搜索结果: 1-5 共查到“地球科学总论 F-spread”相关记录5条 . 查询时间(0.25 秒)
Global warming may limit spread of dengue fever, new research finds
Global warming dengue virus climate change
2021/8/3
Infection with dengue virus makes mosquitoes more sensitive to warmer temperatures, according to new research. The team also found that infection with the bacterium Wolbachia, which has recently been ...
Drillers Hit Promising Gas-Hydrate Deposits in Gulf of Mexico--Potential Alternative Fuel, Usually Too Thinly Spread to Exploit（图）
Drillers Hit Gas-Hydrate Deposits Mexico--Potential Alternative Fuel
2009/12/10
U.S. scientists working on a research vessel in the Gulf of Mexico have made the most promising discovery so far of marine gas hydrate, a possible new energy source. Globally, gas hydrate--an icelike ...
On variations of foF2 and F-spread before strong earthquakes in Japan
variations foF2 F-spread strong earthquakes Japan
2009/12/29
The statistical analysis of the variations of the dayly-mean frequency of the maximum ionospheric electron density foF2 is performed in connection with the occurrence of (more than 60) earthquakes wit...
On Es-spread effects in the ionosphere connected to earthquakes
Es-spread effects ionosphere earthquakes
2009/12/29
In the present work, phenomena in the ionosphere are studied, which are connected with earthquakes (16 events) having a depth of less than 50 km and a magnitude M larger than 4. Analysed are night-tim...
On spread-Es effects in the ionosphere before earthquakes
spread-Es effects ionosphere earthquakes
2009/12/25
The spread-Es phenomenon which appears as diffusivity of the traces of sporadic E-layers on the ionogrammes of vertical sounding stations and which reflects the turbulization of the sporadic layers -E...