Spectroscopic Investigation, HOMO-LUMO analysis and DFT studies on Acetone Thiosemicarbazone
The present investigation is aimed at the experimental and theoretical studies on molecular structure, vibration spectra of Acetone Thiosemicarbazone (C4H9N3S) were studied The FT-IR and FT-Raman spectra was recorded. The molecular geometry and vibrational frequencies of the ground state were calculated by using Hartee-Fock and Density functional methods (B3LYP) with6-311, 6-311++G(d,p)basis sets. Comparison of the observed fundamental vibrational frequencies of Acetone Thiosemicarbazone by HF and DFT method. The electric dipole moment (?) and the first hyperpolarizability (?) values of the investigated molecule were also computed.
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Study of yoga versus exercise therapy in the management of mechanical low back pain
Mechanical low back pain is one of the major 21st century adversity, and 2nd leading cause of disability. Back pain is a common health problem, with more than 50% of adults bothered by it each year and 70% to 80% of adults afflicted by it at some time in their lives. Yoga offers a holistic approach to health and is now considered a form of mind-body medicine within complementary and alternative medicine. Physiotherapists are beginning to recognize yoga as a form of treatment for musculoskeletal and cardio respiratory conditions. The objective of the study was to compare effectiveness of yoga and exercise therapy in the management of mechanical low back pain. Total 60 subjects with mechanical low back pain were devided in to two groups. Yoga group and exercise group. Yoga group underwent yogic counselling, asanas, and instant relaxation technique and exercise group underwent educational talk, strengthening exercises, and supine rest. Subjects evaluated for disability and flexibility with Roland Morris Disability Questionnaire and sit and reach box test respectively. Data was collected at baseline and at 4th& 8th week. Yoga and exercise therapy both showed a significant reduction in disability and improvement in back flexibility. Yoga and exercise therapy both are effective in the management of mechanical low back pain.
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Sun Tracking Schemes for Photovoltaic Panels
Sunlight based vitality frameworks have developed as a suitable wellspring of renewable vitality in the course of the last a few decades, and are currently generally utilized for an assortment of mechanical and household applications. Such frameworks depend on a sun oriented gatherer, intended to gather the sun's vitality and to change over it into either electrical power or warm vitality. When all is said in done, the power created in such applications depends on a very basic level upon the measure of sun powered vitality caught by the authority, and along these lines the issue of creating following plans equipped for taking after the direction of the sun over the span of the day on a year-round premise has gotten huge scope in this paper. In Aden city (Yemen), the change in the execution of a sun oriented cooker amid summer was observed to be as much as 40% for higher height edge and 70% for lower rise edge, in view of the created following calculations. Besides, it was demonstrated that the measure of sun based vitality caught by a tilted gatherer could be expanded by more than 40% by modifying the tilt point on a regular premise. Two LDRs are utilized to screen the sun powered light condition. These LDR yield is interfaced to Microcontroller through transistor. The controller consistently checks the voltage level of the LDRs and works the engine to confront the board to most extreme level of force. The day/night condition is additionally checked by these two LDRs to handicap the following in night condition. The engine is driven by H connect. This paper utilizes controlled 12V, 500mA power supply. 7805 three terminal voltage controller is utilized for voltage direction. Connect sort full wave rectifier is utilized to amend the air conditioner output of optional of 230/12V stage down transformer.
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Synthesis and antibacterial activity of some new thiazolidines
4-oxo-thiazolidine have been synthesized by cyclisation of acyclic compounds and thioglycolic acid on Schiff ’s bases. All the products have been evaluated for their in vitro antimicrobial activity against various strains of bacteria.
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Technical efficiency of manufactured rubber product in Malaysia: stochastic frontier analysis
This paper investigates the technical efficiencies of rubber product manufacturing industry in Malaysia. We employed Stochastic Frontier Analysis (SFA). Secondary data from 313 firms that manufacture rubber product was obtained from the Annual Survey Of Manufacturing Industries 2004 by Department of Statistics Malaysia. Variables that are included in this are such as capital (RM), labor, and energy. Results clearly show that the mean technical efficiency of manufactured rubber product industry in Malaysia is 0.70328 or 70.33 percent. Majority of the firms are also fairly efficient in the use of available resources. Some technical assistance such as training programs for the proprietors of the firms and financial support such as subsidies could be offered to boost their production level as rubber is indeed an important component of the manufacturing industry in Malaysia.
