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Volume 2 Issue 5

S.No. Title & Authors Page No View
1

Title : Fabrication of PdNPs Doped TiO2 Nanotubes by Electroless Deposition as Hydrogen Sensor

Authors : Haidar Hameed Hamdan, Ghuson Hameed Mohammed

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Titania nanotubes thin films have been prepared by electrochemical anodization of Ti foil at room temperature (~25ºC), in ethylene glycol base electrolyte with 0.5wt.% NH4F and 4wt% deionized water at 30V at time 3hr and then PdNPs-doped TiO2 nanotube arrays  at different deposition ratio were carried out by electroless deposition. These tubes are well aligned and organized into high-density uniform arrays. The average tube diameter, ranging in size from 61 to 74 nm, the length of the tube 2.13 µ, and ranging in size of wall thickness from 21 to 29 nm. A possible growth mechanism is presented. The TiO2 nanotubes were characterized by X-ray diffraction (XRD), scanning electron microscope (FESEM) and energy dispersive X-ray spectroscopy (EDX.( The gas sensing was studied at the operating temperatures ranging from 25-350°C in different concentration hydrogen atmospheres ranging from (15, 30, 45, 60, 75ppm) H2. It was found that the TiO2 doped with Pd sensing film showed higher response of H2, with faster response time (within second) than pure TiO2 sensing film. The response increased and the response time decreased with increasing of H2 concentration.

 

01-07
2

Title : Microbial Characterization and Phylogenetic Analysis of a Chemolithotrophic Bacterial Strain Isolated from Acid Mine Drainage

Authors : Jitesh Kumar Maharana, Gyanasri Sahu, Payal Agrawal, Amiya Kumar Patel

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Excessive coal mining activities disrupt the ecosystem stability and function. The overburden when exposed to air and water, it forms acid mine drainage. Being deficient in soil nutrients and pyrite (FeS2) as major contaminants with heavy metals, it harbors specific groups of microbes especially chemolithotrophs. Realizing the facts, the present study is based on the isolation and identification of the bacterium isolated from acid mine drainage. The isolated bacterium was found to be Gram negative and round shaped cocci under the microscope, the bacterium is obligately and facultatively chemolithotroph and requires an optimal temperature of 37°C for optimal growth and proliferation. The study suggested that the bacterium was observed to be acidophilic in nature. The thermal resistance of the isolated bacterium was found out to be 2hrs 60°C. Besides, its growth pattern revealed that the isolated bacterium has a tendency to shift its metabolism from chemolithotrophy to heterotrophy culture conditions. The isolated bacterium showed sensitivity as well as resistant against different antibiotics. In addition, the culture dependent approach based on PCR amplification the 16S rDNA sequence was used to identify the bacterium isolated from acid mine drainage. Molecular phylogenetic analysis based on 16S rDNA sequence homology using neighbor-joining method suggested that the isolated bacterium belongs to Pseudomonas sp. with close affiliation with other microbial populations that have the ability to thrive in such hostile environment. All sequences used in the study were obtained from the GenBank (http://www.ncbi.nlm.nih. gov).

08-15
3

Title : Investigation of Elemental Radioactive Concentrations and Radon Gas in Soil Samples Collected Around Abou Zabal Fertilizer Phosphate Factory

Authors : S.Fares, W.M.Moslem, A.K.Hassan, A.A.Eltawil, F.Abdelhamied

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Determine levels of some natural radioactivity in soil samples were collected around Abou Zabal fertilizer phosphate factory in Egypt. Activity concentration of the soil sample of 226Ra, 232Th and 40K was determined by using a high resolution γ -ray HPGe spectrometry and CR-39 detector. According to the results this analysis, 238U was found concentration mean (241.06 ± 23.17 Bqkg-1), 226Ra was found in concentrations mean of (283.87 ± 26.53 Bq kg-1), 232Th in mean concentrations of  (16.15 ± 1.45 Bq kg-1) and 40K in mean concentrations of  (146.36 ± 6.9 Bq kg-1) for the analyzed soil, respectively. Radon (222Rn) mean concentration in the samples was estimated using solid state nuclear track detectors (CR – 39). The Radon gas mean doses from inhalation gas were found (337.06.37 µSv/y). The radioactivity levels determined and the γ-absorbed dose rates in soil sample above the ground were calculated. Elemental concentrations were determined for 226Ra (range from 7.8 ppm to 46.26 ppm), 232Th (range from 1.98 ppm to 9.14 ppm), 238U (from 5.63 ppm to 33.28 ppm), and 40K (from 0.07 % to 0.69 %). The measured Th/U ratio exhibits values was mean 0.17  , whereas the U/Ra ratio was mean 0.81 and Th/K ratio values was mean 0.8 there are unequilibrium between 232Th and 40K but there are equilibrium between 238U and 226Ra . Correlation Coefficient between Mass exhalation and Activity concentration of 238U equal (1.0). Correlation Coefficient between Surface exhalation and Activity concentration of 238U equal (0.962777) this was very good correlation. Correlation Coefficient between Activity concentration of 226Ra e and Activity concentration of 238U equal (0.962777) the good correlation. 

