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Science Journal

 

New York Science Journal

(N Y Sci J)

ISSN 1554-0200 (print); ISSN 2375-723X (online), doi prefix: 10.7537, Monthly

Volume 9 - Number 11 (Cumulated No. 93); November 25, 2016

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CONTENTS  

No.

Titles / Authors /Abstracts

Full Text

No.

1

The impact of managerial ownership, financial leverage and audit quality on firm performance in Tehran stock exchange.

 

Hossein behbahani 1 *, Karim rezvani raz2**

 

*Department of Accounting, Persian Gulf International Branch, Islamic Azad university, khorramshahr, iran

**Department of Accounting, Abadan Branch, Islamic Azad university, Abadan, iran

 

Abstract In this study effect of managerial ownership, financial leverage and audit quality on firm performance was investigated. QTobin's is used for measure Firm performance. Hypotheses Test by multiple regression with control the determinants of firm performance is done by Panel Data. All firm accepted in period 1388 to 1392 has Statistical population. Finally, 103 companies that information was available, were selected as the sample was analyzed. The finding show that managerial ownership there is a significant positive correlation with firm performance, the finding also show that financial leverage has significant negative correlation with firm performance, also the finding show that audit quality Contains ( audit fee and audit tenure) has significant positive correlation with firm performance.

[Hossein behbahani, Karim rezvani raz. The impact of managerial ownership, financial leverage and audit quality on firm performance in Tehran stock exchange. N Y Sci J 2016;9(11):1-7]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 1. doi:10.7537/marsnys091116.01.

 

Key word: managerial ownership, financial leverage, audit fee, audit tenure, firm performance

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2

Development in the use of Nano Zero Valent Iron (NZVI) process for ground water remediation: A perspective

 

Claire Kim1

 

1Seoul International School, 388-14 Bokjeong-dong, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea

weclairekim@gmail.com

 

Abstract: The last ice age ended and modern human civilization begun around 7000 years ago and in these 7000 years we have seen some of the extreme transmutations in the environmental like rise in sea level, increase in global temperature, shrinking of ice sheets and ocean acidification. These extreme events clearly indicate that the emergence of mankind and the rapid development of civilization has become the greatest threat to the survival of our beloved planet. With the industrial revolution and advancement in technology, the use of synthetic products have become extremely handy. However, most of these products are non-biodegradable and very harmful to get rid off. This degrades our ecosystem and leads to pollution of natural resources, such as soil, water, and air. Though there has been much energy spent focusing attention toward the broader environmental and climate problems that plague the Earth today, issue specifically concerning the decontamination of water requires more attention.

[Claire Kim. Development in the use of Nano Zero Valent Iron (NZVI) process for ground water remediation: A perspective. N Y Sci J 2016;9(11):8-10]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 2. doi:10.7537/marsnys091116.02.

 

Keyword: Development;Nano; Zero Valent Iron (NZVI);ground water remediation;perspective.

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Assessment of Plutonium Isotopic Ratio Change for PWR Spent Fuel Relative to Average Power Level

Using ORIGEN-ARP Code

 

A.G. Mostafa 1*, A.A. Hamed 2 and M. Gad 2

 

1. Department of Physics, Faculty of science Al-Azhar University, Nasr City, Cairo, Egypt

2. Department of Nuclear Safeguard and Physical Protection, Egyptian Nuclear Radiological Regularity Authority (ENRRA), Nasr City, Cairo, Egypt

*drahmedgamal@yahoo.com

 

Abstract: A study was performed to determine the ratios between some Plutonium isotopes in spent fuel of PWR. These ratios could be used for safeguard applications in a nuclear reactor as forensic information, to determine the origin of an unknown nuclear waste and to verify the activities declared by the operator. Some parameters of the reactor could affect the ratio of plutonium isotopes. One of these parameters is the average power level of the reactor. In this work ORIGEN-ARP from SCALE 6.1 code was used for the assessment of the effect of the change in the average power level on the Plutonium isotopic ratio. The analysis of the obtained results revealed that the ratio of plutonium isotopes is not much affected by the average power level for burnup values above 20 GWd/tu.

[Mostafa AG, Hamed AA and Gad M. Assessment of Plutonium Isotopic Ratio Change for PWR Spent Fuel Relative to Average Power Level Using ORIGEN-ARP Code. N Y Sci J 2016;9(11):11-19]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 3. doi:10.7537/marsnys091116.03.

