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Volume 6 Issue 8 (August 2019)

S.No. Title & Authors Page No View
1

Title : Studies on Loss-tangent of Argon and Oxygen Plasmas Treated Jute

Authors : Md. Anisuzzaman Rassel, Md. Masroor Anwer

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Low temperature plasma (LTP) treatment, a kind of environmentally friendly surface modification technique, was applied to biodegradable and ligno-cellulosic jute fibre with the use of two non polymerizing gases, namely argon (Ar) and oxygen (O2) at various discharge power levels of 50, 75 and 100 W and exposure times 5, 10, 15 and 20 min. with a flow rate of 0.2 L/min. Dielectric loss quantifies a dielectric materials inherent dissipation of electromagnetic energy properties of both raw and low temperature Ar and O2 plasma treated jute were studied at various discharge power levels and exposure times. The dependence of the tanδ with frequency at different treatment times and discharge powers for all the jute samples show small relaxation peaks at the very low frequency region. The values of tanδ decrease with the increases of both plasma treatment times and discharge powers. Also, the relaxation peaks shifted to the higher frequency region as the plasma treatment times as well as discharge power increases. At low frequencies relaxation peaks indicates the possibility for the interfacial polarization.

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2

Title : Variation of Electrical Conductivity with Frequency of Argon and Oxygen Plasmas Treated Jute

Authors : Md. Anisuzzaman Rassel, Md. Masroor Anwer

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Jute fibers, a cellulosic and a environmentally friendly fibers, are treated with low temperature Argon (Ar) and Oxygen (O2) plasmas for 5, 10, and 15 minutes exposure times and at various discharge power levels of 50, 75 and 100 W with a flow rate of 0.2 L/min. Low temperature plasma treatment, a kind of environmentally friendly surface modification technique. The electrical conductivity of both raw and low temperature Ar and O2 plasmas treated jute as a function of frequency were studied at room temperature. It is observed for all the types of samples that the conductivity increases as the frequency increases with a lower slope in the low frequency region and with a higher slope in the higher frequency region. In addition, the conductivity decreases with the increase of plasma exposure time as well as discharge power. The conductivity increases with frequency due to the hopping mechanism of electrons.

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3

Title : Social Justice through Humanism: M.N. Roy and Erich Fromm

Authors : Dr. Naushaba Anjum

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The word ‘humanism’ came into general use in 19th century however, the concept is as old as philosophy itself. In order to explain the concept of humanism it is important to state in brief what exactly is meant by humanism. All humanists are self-professedly committed to man. They stand for the actualization of human potentialities. They wish to contribute to human happiness, social justice, democracy and peaceful world-order. All of them believe that authoritarianism and totalitarianism is dehumanizing, all of them are sympathetic to human suffering and are committed to the unity of mankind.

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4

Title : Sensitive Variable Analysis for Comprehensive optimization of an SWATH-USV

Authors : Wang Baojiang, Tang Xiongfeng, Yang Songlin, Qiu Menglong

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In this paper, aiming at the comprehensive optimization of SWATH, we establish a optimization mathematical model of SWATH. And use genetic algorithm to carry out the comprehensive optimization calculation. To solve the problem of premature convergence of genetic algorithm, we adopt parallel strategy to improve the efficiency of the algorism on three design variables: Loa, speed item. In order to improve the parallel efficiency of the algorithm, we have carried out sensitivity analysis propeller diameter, and obtained the analysis results. The research results can provide a reference for the multi-objective, multi-variable and multi-constrained comprehensive optimization of the performance optimization of SWATH.

