ewr

Study on the two Dimension Inverse Method of the EWR Logging Data

EWR资料的二维非均质反演方法研究

Applications of EWR in Well Trajectory Control

电磁波电阻率（EWR）在井眼轨迹控制中的应用

This definition reflects the spatial and temporal variability , threshold , quantity and quality of unity , dynamic and targeted characteristics of EWR . 2 .

该定义体现了生态需水的时空变化性、阂值性、量质统一性、动态性及目标性等特性。

The thyroidal basis of the research methods about EWR directs the reasonable ascertainments of the time scale , space scale and protected projects in research .

生态需水研究的理论基础，对合理地界定研究的时间尺度、空间尺度及保护目标具有重要的指导意义。

The proportion of actual EWR of the Haihe River during 1999-2002 revealed that the EWU has not been satisfied .

然后计算了1999-2002年海河实际生态用水比例，表明生态用水一直没有得到满足。

The paper proposed a research method considering EWR of the river corridor as EWR of the natural oasis and thus developed an EWR model for arid areas .

提出了以河流廊道的生态需水作为天然绿洲生态需水的研究方法，以此建立了干旱区生态需水模型。

Based on the introduction of the concept and meaning of ecological water requirement ( EWR ) for reservoirs , the blind number theory was applied to calculate the EWR for the Shuangxi Reservoir .

在界定水库生态需水的概念及内涵后，运用盲数理论对水库生态需水进行量化研究，并在双溪水库得到验证和应用。

Based on this relation model , proposes a quantitative method of ecological water requirement ( EWR ) of natural vegetation in arid area , which utilizes the results of RS technique and the spot testing data of vegetative physiology demand .

基于此关系模型，利用遥感技术成果以及植物生理需水的现场实验数据，提出了干旱区天然植被生态需水量计算方法。