16-25
4

Title : Skills Oriented Higher Education and Graduate Employability in Cameroon: The Case of the National Employment Fund

Authors : Teneng Patience Penn

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The 21st century graduate labour market has become very competitive and unpredictable. Graduates therefore need skills that would help the transit smoothly and successfully from the university to the world of work. This paper investigated the case of higher education graduates from a cross-section of Cameroonian universities registered with the National Employment Fund (NEF), as graduate job seekers centre regional branch Yaounde. To carry out the study, a questionnaire was constructed following the Likert scale from 1-5, of strongly agree (SA), agree (A), uncertain (UN), strongly disagree (SDA), and disagree (D). Data was analyzed with SPSS, using the Spearman Rank Correlation. Findings reveal that lack of marketable skills and skills that do not match the demands of the labour market are some of the obstacles of getting employment. The paper proposes a more skill orientated curriculum in higher education as a remedy. 

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5

Title : Case Study: Proposal for Training in Combined Plyometrics and Muscular Strength in Improved Vertical Jump in Beach Volley

Authors : Julio Cesar de Faria Pastore,Carlos Alberto de Azevedo Ferreira, Fabiola Claudia Henrique da Costa, Paulo Vicente Joao

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This study examined the effects of combined training in improving the vertical jump Counter Movement Jump (CMJ) on a beach volleyball athlete. The athlete's age (19 years), weight (62kg) and height (1,78cm) participated in a combined program overseen by six weeks consecutives, which consisted of strength training (weight training) and plyometrics (jumps). Descriptive analysis (mean and standard deviation) and even the t-test with p≤0.05 significance level. After 6 weeks program was significantly change the pretest: height of the jumps (0.29 ± 0.03) and time of flight (0.42 ± 0.00) compared to the post-test (0.43 ± 0.01) (p≤0.05) and (0.57 ± 0.00) (p≤0.05) respectively. It was been possible to acquire 14 cm vertical jump. This study suggests that the combined program of six weeks can positively change the vertical jump height and jump flight time Counter Movement Jump (CMJ) which may contribute to the improvement of athletic performance.

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6

Title : My Kid : An Android Based Child Tracking System

Authors : Ms. Thania Kumar,Athul P Ravi, AThulya Balachandran, K C Reshma, Sruthi Suresh

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Child tracking system is extensively used across the world to insure parents that their wards are safe from dubious actions and their child is happy in school atmosphere without crying. The child module includes ARM7 microcontroller (lpc 2148), Global positioning system (GPS), Global system for mobile communication (GSM), Voice playback and the receiver component includes Android mobile device in parent's hand and the other as monitoring database in control room of the school. The proposed system includes  monitoring of  the child's movement to and from school. The info pertaining to missed child is sent to their respective parents. Not only the information about the child's whereabouts but also whether the child is crying is sent to parents through text message to their Android mobile device.

34-36
7

Title : Effects of Inhalation of Relaxing Essential Oils on Electroencephalogram Activity

Authors : Inseong Lee

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The purpose of this study was to evaluate the effects of lavender (Lavandula officinalis) and bergamot (Citrus bergamia, Risso) essential oil inhalation on electroencephalogram (EEG) recordings. EEGs were recorded in 50 healthy participants. Twenty-five participants were assigned to the experimental group and twenty-five to the control group. Participants in the experimental group inhaled a mixture of 1 drop of lavender oil and 1 drop of bergamot oil were mixed in 20mL of distilled water for 5 min, using a nebulizer. Participants in the control group inhaled 2 drops of lavender oil were mixed in 20mL of distilled water for 5 min, using a nebulizer. EEGs were recorded using a quantitative 8-channel system, and data were analyzed using SPSS Win 18.0, including descriptive statistics and independent t-tests. The absolute theta power EEG spectrum at the right prefrontal lobe region significantly increased after essential oil inhalation in the experimental group compared to the control group. There were also significant differences in the relative fast and slow alpha power spectra after essential oil inhalation in the experimental group compared to the control group. Therefore, both physical and mental states became more stable and relaxed after inhalation of essential oil in the experimental group compared to the control group. A mixture of lavender and bergamot oil was more effective than lavender oil alone for sedation and relaxation, as well as for reducing anxiety and stress. In conclusion, these findings provide a scientific rationale for potential therapeutic interventions aiming to relieve anxiety and stress.