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5

Title : Finite element analysis of a Piezoelectric layered plate with different materials

Authors : Hossein Alimohammadi, Behrooz Izadi Babokani

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The objective of this study is a static analysis of smart piezoelectric ceramic plane which has infinite length and width and constant thickness. This plate has been studied by six various piezoelectric materials, the polarization direction assumed towards the third direction and loading was based on applying the stress on the upper and lower sides of the plate. Also, the analysis was conducted in both open and short circuits state according to the laws of nature. Two commercial software Abaqus and Ansys were used for the analysis, and the results were compared for all situations and materials. The results showed that the mechanical and electrical quantities had not been affected by the thickness of the piezoelectric ceramic plane, and among the piezoelectric materials, PZT5H material has the most electromechanical dependency.

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6

Title : Kinetic Study of Anaerobic Digestion of Goat Manure with Poultry Dropping and Plantain Peels for Biogas Production

Authors : Christian C. Opurum, Christian O. Nweke, Christopher E. Nwanyanwu, Ikenna N. Nwachukwu

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In this study, the kinetics of anaerobic digestion (AD) of goat manure (GM) with poultry dropping (PD) and plantain peels (PP) for biogas production was evaluated. The digestion was carried out for a period of 47 days at pH range of 6.80-7.80 under an ambient temperature of 25-36OC. Seven (7) bio-digesters of ten (10L) capacity labeled A-G were used. Reactors A - C contained 520g final weight of GM and PD blended in the percentage combinations (GM/PD): 50/50, 75/25 and 85/15. Similarly, reactors D - F contained GM/PP while G contained only GM. Cow rumen liquor served as the inoculum source and daily biogas production was monitored by the water displacement method. The biogas production was described with Modified Gompertz model (MGM). Post Hoc Duncan test (ANOVA) was used to compare means of cumulative gas yield in the different treatments. The biogas produced was flammable in all the bio-digesters and burnt with a deep blue flame. The maximum cumulative biogas yield from the different treatments in decreasing order is: 23.36, 20.73, 18.41, 11.20, 6.53, 4.84 and 1.63 dm3 for digester G (GM only), A (GM/PD 50:50), B (GM/PD 75:25), C (GM/PD 85/15), D (GM/PP 50:50), E (GM/PP 75:25) and F (GM/PP 85:15) with yield/gVS of 0.720, 0.573, 0527,0.326, 0.182, 0.139 and 0.048, respectively. Duncan test showed a significant difference (P ≤ 0.05) in cumulative biogas yield in all the treatments. The highest cumulative yield (23.36dm3) was recorded in bio-digester G (GM). The treatments exhibited antagonistic effects and significantly inhibited biogas production. The antagonistic effects occurred consistently in the various percentage combinations. The MGM predicted biogas production potential (Ym) is 20.961 ± 0.385, 19.125 ± 0.457, 12.407 ± 0.551, 6.848 ± 0.320, 5.514 ± 0.549, 1.654 ± 0.054 and 23.631 ± 0.656 for digester A- G, respectively. The MGM suitably fitted the experimental results, with R2 values greater than 0.97. The individual digester feeds used in this study exhibited very reasonable compositional characteristics, indicating a high potential for biogas production. It could be concluded that mono-digestion of goat manure can suitably be adopted in biogas production.

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7

Title : Purification and Some Properties of aThermostable Glucose-Producing α-Amylase from Bacillus sp. Cos.

Authors : Opurum C.C, Odibo F.J.C

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Thermophilic microorganisms are known for their high temperature requirement. One outstanding attribute of these organisms is the production of thermostable enzymes, and because of this feature, enzymes produced by thermophiles have found a number of commercial and research applications. Thus there is a continuous search for thermophilic micro-organisms capable of producing thermostable enzymes with novel characteristics. In the present study, a thermostable α-amylase-producing bacterial strain was isolated from soil. The isolate was phenotypically identified as Bacillus sp. Cos by adopting standard methods and was used in the production of amylase in sub-merged shake flask culture. The enzyme was purified 8-fold by cold acetone (-10OC) precipitation, ion-exchange chromatography on DEAE -Sephadex (A-50) and on Bio-gel P-4 gel filtration column. The homogeneity and molecular weight was estimated to be 38.02KDa by SDS-PAGE. The enzyme was optimally active at 70OC and pH7.0. It was not activated by any of the tested metal ions but was strongly inhibited by Hg2+. The enzyme hydrolyzed some tested polysaccharides producing only glucose. The Km values (mg/ml) for glycogen, starch, amylopectin, pullulan and amylose were 0.71, 0.83, 0.83, 1.67 and 10.0, respectively. The production of only glucose from various polysaccharides by Bacillus sp. Cos thermostable α-amylase, its optimum pH and temperature of activity at 7.0 and 70OC, coupled with its independence on metal ions for activation and stabilization suggests its applicability in starch saccharification for industrial production of glucose and fructose syrups.

