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Volume 2 Issue 11

S.No. Title & Authors Page No View
1

Title : Development of Fuel Cell by Using the Bucky Paper as an Electrode Material

Authors : Hind I. Murad, Abdulla M. Suhail, Asama N. Naje.

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The development of fuel cell electrodes technique was demonstrated. The replacement of the carbon fiber paper (CFP) by a Bucky Paper (BP) give an advantage in the fuel cell technique. The two major advantages in the replacement of carbon fiber paper (CFP) by the Bucky Paper (BP) are; the carbon fiber paper was brittle whereas the BP is flexible. The other major advantage point is that the Platinum (Pt) film can be deposited direct on the Bucky Paper through the deposition of Copper without needing to the deposition of the Gold (Au) on the substrate. The result out of this work shows that the x-ray photoelectron spectroscopy (XPS) spectrum of 1, 3, and 5 monolayer of Pt deposited on Bucky paper with no need to the Au as a substrate. The two peaks of Pt at 122ev and 160ev are clear, and shows that the Pt is stable at 3 and 5 monolayer. The Cyclic Voltammetry (CV) test shows that at 5 monolayer the Pt surface is completed through the reduction noticed at 0.15V which is due to hydrogen adsorption/desorption.  

01-05
2

Title : Forward Error Control System Performance of Maximum Free Distance Convolutional Codes with Different Modulation Schemes

Authors : MSC. Amjad Ali Jassim, Dr. Wael A.H. HADI

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Forward Error Control (FEC) based on Convolution Encoders with Viterbi decoding is a good methodology to decrease the effect of Additive Gaussian Noise residing inside digital data transmissions channel. In this paper a Convolutional encoders with maximum free distance and different constraint lengths have been tested with AWGN channel effect using MATLAB. The performance and analysis has done by changing rates of Convolutional encoders and different constraint lengths and take in consider QPSK, 16-QAM and 64-QAM as modulation schemes. 

06-12
3

Title : Modeling of the Pandemicrisk in Lebanon

Authors : ZaherKhraibani

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The main objective of this article is to study the impact of the influenza pandemic on the Lebanese population, which provides anew methodology and a technique of constructing a model for influenza pandemic.Another objective is to study also the impact of influenza pandemic on the portfolio of the company insurance by determining the mortality experience from such event in order to evaluate the pandemic losses of the portfolio. The results presented in this report are based on both quantitative and qualitative analysis to the extent permitted by the available data. Moreover, the results performed in the analysis were affected by major levels of uncertainty. This is obvious due to its relation to the future mortality and various incidence experiences taking place, as well as the future composition of the portfolio by using a different statistical method.

Flu pandemics have occurred throughout history. There have been four different types since 1918, each with different characteristics [1].  In 1918-1919 illness of the Spanish Flu came on quickly.

13-21
4

Title : Hidden and Unknown Object Detection in Video

Authors : R. A. Simonyan

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Object detection is applied to find such actual objects as faces, bicycles and buildings in images and videos. The algorithms executed in object detection normally use extracted features and learning algorithms to distinguish object category. It is often implemented in such processes as image retrieval, security, surveillance and automated vehicle parking system.Objects can be detected through a range of models, including Feature-based object detection, Viola-Jones object detection, SVM classification with histograms of oriented gradients (HOG) features, Image segmentation and blob analysis.For detection of hidden objects in the video the Object-class detection method is used, in which case the object or objects are defined in the video in advance [1][2].The proposed method is based on bitwise XOR comparison [3]. The method (system) detects moving as well as static hidden objects.The developed method detects objects with great accuracy; it detects also those hidden objects which have great color resemblance to the background images, which are undetectable for a human eye. There is no need to define or describe the searched object before the detection. Thus, the algorithm does not limit the search of the object depending on its type. The algorithm is developed to detect objects of any type and size. It is calculated so to work in case of weather change as well as at any time during a day irrespective of the brightness of the sun (which leads to the increase or the decrease of the intensity of the brightness of an image); in this way the method works dynamically. A system has been developed to execute the method. Object detection is applied to find such actual objects as faces, bicycles and buildings in images and videos. The algorithms executed in object detection normally use extracted features and learning algorithms to distinguish object category. It is often implemented in such processes as image retrieval, security, surveillance and automated vehicle parking system.Objects can be detected through a range of models, including Feature-based object detection, Viola-Jones object detection, SVM classification with histograms of oriented gradients (HOG) features, Image segmentation and blob analysis.For detection of hidden objects in the video the Object-class detection method is used, in which case the object or objects are defined in the video in advance [1][2].The proposed method is based on bitwise XOR comparison [3]. The method (system) detects moving as well as static hidden objects.The developed method detects objects with great accuracy; it detects also those hidden objects which have great color resemblance to the background images, which are undetectable for a human eye. There is no need to define or describe the searched object before the detection. Thus, the algorithm does not limit the search of the object depending on its type. The algorithm is developed to detect objects of any type and size. It is calculated so to work in case of weather change as well as at any time during a day irrespective of the brightness of the sun (which leads to the increase or the decrease of the intensity of the brightness of an image); in this way the method works dynamically. A system has been developed to execute the method. 