 

Keywords: Nuclear Safeguard Applications; Spent Fuel elements; ORIGEN-ARP Code; Plutonium Isotopic Ratio.

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4

Predicting Wood Conversion Efficiency in Illoabuchi Sawmill, Port Harcourt, Nigeria

 

Funmilayo Sarah Eguakun, Peace Nwankwo

 

Department of Forestry and Wildlife Management, University of Port Harcourt

funmilayo.popo-ola@uniport.edu.ng

 

Abstract: Lumber which is a processed wood is usually available in hardwood and readily available in soft wood species. Nigeria was very rich in forest resources but now wood supply status has declined greatly as a result of over exploitation and inadequate conversion process of the wood resources in many sawmills. In order to reduce the volume of wood wastes in the conversion process, there is need for an intensive research which focuses on wood conversion efficiency. The study was conducted to develop wood conversion efficiency predicting equation for sawmills in Illoabuchi, Rivers State. Five sawmills were randomly selected and two species were evaluated for the study. The results shows that the kind of wood species used for the study have no direct significant impact on lumber recovery obtained during log conversion but log characteristics such as diameter at the middle and log taper significantly influence lumber volume recovery.  The significant influence of log characteristics on lumber recovery confirms that the shape of the log influences the amount of lumber recovered, lumber recovery percentage decreases with an increase in log taper. Furthermore, from this study using statistical models, it is observed that power model alone could be used to accurately predict lumber volume recovery from log characteristics. The findings have shown that the knowledge of log characteristics influence on lumber recovery is important in waste reduction in sawmill which in turns have provided valuable information that could enhance efficiency in lumber recovery process.

[Eguakun, F.S., Nwankwo P. Predicting Wood Conversion Efficiency in Illoabuchi Sawmill, Port Harcourt, Nigeria. N Y Sci J 2016;9(11):20-26]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 4. doi: 10.7537/marsnys091116.04.

 

Key words: Correlate, lumber, model, recovery factor, waste.

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5

Growth and reproductive parameters of Polypterus senegalus Cuvier 1829 in Eleiyele Lake

 

Adedolapo Abeke Ayoade and Juliet Avwesuruo Akponine

 

Department of Zoology, University of Ibadan, Oyo State, Nigeria.

*Corresponding author E-mail: kenpeadobece@gmail.com

Phone Number: +234-8033855807

 

Abstract: The Senegal bichir, Polypterus senegalus Cuvier 1829 is of commercial importance as food and ornamental fish. This study describes the growth pattern and aspects of reproductive biology for the species in the Eleyele Lake, Nigeria. One hundred and twenty nine specimens were collected from October, 2010 to April, 2011. For each individual, the total length, standard length and body weight were measured also aspects of reproductive biology (gonadosomatic index, fecundity, egg diameter) were determined. All the LWRs showed strong correlations (r> 0.75, p>0.05). The b value obtained varies with body size and higher value was recorded for the smaller size group. The mean K for the combined sexes was 0.536 0.007. Absolute fecundity ranged between 622 (for specimen with TL = 16.4 cm; total weight = 21.61 g) and 2593 eggs (for specimen with TL = 27.7 cm; total weight = 120.62 g). The frequency polygons of the egg diameter suggest the species is a multiple spawner.

[Adedolapo Abeke Ayoade and Juliet Avwesuruo Akponine. Growth and reproductive parameters of Polypterus senegalus Cuvier 1829 in Eleiyele Lake. N Y Sci J 2016;9(11):27-31]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 5. doi:10.7537/marsnys091116.05.

 

Key word: Condition factor, Egg diameter, Eleyele Lake, Gonadosomatic index, Length weight relationship.

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Attitude of Secondary School Teachers in Relation to Gender and Rural Urban Dichotomy

 

Hafiz Mudasir1, Dr. M. Y Ganai2, Dr. B.V Ramana Rao3

 

Ph.D Research Scholar, Department of Education, Dr. C.V Raman University

Associate Professor, Department of Education, University of Kashmir

Assistant Professor, Govt. College of Education (IASE), Bilaspur

 

Abstract: The present study was conducted to examine the attitude of teachers at secondary level of education. The sample for the present study consists of 600 teachers which were chosen from various Secondary Schools of Srinagar District, J&K. Teacher Attitude Inventory (TAI) developed by Dr. S.P Ahluwalia having six subscales was administered to the sample subjects with the purpose of collecting the data. The investigator used the most acceptable and widely used statistical techniques to analyze and interpret the data which includes mean, S.D and t-test. The results revealed that male teachers have better and favorable attitude towards teaching profession and its allied aspects. Furthermore, the results also revealed that urban teachers had more favorable professional attitude towards teaching than rural teachers.