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8

Title : Analysis for Mooring System of Ship

Authors : Shenghui Tao, Hui Liu

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The mooring system of a bulk carrier under wave, wind and current action is numerically simulated by creating the finite element models in ANSYS-AWQA. The numerical simulation of the ship mooring system under three typical working conditions is carried out, and the tension of the anchor chain is checked, the motion response is analysed, and the numerical calculation results are analysed. The results show that the analysis for the motion responses of the mooring system and the tension check of the mooring lines play an important role in the construction and safety of the ship. In addition, the numerical simulation analysis can provide the basis and guarantee for the selection of the suitable mooring system, and it has great meaning for reducing the economic loss.

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9

Title : Investigation of a HPGe Detector’s Geometry Using X-Ray Computed Tomography in Collaboration with Monte Carlo Method

Authors : H. I. Khedr, M. Abdelati, K. M. El Kourghly

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Reliable, accurate information about the detector geometry specifications are required to determine the detector full energy peak efficiency, using the general Monte Carlo simulation code (MC). Due to the incomplete detector geometry specifications given by the manufacturer a CT scanner (X-ray Computed Tomography) has been used to illustrate the physical dimensions, housing and placement of the detector crystal. Also, HPGe detector has been scanned using a collimated reference source (137Cs) to estimate the dead-layer as well as inner hole of the crystal. Obtained information and available manufacturer data are used to generate MCNP5 input file. Estimated dead-layer was a round 0.6 mm for the front facet and about 0.4 mm for the side. To validate MCNP5 model activity of reference point source (137Cs, 60Co and 133Ba) has been estimated. Calculated activity was in agreement with the reference value within relative difference less than 2%. Mass of 235U contents in a reference volume sources has been estimated with relative different less 1%.

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10

Title : Simulation and optimization analysis of ship production logistics

Authors : Guoqing Zhang, Xincheng Ma, Xiaofeng Meng

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With the overall improvement of production technology level, China has occupied a place in the world shipbuilding market. The material management system of Chinese shipbuilding enterprises must be comprehensively improved to meet the development needs of assembly and shipbuilding. Chinese shipbuilding enterprises have delayed delivery and consume a lot of materials and Such problems make the material management system particularly important. To this end, this paper has conducted in-depth research on the material management of the assembly shipbuilding model. In order to better study the production logistics management of shipbuilding, this chapter takes the ship segmentation as the research object, uses eM-Plant to simulate the ship segment production line, and proposes the corresponding optimization plan.

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11

Title : Research on Control and Management of Cruise Ships Construction Schedule Plan

Authors : Yi YU, Jiawei CHEN, Zhengshan SHENG

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Progress control management plays a very important role in the process of cruise ships construction. How to improve the construction plan management level of domestic cruises ships has become an issue concerned by the industry. By analyzing the status of cruise ships construction plan management at home and abroad, this paper draw up the construction schedule plan suitable for domestic cruise ships, and study the possible deviation in the cruise ships construction schedule. By using the method of network plan graph, the causes of deviation were analyzed and solutions were proposed, so as to ensure the construction schedule of cruise ships.

