查询词典 water pollution

NO3--N pollution in drinking water at the depth of 20 m is serious with common and serious overproof rates of 39.3% and 7.1% respectively. NO3--N content in irrigation water for farmland and greenhouse at the depth of 40 m is 7.4 mg·L-1 and 9.6 mg·L-1 with respective common overproof rates of 25.0% and 37.5%, and zero serious overproof rate.

设施蔬菜栽培区表层地下水(地下饮用水， 20 m)受硝态氮污染严重，超标率和严重超标率为39.3%和7.1%；而深层地下水(农田和大棚灌溉水， 40 m)硝态氮含量7.4 mg·L-1和9.6 mg·L-1，超标率分别为25.0%和37.5%，无严重超标水样。

NO3(superscript -)-N pollution in drinking water at the depth of 20 m is serious with common and serious overproof rates of 39.3% and 7.1% respectively. NO3(superscritp -)-N content in irrigation water for farmland and greenhouse at the depth of 40 m is 7.4 mgL^(-1) and 9.6 mgL^(-1) with respective common overproof rates of 25.0% and 37.5%, and zero serious overproof rate.

设施蔬菜栽培区表层地下水（地下饮用水，20m）受硝态氮污染严重，超标率和严重超标率为39.3%和7.1%；而深层地下水（农田和大棚灌溉水，40m）硝态氮含量7.4mgL^(-1)和9.6mgL^(-1)，超标率分别为25.0%和37.5%，无严重超标水样。

Scientific water is the key to the industry water system's energy conservation and pollution reduction of the steeling works.

在工业领域中，钢铁企业是用水大户，科学用水是钢铁企业水系统实现节能减排的关键。

Scientific water is the key to the industry water system's energy conservation and pollution reduction of the steeling works.

在工业领域中，钢铁企业是用水大户，科学用水是钢铁企业水系统实现节能低碳低碳的关键。

It has big power,and multipe air exhaustor.and fixed,inside and ontside water circulation,can be with five tap for suction direct display at the same time,The pump has the advantages of unuse oil,non-pollution,big power,lower noise,easy movement, save water and electricity one machine with multi-usage.

该泵是大功率多头抽气的一种新型不锈钢循环水式多用真空泵，本机设计内外循环水，可以五头同时抽气，具有不用油、无污染、功率大、噪音低、方便灵活，节水省电等优点，一机多用。

It has big power,and multipe air exhaustor.and fixed,inside and ontside water circulation,can be with five tap for suction direct display at the same time,The pump has the advantages of unuse oil,non-pollution,big power,lower noise,easy movement, save water and electricity one machine with multi-usage.

油、无污染、功率大、噪音低、方便灵活，节水省电等优点，一机多用。

The biological hydrogen is very important to solute the energy crisis and the environmental pollution. Our country works out the organic waste water zymotechnics biological hydrogen technology by the tired of oxygen active sludge and the organic waste water as produces raw material. It is proved by the experiment in HIT. This research was discovered first in our country and foreign and realized the experimental scale non-fossilization mold mushroom spawn for a long time to continue producing the biological hydrogen technology. It also realized the experimental scale continue to produce the hydrogen for a long time. It was a domain significant breakthrough in biological hydrogen.

生物制氢对于解决能源危机和环境污染都具有十分重要的意义，我国以厌氧活性污泥和有机质废水为生产原料的有机废水发酵法生物制氢技术在哈工大通过实验研究验证，该项研究在国内外首创并实现了中试规模连续非固定化菌种长期持续生物制氢技术，并实现了中试规模连续流长期持续产氢，是生物制氢领域的一项重大突破。

Pure is limpid and transparent; light is that the aqueous surface tension is strong; sweet is melon and tasty; alive is a flowing water rather than stagnant water; clean is no pollution; cold is cool.

如本地能找到上佳山泉水，那就更好，好的山泉必须符合&清、轻、甘、活、洁、洌&六个要素，清是清澈而透明，轻是水的表面张力大，甘是甘甜可口，活是活水而非死水，洁是清洁无污染，洌是冷洌。

The reuse of domestic sewage is a efficient approach in alleviating the pollution of water, ameliorating the entironment and allaying the pressure of water lacking in cities.

城市污水的再生回用是减轻水体污染、改善生态环境、解决城市缺水问题的有效途径之一。

Based on the related researches in China and other countries,this paper summarized the impacts of deicing chemicals on soil, surface water, ground water, plants and animals, etc., and put forward some suggestions for the further research in this field to provide a scientific basis for the pollution prevention of deicing chemicals on urban environment and related ecosystems.

本文结合近年来中国和其他国家有关化学融雪剂对生态环境影响的研究进展，阐述了化学融雪剂对土壤环境、地表水、地下水、植物和动物等的影响，并提出了今后该领域的研究建议，以期为化学融雪剂对城市环境污染和生态影响的防治技术研究提供科学依据。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。