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Studies on the Scavenger Activities of Salicylaldehyde and Methyl Salicylate Against Hydroxyl Radica
[期刊论文] 作者：MA Jian-hua,
来源：高等学校化学研究（英文版） 年份：2004
IntroductionActive oxygen species have a carcinogenesis effect, and can cause mutation, cardiovascular diseases, inflammation and aging, etc. Hydroxyl radicals...
Generating Lie Point Symmetry Groups of (2+1)-Dimensional Broer-Kaup Equation via a Simple Direct Me
[期刊论文] 作者：MA Hong-Cai,
来源：理论物理通讯（英文版） 年份：2004
Using the (2+1)-dimensional Broer-Kaup equation as an simple example, a new direct method is developed to find symmetry groups and symmetry algebras and then ex...
[期刊论文] 作者：Ma Zhiyan,
来源：快乐阅读 年份：2004
Divide and separate are semantically similar,however,in English teaching and learning,itis not easy to explain how they are used and learners of English often c...
[期刊论文] 作者：MA Dong-mei,
来源：安全与环境学报 年份：2004
研究了高效氯氰菊酯对鲤鱼的脑、鳃、肝和骨骼肌肉中代谢酶、RNA和蛋白质的影响.用0.356 μg/L高效氯氰菊酯处理鲤鱼21d后,其脑、腮、肝、骨骼肌肉中6-磷酸葡萄糖脱氢酶(G-6-...
[期刊论文] 作者：Bin Ma,
来源：计算机科学技术学报（英文版） 年份：2004
Mass spectrometry is an analytical technique for determining the composition of a sample. Recently it has become a primary tool for protein identification and q...
[期刊论文] 作者：MA Jian-ping,
来源：甘肃林业科技 年份：2004
以甘肃陇南武都表现较好的橄榄园为例,总结了合理选择园址、注重品种选择、授粉品种配置、适时灌水、诊断施肥、合理修剪、及时防治病虫害等主要栽培管理技术,以期对油橄榄种...
[期刊论文] 作者：Ma Lili,
来源：植物保护 年份：2004
测定了发光杆菌NJ菌株对16种植物病原真菌的抑菌活性,结果表明该细菌具有较广的抑菌谱,其中对甘蓝黑斑病菌、玉米大斑病菌、番茄猝倒病菌、玉米小斑病菌等植物病原真菌具有较...
[期刊论文] 作者：MA Xiao-yi,
来源：交通运输系统工程与信息 年份：2004
亚运会的承办给城市建设、交通发展带来难得的机遇,然而亚运期间的突发而且集中的交通需求,也给城市带来了严峻的挑战,因此迫切需要一个亚运交通发展战略,用以指导城市在亚运...
[期刊论文] 作者：MA Liang,
来源：苏州教育学院学报 年份：2004
林纾与庞德是两位翻译家,他们的翻译都对社会产生了深远的影响,同时他们的翻译均删改了源语作品,引起了极大的争议.从归化翻译的角度,比较林纾与庞德翻译的背景、过程,分析他...
[期刊论文] 作者：Ma Na,
来源：中国标准化（英文版） 年份：2004
The beneficial exploration and consequential harvest in the standardization field during the preparation of the Expo 2010 Shanghai China (Expo) is studied and d...
[期刊论文] 作者：Ma Li,
来源：NATION 年份：2004
When she was 12, Cai Qun and her elder sister were sent out by their impov-erished family from their village in southwest China's Guizhou Province to earn a liv...
[期刊论文] 作者：Ma Miaomiao,
来源：WORLD 年份：2004
The 2018 Beijing Summit of the Forum on China-Africa Cooperation (FOCAC), which attracted leaders from more than 50 African countries, witnessed com-mitment fro...
[期刊论文] 作者：Ma Li,
来源：BUSINESS 年份：2004
On September 5, 400,000 tons of ore transported from overseas were directly sent to a storage yard for blending after being offloaded at Dalian Port in northeas...
[期刊论文] 作者：Ma Miaomiao,
来源：WORLD 年份：2004
As early as the Renaissance and the Age of Enlightenment in Europe, many French intellectuals, including Voltaire, developed a strong interest in Chinese cultur...
[期刊论文] 作者：Ma Miaomiao,
来源：WORLD 年份：2004
From playing golf with Japanese Prime Minister Shinzo Abe to watching a sumo tournament, where he presented a special "President's Cup" to the winner, to enjoyi...
[期刊论文] 作者：Ma Hongman,
来源：北京周报（英文版） 年份：2004
...
[期刊论文] 作者：MA Ying,
来源：榆林学院学报 年份：2004
通过一个问题学生的个案表现,分析产生问题的原因,依据教育心理学的理论、方法,探讨教育问题学生的途径,并制定出一个符合学生本人的合理有效的教育策略,帮助学生树立自信,认...
[期刊论文] 作者：Ma Guo-jing,
来源：交通运输工程学报 年份：2004
为了提高采用自密实混凝土铺筑的机场道面性能,增加自密实混凝土粗骨料的用量,使其体积百分比达到75%,最大粒径为40 mm,以控制混凝土收缩小于400 με;用掺入最优掺量粉煤灰...
[期刊论文] 作者：Chang-feng Ma,
来源：计算数学（英文版） 年份：2004
We propose in this paper an alteating A-φ method for the quasi-magnetostatic eddy current problem by means of finite element approximations. Bounds for continu...
,THE FINITE ELEMENT ANALYSIS OF THE CONTROLLED-SOURCE ELECTROMAGNETIC INDUCTION PROBLEMS BY FRACTION
[期刊论文] 作者：Chang-feng Ma,
来源：计算数学(英文版) 年份：2004
This paper provides an convergence analysis of a fractional-step projection method for the controlled-source electromagnetic induction problems in heterogenous...
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