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12

Title : Research on Segmentation Production Simulation Optimization Technology Based on Plant Simulation

Authors : Xincheng Ma, Guoqing Zhang, Chong Zhang

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With the rapid development of science and technology, China's shipbuilding industry has also been rapidly improved. After several generations of ship industry elites' unremitting efforts, China's shipbuilding industry has entered the ranks of the world's shipbuilding industry. However, there is still a certain gap in production efficiency compared with Japan and South Korea. The main difference lies in the waste of invalid time on the segment production process. In the process of ship segmentation, there are often production waiting and backlog phenomena, which lead to bottlenecks on the production line. Therefore, this paper uses Plant Simulation to model and simulate the segment production line and optimize the production line by using the experimental design method to reduce Station blocking rate, shortening the ship construction period.

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13

Title : Improvement of Crystallinity for F16CuPc Thin Film by DH-α6T Quasi-monolayer

Authors : Rongbin Ye, Yuya Sasaki

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In this paper, we have reported on improvement of crystallinity for fluorinated copper phthalocyanine (F16CuPc) thin film by an α,α’-dihexylsexithiophene (DH-α6T) quasi-monolayer. By the detailed XRD and SEM analysis, highly ordering α-F16CuPc thin films could be deposited on SiO2/Si substrates modified by a DH-α6T quasi-monolayer. The F16CuPc/DH-α6T TFT worked in hole-enhancement and electron-depletion modes with their hole and electron mobilities of 4.10 x 10-2 cm2/Vs and 2.19 x 10-2 cm2/Vs, respectively. The bilayer device shows high electron mobility that is about 6 times greater than that of the single layer device, which originated from highly ordering and increasing of grain size of F16CuPc thin films deposited on a DH-α6T quasi-monolayer.

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14

Title : A new geomagnetic index reveals the link between geomagnetic activity and human health

Authors : Hiroshi Morimoto

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The relationship between geomagnetic storms and human health has been debated for decades. The idea that the geomagnetic fluctuations may cause human ill health has implications for a wide range of illness from cardiovascular disease to mental illness. However, this has not been established in the literature. This work, using a new measure of geomagnetic activity, studies the associations between geomagnetic activity and human health . We classified magnetic storms into two categories, storms of sudden commencement and storms of gradual commencement, and counted their frequencies to get new indices called FSSC and FSGC respectively. We explored the correlation of these new indices with 16 leading causes of death in Japan from 1952 to 2004. We also compared our results with known indices of solar activity viz sunspot numbers and K-index. Significant positive correlations were between FSSC and Hypertensive diseases, Cerebrovascular diseases, Accidents, Transport accidents Malignant neoplasms, Diabetes mellitus, Heart diseases, Pneumonia, Chronic bronchitis and emphysema, Renal failure, and negative correlations between FSSC and Hypertensive diseases, Cerebrovascular diseases, Asthma, Gastric ulcer and duodenal ulcer, Senility, Accidents, Transport accidents. No correlations were seen between disease and sunspot numbers. Our new index contributed to revealing the link between the geomagnetic activity and human health more precisely than established indices.

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Title : Quantitative assessment of biodegradable kitchen waste generation from three star hotels in Chandigarh and its potential for composting

Authors : Simranjit Kaur, Dinesh Goyal, Randeep Singh Saini

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Due to the expansion of business profile, Chandigarh city has become a hot spot for hospitality sector, which is one of the major sources for generation of biodegradable kitchen waste.  The present study was conducted to assess the quantum of biodegradable kitchen waste generation from three star hotels in Chandigarh, waste management practices being followed and potential of biodegradable waste for composting. The study involved survey in 11 three star hotels of Chandigarh (India) out of 70 three star hotels located in the province. A questionnaire was used to collect the data from hotel staff. The biodegradable waste generated was quantified and composted using a lab scale mechanical composter. The results have shown that the waste generation rate varies from 40-80 Kg/day/hotel. Segregation of waste at source is being partly implemented as vegetables peelings are mixed in dry waste and used tissues in wet waste. The dry waste is picked by municipal workers from all the hotels and is dumped at the landfill site however the wet waste is being given to piggeries by most of the hotels on daily basis. Out of the total waste generated, 38-44% of waste generated is biodegradable kitchen waste which can be composted to get a compost of C/N ratio 22.79 ± 4.43. This compost can be used as soil amending agent in gardening. Thus the kitchen waste generated from hotels has a good potential for composting which can done on a small scale through a suitable decentralized system. This will help in decreasing the ultimate load on landfill and will assure environmentally sound disposal of biodegradable waste.

