>>> 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
搜索结果: 1-15 共查到Threaten相关记录15条 . 查询时间(0.064 秒)
More than half of the structures in the contiguous United States are exposed to potentially devastating natural hazards -- such as floods, tornadoes and wildfires -- according to a new study in the AG...
Hurricanes, pollution, disease, bleaching and the effects of an increasingly warmer planet are affecting the health of coral reefs around the world. However, reefs in the Caribbean are facing a new th...
Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.
Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.In a paper published i...
A warming climate could affect the stability of alpine grasslands in Asia’s Tibetan Plateau, threatening the ability of farmers and herders to maintain the animals that are key to their existence, and...
Wind-driven expansion of marsh ponds on the Mississippi River Delta is a significant factor in the loss of crucial land in the Delta region, according to research published by scientists at Indiana Un...
According to NASA, 2016 was the hottest year on historical record. Globally, the increase amounted to nearly 1.8 degrees Fahrenheit. And while that might not sound like much of an increase, it could m...
The damage caused by non-native species like the Harlequin ladybird and mink, threaten global biodiversity and cost global economies US$1.4 trillion annually. They can transmit disease, choke river sy...
Coral reefs, the world's most productive and diverse marine ecosystems, rely on a masterful recycling system to stay healthy.Corals and algae release nutrients that support a complex and efficient ree...
DURHAM, N.H. –- Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risk...
Declining coral reef health is threatening the food security and livelihoods of millions of people living in the coastal tropics, according to a study by University of Queensland researchers.
Australia’s tropical mammals are in trouble, with a quarter of species suffering serious decline since 1970, and the devastation evident in iconic areas such as Kakadu National Park.
In the Mojave Desert winds howl across this hottest place in North America, blowing sands across Death Valley and through empty ghost towns, swirling across treeless land for hundreds of miles. But ev...
WASHINGTON, May 28 2007,(UPI) -- A growing number of high-profile U.S. biomedical researchers are urging Congress and the White House to stop funding cuts for medical research.
20 March 2007,The Law Society and major City firms have come together to warn that private equity funds could be driven out of the UK if draft money laundering regulations go ahead in their current fo...

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...