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: 271-285 共查到理学 environment相关记录311条 . 查询时间(0.054 秒)
The Landscape Ecology Laboratory at Duke’s Nicholas School of the Environment and Earth Sciences integrates field studies, geographic information systems, remote sensing, spatial statistics and simula...
Ecology and Environment, Inc     Ecology  生态学  Environment  环境       2007/12/14
Founded in 1970, Ecology and Environment, Inc.(E&E) is a broad based environmental consulting, testing, engineering, and design firm operating from 27 U.S. offices and subsidiaries and affiliates arou...
European Association of Chemistry and Environment(ACE) is an European non-profit-making scientific association founded in October 2000 by a group of European scientists. The ACE promotes contact betw...
We performed a field experiment in the Westerschelde Estuary (The Netherlands) to characterize the colonization dynamics of nematodes in relation to the proximity of a source population and to local e...
We present detailed records of trace metals and carbon isotopes to understand siliceous spicule formation in the deep-sea lithistid sponge Corallistes undulatus Le′vi and Le′vi, 1983 (Demospongiae: C...
the Department of Geography and the Environment at Boston University. Faculty in the Department of Geography offer coursework and conduct research on topics that bring together the Earth's physical an...
An assessment of bed sediment stability was carried out over biostabilized and nonbiostabilized cohesive sediment within a laboratory wave flume. Biofilms of 5, 9, and 15 d were grown over kaolinite, ...
Reactions to artificial infection with Fusarium culmorum and (metconazole- or tebuconazole-based) fungicides were studied in nine winter wheat cultivars that were evaluated in field experiments at the...
November 8, 2006,Lansing - Officials from the Michigan Departments of Agriculture (MDA) and Natural Resources (DNR) today encouraged hunters with a valid hunting license of any type to shoot feral swi...
Since 2001, the villagers in Vanuaso Tikina, Gau Island, Fiji, have collaborated with the University of the South Pacific to manage their environmental resources to prepare them for difficult and chal...
The quality of hydrological modelling is limited due to the restricted availability of high resolution temporal and spatial input data such as temperature, global radiation, and precipitation. Radar-b...
World is facing a situation of crisis for avian influenza epidemic development. Good hygienic practices (bio-security) are therefore extremely important safety measures to prevent infection entering o...
Several environmental/physical variables derived from satellite and in situ data sets were used to understand the variability of coccolithophore abundance in the subarctic North Atlantic. The 7-yr (19...
We studied the effects of inorganic turbidity on the efficiency of perch (Perca fluviatilis) feeding on the cladoceran Sida crystallina attached to floating macrophyte leaves together with the effects...
Recently there has been recognition of the importance of reductive processes in the acquisition of iron by microorganisms in marine environments with Fe(III) reduction induced by either membrane-bound...

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...