理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-15 共查到理学 US相关记录109条 . 查询时间(0.077 秒)
Dinosaur paleontologists are detectives, piecing together clues from fragments of fossils to decipher what a whole organism looked like, how it moved, and how it behaved. While even a preschooler coul...
Domestic production of solar panels – most of which are now made in Asia – can speed up decarbonization in the U.S. and reduce climate change faster, according to new Cornell Engineering research publ...
Last week, the stuff of Hollywood blockbusters became a reality when NASA launched its Double Asteroid Redirection Test (DART), a small spacecraft that will smash into an asteroid sometime in Septembe...
Of all the creatures on Earth, humans manipulate their environments the most. But, how far can we push it before something drastic happens? Scientists are calling for a better understanding of past ex...
U.S. corn and soybean varieties have become increasingly heat and drought resistant as agricultural production adapts to a changing climate. But the focus on developing crops for extreme conditions ha...
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...
After a traumatic brain injury, why do some people regain skills quickly while others face long-lasting setbacks? Boston Universityneuroscientist Jerry Chen of BU's Center for Systems Neuroscienc...
A National Science Foundation study led by Northern Illinois University scientists suggests that American winters late this century could experience significant decreases in the fr...
With the western United States and northern Mexico suffering an ever-lengthening string of dry years, scientists have been warning that climate change may be pushing the region toward an extreme, long...
Web-based platforms enhance teaching and learning in the classroom.Today, 100,000 students across the U.S. use an online mathematics tutoring and assessment program developed by an NSF-funded research...
Unmitigated climate change will make the United States poorer and more unequal, according to a new study published today in the journal Science. The poorest third of counties could sust...
Small businesses and startups funded by the National Science Foundation (NSF) will display emerging biotechnology at the 2017 BIO International Convention Innovation Zone June 19-22 in San D...
Background: Circulating concentrations of biomarkers that are related to vitamin status vary by factors such as diet, fortification, and supplement use. Published biomarker concentrations have also be...
Background: Adequate water intake is critical to physiologic and cognitive functioning. Although water requirements increase with body size, it remains unclear whether weight status modifies the relat...
Background: The majority of US consumers use the nutrition facts panel (NFP) or health claims for food selections. Although previous studies have consistently reported positive impacts of NFP use on d...

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...