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The effects of milling on corn flour using instrumental neutron activation analyses: a case study of three selected corn millers within Accra metropolis, Ghana
Most Ghanaian foods are made from maize. Unfortunately, certain diets made from the cereal cannot be produced without processing the maize into flour. The corn mill has been the most efficient and often used tool for grinding legumes, cereals, nuts and spices. Maize is milled either dried or soaked. Dry maize is usually milled over and over again for about four times to retain a smooth texture. It is used to prepare many delicacies in different parts of Ghana. However, soaked maize is milled only once and it is ready for use. The work was conducted to find the levels of Cd, Al, Ni, Cu, Mg and Zn in the processed flour using instrumental neutron activation analyses at the Ghana Research reactor-1 Facility. As the grinding plates of the corn mills rub against each other, there is friction as well as wear and tear. This could introduce toxic metals into the corn flour. Results showed that the corn mills had no negative effects on the corn flour as the level of the elements recorded were below the required limits. Al values in the sample ranged from 1.8 ± 0.27 mg/kg to 5.40 ± 0.81 mg/kg. Cu, Cd, Zn and Mn also recorded concentration values of ranges 0.70 ± 0.11 mg/kg to 1.50 ± 0.23 mg/kg, 4.80 ± 0.72 mg/kg to 6.40 ± 0.96 mg/kg, 0.52 ± 0.08 ?g/kg and 0.90 ± 1.35 mg/kg to 4.10 ± 0.62 mg/kg respectively. No particular process recorded consistent peak value concentrations for the heavy metals. Ni recorded concentrations within the range 26.18 ± 3.23 mg/kg to 46.42±2.53 mg/kg. However, continuous consumption could lead to accumulation of these elements that could affect the body adversely.
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The Enhancement of Lexical Collocation Learning Through Concordancing: A Case of Iranian EFL Learners
Collocation is one of the most problematic areas in second language learning and it seems that if one wants to improve his/her communication in another language the collocational competence should be improved. The purpose of this study was to examine the effect of applying Collins Collocation Dictionary as a concordancing tool on learning lexical collocations of Iranian EFL university students. After selecting 30 students randomly, they were divided into 2 groups: experimental group and control group. A pretest was taken from both groups at the same time. In the following week concordancing practice (task1) was given to the students in the experimental group and they were asked to work with10 lexical collocations and identify (mis)collocations. At the same time students in control group received some texts and they were asked to notice the lexical collocations. Then, posttest1 was given to the students in both groups. In the next week, the same procedure with 10 other lexical collocations was repeated and posttest 2 was administered. The results showed that the experimental group performed better on lexical collocations than the control group and their results were significant.
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The Histopathological Effects of 2,4- Dichlorophenoxyacetic Acid on Intestine Tissue of Zebrafish (Danio rerio)
The histopathological effects of 2,4- dichlorophenoxyacetic acid (2,4- D) intestine tissues of the Danio rerio were determined by light microscopy. The fish were experimentally exposed to sub-lethal concentrations (0,1 ppm, 0,5 ppm and 1 ppm) of 2,4-D for 5 days. Tissues were normal in the control group. In the intestine tissues of fish exposed to 2,4 dichlorophenoxyacetic acid, oedema, necrosis and atrophy of epithelial cells were observed. The present study proves its toxic potential in terms of the damages induced by 2,4- D in organ level.
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The Impact of Nigerian Commercial Banks on Rural Populance in Oyo Metropolis
A bulk of the Nigeria wealth is derived from Oil and Agriculture which lies in abundant quantity in rural communities. Current estimates put the rural population at over 80% of the entire population of almost 160 million people. So far, not much in terms of infrastructural development has been done to bring this bulk of concentration of both human and material resources to contribute optimally to national economy. The neglect has resulted to the mass exodus of rural dwellers and in turn has made the rural area qualitatively and quantitatively depopulated, and progressively less attractive for socio-economic investment. It is against this backdrop that this paper evaluates the impact of Nigerian commercial banks on rural populace in Oyo metropolis and; also to determine the relationship that exists between various activities of commercial banks and its rural populace. In line with the objectives, two hypotheses were formulated. The population of the study is the eight (8) Commercial Banks in Oyo metropolis and three (3) were selected as sample size. The study utilized data from primary source. Data were obtained from the questionnaires administered. The time frame for the study is ten years, covering the period of 2002 to 2011. The technique of analysis used in the data was Analysis of variance (ANOVA). We concluded that even though commercial banks activities such as giving out loans and receiving deposit has positive impact on the rural economy, there is room for the Commercial banks to gear more of its activities towards empowerment of the rural populace. Commercial banks should also strategize on how to attract and retain more deposits so as to further improve on their lending performance towards the rural dwellers. In addition to establishing a policy framework that maximizes the incomes of the working rural dwellers through policies to promote rural self-employment and reliability.
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The Impact of Posing (Lead in) Pre-reading Questions on Reading Engagement of Iranian EFL Learners: Focusing on Extensive Reading
The significance and effectiveness of pre-reading activities in the contexts of both ESL and EFL has been acknowledged by many researchers. If students lack the required background knowledge, a teacher must activate students’ background knowledge or offer background information prior to reading a text. The present study aimed at investigating the role of pre-reading questions plus extensive reading in affecting the reading engagement of Iranian EFL learners. Participants of the study included two groups of 30 EFL learners with similar language proficiency. Reading engagement was measured using Reading Engagement Index developed by Wigfield and Guthrie (2004). Language learners were pretested on reading engagement and it was found that the two groups of the study were not significantly different in terms of reading engagement. Afterwards, one group received extensive reading plus pre-reading questions and another group received just extensive reading. The two groups’ reading engagement was measured after treatment to explore the effect of treatment on reading engagement of language learners. The results of paired samples and independent samples t-test indicated that pre-reading plus extensive reading was more successful in enhancing reading engagement of language learners compared to extensive reading.
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