>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-8 共查到国际动态 Reduction相关记录8条 . 查询时间(0.149 秒)
In agricultural regions such as the U.S. Midwest, excess nitrate from crop fertilizer makes its way into rivers and streams through subsurface drainage channels and agricultural ditches.High nitrate c...
Capacitance is the ability of a material to store an electrical charge. Ordinary capacitors—found in virtually all electronic devices—store charge as a voltage is applied to them. The new phenomenon h...
Scientists have discovered that two common mango varieties contain natural compounds that may help to fight flab . . . in the part that most people throw away.
Withdrawal of the painkiller co-proxamol from use in the UK has led to a major reduction in suicides and accidental poisonings involving the drug, research led by Oxford University has shown.The study...
The new Toxics Reduction Act, passed today by the Ontario government, will require strong and effective regulations, says the Canadian Environmental Law Association (CELA).“Strong action on reducing O...
Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effec...
March 1, 2007,Pledging to significantly reduce and eventually neutralize carbon dioxide emissions that contribute to global warming, ASU President Michael Crow has announced his signing of the America...
1 December 2006,BEIJING, PEOPLE’S REPUBLIC OF CHINA - ADB and its partners involved in a unique poverty reduction project in the People’s Republic of China (PRC) have launched the second round of a se...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...