نتایج جستجو برای: کائوچوی br

تعداد نتایج: 40385  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Shanshan Zhang Zhenying Cai Xuelu Wang

Phytohormones have essential roles in coordinately regulating a large array of developmental processes. Studies have revealed that brassinosteroids (BRs) and abscisic acid (ABA) interact to regulate hundreds of expression in genes, governing many biological processes. However, whether their interaction is through modification or intersection of their primary signaling cascades, or by independen...

Journal: :journal of paramedical sciences 0
ashkan zare karizak department of biology, islamic azad university of science and research of tehran, tehran, iran. ahmad molaeirad department of biology, islamic azad university of science and research of tehran, tehran, iran. amineh leilabadi asl department of biology, islamic azad university of science and research of tehran, tehran, iran. mona zamanian-azodi proteomics research center, shahid beheshti university of medical sciences, tehran, iran

bacteriorhodopsin (br) is the light harvesting and photoactive proton pump found in the membrane of a salt marsh bacteria. this protein has significant potential to use in optical computing and memory devices due to unique intrinsic physical properties of photo and bioelectric. all these features make br one of the most promising protein candidates in protein memories. protein memory is a kind ...

2016
Ahmad H. Kabir Most A. Khatun Mohammad M. Hossain Syed A. Haider Mohammad F. Alam Nishit K. Paul

Iron (Fe) is essential but harmful for plants at toxic level. However, how wheat plants tolerate excess Fe remains vague. This study aims at elucidating the mechanisms underlying tolerance to excess Fe in wheat. Higher Fe concentration caused morpho-physiological retardation in BR 26 (sensitive) but not in BR 27 (tolerant). Phytosiderophore and 2-deoxymugineic acid showed no changes in BR 27 bu...

2010
Aying Zhang Jun Zhang Nenghui Ye Jianmei Cao Mingpu Tan Jianhua Zhang Mingyi Jiang

Brassinosteroids (BRs) have been shown to induce hydrogen peroxide (H(2)O(2)) accumulation, and BR-induced H(2)O(2) up-regulates antioxidant defence systems in plants. However, the mechanisms by which BR-induced H(2)O(2) regulates antioxidant defence systems in plants remain to be determined. In the present study, the role of ZmMPK5, a mitogen-activated protein kinase, in BR-induced anitioxidan...

Journal: :The journal of physical chemistry. A 2007
Anna V Fishchuk Jeremy M Merritt Gerrit C Groenenboom Ad van der Avoird

Rovibronic energy levels and properties of the Br(2P)-HCN complex were obtained from three-dimensional calculations, with HCN kept linear and the CN bond frozen. All diabatic states that correlate to the 2P3/2 and 2P1/2 states of the Br atom were included and spin-orbit coupling was taken into account. The 3 x 3 matrix of diabatic potential surfaces was taken from the preceding paper (paper 1)....

علی کشاورز, قاسم نادری میرحمیدرضا قریشی

در پژوهش حاضر، بهینه‌سازی خواص مکانیکی، دینامیکی و گرمایی آمیزه رویه تایر رادیال سواری با تأکید بر نقش و اثر سه جزء شتاب‌دهنده، دوده و روغن آروماتیک انجام شد. بدین منظور، ابتدا فرمول‌بندی مبنا بر پایه دو کائوچوی SBR/BR و گوگرد و سایر اجزای آمیزه‌کاری و بدون سه بخش یاد شده درنظر گرفته شد. اثر دو سامانه شتاب‌دهنده CBS/TMTD و TBBS/TMTD در مقادیر و نسبت‌های مختلف و به شکل نیمه‌کارا روی خواص آمیزه م...

Journal: :Jurnal Ledalero 2023

<p>This article is based on a book by Emanuel Martasudjita Inculturation Theology. The author of this supports the<br />statement E. that inculturation theology not new reality, but has been known and practiced<br />throughout the history Church. By expanding description given regarding stages in />development history, draws basic insight from inculturated not<br />co...

Journal: :American journal of physiology. Heart and circulatory physiology 2012
Damian J Dyckman Charity L Sauder Chester A Ray

The mechanism(s) for post-bed rest (BR) orthostatic intolerance is equivocal. The vestibulosympathetic reflex contributes to postural blood pressure regulation. It was hypothesized that muscle sympathetic nerve responses to otolith stimulation would be attenuated by prolonged head-down BR. Arterial blood pressure, heart rate, muscle sympathetic nerve activity (MSNA), and peripheral vascular con...

Journal: :Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology 2015
Didier Staudenmann Wolfgang Taube

The brachialis muscle (BR) represents an important elbow flexor and its activity has so far mainly been measured with intramuscular electromyography (EMG). The aim of this study was to examine whether the activity of the BR can be assessed with surface EMG without interference from the biceps brachii (BB). With eight subjects we measured surface EMG of the arm flexor synergists, BR, BB, and bra...

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