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Volume 6 Issue 1

S.No. Title & Authors Page No View
1

Title : Study on an Innovative Hardware-based Controller for Driving an Automotive Exterior Rear-View Mirror Mechanism

Authors : Chieh-Tsung Chi

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Abstract :

The purpose of this paper is to design and develop a new controller based on a hardware circuit component that performs the task of driving and protecting the outside mirror base of an automobile to extend or fold inwards under safe conditions. By capturing the presence of the + 12V DC power supply and the polarity of the supply voltage, the system controller learns the intention of the automotive driver and immediately performs a rotation direction control of the driving DC motor (commonly known as the electric motor) inside the vehicle outside mirror base. During the controlling process, the system controller will dynamically detect the current flowing through the rear mirror body driving motor and performs over-current protection to effectively protect the driving motor and the controller circuit from over-current damage. In order to simplify the system controller circuit and reduce manufacturing costs as possible as, system DC motor controller circuit is designed by entirely using hardware circuit. This article is based on the general automotive rear-view mirror base motor drive and over-current protection requirements and then design based on a hardware circuit controller. The design ideas and the working principle of the all controller circuits are also introduced gradually in this article. In order to verify the working performance index of the vehicle exterior mirror body driving motor controller mentioned in this paper, a set of laboratory-scale driving motor controller prototype of the rearview mirror body will be set up in the laboratory. Under different experimental conditions, the completed system prototype experimental measurement and data collection will be carried out. Finally, through the collection of experimental data show that the design of the controller circuit functions and performance indicators can indeed meet the expected design goals of this paper.

01-06
2

Title : Effects of Olmesartan and Azilsartan on Albuminuria and the Intrarenal Renin-Angiotensin System

Authors : Takeshi Takami, Sadanori Okada, Yoshihiko Saito, Yoko Nishijima, Hiroyuki Kobori, Akira Nishiyama

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Purpose: Olmesartan and azilsartan decrease blood pressure more effectively than other angiotensin receptor blockers (ARBs). ARBs additionally decrease the urinary albumin to creatinine ratio (UACR), a urinary albumin marker, and urinary angiotensinogen (u-AGT), an intrarenal renin-angiotensin system activity marker. We examined the effects of these ARBs on blood pressure, UACR, and u-AGT in patients with uncontrolled hypertension.

Methods: Patients with uncontrolled hypertension treated with conventional ARBs, excluding olmesartan and azilsartan, for over 8 weeks were enrolled. We randomly switched patients from their prior ARBs to either olmesartan or azilsartan, and followed them for 24 weeks.

Results: Systolic blood pressure (SBP), diastolic blood pressure (DBP), and central systolic blood pressure (cSBP) significantly decreased at 24 weeks. UACR and u-AGT also decreased at 24 weeks in both groups. There were no significant differences in SBP, DBP, cSBP, UACR, or u-AGT between the groups. Therefore, we combined both groups for further analyses. After combining, SBP (160.5 ± 16.4 to 139.6 ± 15.6 mm Hg, P < 0.0001), DBP (88.4 ± 13.7 to 80.7 ± 13.2 mm Hg, P = 0.008), cSBP (167.4 ± 20.8 to 146.6 ± 24.6 mm Hg, P < 0.0001), UACR (13.8 to 9.0 mg/g Cre, P = 0.0096), and u-AGT (4.13 to 2.32 µg/g Cre, P = 0.0074) significantly decreased at 24 weeks. Patients with microalbuminuria (UACR ≥ 30 mg/g Cre) had significantly greater ΔUACR (-39.4 vs 0.27, P = 0.0024) and Δu-AGT (-11.9 vs -0.61, P = 0.0235) than patients without microalbuminuria. The changes in u-AGT were significantly associated with changes in UACR (r = 0.411, P = 0.046); however, there was no significant relationship between the changes in u-AGT and those in SBP or DBP.

Conclusion: Olmesartan and azilsartan decreased blood pressure, UACR, and u-AGT more than the other ARBs, and exerted depressor and renoprotective effects.

07-10
3

Title : Influence of Classroom Control Practices on The Development of Holistic Learners in Public Secondary Schools in Kenya

