查询词典 pollution

The results reveal that domestic sewage and rural diffused pollution are the main causes of water pollution.

分析结果表明：点源污染、农村面源污染是中小城镇水体污染的主要原因。

Direct catalytic decomposition of NO to N2 and O2 has been recognized as the most attractive method for eliminating pollution derived from NO, since it does not require the addition of any reductant, without causing secondary pollution, and the process it concerned is simple and economical.

氮氧化物NO(下标 x的直接催化分解是公认的消除NO污染最有吸引力的方法。

If air pollution chokes a city, a direct approach might be to limit the use of cars or require industry to adopt pollution control instruments.

如果空气污染使整个城市感到窒息，那么直接的方法就可能是限制车辆的使用，或是要求企业采用控制污染的仪器。

The version that people responded to the best talked about "air pollution" rather than "climate change"– because pollution is something visible that they could relate to, with strong connotations of dirtiness and poor health.

人们反响最好的版本用了"大气污染"而不是"天气变化"——因为污染是人们相关的可见的东西，有很强的肮脏和不健康的意思。

Marine oil pollution is disasterous, resulting in the loss of petroleum, the pollution of marine environment and destructive effects on the ecological system.

海上石油污染危害严重。它不仅损失石油污染了海洋，而且它还危害沿岸居民，破坏生态平衡。从而监测和清除技术的研究成了热门科学。

But the water pollution in Suzhou is very disproportional with its image both home and abroad. It is very necessary and urgent to protect the water resources, to treat the water pollution and to improve the water environment.

但是，苏州的水环境问题与苏州在国内外的形象极不相称，保护水资源、治理水污染、改善水环境十分必要而紧迫。

For discussing and evaluating the possibal contribution to atmospheric pollution in the process of utilizing mineral resources,the pollution characteristics and sources of Cu element in the dustfall were evaluated in the typical mining city-Tongling.

为了探讨和评价矿产资源利用过程对大气污染的可能贡献，评价了典型有色金属矿山城市--铜陵市的大气降尘中铜元素的污染状况及其来源。

The main causes of the pollution identified result from the irregation of using the polluted water from industries and the endogenic pollution of F and Hg elements is mainly caused by...

造成污染的主要原因是工业三废中的污水长期被利用灌溉，同时查明活动断裂是F、Hg等元素的内生污染源。

So it is more imported to control input from out system then control input from everglad circumjacent area, viewed from strategically control contaminations in everglade of Dongting Lake. Control area pollution was more import then control point pollution.

因此，在洞庭湖湿地水污染的治理上，控制系统外水系输入比控制湿地周边更重要，控制面源污染比点源污染更重要。

It is an entirely new project for MSA to strengthen the control of preventing environmental pollution caused by ship repairing in floating dock s,and minimizing the risk of pollution effectively.

文中针对修船浮船坞作业存在的污染水域风险，在综合分析评判两起海损事故船浮船坞作业防污染措施得与失的基础上，分析原因、总结经验、寻找依据，提出了相应的管理对策措施和建议。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。