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8

Title : Optical Screening of Glycation Induced Structural Alterations in Serum Proteins of Diabetes Patients Using Spectroscopic Techniques

Authors : Alok Raghava, Sidra Islam,Brijesh Kumar Mishra , Rinkesh Kumar Gupta, Sumit

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Non enzymatic glycation furiously give rise to its final product advanced glycation end products that contribute to various diabetes associated vascular complication in patients. The aim of this present research was to study the application of basic, fluorometric and spectroscopic techniques for determining glycation in serum of patients with diabetes mellitus. Blood samples from 50 type 2 diabetic patients and 20 healthy subjects were obtained to evaluate fasting plasma glucose, HbA1c, lipid profile, fluorescent advanced glycation end products by spectrophotofluorimetry, Ultraviolet spectroscopy, fructosamine content and attenuated total reflection Fourier transform infrared spectroscopy. Healthy subjects have significantly lower levels of serum advanced glycation end products specific fluorescence, and Ultraviolet absorption.  Attenuated total reflection fourier transform infrared spectroscopy shows the alterations in secondary structure of serum proteins in diabetic subjects due to occurrence of glycation. Fasting plasma glucose level, HbA1c and lipid profile are found to be altered in patients with diabetes compared to healthy. Positive correlation was found in fructosamine and HbA1c among diabetes patients. A basic approach of fluorimetric and spectroscopic analysis to quantify AGEs in serum of diabetic subjects could be employed as broadcast tools to forecast diabetic complications, at a primary care stage.      

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9

Title : Assessment of Genotoxicity of Methyl Parathion in Zebrafish by Use of the Micronucleus Test

Authors : Burak Gokce, Onur Musmula, Sema İsisag Ucuncu

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It was aimed to assessment the genotoxic potential of methyl parathion (MP) on zebrafish (Danio rerio), by using micronucleus test. Twenty adult zebrafish were exposed to three different concentrations (1, 1.5, 3 mg/L) of MP for 96 h. In addition to negative controls, cyclophosphamide monohydrate (4mg/L) was used as a reference genotoxic agent for positive controls. Peripheral blood samples were collected from all of the specimens and stained with acridine orange. The immature, polychromatic (PCEs) and mature, monochromatic (MCEs) erythrocytes were identified by their staining intensity and scored. The ratio of PCEs/MCEs were calculated, analyzed and compared.  In parallel with increased concentrations of MP, the micronucleated PCEs were increased in number, while a decline in the ratio of the PCEs/MCEs was recorded. The results revealed that MP has a short-time genotoxic effects on zebrafish

49-51
10

Title : Improvement of Cooling Efficiency of Plasma Spray Gun Nozzle

Authors : Raghunandan M S

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The nozzle of a plasma spray gun is one of the important parts that have to be considered for the better improvement of life of the plasma spray gun. This study simulated the nozzle using CFD (Computational Fluid Dynamics) by considering parameters like velocity and fluid flow direction. A numerical model is developed using SIMPLE (Semi Implicit Method for Pressure Linked Equations) for fluid flow and heat transfer conditions. Due to the formation of local turbulence, a static-water region is formed which decreases the efficiency of the cooling system. The nozzle is heated up with a temperature of 8000 K at the heat source point. Due to the characteristic of the nozzle, the heat source is assumed to fall at a point and is supplied with a temperature of 8000 K. The nozzle is also susceptible to burn out due to over-heating. The seal gasket at the rear of the nozzle is also susceptible to burn out due to the heat exchange between water and the inner wall of the nozzle. This can be overcome by changing the direction of water flow and also changing the water flow velocity through the coolant channel.

52-55
11

Title : Joseph-Antoine Bouvard in Sao Paulo, 1911: Antecedent Events and Repercussions

Authors : Roseli D Elboux

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This research aims at highlighting the real purposes behind Bouvard visit to São Paulo, Brazil, in 1911. By studying Bouvard’s academic formation, his professional life and his practical experience translated by how he committed to his clients, we intend to elaborate a profile of this man. Once Bouvard’s profile is established we can go on to elucidate his ‘modus operandi’ at São Paulo and the way execution of Bouvard’s plan was guaranteed, he ensured the execution of his plan in spite of the fact that architect returned to France. We shall be trying to find out if there is a correspondence between theory and practice and also how deeply the Haussmannian model weighed on the conception of his ideas and plans. The main hypothesis is based upon the premise that Bouvard had a previous knowledge about the city of São Paulo due to his local contacts, which made it possible for Victor da Silva Freire to make use of the French architect’s experience and prestige by inviting Bouvard in order to have his support for the approval of Freire’s ideas. The chronological period of the research corresponds to Bouvard’s professional life. In geographic terms, it focuses the city of São Paulo, but mainly the 1911 Bouvard Plan boundaries.

