نتایج جستجو برای: respectively and sperm viability 5870 and 6460

تعداد نتایج: 16839623  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1389

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1394

the present research was an attempt to see how quranic lexical collocations were translated into english by two professional translators namely, abdullah yusuf(2005), and muhammad s. shakir(2012). the study attempted qualitatively to shed light on how translators dealt with quranic lexical collocations when transferring them to the target language based on the newmark(1988) model , and quantit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده شیمی 1392

چکیده در بخش اول این پروژه دو روش میکرواستخخرا به نامهای میکرواسخخرا امولسیونی با کمک اموا فراصتتتو 1 و میکرواستتتخخرا مای – مای با کمک هوا 2 ، به عنوان دو روش میکرواستتتخخرا بدون حلال پخشکننده 3 ، برای اسخخرا برخی هیتدروکربتنهای آروماتیتک حلقوی 4 از نمونتههای آبتی بهکار گرفخه و پارامخرهای موثری همچون نوع حلال اسختتتتخرا کننده، حجم حلال اسخخرا کننده، میزان نمک، زمان تابش اموا فراصتو ، تددا...

Journal: :veterinary research forum 2012
mahdi eghbali sayed mortaza alavi-shoushtari siamak asri-rezaei mohammad-hassan khadem ansari

in order to determine iron and lead content of seminal plasma in water buffalo and to study their associations with the semen characteristics, 54 semen samples were collected from 10 buffalo bulls. the semen characteristics were evaluated; its iron and lead content were estimated by atomic absorption spectrophotometer. the iron and lead content of the seminal plasma (mean ± sem) was recorded as...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

Journal: :international journal of reproductive biomedicine 0
farzaneh eskandari hamid reza momeni

background: sodium arsenite can impair male reproductive function by inducing oxidative stress. silymarin is known as a potent antioxidant.objective: this study was performed to investigate if silymarin can prevent the adverse effect of sodium arsenite on ram sperm viability, motility and mitochondrial membrane potential.materials and methods: epidydimal spermatozoa obtained from ram were divid...

Introdution: Considering the importance of sperm parameters in fertility rate, the objective of this study was to evaluate the effect of hydro-alcoholic broccoli extract on sperm parameters before and after freezing in male mice. Methods: In this experimental study, 28 male NMRI mice were divided into four groups of seven. Control group have not received any treatment, while the first, second,...

Journal: :iranian biomedical journal 0
محمد علی خلیلی mohammad ali khalili فرزانه میر رکنی farzaneh mir-rokni سید مهدی کلانتر seyyed mehdi kalantar

fresh semen obtained from infertile men occasionally exhibits the total absence of motile sperm (100%asthenozoospermia). vitality tests may reveal that a proportion of the immotile sperm has functional membranes, which are considered viable. an easy test for the prior determination of sperm viability may assist in sperm selection for the microinjection of oocytes. the main objective of this stu...

Malekinejad H Moshtagion SM Razi M, Sadrkhanloo RA

Background: Varicocele has been repeatedly implicated as a cause of infertility in selected men. Previous studies have showed high levels of seminal oxidative stress, as evidenced by increased levels of ROS and reduced total antioxidant capacity in varicocele men, suggesting that sperm dysfunction in varicocele patients may be partly related to oxidative stress. Thus current study was designed ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

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