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[期刊论文] 作者:DENG Xiao-dong FEI Xiao-wen LI,
来源:中国农业科学:英文版 年份:2001
Based on conserved regions among genomic RNA of tobamoviruses, a pair of primers spanning the sequence encoding the movement protein were synthesized. A cDNA fr...
[期刊论文] 作者:DENG Xiao-dong,FEI Xiao-Wen,LI,
来源:中国农业科学(英文版) 年份:2001
Based on conserved regions among genomic RNA of tobamoviruses, a pair of primers spanning the sequence encoding the movement protein were synthesized. A cDNA fr...
[期刊论文] 作者:Ma, Wei, Ma, Wenji, Ma, Rongju,
来源:中国有色金属学会会刊:英文版 年份:1998
1INTRODUCTIONAsthewatersourcecrisisisbecomingmoreandmoresevereandtheenvironmentprotectionrequirementsarebecomingmoreandmoreri.........
[期刊论文] 作者:MA Jun,MA Shaohan,
来源:计算机科学技术学报(英文版) 年份:1999
A fast and efficient parallel algorithm for finding a maximal edge matching in an undirected graph G(V,E) is proposed. It runs inO (log n) time with O (m/log n+...
[期刊论文] 作者:Ma, Bichun, Wang, Yonghong, Ma,
来源:稀有金属:英文版 年份:1989
Semi-insulating(SI)GaAs doped with indium has been grown and characterized.The relationship between the dislocationdensity and dopant concentration has been dis...
[期刊论文] 作者:Ma,ZL,
来源:灾害学 年份:1993
日本的灾害防治研究机构在滑坡的研究和防治过程中,根据不同需要,研制了大量微机控制的全自动化观测仪器,形成了一套完整的观测系统,大致可分为两个系列。 (1)处于活动...
Finite element simulation for mechanical response of surface mounted solder joints under different t
[期刊论文] 作者:MA Xin(,
来源:中国有色金属学会会刊:英文版 年份:2001
Nonlinear finite element simulation for mechanical response of surface mounted solder joint under different temperature cycling was carried out. Seven sets of p...
[期刊论文] 作者:Ma Yihua,
来源:China & World Cultural Exchange 年份:2002
At the Winter Olympic Games held in CalgaryiR CSR8d8I ChiR6S6 sthl6t6 Li YSR WOR 8 go旧 i6d8Ifor short-t旧oh speed skating、The following day aposter entitled”M...
[期刊论文] 作者:Ma Weihsing,
来源:原子核物理:英文版 年份:1997
【正】 A new quark confining potential from T.D.Lee’s non-topological soliton model isderived to predict the static properties of the nucleon.In comparison wit...
[期刊论文] 作者:R-I.,MA,
来源:国外医药:抗生素分册 年份:1990
新颖的具有药理活性物质有两个来源:一是有机合成,一是活的生物体。直到本世纪初,药物还都是从自然界中取得的。然而,有机化学的发展使合成物质得以激增,而来源于自然界...
[期刊论文] 作者:MA Philip,
来源:高等学校化学研究:英文版 年份:2001
The mission of the Chemical Process R&D Department at DuPont Pharmaceuticals Company is to supply drug substance in a timely fashion and to discover/develop a s...
[期刊论文] 作者:MA Hui-yuan,
来源:高等学校化学研究:英文版 年份:2001
Introduction The heteropolyanion phase transfer chemistry created by Pope M. T. In 1984 has opened up a new field for heteropoly compound research[1-3]. But su...
[期刊论文] 作者:Sala.,MA,
来源:农业科技译丛(湛江) 年份:1994
光周期敏感基因对雨量有变化的灌溉地区水稻来说一种重要的育种指标。了解水稻植株在形态学上特征特性是如何到光敏基因的影响有助于水稻光敏系的选择,从而可提高与改良产量。......
EXPRESSING HUMAN MATURED BRAIN-DERIVED NEUROTROPHIC FACTOR GENE IN E. Coli AND DETERMINING ITS BIOAC
[期刊论文] 作者:Ma Dongliang,
来源:西安交通大学学报:英文版 年份:2001
Objective Expressing the human matured brain-derived neurotrophic factor (mBDNF) gene in E.Coli and determining its bioactivity. Methods The resulting gene of m...
[期刊论文] 作者:Melo.,MA,
来源:橡胶参考资料 年份:1990
1 前言为改善分批式密炼机、切向转子装置的性能,满足目前的聚合材料和成品对它更加严格的要求,对它进行了几项改进,这些改进包括同步转子技术,转子设计及用于测量和表...
[期刊论文] 作者:MA Xiao-hu,
来源:上海大学学报:英文版 年份:2001
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[期刊论文] 作者:Lop,MA,
来源:国外医学:口腔医学分册 年份:2002
唾液腺导管癌(salivary duct carcinoma,SDC)是一种恶性浸润性唾液腺肿瘤,88%的SDC发生在腮腺,多见于50岁以上男性,局部浸润伴复发者属高危病例,淋巴结和远处转移以及低...
[期刊论文] 作者:Pogr,MA,
来源:国外医学:口腔医学分册 年份:2002
对于神经离断伤的处理,现大多采用直接吻合术或自体神经移植术,也曾有自体静脉移植引导神经生长的学说,但尚未肯定。本文通过临床病例研究,对自体静脉移植在下牙槽神经...
Relative Damage Stress: Dominant Mechanical Factor for the Failure of Soldered Joints under Temperat
[期刊论文] 作者:Xin MA,
来源:材料科学技术:英文版 年份:2001
By temperature normalization of the concept of equivalent damage stress proposed by Lemaitre,a new concept of relative damage stress has been put forward as the...
[期刊论文] 作者:Xuezhu MA,
来源:材料科学技术:英文版 年份:2001
Determining the cooling rate of a rapidly-solidified (RS) technique subjectively is a prerequisite of knowing the RS technique, and it is difficult. Model of he...
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