56-60
12

Title : Investigation on Hybrid Concrete Using Steel and Polypropylene Fiber

Authors : Geethu Asok, Dr. Sunilaa George

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The effect of addition of hybrid fibers on the mechanical properties of concrete mixture is studied in the investigation. Steel fibers of 1% and polypropylene fibers 0.035% were added together to from hybrid concrete. Mechanical properties such as compressive strength split tensile test and flexural strength. Hybridization refers to combination of different types of fibers. The purpose of combining the fibers is to improve the multiple properties of concrete mixture. The behavioral efficiency of this composite material is far superior to that of plain and mono fiber reinforced concrete. The addition of fiber is helpful to improve the fracture properties of concrete. The hybrid fibers are comprehensively being used in rigid pavements, airfield pavements, flexible pavements, earthquake-resistant and explosive-resistant structures, mine and tunnel linings, bridge deck overlays, hydraulic structures, rock-slope stabilization, etc.

 

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13

Title : Comparative Study on Strength Enhancement of Concrete Using Magnetic and Normal Water

Authors : Parthiban P M.E., Prof.M.Rajalingam M.E., M.I.E., Dr.Sunilaa George

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The most important challenge for concrete technologists is to improve the properties of concrete. In the last two decades, a new technology, called magnetic water technology, has been used in the concrete industry. In this technology, by passing water through a magnetic field, some of its physical properties tends to change and, as a result of such changes, the number of molecules in the water cluster, which causes a decrease in the surface tension of water, with an improvement in the workability and strength of concrete.

              Magnetic treatment of water increases the ion solubility and pH. This technique is mostly used for the softening of water and, for the first time in this research, it has been adopted by the scientists for the production of concrete with improved strength. Some researchers hypothesize that magnetic treatment affects the nature of hydrogen bonds between water molecules which increases the pH and softens the water.

Popular From the refered literature, it has been observed that the concrete made with magnetic water has higher slump values. Also in some cases, the compressive strength of the magnetic concrete samples was higher than that of the control concrete samples (up to 39%)[. The cement content can be reduced by 28% in the case of magnetic concrete. Similarly the test conducted on recirculated magnetic water shows change in pH value from 7.8 to 8.7 with increase in recirculation time. The hardness also reduced from 310 to 190 mg/lit due to recirculation of magnetic water. This study is aimed to compare the strength of concrete in Magnetic and Normal water concrete by performing tests like compressive strength, split tensile strength and flexural strength at the age of 7 and 28 days.

 

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14

Title : Early Epithelial Ovarian Carcinoma Treatment

Authors : Giorgio Maria Paul Graziano, Giovanni Castelli, Prof Antonino Graziano

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The 80-90% of ovarian cancer occurs in women aged between 20 and 65 years, and less than 5% in children. In the great majority of cases (80%) it comes to benign tumors: 60% of them is diagnosed in women aged less than 40 years. numerous published studies regarding the treatment of initial states of ovarian cancer show that surgical treatment and chemotherapy have a close correlation in improved survival. . The purpose of this study is through an analytical review of reported cases to identify and remove the factors that influence the choice of surgical treatment so as to increase the survival and / or disease-free interval. Materials and Methods: From copies of medical records of patients have been incorporated all the necessary information for research, the following parameters: the FIGO staging The type of surgical treatment chemotherapy, the recovery of the disease, survival, with a cross-check with the 'pathological anatomy. In addition, the follow-up examinations blood chemistry markers tumor imaging studies (MRI tc) eco abdomen. Results: The complete treatment has affected n 118 cases (48%) in the treatment Fertile women only in cases of n 20/17%) in the remaining 44 cases (35%) The surgical treatment was incomplete. The grading in 75% of cases the tumor was poorly differentiated in the remaining 25% had serous type.
Discussion In epithelial cancer signs and symptoms tend to delay their appearance or be absent. only during an occasional clinical monitoring is diagnosed that is when the swelling is palpable and has reached significant size with non-specific manifestations and the presence of ascites Surgical removal in fertile women with a family history of ovarian disease is the series that the response only in patients bearers gene mutation (BCRA1-2). Conclusions The diagnosis of early ovarian cancer is difficult to be implemented, but with a good chance of successful treatment. .The Results of a standardized management and accurate contributes in increasing the percentage of early diagnosis with an increase in disease-free interval and survival. The new concepts of ovarian carcinogenesis, while it makes it even more complex screening problems of this cancer, may change the preventive approach in women at risk hereditary-familiar.

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15

Title : Study of Future Wireless Technology: Li-Fi

Authors : Priyanka Gupta, Pralabh Gupta, Chirag Garg

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Since the day earth exists, human is going develop day by day. New technologies are generated as human beings are developing. Now, internet is a compulsory part of our life. We are using Wi-Fi for internet access. But it has some limitations, so there is a new wireless technology i.e. Li-Fi (Light Fidelity), which overcomes some of the shortcomings of Wi-Fi. This paper consists a study of Li-Fi basics like advantages, limitations, applications and future scope.