Authors : Josephine Kagwiria Kirimi, Dr. Benson Njoroge, Dr. Robert Kamau

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Effective curriculum implementation in schools should be geared towards nurturing and promoting development of holistic learners which is the desire of every education system worldwide. The same is able to instill practical skills, knowledge, desired values, beliefs and attitudes in learners who in turn become useful members in the society. There little or no information at all in regard to the influence of curriculum implementation dynamics on the development of holistic learners in public secondary schools in Kiambu County, Kenya. The purpose of the study was therefore to establish the influence of classroom control practices on the development of holistic learners in public secondary schools in Kiambu County, Kenya. The objectives of the study was to establish the influence of classroom control practices on the development of holistic learners in public secondary schools in Kiambu County, Kenya. The study was informed by the holistic development theory and instructional design theory. The study employed mixed methodology and concurrent triangulation design that enabled the researcher to triangulate the findings. The target population comprised 1200 respondents: 100 principals, 300 teachers and 800 form three students. Stratified, purposive and simple random sampling techniques were used to select the required sample size which was 360 respondents comprising 30 principals, 90 teachers and 240 students. Questionnaires were administered to teachers and students while interview guides were used for the principals. Piloting of research instruments was conducted in schools not included in the actual study during data collection. Reliability was tested by use of test-retest method where Cronbach`s Alpha coefficient determined the reliability coefficient value r=0.7 an indication of high internal reliability hence the instruments were suitable to collect data. Validity of the research instruments was determined by considering the judgment of experts and supervisors. To ensure dependability of the instruments, comparable data was collected via a follow up study carried out in the same context using same process on the same respondents. To guarantee the gathered data were credible, concurrent research design was used.  Qualitative data was analyzed thematically while quantitative data was analyzed using descriptive and inferential statistics (Correlation Coefficient with the help of SPSS version 23). Quantitative results collected through questionnaires from teachers and students were presented in figures and frequency tables generated through Microsoft excel version 2010. Pearson product moments correlation coefficient (r) was used to test for strength of association at 95% confidence level. The findings revealed that there was a correlation between curriculum implementation dynamics and the development of holistic learners in secondary schools of Kiambu county Kenya. Assessment practices, classroom control practices and co-curricular activities were found to have negative correlation with the development of learner`s spirituality, cognitive, personality, self-efficacy, inter-personal values among other aspects of a holistic learner. However, there was a strong and positive correlation between teaching methods, remedial teaching and engagement in co-curricular activities and the development of holistic learners in Kiambu County. The study concluded that in public secondary schools in Kiambu County, curriculum implementation dynamics employed are correlated with the development of holistic learners. The study therefore recommended that teachers` in-service training programmes must be adjusted to reinforce classroom control practices that contribute positively to the development of holistic learners and eliminate school related practices that affect the development of holistic learners negatively.

11-34
4

Title : DFT Study on the Conformational Isomerism of Schiff baseN,N′-bis(3,3′-dichlorosalicylidene)-2,2′- ethylenedianiline

Authors : Dong Seon Shin, Kil Sik Min, Bong Gon Kim

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In previous work, we have isolated and characterized two conformers, endo(syn) and exo(anti) as Schiff base, N,N′-bis(3,5-dichlorosalicylidene)-2,2′-ethylenedianiline (L) containing the salicylidene and dianiline moieties. In this paper we have identified the conformational behavior of the Schiff base by DFT calculation using various methods as B3LYP, PBE1PBE, M06-2X, and M11L/6-311G(d,p) levels. And also we were investigated the mechanism of isomerism from the endo type conformer to the exo isomer by DFT calculation. The equilibrium geometries computed by all methods were compared with X-ray diffraction results. The conformational isomerism of the ligand were computed both in gas and in ethanol solution using PBE1PBE/6-311G(d,p).

In the results of theoretical calculations, the Schiff-base ligand can be exist several conformational isomers according to torsion angle of main skeleton. We have identified that the more stable conformers are two conformers as endo01 and exo02 conformer. it was identified that The inter-conversion between two conformers can be easily achieved by thermo-control.

35-40
5

Title : Study on the Growth and Yield Potential of Promising Wheat Genotypes under Modified Agronomical Practices

Authors : Moushumi Akhtar, Mosleh Ud-Deen, Ilias Hossain

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A field experiment was conducted to investigate the combined effect of NPKS (Nitrogen, Phosphorus, Potash and sulpher) fertilizer with cow dung on the growth and yield of promising wheat genotypes. Organic matter in the initial soil of the experimental field is very low (0.94%).  The objective of study was to investigate the varietal/genotypic in producing maximum yield under different soil and environmental condition. To estimate the nutrient use efficiency of wheat genotypes and to support wheat breeding program in selecting the genotypes with relatively higher yield potential.To determine optimum rate of NPKS for wheat genotypes .The results revealed that maximum growth parameters responded significantly to NPKS fertilizers. Application of NPKS in combination increased wheat yield, gave the highest grain yield (4.21 t ha-1) from M4 management, due the higher number of  grains spike-1over  nutrient management. The highest grain yield (4.29 t ha-1) was recorded from G3 (BAW1161) genotypes. Among the interaction of nutrient management and genotypes produced the highest grain yield (4.60 t ha-1) in M4G3 (i.e 150% RF+10 t ha-1cowdung and BAW1161) which may be considered  as the best treatment combination. Different genotypes showed variable response to nutrient management.

41-49
6

Title : Brazilian Coffee Quality: Cultural, Microbiological and Bioactivity Aspects

Authors : Sara Maria Chalfoun, Caroline Lima Angelico, Mario Lucio Vilela de Resende

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The Brazilian coffee industry attentive to the regrouping of the consumers in relation to the notion of quality of the coffee and that this is depends on multiple determinants one must consider factors that involve the steps from pre-harvest to storageundergoes a deep transformation in all coffee chain. Good practice programs, applied along the productive process has repercussion on the microbiological, physical and chemical characteristics translated by the quality of the final product regarding the sensorial and safety standards. Research has been progressively pursuing the improvement of quality techniques and producers have been proactive in all stages of productivity and industrialization, readily absorbing the new technologies generated by the research. Thus, production standards have been designed according to the world demands of quality in a holistic way that involves in addition to the quality of the final product, the quality of the activity by socio-environmental aspects.

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7

Title : Polymer based UV Induced Nanocomposites with Metal and Semiconductor Nanoparticles

Authors : A. A. Smirnov, A. Afanasiev, N. Bityurin

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The purpose of this review is to draw the readers’ attention to the problem of in situ formation of nanoparticles of different kinds just within the polymer matrix by means of light irradiation. This offers an opportunity for patterning the initially homogeneous materials because the formation of nanoparticles strongly changes their optical properties. It would be very useful in photonics applications.

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