نتایج جستجو برای: physiological and biochemical methods
تعداد نتایج: 16928174 فیلتر نتایج به سال:
Chlordimeform is a relatively new acaricide/insecticide, whose mode of action we have investigated. It appears to interfere with amine-mediated control of nervous and endocrine systems in a variety of ways. Specifically, chlordimeform causes a build-up of the amines 5-hydroxytryptamine and to a lesser extent norepinephrine in the rat brain in vivo, antagonizes the in vivo action of reserpine in...
The h i s t o r y of k a l l i k r e i n begins w i t h the d i s c o v e r y of u r i n a r y k a l l i k r e i n more than f i f t y years ago. The r e n a l o r i g i n of u r i n a r y k a l l i k r e i n , though not f i n a l l y proved, i s l a r g e l y accepted. A p o s s i b l e r o l e of k a l l i k r e i n i n the r e g u l a t i o n of kidney f u n c t i o n and blood pressure has...
abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...
چکیده : تحقیق حاضر به منظور مقایسه دو روش تدریس انتزاعی و تدریس در متن بر یادگیری دستور زبان ایتالیاییِ زبان آموزان ترم 1 مدرسه ایتالیایی تهران در تابستان 89 صورت گرفت. روش تحقیق آزمایشی بوده و پژوهش بر 30 نفر از زبان آموزان مدرسه ایتالیایی تهران که بصورت تصادفی به 2 گروه جایگزین شدند صورت گرفت. ابزار تحقیق آزمون 30 سوالی تستی از بانک سوالات استاندارد شده بود که به تصادف انتخاب شده بودند.روشهای...
Recent studies have shown that silver is no longer restricted to just being found in soil and natural waters. The metal and its various forms are used in medicine as nanoparticles for various applications. After assimilating and reviewing a considerable volume of literature, it can be safely stated that silver displays different extents of bioaccumulation depending on the ecosystem involved. Aq...
The traditional phenotypic tests are commonly used in actinobacterial identifica‐ tion. They constitute the basis for the formal description of taxa, from species and subspecies up to genus and family. The classical phenotypic characteristics of acti‐ nobacteria comprise morphological, physiological, and biochemical features. The morphology of actinobacteria includes both cellular and colonial ...
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