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16

Title : Rabbit Antithymocyte Globulin Versus Alemtuzumab in Allogeneic Stem Cell Transplantation:A Meta-Analysis

Authors : Hongju Yan , Lei Gao, Xi Zhang

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Rabbit antithymocyte globulin (ATG) and alemtuzumab have been used for graft-versus-host disease(GVHD) prophylaxis in allogeneic haematopoietic stem cell transplantation(allo-HSCT), but which is more efficient remain unclear.we perform a meta-analysis of all studies comparing rabbit ATG and alemtuzumab for GVHD prophylaxis in allogeneic haematopoietic stem cell transplantation(HSCT) to evaluate their benefits and drawbacks. There are 7 studies (one prospective and six retrospective)for comparing   rabbit ATG vs alemtuzumab in GVHD prophylaxis with 622 patients. Our results showed that the incidence of grade II-IV acute GVHD (aGVHD) (RR 1.51, 95% CI 0.97–2.34, P = 0.07), incidence of grade III-IV acute GVHD (RR 1.48, 95% CI 0.63–3.47, P = 0.37) had a statistically non-significant reduction in alemtuzumab group, however, alemtuzumab significantly impaired OS (HR 0.61 (95% CI 0.41–0.90, P = 0.01) compared with ATG. The incidence of overall chronic GVHD(RR 0.97, 95% CI 0.67–1.40, P = 0.87) and the incidence of relapse(RR 1.03, 95% CI 0.72–1.47, P = 0.88) were similar in the two groups. We propose that using alemtuzumab for GVHD prophylaxis is effective for allogeneic stem cell transplantation due to the efficacy in grade III/IV acute GVHD, but OS is impaired compared with ATG group. 

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17

Title : Comparison Between two Markers in the Identification of Free Plasma DNA Fractions in Pacients with Breast Cancer

Authors : Oliveira-Sediyama C. M. N., Abranches M. V., Sousa Moraes L. F., Freitas R. N., Ribeiro A.Q., Paula S. O., Peluzio M. C. G.

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Cancer is one of the most cause of death in the world, with increased incidence each year. About 1.7 million women died In 2012, 1.7 million women died in the world with breast cancer. This study aimed to quantify the FDNAF by two markers, the gene expression of glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and ß-actin, and evaluate which is the best to detect women with breast cancer.50 women were recruited to dose the FDNAF, 30 with breast cancer and 20 healthy controls. DNA was extracted from plasma, and Real time PCR reaction using the GAPDH and β-actin were performed. The GAPDH was the most adequate marker to identify the patients with breast cancer, because they presented higher levels of fragments of free DNA, when compared to healthy controls.

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18

Title : Study on Concrete with Replacement of Fine Aggregates by Vermiculite

Authors : M.R.Divya, Prof.M.Rajalingam, Dr.Sunilaa George

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Concrete is the single most widely used construction material in the world. Concrete is used in such large amounts because it is simply, a remarkably good building material. Aggregates generally occupy 60 to 80 percent of the volume of concrete and greatly influence its properties, mix proportions and economy. Use of vermiculite in concrete, enhances the shrinkage and crack resistance, fire resistance and reduces environmental impact and also reduces the cost. Important characteristics of a good quality aggregate include resistance to abrasion, resistance to freeze/thaw action, resistance to sulfates, correct shape and surface texture, proper gradation, density, and compressive and flexural strength. The main purpose of the research is to study the strength parameters such as compressive strength, split tensile & flexural strength of concrete using vermiculite as partial replacement with 40%, 50% and 60% by weight. The main aim of this study is to make economical and eco-friendly concrete.

 

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19

Title : An Implementation of Direct Torque and Flux Control for Low Power Permanent Magnet Synchronous Motor Drives

Authors : Sanda Victorinne Paturca, Ioana Raluca Adochiei

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This paper presents an implementation of Direct Torque and Flux Control (DTC) scheme for Permanent Magnet Synchronous Motor (PMSM) drive, focusing on the development of the digital control. The control was designed so that to allow accurate sampling related to control update time, considering in addition a measurement scheme common to the low power drives. Simulation and experimental results are presented to sustain the solution proposed for digital control implementation.

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20

Title : Moving Vehicle Detection and Tracking Using Modified Mean Shift Method and Kalman Filter and Research

Authors : Nikita Rawat, Rohit Raja

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The goal of object tracking is segmenting a region of interest from a video scene and keeping track of its motion, positioning and occlusion. The object detection and object classification are preceding steps for tracking an object in sequence of images. Mean shift algorithm is recently widely used in tracking clustering, etc. First phase of the system is to detect the moving objects in the video. Second phase of the system will track the detected object. In this paper, detection of the moving object has been done using simple background subtraction and tracking of single moving object has been done using modified mean shift method and Kalman filter. Further result of both algorithm is compared on basis on time and accuracy.

