نتایج جستجو برای: ab

تعداد نتایج: 43131  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده کشاورزی 1392

بیماری پیچیدگی بوته چغندرقند توسط چند گونه ویروس از جنس curtovirus ایجاد می شود. تاکنون دو گونه beet curly top iran virus و beet severe curly top virus به عنوان عوامل این بیماری از ایران گزارش شده اند. علاوه بر چغندرقند، گوجه فرنگی و فلفل هم از مهم ترین میزبان های اقتصادی این دو گونه کرتوویروس در ایران محسوب می شوند. بیماری پیچیدگی برگ زرد گوجه فرنگی نیز یکی از مهم ترین بیماری های ویروسی گوجه ف...

2018
Yu Wang Yi-Xin He Tian-Tian Diao Shi-Yao Wei Wen-Rui Qi Cen-Cen Wang Shu-Min Song Min Bi Chun-Mei Li Cai-Xia Zhang Yan-Pei Hou Qiu-Ju Wei Bing Li

Since urine samples more directly reflect kidney alterations and damage than blood samples, we investigated whether urine anti-PLA2R antibody (uPLA2R-Ab) could be utilized similarly to serum anti-PLA2R antibody (sPLA2R-Ab) as a noninvasive biomarker of idiopathic membranous nephropathy (IMN). In this study, we performed a qualitative analysis using an indirect immunofluorescence test (IIFT) and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده تربیت بدنی 1389

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Suppose $G$ is a finite group, $A$ and $B$ are conjugacy classes of $G$ and $eta(AB)$ denotes the number of conjugacy classes contained in $AB$. The set of all $eta(AB)$ such that $A, B$ run over conjugacy classes of $G$ is denoted by $eta(G)$.The aim of this paper is to compute $eta(G)$, $G in { D_{2n}, T_{4n}, U_{6n}, V_{8n}, SD_{8n}}$ or $G$ is a decomposable group of order $2pq$, a group of...

Journal: :iranian chemical communication 2014
reza behjatmanesh negin safaeian

: in this work, different levels of theory containing hf, b3lyp, and mp2 with different basis sets such as 6-31g, 6-31g*, 6-311g, 6-311+g, 6-31+g*, 6-31+g are used to predict relative acidity constants of some aniline derivatives. three different kinds of radii containing uahf, bondi, and pauling are used to study how cavity forms change acidity constants. in all cases, dpcm model is used to si...

Journal: :international journal of nano dimension 0
mehrnoosh khaleghian department of chemistry, islamshahr branch, islamic azad university, tehran, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) fatemeh azarakhshi department of chemistry, varamin-pishva branch, islamic azad university, varamin, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch)

in this study, b12n12 nano ring has been selected because it consist of four 6-side rings and polar bonds b-n which in comparison with non-polar bonds c-c, is more suitable for the study of the absorption of other compounds. so reactivity and stability of benzene alone and in the presence b12n12 nano ring field checked. to determine the non-bonded interaction energies between benzene and b12n12...

Journal: :journal of physical & theoretical chemistry 2008
s. abedini khorrami sh. moradi p. aberomand azar e. pournamdari

the intermolecular forces between water molecules are of great importance in many areas of chemistry including solvation, solution chemistry, and biochemistry. as a result of this (h2o)n systems have received a great significant of attention, both experimental and theoretical. all calculation of this study are carried out by gaussian 98 soft ware. geometry optimization for each cluster were be ...

Journal: :journal of physical and theoretical chemistry 0
mehrnoosh khaleghian department of chemistry, islamshahr branch, islamic azad university, islamshahr, iran fatemeh azarakhshi department of chemistry, varamin-pishva branch, islamic azad university, varamin, iran masoome sheikhi department of chemistry, gorgan branch, islamic azad university, gorgan, iran

to investigate non-bonded interaction of phenanthrene and bn nanostructure, geometric structure of phenanthrene and b12n12 nano-ring with b3lyp method and 6-31g* basis set are optimized by using ab initio gaussian quantum chemical package. the main purpose of this study was to evaluate changes of electronic properties of aromatic compound in presences nano ring field. therefore reactivity and s...

Journal: :نشریه پرستاری ایران 0
افتخارالسادات حاجی کاظمی es hajikazemi

one of the most serious kinds of hepatitis is hepatitis b. this condition is more common than aids, and is 100 time more contagious. in iran the most common cause of acute and chronic hepatitis, liver cirrhosis, and also hepatocellar carcinoma in adults, is hepatitis b. more than two billion people are infected and more than 350 million of individuals are carriers of this virus in the entire wo...

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