[Hafiz Mudasir, M. Y Ganai, B.V Ramana Rao. Attitude of Secondary School Teachers in Relation to Gender and Rural Urban Dichotomy. N Y Sci J 2016;9(11):32-39]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 6. doi:10.7537/marsnys091116.06.

 

Keywords: Attitude; Secondary teachers; Teacher Attitude Inventory; Teaching profession.

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7

Modelling the Influence of Relative Humidity on Photosynthetically Active Radiation from Global Horizontal Irradiation in Six Tropical Ecological Zones in Nigeria

 

Nwokolo Chukwujindu Samuel 1, Ogbulezie C. Julie 1, Toge Christal 2, John-Jaja Alwell Syvia 3

 

1. Department of Calabar, Faculty of Science, University of Calabar, Nigeria

2. Department of Botany, Faculty of Science, University of Ibadan, Ibadan, Nigeria

3 Department of Animal Science, Faculty of Agriculture, Babcock University, Ilisha-Remo, Nigeria

nwokolosc@stud.unical.edu.ng

 

Abstract: In this study, modelling the influence of relative humidity on photosynthetically active radiation (PAR) from global horizontal irradiation (GHI) in six tropical ecological zones in Nigeria (Latitude 4.75-13.067oN and Longitude 3.333-13.16oE) using 22-year data (July 1983- June 2005) was analysed. The evaluated values of the PAR clearness index indicates that the prevailing sky condition in the Southern tropical zones is partly overcast while the Northern tropical zones experienced clear sky condition. The annual relative humidity reveals that Port Harcourt, Owerri, Ikeja and Abuja are heavily overcast whereas Maiduguri and Sokoto are partly overcast. From the analyses of the influence of relative humidity on PAR clearness, it was observed that the absorption of GHI in the near infrared (NIR) portion of the solar spectrum is greatly enhanced in the Southern tropical zones as a result of high relative humidity and prolonged rainfall thereby reducing PAR parameters in the zone compare to the Northern tropical zones. The quadratic regression correlation model developed deeming from the model performance test indicates that the proposed model could be used to estimate PAR accurately when the annual relative humidity is greater 64% in the six tropical ecological zones in Nigeria and other locations with comparable sky condition to Nigeria.

[Nwokolo Chukwujindu Samuel, Ogbulezie C. Julie, Toge Christal, John-Jaja Alwell Syvia. Modelling the Influence of Relative Humidity on Photosynthetically Active Radiation from Global Horizontal Irradiation in Six Tropical Ecological Zones in Nigeria. N Y Sci J 2016;9(11):40-55]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 7 doi:10.7537/marsnys091116.07.

 

Keywords: Equatorial line; Ecological modelling; Radiometric fluxes; PAR irradiation; Tropics; Global Horizontal Irradiation.

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8

Solid Waste Management in Dev Sanskriti University, Shantikunj, Haridwar, India

 

Sushil Bhadula, Sudhanshu Kaushik and Pragya Sahu

 

Department of Environmental Science, Dev Sanskriti University, Haridwar

sushil.bhadula@dsvv.ac.in, sushil86.ntl@gmail.com

 

Abstract: This study is focused on Solid waste management in Dev Sanskriti University, Haridwar during the year April, 2014 to March 2015. During the present study four residential bhawans (buildings) namely: Kanva Bhawan, Shaunak Bhawan, Sandeepani Bhawan and Agastya Bhawan of Dev Sanskriti University were selected to know the present status of solid waste generation and management in University campus. Biodegradable and non-biodegradable waste was weighed and their composition was recorded. It was observed that highest mean value of biodegradable waste was recorded 690 Kg during the month of August at site-IV i.e. Agastya Bhawan and lowest mean value of biodegradable was found 310 Kg during the month of December at site-I i.e. Kanva Bhawan. Highest mean value of non- biodegradable waste was recorded 136 Kg during the month of August at site-IV i.e. Agastya Bhawan and lowest mean value of non-biodegradable was found 86 Kg during the month of December at site-I i.e. Kanva Bhawan. It was observed that solid waste management in Dev Sanskriti University is in proper manner and this University may as a training center for solid waste management. During our observation, it was found that most of the Solid waste reused, reduced and recycled in proper manner. Solid waste is also used for formation of biofertilizers, vermicompost, green manure, papers, folders, envelops etc. therefore solid waste is also great source of employment and income. It was observed that attitude and mindset of people and system of university play very important role in management of solid waste.