22-25
5

Title : Simplified Mechanisms for Fruit Zone Leaf Removal and Impact Assessment of the Applied Technique in Grapevine Under Tropical Climate

Authors : Antonio Odair Santos, Claudio Alves Moreira

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The importance of leaf area index on the vine fruiting zone is the influence it can have on the quality of grapes and therefore wine, due to modification on chemical properties, especially on the concentration of flavonoids. In the tropics, where the grape cultivation, not rarely, is done with the presence of high humidity from flowering to harvesting, the fruiting zone defoliation is particularly important when dealing with the incidence of plant diseases. To address this question an experiment was carried out in Jundiaí (São Paulo state, Brazil), to study the implementation of simplified mechanisms for semi-automation of defoliation of Vitis spp, and check the practical influence of the implemented defoliation on the vineyard. The results showed it is possible to manufacture a low impact leaf remover prototype with a pneumatically- generated drag force guided to inside of rotary cylinders, arranged to promote a leaf pulling without bunch damage. The effect of defoliation on the vine was more related to grape quality than yield composition.

26-31
6

Title : Effect of Alloying with Copper on the Microstructure and Mechanical Properties of Al-30wt% Zn Alloy

Authors : A. F. Abd El-Rehim, M. M. El-Sayed, H. A. El-Sayed, M. Abd El-Hafez

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This paper describes the microstructure and mechanical properties of a series of Al-Zn-Cu alloys ranging from 0 to 2 wt% Cu. Optical microscopy (OM) and X-ray diffraction patterns (XRD) were used for microstructural characterization, and creep tests for a preliminary assessment of mechanical properties. The results showed that the steady state creep rate, έst, of the ternary alloys decreased with increasing copper content up to 1 wt%, but above this level, it increased as the copper content increased. Furthermore, the results of the steady state creep indicated two deformation temperature regions (below and above 548 K). The energies activating the steady state creep were found to have the value of 39.2 kJ/mol in the low range of temperature (508-538 K) and 87.6 kJ/mol in the high range of temperature (558-557 K). The values of the activation energies in the first range of temperatures suggest the grain boundary sliding mechanisms while in the second range one it can be attributed to dislocation climb mechanism.

32-38
7

Title : Effect of Social Media on Society

Authors : Dr. Adil Jamil Zaru

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Facebook, Whatsapp, Youtube and Twitter are amongst the most popular destinations Social networking sites on the web. No doubt in some cases this has contributed to Internet Addiction Disorder and fraudulent activities on the internet, but have they on the whole had a positive effect in our lives? Some believe that the benefits provided by social network sites such as Facebook and whatsapp have made us better off as a society and as individuals, and that, as they continue to be adopted by more diverse populations, we will see an increase in their utility. Social networking sites, such as Facebook, Twitter and Whatsapp are examples of communication tools available online. With proliferation of social networking online comes impact on society; a difference in what people do and how they do it. Changes in society are simultaneously useful and negative and this is the case with the impact of online social networking. This paper aims to look at the positive effect that interaction through social networking sites has on today’s society in relation to the modern media concept of greater interaction.

39-44
8

Title : Proposal and Fabrication of Negative-Type Refractive Index Distribution Polymer Optical Fiber

Authors : Kenji Tsukada, Yumi Nakagawa, Kouichi Asakura, Eisuke Nihei

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In this paper, we propose a new type of graded index polymer optical fiber (GI-POF). Most of reported fibers have a convex-type refractive index distribution, where the refractive index is highest at the central axis and gradually decreases as it approaches the cladding region. The fiber presented in this research has a special refractive index distribution that is rarely found in any of the reported polymer optical fibers. We call its distribution “negative refractive index distribution” where the refractive index is lowest around the central axis and highest at the core-cladding boundary.

In this study, we first determined the transmission bandwidth property of the proposed fiber by ray trace simulation. It became clear that with an optimal refractive index distribution, these fibers could have the same transmission bandwidth as conventional refractive index distribution (convex) type fibers.

Furthermore, we were able to show that the proposed fibers could realize easier connecting/branching than conventional fibers because its light intensity becomes highest near the core-cladding boundary. This is verified by simulation of optical branching. These fibers have potential for practical applications such as in high-sensitivity sensors. In addition, when negative refractive index distribution type polymer optical fiber is uniformly excited at incident surface, it is likely that bending loss will not occur because more of the lower-order modes are excited than the higher-order modes.

