نتایج جستجو برای: since direct experimental evidence is not available

تعداد نتایج: 8602552  

مهر‌بان , دکتر داراب ,

ABSTRACT: Of the antisperm immunoglobulins ,only antisperm surface IgA an IgGs are significant clinically because many fertile men have antisperm antibodies present in their sera. Since the necessity of one form of sperm surface antisperm test(specific)is felt in our country,and Immunobead is not popular here for its high cost,Mixed Antiglobulin Reaction test was studied in a population of inf...

Journal: :international journal of reproductive biomedicine 0

background: spermatozoa cryopreservation is used for the management of infertility and some other medical conditions. the routinely applied cryopreservation technique depends on permeating cryoprotectants, whose toxic effects have raised the attention towards permeating cryoprotectants-free vitrification technique. objective: to compare between the application of slow cryopreservation and vitri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1399

this study aimed to investigate the effects of listening strategy training on iranian efl learners listening comprehension and use of such strategies. this work, employing an experimental methodology, was conducted among 60 adult efl learners from a language institute in isfahan, iran, as participants. the participants, who were selected based on the results of a placement test, were assigned t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1389

abstract: since sugar consumption is directly related to diabetes and other illnesses such as obesity, the issue that will most heavily dominate the health food market is blood sugar management and low glycemic foods. using calcium chloride and gums such as sodium alginate and low ester pectin as thikener and a high-potency sweetener aspartame we were able to reduce sugar content of sour cherry...

Journal: :Frontiers in tropical diseases 2023

Various arthropod vectors are responsible for the transmission of pathogens that cause serious diseases in humans. Some important transmitted by mosquitoes during blood-feeding, example well-known parasite causing malaria, and viruses-causing such as dengue, chikungunya, Zika virus fever. In contrast, very little is known about potential to transmit pathogenic bacteria. Hitherto, only a few bac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1389

the concepts of similarity and dissimilarity have been the interest of many researchers. basically, in the studies the similarity between two objects or phenomena, has been discussed. in this thesis, we consider the case when the resemblance or similarity among three objects or phenomena of a set, 3-similarity in our terminology, is desired. later we will extend our definitions and propos...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

the purpose of the research is to examine if integrating cooperative learning into vocabulary learning helps to increase word recognition of students in an elementary school in iran. it tries to investigate whether cooperative learning approach enables students to improve their language learning. this research used stad (students team achievement division) as a cooperative model in this study. ...

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