[Sushil Bhadula, Sudhanshu Kaushik and Pragya Sahu. Solid Waste Management in Dev Sanskriti University, Shantikunj, Haridwar, India. N Y Sci J 2016;9(11):56-61]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 8. doi:10.7537/marsnys091116.08.

 

Key words: Solid waste Management, Awareness, Social organization.

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9

New player in the market: Magnetic Nanoparticles as contrast agent for Magnetic Resonance Imaging

 

Taekwon Kong

 

The Hill School, 860 Beech St, Pottstown, PA 19464 The United States of America

tkong@thehill.org

 

Abstract: Climate has changed considerably in the last decade, which has drastically affected the quality of life. Several biological entities like viruses, bacteria, protozoa and multicellular parasites pose continues threat to humans and other mammals due to change in the climate. Many prevalent human infections including malaria, dengue fever and cholera are climate sensitive. Significant efforts have been made to counter these effects and improve the quality of life in past few years. According to the United Nations sustainable development goals, there has been a significant reduction in the number of people infected with HIV, malaria and tuberculosis in past few years. New HIV infections have reduced by 38% in the year 2013. Also the global malaria incidence rate has fallen by 37%. The improved quality of life is a direct result of development of new technology in the form of mobile applications, sensitive diagnostic tools and better treatments.

[Taekwon Kong. New player in the market: Magnetic Nanoparticles as contrast agent for Magnetic Resonance Imaging. N Y Sci J 2016;9(11):62-64]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 9. doi:10.7537/marsnys091116.09.

 

Keywords: New player, market, Magnetic Nanoparticles, agent, Magnetic Resonance Imaging.

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10

Introduction of Intelligent technology for generation of electricity as source of energy for next generation

 

Joshua Kim

 

Seoul International School, 388-14 Bokjeong-dong, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea

joshua.kim17@stu.siskorea.org

 

Abstract: In the late 19th century, extensive research by many physicists and chemists like Alexander Graham Bell, Thomas Edison, Galileo Ferraris, William Thomson, Joseph Swam and Nikola Tesla, have strengthen the concept of electricity as an essential tool for modern life. This rapidly let to Second Industrial Revolution, where industries ranging from iron, steel, chemical, maritime automobiles and many other started depending on electricity as primary source of power. Thus, electricity soon became an indispensable part of economic growth by powering every realm of life like business, medicine, education, agriculture, infrastructure and communication. Moreover, human and economic growth depended heavily on energy supplies and transformation systems that can generate inexhaustible amounts of electricity. However, our economic and social growth is under constant pressure due to constraints on methods of electricity production. Therefore, there is a need for extensive research, development and implementation to uncover the newer ways of sustainable electrical power generation. Here, we discuss various constraints and requirement for better resources and research and development for making clean and affordable source of energy by investigating the power of next generation wind turbines.

[Joshua Kim. Introduction of Intelligent technology for generation of electricity as source of energy for next generation. N Y Sci J 2016;9(11):65-68]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 10. doi:10.7537/marsnys091116.10.

 

Keywords: Intelligent technology, generation of electricity, source of energy, next generation.

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Effect of Study Skills and Academic Stress on Under-Graduate Nursing Students' Academic Achievement

 

Nahed Shawkat Abo-El-Magd1and Nahed Thabet Mohamed2

 

1Assistant Professor of Nursing Administration, Faculty of Nursing, Assiut University, Egypt

2 Lecturer of Pediatric Nursing, Faculty of Nursing, Assiut University, Egypt.

Correspondence E-Mail: nahedaboelmagd@yahoo.com.

 

Abstract: Objective: The purpose of the present study was to investigate the effect of study skills and academic stress on under-graduate nursing students' academic achievement. Subjects & method: A descriptive research design was used. This study was conducted at the Faculty of Nursing, Assiut University. The study sample involved (400) undergraduate nursing students, one hundred from each academic year who were assessed for academic stress and study skills. Systemic random sampling was used for selection of the study subjects. Three tools were used: Tool I: Socio-demographic Profile Sheet, Tool II: Study Skills Assessment Questionnaire, Tool III: Perceived Stress Scale. Results: Students were good as regards all study skills items except for time management & procrastination, and writing. More than two thirds of the studied students had a moderate level of stress. Academic stress is higher in senior and female students. There was a negative correlation between students' stress and their study skills. There were statistically significant relations between academic achievement, study skills and stress level of the studied students. Conclusion: there were statistically significant relations between academic achievement, study skills and stress level of the studied students. Recommendation: A study skills training intervention could be a reliable intervention to combat students' academic stress.