In this study, we succeeded in actual fabrication of negative refractive index distribution type polymer optical fibers. This fiber is fabricated by two independent means, namely, multi-step interfacial gel polymerization technique and UV-assisted frontal polymerization technique. We measured its refractive index distribution and how much its transmission pulse widened. When pulsed light with full width at half maximum of 140 ps was transmitted for 4.7 m, the pulse widened to 142 ps. This verifies that its band property is sufficient for practical use in short-distance transmission.

45-50
9

Title : Give and Take

Authors : Mukesh Chopra

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This research paper is an extension of the research paper ‘Goddess Life’ and it reveals about the superior most Goddess Vaishno Devi through a deeper research into her life. It covers topics such as Koka and Vikoka, current Kings and Queens, Mahabharata Characters – where are they now, God’s rules and people’s reactions.

51-53
10

Title : Provenance, Petrofacies, Tectonic Setting and Diagenesis of Sawa Sandstones, Lower Vindhyan, in and around Rithola Village, Chittaurgarh, Southeastern Rajasthan, India

Authors : Jyoti Mathur, Abdullah Khan, Meradul Islam

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Sawa Sandstone Formation (~60m)    representing clastic assemblage of Lower Vindhyan Supergroup of southeastern Rajasthan overlies Bhagwanpura Limestone Formation with sharp, non-depositional contact and crops out as narrow linear ridges of sandstone trending north-south along regional strike with regional dip towards east. The Sawa Sandstones in and around Rithola village, southwest of Chittaurgarh were studied in order to understand provenance, tectonic setting and diagenetic history. The sandstones consist of various types of quartz, feldspar, rock fragments and micas which are medium to coarse grained and subangular, subrounded to rounded, predominantly moderately well sorted to moderately sorted, derived mainly from Banded Gneissic Complex and preceding Vindhyan Succession located to the west of study area. Petrofacies study reveals that the Sawa sediments were derived mainly from craton interior and continental block orogen provenance. The chemically precipitated cements include silica, iron oxide, calcite in order of abundance.

 

54-59
11

Title : A Holistic Approach to Learning : Remedial Intervention for Students With Learning Disabilities (Dyslexia)

Authors : K. Jayasree

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This paper makes clear the functions of a remedial tutor distinguishing how remedial tutoring differs from ordinary teaching. It makes clear the different targets that must be achieved to make a program of remedial tutoring effective.

60-61
12

Title : Automatic Extraction of Topics from Documents: Five Probabilistic Topic Model Tests

Authors : Sandra Jhean-Larose, Nicolas Leveau, Guy Denhiere , Ba-Linh Nguyen

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In this paper, we test the capability of the Topic model to extract topics from documents (Griffiths &Steyvers, 2003, 2004; Griffiths, Steyvers&Tenenbaum, 2007). After presenting the mathematical aspects of the model and demonstrating its behavior on a small corpus, we attempt to falsify the model by manipulating (i) the size and similarities between the sub-corpora, (ii) the relative weight of sub-corpora,and (iii) the permeability to the scope and nature of contexts added to a fixed corpus. The model successfully passed our five tests, demonstrating that first, extracted topics were relevant and congruent to the content of the corpus, and second, that their probability appropriately reflected the relative weight of sub-corpora.

 

 

62-75
13

Title : Network Lifespan Growth by EASR Technique in Wireless Sensor Networks

Authors : Chandana K N, Prof. Pradeep Kumar

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In the recent technologies, Wireless Sensor Network (WSN) becomes more emerging as well as grown enormously and becomes an important tier in IT technologies as well as generally used in many various  fields of application because of their scalability, lower cost, self-organizing behavior of each  sensor node, low power, distributed algorithms, data management and social and security factors. Basically, a sensor node has a capable of sensing changes in parameters in the WSNs and communicating with other devices. The sensor nodes are designed considering very limited resources such as battery power capacity, processing speed, etc. Therefore, it leads to an uncertain situation associated with the sensor network durability or a lifetime. As the senor nodes are battery driven devices, and it only can supply a limited amount power to its respective internal components thus, it leads towards a very limited number of network lifetime (nodes will exhaust soon due to coverage and connectivity issues). Usually, in the conventional sensor networking systems, sensor nodes gather its respective sensed data and transmit it to the sink node for further processing where so much power can be consumed due to the lack of proper interoperability issues. To mitigate the above-stated problems and to extend the network lifetime energy conservation should be considered. This proposed system implements the EASR method to improve the network lifetime as well as improve the efficiency of the throughput of the entire system. This method uses both energy aware transmission range adjustment and sink relocation mechanism scheme using MCP routing protocol.

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