搜索结果: 1-5 共查到“理学 Past to Present”相关记录5条 . 查询时间(0.078 秒)
Research Finds Link Between Rainfall And Ocean Circulation In Past And Present（图）
Research Rainfall Ocean Circulation Past Present
2018/2/1
Research conducted at The University of Texas at Austin has found that changes in ocean currents in the Atlantic Ocean influence rainfall in the Western Hemisphere, and that these two systems have bee...
Radar returns from the ocean surface have been observed since the earliest days of radar. They were characterized as "clutter" because they often obscured targets, such as ships or aircraft. However, ...
Panspermia, Past and Present: Astrophysical and Biophysical Conditions for the Dissemination of Life in Space
Radiation pressure Cosmic rays Micro-organisms Viruses Information
2010/11/9
Astronomically, there are viable mechanisms for distributing organic material throughout the Milky Way. Biologically, the destructive effects of ultraviolet light and cosmic rays means that the majori...
Past and present of sediment and carbon biogeochemical cycling models
Past present sediment carbon biogeochemical cycling models
2010/1/7
The global carbon cycle is part of the much more extensive sedimentary cycle that involves large masses of carbon in the Earth's inner and outer spheres. Studies of the carbon cycle generally followed...
A Study on the Past and Present Diatom Flora of Two Alkaline Lakes
Lake Hafik Lake Tö dürge Diatom
2010/3/23
The diatom flora of Lakes Hafik and Tödürge was studied qualitatively. Each lake was sampled monthly during two periods. The first period was between April 1986 and June 1987 in Lake Hafik and be...