[NahedShawkat Abo-El-Magdand NahedThabetMohamed. Effect of Study Skills and Academic Stress on Under-Graduate Nursing Students' Academic Achievement. N Y Sci J 2016;9(11):69-78]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 11. doi:10.7537/marsnys091116.11.

 

Keywords: Study Skills, Academic Stress, Academic achievement, Nursing Students.

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Time and Moisture Dependent Mechanical Properties of Freshly Harvested Cassava (Manihot esculenta) Tubers

 

Jaiyeoba, Kehinde F.1, Fadele, N. T.2, Adegbokan, O. B.2, Aremu, David O.2, and Ogunlade, Clement A.3

 

1. Department of Agricultural Engineering, Adeleke University, Ede, Osun State. Nigeria

2. Department of Agricultural Engineering, Federal College of Agriculture, Moor Plantation, Ibadan, Nigeria.

jaiyeoba_k2007@yahoo.com

 

Abstract: Cassava is extensively cultivated as annual crop in tropical and subtropical regions for its edible starchy tuberous root, it is a major source of carbohydrates. It pounds food security during conflicts when the invader cannot easily destroy or remove the crop, since it conveniently grows underground. The objective of the project was to determine the mechanical properties of freshly harvested cassava tubers as affected by time and moisture content. The mechanical properties determined using Universal testing machine include tensile strength, compressive strength, compressive load at maximum compressive stress and thickness all determined at an interval of three days and duration of five times for 4 locally grown cassava tubers (odogbo, ita, idileru and oko iyawo) in Nigeria. Result showed that there was significant different in the level of moisture, time duration and varieties of the freshly harvested cassava at 5% probability level using Duncan Multiple Range Test. Idileru variety has the highest percent moisture content at the fifth week (77.74a) while Odogbo variety has the highest compressive strain at maximum compressive 1.60a.

[Jaiyeoba, K. F., Fadele, N. T., Adegbokan, O. B., Aremu, D. O., Ogunlade, C. A. Time and Moisture Dependent Mechanical Properties of Freshly Harvested Cassava (Manihot esculenta) Tubers. N Y Sci J 2016;9(11):79-84]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 12. doi:10.7537/marsnys091116.12.

 

Keywords: Cassava tubers, time, moisture content, variety, mechanical properties

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Clean fuel production by deoxygenation of pure palmitic acid using Ni/Al2O3 catalyst.

 

H. M. El Sharkawy1, A. M. Rashad1, H. A. El sayed1, M. A. Ebiad1, A. H. Tantawy2, K. A. Hebash2, S. M. El sabagh1, A. R. Taman 1

 

1Petroleum Research Institute, Cairo, Egypt

2Chemistry Department, Faculty of Science, Benha University, Egypt

h_magdy54@yahoo.com

 

Abstract: Removal of oxygen from fatty acid in the form CO2 and CO to produce diesel like hydrocarbon (green diesel) was proceeded via catalytic deoxygenation process through decarboxylation and decarbonylation reaction. This reaction was studied over non noble metal catalysts 20wt%Ni/Al2O3 and performed in batch reactor system (autoclave) by using pure palmitic acid, n-hexane as a solvent and 200psi pressure. The effect of different atmospheres (pure hydrogen, pure nitrogen, and mixture of 50 psiH2/150psiN2) and different temperature range (3000C-3500C) under a mixed atmosphere (50 psiH2/150psiN2) were studied in this paper. The main product was n-pentadecane (C15) which the catalyst Ni/Al2O3 has lower cracking selectivity to light hydrocarbons. The results indicated that as the temperature increases the total conversion and the selectivity for (C15) increase to (99.61%) and (85.54%) respectively which the presence of hydrogen in atmosphere gas improved catalytic performance. so the catalyst displayed high activity and operation selectivity. Analysis of liquid products by gas chromatography (GC) was used to determine n-alkane (C15) yield and other products (isomeres, olefins and dimers). The catalyst 20wt%Ni/Al2O3 with surface area (236.376 m2/g) was prepared using deposition precipitation method and the characteristics of the catalyst were investigated.

