نتایج جستجو برای: specific factors

تعداد نتایج: 1989355  

Journal: :Canadian Journal of Cardiology 2014

2017
Geoffrey W. Hoffmann Reginald M. Gorczynski

The symmetrical immune network theory has been developed since 1975 and is based on the existence of specific T cell factors. The existence of specific T cell factors is controversial. We confirm the existence of these specific immune system components by demonstrating that a rigorous 1975 experiment by Takemori and Tada can be reproduced. We also briefly review how specific T cell factors play...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

2014
Yang Xiang Yaoyun Zhang Xiaoqiang Zhou Xiaolong Wang Yang Qin

Automatic problematic situation recognition (PSR) is important for an online conversational system to constantly improve its performance. A PSR module is responsible of automatically identifying users’ un-satisfactions and then sending feedbacks to conversation managers. In this paper, we collect dialogues from a Chinese online chatbot, annotate the problematic situations and propose a framewor...

Journal: :Molecular cell 2009
Florian Heyd Kristen W Lynch

Alternative splicing patterns are regulated by factors that direct the activity of the spliceosome. In a recent issue of Molecular Cell, Warzecha et al. (2009) identify two new splicing regulators whose epithelial-specific expression induces several tissue-specific splicing events.

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