 

96-100
21

Title : Digital Image Fusion using Adaptive Neuro-Fuzzy Inference System

Authors : Shraddha Shukla , Rohit Raja

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Image fusion is a process that combines information from multiple images of the same scene and resultant image retains the most desirable information and characteristics of input images. Image fusion can extend the range of operation, reduced uncertainty and increased reliability. In the medical imaging field,  different images of the same part of the same patient with different imaging devices, and the information provided by a variety of imaging modes is often complementary each others . The fused image provides additional information that can be utilized for more precise localization of abnormalities. This paper presents study on digital image fusion , proposed model for fusion of images using ANFIS , implement and evaluate performance.  This proposed model is for medical images (CT and MRI) as well as color  images.

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22

Title : Experimental Approach of Minimum Miscibility Pressure for CO2 Miscible Flooding: Application to Egyptian Oil Fields

Authors : E.M. Mansour, A.M. Al- Sabagh, S.M. Desouky, F.M. Zawawy, M.R. Ramzi

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At the present time, carbon dioxide (CO2) miscible flooding has become an important method in Enhanced Oil Recovery (EOR) for recovering residual oil, and in addition it may help in protection of the environment as carbon dioxide (CO2) is widely viewed as an important agent in global warming. This paper presents a study of the effect of carbon dioxide (CO2) injection on miscible flooding performance for Egyptian oil fields and focuses on designing and constructing a new miscibility lab with low cost by setup a favorable system for carbon dioxide (CO2) injection to predict the minimum miscibility pressure (MMP) which was required for carbon dioxide (CO2) flooding projects where every reservoir oil sample has its own unique minimum miscibility pressure (MMP). Experimental data from different crude oil reservoirs carried out by slim tube test that is the most common and standard technique of determining minimum miscibility pressure (MMP) in the industry, but this method is expensive, there for we designed this kind of a favorable system (slim tube test) for carbon dioxide (CO2) injection. The Possibility of carbon dioxide (CO2) miscible flooding application to 45.5 % of Egyptian oil fields would be very beneficial for Egypt’s reservoirs and subsequently the national economy.

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Title : Antioxidant and Antimicrobial Activities of Extracts from Some Selected Mediterranean Plant Species

Authors : Merve Deniz Kose, Oguz Bayraktar, Ali Bora Balta

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In this study, in vitro antioxidant and antimicrobial activities of the plant extracts of four different plant species were evaluated. These plants are; Olea europaea (Olive leaf), Liquidambar orientalis (Turkish sweetgum), Ziziphus jujuba (Lotus) and Juniperus communis (Juniper) which are common in Mediterranean region and used in various application, especially for therapeutic purposes. The most efficient extraction yield was obtained for Liquidambar orientalis as 24.7 %, and followed with Ziziphus jujuba and Olea europaea. The extracts of Liquidambar orientalis exhibited the highest phenol content as 0.372 mgGAEq/g sample. Antioxidant activities of the extracts ranged between 8.009 and 0.527 TEAC (mmol/g sample). Extracts of Liquidambar orientalis had the highest antioxidant capacity with 8.009 TEAC (mmol/g sample). The antimicrobial activities of plant extracts were evaluated by using both disc diffusion and minimum inhibition concentration assays. Disc diffusion results were obtained for each plant extracts. The diameter of inhibition zones ranged between 20.5 and 7.8 mm. The extracts of Liquidambar orientalis had the highest inhibition activity with 20.5 and 19.2 mm inhibition zones against Pseudomonas aeruginosa and Escherichia coli respectively. The extract of Olea europaea had second highest antimicrobial activity against E.coli with a inhibition zone diameter of 13.6 mm. Both extracts of Ziziphus jujuba and Juniperus communis showed approximately the same inhibition activity. The minimum inhibition concentration (MIC) values of plant extracts ranged between 0.4 and 100 mg/ml. Liquidambar orientalis extract had the lowest MIC values against Staphylococcus aureus and Staphylococcus epidermidis, Bacillus subtilis. The extract of Juniperus communis had second highest antimicrobial activity against S.epidermidis, S.aureus and B.subtilis with minimum inhibition concentration value of 3.125 mg/ml.

