نتایج جستجو برای: neutral

تعداد نتایج: 83107  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

هدف از مطالعه حاضر بررسی بر هم کنش یک داروی ضد ویروسی بنام ریباویرین هم چنین کمپلکس پلاتین (ii) که حاوی این دارو می باشد است. این کمپلکس سنتز و توسط روشهای اسپکتروفتومتری، آنالیز عنصری و 1h nmr شناسایی شده است. نوع پیوند کمپلکس و دارو با dna توسط روشهای اسپکتروفتومتری، فلوریمتری، دورنگ نمائی چرخشی و ویسکوزیمتری بررسی شده است. افزایش این دارو و کمپلکس به محلول dna موجب کاهش شدت جذب در اسپکتروفت...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده کشاورزی 1390

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1394

learning english is very popular all over the world nowadays and it is considered a high prestigious language among citizens of different societies. one of the most important materials for learning a new language are textbooks. the debate that whether learning a new language is natural and neutral or ideological and influential on people’s worldviews, has always been of great importance.

Journal: :journal of dentistry, tehran university of medical sciences 0
sara tavassoli-hojjati assistant professor, department of pediatric dentistry, dental school, shahed university, tehran, iran. elham aliasghar dentist, department of pediatric dentistry, dental school, shahed university, tehran, iran. fatemeh ahmadian babaki assistant professor, department of pharmacology and medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran. fatemeh emadi assistant professor, department of pharmacology and medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran. maliheh parsa phd student, department of toxicology & pharmacology, faculty of pharmacy, tehran university of medical sciences, tehran, iran. shohreh tavajohi general technician, department of toxicology & pharmacology, faculty of pharmacy, tehran university of medical sciences, tehran, iran.

there is evidence indicating that pomegranate juice contains many of the essential properties necessary to retain cell viability and cell proliferation. these properties indicate that pomegranate juice is a suitable storage medium for avulsed teeth. however, this idea has not yet been tested. in this study, the capacity of pomegranate juice (pj) as a storage medium for retaining avulsed teeth w...

Journal: :iranian journal of psychiatry 0
ebrahim pishyareh institute for cognitive science studies (icss), tehran, iran. mehdi tehrani-doost javad mahmoodi-gharaie anahita khorrami mitra joudi mehrnoosh ahmadi

children with attention-deficit/hyperactivity disorder (adhd) react explosively and inappropriately to emotional stimuli. it could be hypothesized that these children have some impairment in attending to emotional cues. based on this hypothesis, we conducted this study to evaluate visual directions of children with adhd towards paired emotional scenes.thirty boys between the ages of 6 and 11 ye...

Journal: :caspian journal of mathematical sciences 2012
a. gokdogan m. merdan a. yildirim

in this article differential transformation method (dtms) has been used to solve neutral functional-differential equations with proportional delays. the method can simply be applied to many linear and nonlinear problems and is capable of reducing the size of computational work while still providing the series solution with fast convergence rate. exact solutions can also be obtained from the kno...

Journal: :Abstract and Applied Analysis 2011

Journal: :iranian journal of radiation research 0
f. pakniat department of radiology, school of paramedicine, shahid beheshti university of medical sciences, tehran, iran h. mozdarani department of medical genetics, faculty of medical sciences, tarbiat modares university, tehran, iran b. nasirian malek-ashtar university, tehran, iran f. faeghi department of radiology, school of paramedicine, shahid beheshti university of medical sciences, tehran, iran

background: ˝radioadaptive response˝ is well-documented phenomenon appeared in low dose ionizing radiation received in vitro and in vivo. occupational exposure has always been a great concern for radiation workers therefore this study was performed to study radioadaptive response in terms of residual dna double strand breaks as an endpoint in peripheral blood leukocytes of occupationally expose...

Journal: :caspian journal of mathematical sciences 0
a. gokdogan m. merdan a. yildirim

in this article differential transformation method (dtms) has been used to solve neutral functional-differential equations with proportional delays. the method can simply be applied to many linear and nonlinear problems and is capable of reducing the size of computational work while still providing the series solution with fast convergence rate. exact solutions can also be obtained from the kno...

Journal: :iranian journal of pharmaceutical research 0
parvaneh pakravan young researchers and eliteclub, zanjan branch, islamic azad university, zanjan, iran shahla masoudian department of chemistry, payame noor university, i.r. of iran

the interaction between isatin-β-thiosemicarbazone (ibt) and calf thymus dna (ct-dna) was investigated in physiological buffer (ph 7.4) using neutral red (nr) dye as a spectral probe by uv–vis absorption and fluorescence spectroscopy, as well as viscosity measurements. the ibt is stabilized by intercalation in the dna ( k [ibt –dna] =1.03×105 m−1), and displaces the nr dye from the nr–dna comple...

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