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Title : Buddha’s model of Deliverance: An Analysis

Authors : Bodhendra Kumar

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Having a treasure of rich classical traditions, India has always played a significant role in emancipating the lives of people around the world. Among these traditions, a non-Vedic tradition, Buddhism is still enhancing the lives of people, globally. The main factor responsible for its worldwide acceptance is its non-metaphysical and non-sectarian nature of deliverance, as Buddha’s method is independent of race, region, culture and religion. Buddha’s model of Deliverance integrates the worldly knowledge into a classical prototype to convert suffering into bliss. Buddha’s deliverance catapults one from mundane conventions to moral liberation. The truth Buddha had penetrated the fourfold division of knowledge, expressed as the Four Noble Truths. These Four Noble Truths comes first in the Buddha’s teaching and further summarises in his deliverance. His deliverance does not include contemplation of the absolute knowledge, but he employs the technique of meditation, using ordinary objects of meditation, as the path to attain the ultimate knowledge. According to his model of purification, the process starts with conceptual development with the acknowledgement of Ignorance (Avijjā) as the root cause of all sufferings in the present and future lives. He further conceptually develops the 12 links of cause and effect – Paticcasamutpada, which explains the development of ignorance into mind and body and he talks about Pragya – wisdom which forms the primary tool to remove suffering. Buddha’s meditation starts with observing Pancasila with the practising of the Eight-Fold Path and then dwelling in Metta (compassion). His method Trans mutates ignorant beings to enlightened beings.

In this research paper, the researcher has attempted to conclude the distinctiveness of theoretical and practical approaches used by Buddha in alleviating suffering from the lives of masses.

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Title : A Study Of The Daily Weather Variation Of Abuja, North Central, Nigeria: A Case Study Of The Month Of April

Authors : Abdullahi Ayegba, Yahuza Yusuf, Amodu U. Simeon, Imhanfidon O. Justin, Ogobor E. Augustine, Abimaje O. Suleiman, Adejoh Joshua, Obasi R. Chioma

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This research work investigated the daily weather variation of Abuja, Nigeria, for the month of April, using the data from Automatic weather station installed at Mathson Space International School, Abuja. Graphical method was used to analyse and represent the nature of the variations of all the parameters. It was shown from the result that there was daily variation in all the parameters but less experienced in atmospheric pressure, though has a surge at its middle before returning to initial trend. It was observed that the maximum, minimum and average daily temperatures of the study area for the month of April, 2019, are 34.920C, 30.170C and 32.490C. Also, the maximum, minimum and average daily atmospheric pressures are 975.64 hpa, 948.33 hpa and 968.32 hpa. The maximum, minimum and average daily relative humidity values are 65.58%, 47.06% and 55.51%, while the maximum, minimum and average daily wind speed values are 1.01 m/s, 0.49 m/s and 0.76 m/s. It was concluded that there were general variations in all the parameters irrespective of the nature.

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18

Title : Comparison of Non Zero Cross- Correlation and Diagonal Identity Matrix codes in Optical Code Division Multiplexed System

Authors : Sarnjit Kaur, Gurmeet Kaur, Beant Kaur

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In this work, an optical code division multiplexing system using diagonal identity codes is proposed. Total 10 users are considered at 5 Gbps bit rate and channel spacing is fixed to 100 GHz. Diagonal identity matrix codes can be designed for any number of users with weight greater than 2. It has zero cross correlation and very simple design with less multiple access interference. Performance analysis of proposed system is accomplished for different link lengths, users and comparison with different existing codes has been done.

