نتایج جستجو برای: jacobsons trace form
تعداد نتایج: 754003 فیلتر نتایج به سال:
hemodialysis is being implicated in the development of metabolic disturbances, as complications have been observed and the role of trace metals in their development has been questioned. in 78 renal failure patients who underwent hemodialysis, serum levels of zinc and copper were determined before and after first hemodialysis. acute and chronic renal failure patients were found to have lower ser...
in this paper we study triangularization of collections of matrices whose entries come from a finite-dimensional division ring. first, we give a generalization of guralnick's theorem to the case of finite-dimensional division rings and then we show that in this case the reduced trace function is a suitable alternative for trace function by presenting two triangularization results. the firs...
Dietary trace mineral sources and levels were fed to developing gilts to evaluate their performance responses during the growth phase, but treatments were continued into the reproductive phase in which subsequent reproductive responses were evaluated. In Exp. 1, three groups of gilts (n = 216) were used in a 2 x 2 factorial in a randomized complete block design (6 replicates) with treatment die...
Formation of normal olfactory memory requires the expression of the wild-type amnesiac gene in the dorsal paired medial (DPM) neurons. Imaging the activity in the processes of DPM neurons revealed that the neurons respond when the fly is stimulated with electric shock or with any odor that was tested. Pairing odor and electric-shock stimulation increases odor-evoked calcium signals and synaptic...
This paper considers the derivation of the p.d.f. of the trace of a non-central multivariate quadratic form using a polynomial P (T,A) defined by Ie the author and compares with the results of Katz et al and Ruben. The come plex case is also discussed.
Electrophysiological recording of neuronal unit activity during paired training trials from various regions of the ipsilateral cerebellum in rabbits well trained in the classically conditioned eyelid/nictitating membrane response have revealed both stimulus-evoked responses and responses that form an amplitude/temporal model of the learned behavioral response. Ablation of the ipsilateral, later...
Objectives were to determine if supplemental trace mineral levels and/or forms (sulfate and metal amino acid complexes) influence age at puberty, semen quality, endocrine status, and scrotal circumference in peripubertal bulls. Fifty peripubertal bulls were blocked by age and scrotal circumference and assigned to one of five treatments: (1) 1x sulfate form (1S); (2) 1x complexed form (1C); (3) ...
nakhlak lead mine is located at the nakhlak mountain 55 km ne of anarak town in isfahan province. the mineralogy is simple; galena and barite are the main primary minerals and cerussite is the main secondary mineral. sphalerite, pyrite, chalcopyrite, tetrahedrite-tennantite and acanthite occur as minor and trace mineral inclusions in galena. secondary minerals are anglesite, plattnerite, wulfen...
The generative revolution in linguistics, started in the 1950s, culminated around 1980, when it was demonstrated that “rules of grammar” were not construction-specific, as had been believed since Antiquity, but following from the interactions of various constructionindependent principles. Perhaps most important among those principles were the locality principles, with such well-known highlights...
غربالگری، جداسازی و بررسی خصوصیات بیوشیمیایی آنزیم کیتیناز مقاوم به دما حاصل از باکتری های بومی کشور
کیتین n(c8h13o5n ) دومین پلیمر مهم از نظر فراوانی درجهان است. کیتین از پیش ساز فعالudp-n- acetylglucoseamine به وسیله آنزیم کیتین سینتاز، سنتز می شود. مقدار کیتین از سخت پوستان در کل محیط های دریایی 1560 میلیون تن تخمین زده شده است. اسکلت خارج سلولی سخت پوستان (پوسته خرچنگ، لابستر ومیگو) به طور متداول از اصلی ترین منابع زیستی کیتین می باشد. میکروارگانیسم ها اولین تجزیه کننده های کیتین در طبیعت ...
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