[H. M. El Sharkawy, A. M. Rashad, H. A. El sayed, M. A. Ebiad, A. H. Tantawy, K. A. Hebash, S. M. El sabagh, A. R. Taman. Clean fuel production by deoxygenation of pure palmitic acid using Ni/Al2O3 catalyst. N Y Sci J 2016;9(11):85-95]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 13. doi:10.7537/marsnys091116.13.

 

Keywords: Fatty acids, Catalytic deoxygenation, Ni catalysts, Green diesel.

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The impact of the type of Growth and Value Stocks on the relationship between the tax and capital structure in listed companies in the Tehran Stock Exchange

 

Fahimeh hatam pour1*, Ghasem rekabdar2**

 

*1Department of Accounting, Persian Gulf International Branch, Islamic Azad university, khorramshahr, iran

**2Department of Accounting, Abadan Branch, Islamic Azad university, Abadan, iran

 

Abstract: The aim of this study was to investigate the role of firm size mediator in the relationship between liquidity & fixed investments within the company is listed on the Tehran Stock Exchange. This study is applied and descriptive and correlation. The population is all of the firms listed in the Tehran Stock Exchange between the years 2008 to 2014. The sample includes 253 Co. was selected using systematic elimination. The data collected in the library and mining documents two methods were used. The statistical model, the regression model is used to identify factors were used, among other factors. The data were calculated using Excel software were analyzed by Eviews software. The findings show that the level of liquidity have a positive effect on investment in fixed assets of companies listed on the Tehran Stock Exchange. As well as the negative impact on liquidity level of investment in fixed assets depending on the size of companies listed on Tehran Stock Exchange is different to 5 present significant level.

[Fahimeh hatam pour, Ghasem rekabdar. The impact of the type of Growth and Value Stocks on the relationship between the tax and capital structure in listed companies in the Tehran Stock Exchange. N Y Sci J 2016;9(11):96-101]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 14. doi:10.7537/marsnys091116.14.

 

Keywords: impact; growth; Value Stock; tax; capital structure; Stock Exchange

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Correlation between Different Trichoscopic Criteria and Aetiological Agents of Tinea Capitis

 

Emad Eldin A EL-Gama1; Hoda A Moneib2; Mohammed D EL-Hariri3; Ahmed M.I. Atya1

 

1Dermatology Department, Faculty of Medicine, Al-Azhar University (Damietta), Egypt

2 Dermatology Department, Faculty of Medicine, Ain Shams, University, Egypt

3 Dermatology Department, Faculty of Medicine, Al-Azhar University (Cairo). Egypt

ahmedatya1988@yahoo.com

 

Abstract: Background: Tineacapitis is a scalp infection caused by fungi. In Egypt, the main causative agents are Microsporumcanis and the Trichophytonviolacum. Etiological diagnosis is based on suggestive clinical findings and confirmation depends on the fungus growth in culture. However, it is not always possible to perform this test due to lack of availability. We reveal the dermoscopic findings that enable distinction between the main causative agents of Tineacapitis, M. canis and T. violacum. The association of clinical and dermatoscopic findings in suspected Tineacapitis cases may help with the differential diagnosis of the etiological agent, making feasible the precocious, specific treatment. Objective: tostudy thecorrelationbetween different trichoscopic criteria and aetiological agents in tineacapitis. Patients and methods: 30 child were included in this study. Each child was subjected to: 1) Careful history taking, 2) Clinical examination, 3). Dermoscopicexamination, and 4) Fungal culture on sabouraud agar. Results: There was statistically significantcorrelation between different trichoscopic criteria and aetiological agents in tineacapitis. Corkscrew hairs, comma-shaped hairs, zigzag shaped hair and morse code like hairs were seen by dermoscopic examination of tineacapitis caused by T violavum, Mcanis, T mentagrophytes and M auduinii respectively.

[EmadEldin A EL-Gama; Hoda A Moneib; Mohammed D EL-Hariri; Ahmed M.I. Atya. Correlation Between Different Trichoscopic Criteria And Aetiological Agents Of Tinea Capitis. N Y Sci J 2016;9(11):102-108]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 15. doi:10.7537/marsnys091116.15.

 

Keywords: Trichoscopy; TineacapitisEtiological diagnosis

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The manuscripts in this issue were presented as online first for peer-review, starting from November 2, 2016. 

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