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[期刊论文] 作者:LIU Dong-yan,SHI Xiao-feng,WAN,
来源:中草药 年份:2004
Objective To study the chemical constituents of flavonoids in pine needles of Cedrus deodara.Methods Flavonoids were isolated and purified from ethyl acetate ex...
[期刊论文] 作者:LUO Yun-ju,LIU Xin-rong,LIU Dong-yan,WANG Gui-lin,
来源:煤炭学报(英文版) 年份:2004
On the basis of discussion about hydro-geologic condition of geothermal water in Xiaoquan area, Chongqing, a three-dimensional mathematical model was established.The Modflow(a modular three-dimensional finite-difference groundwater model) s......
[期刊论文] 作者:LUO Yun-ju,LIU Dong-yan,LIU Xin-rong,LI Xiu-lan,
来源:煤炭学报(英文版) 年份:2006
Based on hydro-geological of Qilongcun landfill, the transportation mathematical model of leachat was established. The boundaries conditions and replenishment of model were determined. The leachate COD density and the water level were simul......
[期刊论文] 作者:TANG Liang-qin,TANG Kui,NIE De-xin,WANG Jun-jie,LIU Dong-yan,,
来源:Journal of Mountain Science 年份:2013
The excavated height of the left bank slope of the diversion power system intake in Jinchuan hydropower station is about 160 m. The stability and safety of the...
[期刊论文] 作者:王小冬, 孙军, LIU Dong-yan, 刘东艳, 汪岷,
来源:海洋科学进展 年份:2005
海洋中型浮游动物的选择性摄食很大程度上影响着浮游植物种群的变化,控制着海洋初级生产力的节律、规模和归宿.从海洋中型浮游动物选择性摄食对有害藻华的控制、中型浮游动物...
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