 

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Title : Effect of Dry Gases Injection into Egyptian Gas/Condensate Reservoirs on Condensate Recovery

Authors : M. El Aily , S. M. Desouky , M. H. Khalil , A. M. Badawi , O. H. Abdelraheem

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Depletion of gas/condensate reservoirs initiates a decline in reservoir pressure below the dew point pressure of the retrograde gas. This leaves valuable amount of condensate in the reservoirs which is not only lost but results in a condensate blockage near the wellbore region and decrease in the productivity. Thus, it is of very essential and economical purposes to find applicable ways to increase the recovery of this lost condensate from the reservoirs. In this study, dry gases are injected into reservoir at initial conditions to delay the dew point pressure that in return enhanced the condensate recovery. This is relying on the fact that the production from gas condensate reservoirs is accompanied by declining in the reservoir pressure. The injection schemes that have been considered are: different injection rates and different reservoir conditions. The study investigated the effect of dry gases injection on 63 samples covers wide ranges of the main parameters of Egyptian gas/condensate reservoirs. Phase behavior, dew point pressure and maximum recovery are studied after and before injection. The study revealed that the dry gas injection into gas/condensate reservoirs minimized the dew point pressure by 18.4% to 23.55% and enhanced condensate recovery by 29.2% to 34.6%.

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Title : Applying Dijkstras Algorithm in Routing Process

Authors : Nitin Gupta, Kapil Mangla,Anand Kumar Jha ,Md. Umar

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Network is defined as a combination of two or more nodes which are connected with each other. It allows nodes to exchange data from each other along the data connections. Routing is a process of finding the path between source and destination upon request of data transmission. There are various routing algorithms which helps in determining the path and distance over the network traffic. For routing of nodes, we can use many routing protocols. Dijkstra’s algorithm is one of the best shortest path search algorithms. Our focus and aim is to find the shortest path from source node to destination node. For finding the minimum path this algorithm uses the connection matrix and weight matrix Thus, a matrix consisting of paths from source node to each node is formed. We then choose a column of destination from path matrix formed and we get the shortest path. In a similar way, we choose a column from a mindis matrix for finding the minimum distance from source node to destination node. It has been applied in computer networking for routing of systems and in google maps to find the shortest possible path from one location to another location. 

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Title : A Study of Reconfigurable Multiband Antenna for Wireless Application

Authors : Haydar M. Al-Tamimi, Salah Mahdi

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In This study an introduction to the reconfigurable antenna technology is presented. After that a discussion about the main advantages and disadvantages of the reconfigurable antennain addition to the most important applications that can be used with the reconfiguring techniques, studyingthe history of this technology with a brief literature survey is explained. A detailed description for this technique with examples and background information are specified, reviewing the different reconfigurable antenna components,which can be used in an antenna to adjust its construction and functionality. These reconfigurable antenna techniques are grouped with a different classification methods to explain whichever established on the physical modification of the reconfigurable antenna radiating component, or on the integration of micro-electro-mechanical structures (RF-MEMS), varactors, PIN diodes, photoconductive components, or on the function of smart materials like ferrites and liquid crystals, etc.

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Title : Renal Ureteroscopy Treatment of Kidney and Bladder Stones

Authors : Giorgio Maria Paul Graziano, Federica Castelli, Prof Antonino Graziano

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The high incidence of urinary stones ranges from 20-40 years with a M / F ratio of 3: 1 The advent of extracorporeal shock wave lithotripsy associated with improved optical endoscopic have significantly reduced morbidity representing the gold standard for the treatment of urinary stones purpose of the study is to detect, by implementing an analysis of the physical and clinical parameters, the technique and complications of the procedure, the factors that can predict what the potential cases of high morbidity. Materials and methods From January 2000 to December 2014 were performed at the Surgical Clinic III of the University of Catania Policlnico 134 ureterorenoscopy procedures (URS) .the review covered the medical records considering the age, BMI, medical history, treatments and the stone free rate of URS the indication for therapeutic purposes has been carried out in the ureter and kidney stones of size handling <15mm, placement of ureteral catheter, ureteral stenosis, treatment of high urinary tract neoplasms. (Figure 9) .the procedure took an anesthesia care to spontaneous breathing, with cardiac monitoring.
Discussion The development of complications in an investigation conducted is slightly higher than the detected case studies, (14%) in the absence of ureteral injury. the survey carried out has a therapeutic success in the first two years stood at 70% reaching the 90% at the end of the period observed, then the use of both general and spinal anesthesia promotes muscle paralysis avoiding potential injuries. With fast deployment anesthetics. Conclusion :The URS is a safe and reliable reality in the treatment of ureteral pathology. the analysis of clinical cases allows to state as the stretch pelvic ureter is easier to deal with both flexible semirigid uretroscopi that becomes essential when a complication arises stop take the appropriate therapeutic options in order to avoid the transformation into major complications.

