查询词典 water-borne

It is reported that in china irrigative water use efficiency is only 0.4 ,and that water use efficiency of crops is 1 kg/m3; and is only half of developed country, thus it can be seen that the key of saving agricultural use water is to how to increase crops use water efficiency .

我国灌溉水利用系数仅为0.4，农作物水分利用效率仅为1kg／m~3，是发达国家的一半，由此可见发展节水农业的关键是提高农作物的水分利用效率。

It can provide some theoretic gist for resource value of water and soil in sandy land to indicate the change and law of soil moisture character, as well as the water circulation and balance mechanism in sandy land, at the same time, it have important practical significance to protect limited water resource, improve using efficiency of water resource,control desertification, choose and educate sand binding plant, renew and restore degraded ecosystem, as well as the economy benefit of irrigative agriculture and intending trend of development.

揭示沙地土壤水分特征的变化规律以及沙地水循环和平衡机理，可以为沙地水土资源评价提供一定的理论依据，同时对于保护当地有限的水资源和提高水资源的利用效率，以及沙漠化防治，固沙植物的选育，退化生态系统的恢复与重建，灌溉农业的经济效益和未来的发展趋势都具有重要的实践意义。

The results of this work are applicable to the assessment of water quality and human impacts on the ground water system,and can be used as the data-base for the protection and exploitation of water resources from the surface/ground water system in the karstic area.

这一研究成果为评价地表/地下水环境的质量现状，为喀斯特地区地表水地下水资源的保护和利用提供了科学依据。

In order to know the characteristics of water-rock interaction and the sources of the contaminants in the ground water system of the karstic area,we carry out a study on the water geochemistry of the surface and ground water in Guiyang,the capital city of Guizhou Province,China.

为了解喀斯特地区水-岩相互作用特征和辨别地下水污染物的来源，为揭示人类活动对喀斯特地下水文地球化学环境的影响，研究了贵州省贵阳市不同岩性含水层地下水和地表水的化学特征。

Surface water basically has fluvial water and laky water, by water of be in harmony of atmosphere precipitation, glacier and groundwater supply, with river plain runoff, land evaporates and soil is excreted into the form of ooze.

地表水主要有河流水和湖泊水，由大气降水、冰川融水和地下水补给，以河川径流、陆地蒸发和土壤入渗的形式排泄。

Based on microlevel data collected in Gansu and Inner Mongolia, the method of data envelope analysis was employed to examine the efficiency of agricultural water utilization, the logical relationship between water use efficiency and water right transfer was analyzed to examine the preconditions for agricultural water transfer against transitional background of Chinese economy.

本文利用甘肃、内蒙2省典型灌区432个农户的实地调研数据，基于数据包络分析方法，对农户灌溉用水效率与农业水权转移的内在逻辑关系进行系统分析，以探索中国转型经济条件下农业水权转移的条件。

Based on microlevel data collected in Gansu and Inner Mongolia, the method of data envelope analysis was employed to examine the efficiency of agricultural water utilization, the ogical relationship between water use efficiency and water right transfer was analyzed to examine the preconditions for agricultural water transfer gainst transitional background of Chinese economy.

本文利用甘肃、内蒙2省典型灌区432个农户的实地调研数据，基于数据包络分析方法，对农户灌溉用水效率与农业水权转移的内在逻辑关系进行系统分析，以探索中国转型经济条件下农业水权转移的条件。

To pump water with 2 triphase water pumps and 5 monophase water pumps simultaneously, the water surface kept constant when it descended 100mm.

用2台三相水泵和5台单相水泵同时抽水，水面下降100 mm后就不再下降。

Some conclusions were drawn: Oenanthe javanica grew normally when TN and TP concentrations in raw water were 7.05-9.99 mg/L and 0.29-0.73 mg/L respectively; with the hydraulic load being 0.5 m^3/(m^2d), the removal rates of NH3-N, TP, and TN from heavily polluted river water by Oenanthe javanica floating bed were positively related to water temperature, and it inhibited the growth of algae stably; the mean removal rate of nutritive salt increased with the concentration of raw water.

研究结果表明，进水ρ和ρ分别为7.05~9.99mg/L和0.29~0.73mg/L，水芹菜能正常生长，在水力负荷为0.5立方公尺/的条件下，水芹菜浮床对重污染河水中的NH3-N，TP，TN的去除率与水温正相关，对藻类的抑制作用稳定；营养盐的去除负荷随原水质量浓度的增加而增大。

The plant floating-bed technology application in Miaojia river showed that the water quality of the plant foating-bed technology applied had preceded evidently than the comparing water, though the water quantity was exchanged largely. There existed a micro-ecosystem at the root aera of floating-bed plant which mainly consists of organic grain, algae, zooplankton, zoobenthos. The mode of "Oenanthe javanica -Ipomoea aqutica" floating-bed mode application realized the whole year run of plant foating-bed technology on polluted water. Hence, the mode is suggested in the following application.

植物浮床技术在苗家河的示范应用研究说明：在水量交换较大的情况下植物浮床技术仍然使示范河段水质优于对照段；浮床植物根际区存在着以有机颗粒、藻类、浮游动物、底栖动物为网络骨干的根系微生态系统：&水芹菜-水蕹菜&浮床模式可实现四季净化污染河水的周年运转，在后续应用中推荐使用此模式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。