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Title : Optimization of Biodiesel Production from Jojoba Oil Using Red Sea Coralline limestone as a heterogeneous Catalyst

Authors : Taiseer Hassan M., Ahmed A. A. Youssif, Isameldeen Ibrahim H. A.

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Jojoba oil (Simmondsia chinensis Link Schneider) has potential as an alternative, nonfood feedstock for Biodiesel production. Jojoba seed which obtained from Erkaweit – Sudan was used in biodiesel (JME) production using Coralline limestone rocks as a heterogeneous catalyst. Coralline limestone rocks is a abundant and environme-ntally friendly in the Red Sea area, the main characteristic of this rock is the high content of calcium carbonate (CaCO3), which was transformed into CaO by calcinations. The transesterification reaction variables; methanol / oil molar ratio, catalyst weight% and reaction time were fully optimized using response surface methodology (RSM) based on a central composite design (CCD). The catalyst was characterized by X-ray fluorescence (XRF), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscope (SEM) and HPGe gamma spectrometry. Jojoba seeds were investigated for agronomical parameters, the analysis of jojoba seed gives, 45.187g weight of 50 seeds, the seeds measurements were 16.256 mm length, 10.551 breadth and 9.721mm thickness, the proximate composition of the seed were 46.711 oil content, 3.486 Moisture, 1.71 Ash, 15.45 Protein and 32.633 Carbohydrates (by diff.). Jojoba oil was also tested for its physiochemical properties including acid value, peroxide value, FFA, flash point, pour point, refractive index, density, viscosity @ 40 ˚C, saponification and iodine values. Proximate analysis of extracted oil gives (0.936 mgKOH/g,  2.469 mEq/kg, 0.47%, 150 ˚C, +9 ˚C, 1.464, 0.864 g/ml, 22.507 Cst, 95.011 mgKOH/g and 84.20 I2/100g) respectively. The important fuel properties of Jojoba oil methyl ester (JME) were evaluated including kinematic viscosity @ 40 ˚C (6.783 Cst), acid value (034 mgKOH/g), Flash point (154 ˚C), density (865 kg/m3) and cetane number (53.33 min.). The fatty acids profile fatty jojoba oil and jojoba methyl ester were established by GC analysis. According to this study, the maximum yield of JME was 81.93% at 12/1 methanol/oil molar ratio 5% catalyst weight and 3 hours reaction time.

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Title : A Detailed Comparison of Different Modulations in High Capacity Mode Division Multiplexed Inter-Satellite Optical Wireless Communication System

Authors : Amanvir Kaur, Amandeep Kaur Brar

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Optical wireless communication is getting attention due to edge over radio frequency communication in terms of bandwidth, data rate, security, EMI interference and unlicensed operations. In this work, a mode division multiplexed inter-satellite optical wireless communication is presented at different data rates such as 10 Gbps, 20 Gbps and 40 Gbps in terms of Q factor. Proposed work is accentuated towards the performance evaluation of modified differential phase shift keying (MD-DQPSK) modulation at different distances (750 km to 3750 km). Linear polarized (LP) modes, 64 in number are incorporated in the system to carry the high speed data. Further performance of proposed MD-DQPSK-MDM inter-satellite optical wireless communication is compared with differential quadrature phase shift keying (DQPSK), and Manchester coding and differential phase shift keying (DPSK). Q factor of MDRZ- DQPSK, DPSK, DQPSK and Manchester coding at 2500 km of link distance are observed as 16, 8.4, 10.37, and 3.56 respectively at 40 Gbps. Results revealed MD-DQPSK provide highest Q factor as compared to DQPSK, DPSK and Manchester modulation.

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