 

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Title : Performance of A Gas Turbine With Impact Cycle Temperatures Through Exergy Analysis

Authors : Wadhah Hussein Abdul Razzaq Al-Taha

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To inspect the debasement of energy amid a practice, the generation of entropy and the loss of work opportunities, exergy is investigated. This examination gives an option plan to guarantee predominant execution of a force plant. This study performed an exergetic investigation for a Baiji plant with a gas-turbine of limit 159-MW. Every part of the system was tried as per the laws of mass and energy conversion. The aspects under thought were the quantitative exergy parity for the whole system and for every part, separately. At various temperatures, rate of irreversibility of system segments, productivity of exergy and the effectiveness imperfections were highlighted for every part and for the entire plant. The exergy stream of a material is ordered into the groupings of warm, mechanical and substance exergy in this study and a surge of entropy-creation. Fuel oil of low heating value estimation of 42.9 MJ/kg was utilized as the fuel. The assessment tended to the topic of how the vacillations in cycle temperatures impact the exergetic productivity and exergy annihilation in the plant. The rate of exergy devastation in the turbine was around 5.4% while that in the burning load was around 36.4%. At the point when a 14°C ascent was done in the temperature, exergy productivity for the ignition chamber and the turbine was computed to be 45.43% and 68.4%, separately. As per the consequences of the study, the ignition chamber and turbine are observed to be boss method for irreversibilities in the plant. Additionally, it was recognized that the exergetic productivity and the exergy pulverization are extensively subject to the adjustments in the turbine delta temperature. On the premise of these outcomes, suggestions are introduced for progression of the plant.

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Title : Groundwater Dynamics and Recharge Assessment in an Unconfined Aeolian Sand Aquifer

Authors : Becher Quinodoz F., Blarasin M., Cabrera A., Eric C., Felizzia, J.

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In the sandy plain of the South of Córdoba province, Argentina) the unconfined aquifer is used mainly for agricultural activities. The objective of this work is to show the estimation of the recharge (R) rate in the unconfined aquifer, using the water table fluctuation method (WTF). Furthermore, considerations in relation to monthly recharge and discharge (D) rhythms were performed. The studied unconfined aquifer consists mainly of sandy aeolian sediments with values of hydraulic conductivity in the order of 1.5 m/d. The water table is slightly undulating and hydraulic gradients and flow velocities are low, controlled by lithology and the regional plain topography. The relationship between groundwater and surface water bodies is variable, but in general, the aquifer provides water to the river and to the lagoons. The parabolic dunes of this sandy plain environment show a typical behavior of preferential recharge areas. That is, an important and quick answer of water table to the arrival of precipitations and then the discharge to the base level, the neighboring lagoon in the parabolic dune. Using monthly estimation, an annual average recharge value of 12% of total precipitation was obtained. When the relationship between P and R was analyzed, the 91 % of recharge episodes were clearly dependent on the rainfall behavior. Winter shows very low recharge but a great effectiveness because the recharge arrives to the aquifer from delayed wetting fronts, although almost there were not rainfalls. Nevertheless, the major amount of recharge has occurred in the end of spring, summer, and early autumn. The ratio R/D for the whole series was positive which means that the aquifer recharge predominated, a fact that is coherent with the higher position of the water table at the end of the studied series. These results assure the existence of annual water replacement to the aquifer, a very important feature for a region that depends on groundwater resources.

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Title : Diabetes Related Distress in Transitional Age Evaluated By Problem Areas In Diabetes In Type 1 Diabetic Patients from Marrakech

Authors : Nawal El Ansari, Laila Ennazk, Ghizlane El Mghari

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Type 1 diabetes (T1D) represents 5.3% of all types on diabetes. Its incidence is increasing around the world as it is in the Middle East and North Africa Region, where the incidence is at 1/100 000. T1D touches young subjects and is then established in a growing body. Transitional period is a crucial phase with physical and emotional distress. Psychosocial difficulties are an additional challenge for these young patients.

Aim of the study: Evaluate diabetes distress in transitional age using ‘problem area in diabetes (PAID) in its Arabic transcultural adaptation.

Materials and methods: Problem area in diabetes questionnaire was self-administered in 50 type 1 diabetics that were followed up in the department of endocrinology in University medical hospital of Marrakech.

Results: Over the population evaluated; 54% were female. The median of age was 17, 54 years. 32% were younger than 15 years old and 68% were older. 84% were living in urban area. 78% of them were students. 48, 6% had duration of diabetes <5 years and 56% had an A1c above 9%. 18% of patients had a PAID score above 40, which indicates a diabetic distress. 8% had a PAID score less than 10. And it was between 10 and 40 in 74% of the patients.

Conclusion: A high prevalence of diabetes distress had been observed in our population of patients. Non-access to care, limited resources, and social problems explain this result. This kind of studies allows a better understanding and support of those patients and should lead toward an improvement of transitional care in diabetes.

 

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Title : Virtual Reality

Authors : Naveen H. Giri, Ankit Pandey

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This analysis paper provides a brief survey of the sector of computer game, application domains, technological demand and presently accessible resolution. It additionally presents the background and motivation of virtual surroundings analysis and identifies typical application domains. It additionally surveys current input/output devices of computer game.

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