نتایج جستجو برای: تجزیه ی cs
تعداد نتایج: 228906 فیلتر نتایج به سال:
Cesium radioactive isotopes (134Cs and 137Cs) are dangerous to human health due to their long half-life and high solubility in water. Nuclear experiments, wars, and nuclear plant accidents have been the main sources of Cs release into the environment. In recent years, several methods have been introduced for the elimination of Cs radioactive isotopes from contaminated wate...
کادمیم یکی از فلزات سنگین تجزیهناپذیر و بسیار سمّی است که از منابع مختلف وارد محیطهای آبی میشود. دستیابی به ذخایر آب پاک و سالم مستلزم در نظر گرفتن تمهیداتی برای حذف کادمیم از پسابها، پیش از تخلیه در محیط زیست است. در این پژوهش، نانوکامپوزیت مغناطیسی NiFe2O4-CS با واکنش ایجاد اتصال عرضی میان کیتوزان و نانوذرات نیکل فریت (</stron...
background & aim: cesarean section (cs) rates have been increasing steadily, worldwide. the knowledge and attitude of health professionals towards natural childbirth and cs are important factors in selecting a mode of delivery. the purpose of this study was to determine the knowledge and attitude of midwifery and nursing students towards different modes of delivery. methods:in this descriptive,...
a 42-day study was conducted to evaluate the influence of full-fat flaxseed (fs) and canola seed (cs) on broiler performance, fatty acid (fa) profile of meat, serum lipid content and antibody response to sheep red blood cells antigen (srbc). a total of 324 one-day-old chicks were attributed to 6 experimental groups. c: control (soybean-corn); cs1:7.5% cs; cs2:15% cs; cs-fs:10% fs + 10% cs; fs1:...
In this paper certain injectivity conditions in terms of extensions of monomorphisms are considered. In particular, it is proved that a ring R is a quasi-Frobenius ring if and only if every monomorphism from any essential right ideal of RR into R (N) R can be extended to RR. Also, known results on pseudo-injective modules are extended. Dinh raised the question if a pseudo-injective CS module is...
The k-median problem is a variant of the uncapacitated facility location problem that we covered last week, with the difference that instead of a cost for each facility, we have a bound k on the number of facilities. Here is the definition of k-median problem: Problem 1. Given a set of locations(clients) V , a set F̃ of facilities, a cost function between two locations C : (V ⋃ F̃ ) ∗ (V ⋃ F̃ ) → ...
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