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For different surface roughness of electrodes and glycol concentration of glycol/water mixture, pressurized water breakdown experiments are carried out. Experimental results suggest that Mirza's formula is valid and independent of surface roughness and glycol concentration, and it is accumulative for surface polish, glycol additive, and pressurization for the capability to improve electrical breakdown strength. Moreover, the increase of electrical breakdown strength of water dielectric for surface polish is explained with bubble breakdown. Especially, highest stress of 235.5kV/cm observed in glycol/water mixture with a glycol concentration of 80% at a hydrostatic pressure of 12atm is about one time greater than that in pure water at constant pressure.

通过改变电极表面光滑程度和乙二醇浓度，分别进行了加压水介质击穿实验，证实了不同电极表面光滑程度和乙二醇浓度下Mirza关系式仍成立，抛光电极表面、添加乙二醇与加压在提高水介质电击穿能力方面具有可叠加性，将抛光电极表面、添加乙二醇与加压分别进行了比较，特别，在静压12atm、乙二醇浓度80%下，得到实测最高击穿场强为235.5kV/cm，其有效时间归一化后的击穿场强比常压下纯水的相应值提高了112.2%，运用气泡击穿模型对抛光提高水介质击穿场强进行了物理解释。

The demanded quality and the present condition of the water treatment technology for urban domestic water are introduced,the trend for the development of the water treatment technology is indicated through several methods,which are the static electricity disposal of the water,the utility of middle water,double velum method and man-made swamp.

阐述了城市生活用水的水质要求和处理技术现状，从静电水处理、中水的利用、双膜法和人工湿地技术的利用方面指出了生活用水处理技术的发展趋势，并对今后生活用水处理开发提出了建议，为生活用水处理技术的发展提供参考。

The invention discloses an hot water production method complementary of air heat source and steam exhaust exhaust heat, is characterized by employing an air source heat pump to heat up tap water by temperature of 8-12 DEG C; recycling steam exhaust in washhouse to reheat up the hot water from the air source heat pump by temperature of 55-70 DEG C, and feeding the hot water into a hot water reservoir for standby.

本发明公开了一种空气热源与乏汽余热互补的热水制造方法，其特征在于，采用空气源热泵加热自来水，使自来水的温度升高8～12℃；再回收洗衣房内的乏汽将空气源热泵输出的热水进行二次加热，并将其升温至55～70℃，将所得热水送入热水蓄水池备用。

Water industry is accelerated, modern water industry and sustainable development of water resources will be finally realized. To the status of China rapid economy development, serious shortage of water resources, and great gap between water supply and demand, new thoughts and approaches are studied in this paper to resolve the problems under the condition of socialistic market economy.

本文针对我国经济发展迅速，水资源严重短缺，供需矛盾异常突出的现状，在学习国内外研究成果的基础上，探索和研究在市场经济条件下解决我国水资源问题的新思路、新途径。

Compared with conventional fertilizer application pattern , soil infiltration capacity , water-conserving ability , water availability and water use efficiency under hole-source pattern were all increased to different degree . Water distribution on soil profile, especially the soil water distribution in root zone was more reasonable . Therefore , modulating function of soil reservoir could elaborate effectively .

孔源水肥调控技术下，土壤的入渗性能，保水能力，水分的有效性及水分利用效率较常规耕作施肥方式均有不同程度的提高，对土壤水分剖面分布的调节，特别是对作物根域范围内土壤水分的调节更趋合理，充分发挥了土壤作为巨大"水库"的调节作用。

Coal-bearing seams in Shenyu mine area inclines northwest, the bedrock thickness on the coal seams increases northwest, and there are generally red soil water-resisting layer on the bedrock. To study on the coal-water friendly geological conditions for the water-resisting layer during the coal mining process, and to determine mining zones without causing obvious water table decline are an important approach to the water-conserving mining in the fragile ecological mine area of North Shaanxi.

榆神矿区含煤地层整体向北西倾斜，煤层上覆基岩厚度向北西方向增大，基岩之上普遍分布有红土隔水层，深入研究煤炭开采过程中不对含水层造成破坏的煤水共生地质条件，确定既可采煤、又可实现水位不明显下降的区域，是陕北生态脆弱矿区保水开采的重要途径。

This thesis discusses the evolvement of Hebei Province water resources situation in detail, making clear the bad influence such as environmental anhydration, soil desertification, aggravating water pollution and deteriorating geologic environment on the Hebei water ecological environment from decrease of water resources and increase of water consumption together with economy development.

论述了河北省水资源演变情势，阐明随着水资源量的减少和经济发展用水量的增加对水生态环境所产生的不良影响——环境干化、土壤沙化、水质污染加重、地质环境恶化等。

BEIJING LIDU BOYE WATER TREATMENT CO.,LID is a high-tech enterprise that has abundant experience and be specialized in large-scale civil construction,hotel,apartment and office's air conditioning cooling water,chill and heating water's inhibition and antiscale,living cold-hot water's rust elimination and scale resistance and various water quality processing.

北京丽都博益水处理科技有限公司中国大陆北京丽都博益水处理科技有限公司是一家专业从事大型民用建筑、酒店、公寓、写字楼的空调冷却水、冰冻水、采暖水的缓蚀阻垢、生活冷热水地除垢等各种水质处理的企业，拥有丰富的水处理工程经验。

BEIJING LIDU BOYE WATER TREATMENT CO.,LID is a high-tech enterprise that has abundant experience and be specialized in large-scale civil construction,hotel,apartment and office's air conditioning cooling water,chill and heating water's inhibition and antiscale,living cold-hot water's rust elimination and scale resistance and various water quality processing.

北京丽都博益水处理科技有限公司 China 北京丽都博益水处理科技有限公司是一家专业从事大型民用建筑、酒店、公寓、写字楼的空调冷却水、冰冻水、采暖水的缓蚀阻垢、生活冷热水地除垢等各种水质处理的企业，拥有丰富的水处理工程经验。

Soil water, a sort of significant water resources, is a key in transformation among surface water, groundwater, atmospherically water and soil water.

水分是干旱、半干旱地区植被建设最重要的生态制约因子，对植被恢复具有极大的限制性。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。