نتایج جستجو برای: physical and chemical quality

تعداد نتایج: 17006628  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده علوم اجتماعی 1392

this study aims to investigate value conflicts between mothers and their daughters among families and influential factors on this conflict in yazd city. this study adopted a survey method and a questionnaire was used that its validity through construct validity (factor analysis) and its reliability by cronbach alpha were measured. the population of this study consists of all yazdian families th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده هنر 1391

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی 1391

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

Journal: :iranian journal of health sciences 0
saeid mahdavi omran infectious diseases and tropical medicine research center, babol university of medical sciences, babol, iran ramazan rajabnia department of medical parasitology and mycology, school of medicine, babol university of medical sciences, babol, iran seyed mohammad bagher norozian amiri department of medical parasitology and mycology, school of medicine, babol university of medical sciences, babol, iran mohammad reza yousefi department of parasitology, school of veterinary medicine, babol branch, islamic azad university, babol, iran seyed javad moosavi department of medical parasitology and mycology, school of medicine, babol university of medical sciences, babol, iran mir masaud hosseini kiafarin industrial institute, babol, iran

abstract background and purpose: according to the reported problems in area of the inappropriateness of water quality which used for washing and staining of car apparatuses in a car factory, this research was carried out for identification of physical, chemical, and microbiological characteristics of the consumed water in babol car factory, iran. materials and methods: physical and chemical par...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1389

abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1392

in this thesis,spin dependend transport and electron transport through of ng/sg(graphene/ superconductor graphen) are studied in the junction of ng/fgt/sg. due to andreev reflection conductance increases in the presence of superconductor graphene.also, by applying a voltage gate on a superconductor, fermi level shifts and the conductance is independent of ferromagnatic substrate. also, the cond...

Journal: :journal of dental research, dental clinics, dental prospects 0
mehrdad lotfi negin ghasemi saeed rahimi sepideh vosoughhosseini mohammad ali saghiri atabak shahidi

bonding to dentin is a promising property, which can prevent leakage and improve the sealing ability of endodontic filling materials. resilon was developed and recommended initially because the existing root canal filling materials did not bond to root canal dentin. since its introduction in 2004, numerous reports have been published regarding various aspects of this material. this article aime...

Journal: :archives of trauma research 0
rajiv singh osborn neurorehabilitation unit, northern general hospital, uk; osborn neurorehabilitation unit, northern general hospital, uk. tel.: +44-114215651, fax: +44-1142715649 guruprasad venkateshwara osborn neurorehabilitation unit, northern general hospital, uk julie batterley osborn neurorehabilitation unit, northern general hospital, uk sarah bruce osborn neurorehabilitation unit, northern general hospital, uk

results in the first three years, the team managed the care of 812 admissions. mean age wasn 44.3 years (sd = 24.8) and mean length of hospital stay was 6.1 days (sd = 10.9). ofn these individuals, 674 attended for 6 month follow-up with 52.2% having a good outcomen on extended glasgow outcome score. patients and their relatives' feedbacks weren excellent with an average score of 4.7/5 on overa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1392

to teach english adequately, qualified teachers are needed. unfortunately, there are still teachers who are teaching english without an academic degree in tefl. it is necessary for teachers to have a major in english to have subject knowledge, but it is not sufficient. teachers need to have an understanding of the social, cultural, moral, ethical, and pedagogical issues of education and practic...

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