But this "chemical rain" gradually destroys trees in the forests and kills fish in the lakes.

但这“酸雨”逐渐破坏树木的森林和湖泊造成鱼类的死亡。

The chemical composition of rainfall changes slightly as rain clouds move.

降雨的化学成分随着雨云的移动而发生轻微变化。

Other filters and chemical "scrubbers" catch oxides of sulphur and nitrogen that would otherwise cause acid rain.

其他的过滤器以及化学“捕捉器”负责处理能够引起酸雨的硫氧化物和氮氧化物。

Wheat producers in Henan, Shandong and Hebei fired chemical pellets into the clouds this month to prevent hail and heavy rain from damaging their harvest.

河南、山东、河北的麦农在本月向云端发射化学弹丸以防止冰雹和暴雨破坏他们的庄稼收成。

Severe respiratory problems can result in anyone exposed to the smoke and burning chemical particles that rain down over an area the size of a football pitch.

烟雾弥漫，燃烧着的化学颗粒大量落下，所涉及的区域几近一个足球场大小；暴露其中，任何人的呼吸系统都可能遭遇严重问题。

For years, Chinese meteorologists have been experimenting with weather modification, shooting chemical cannons into the clouds to induce - or apparently stop - rain.

多年以来，中国气象学家一直在试验人工影响天，向云层发射化学炮弹进行人工降雨，或是明显阻止降雨。

Every time the date, rainfall, rainfall saga to look for each pests immortal and rain unearthed the number relations, so as to deduce chemical control optimum stage.

每次降雨记实日期、降雨量，以便寻找每种害虫的出土成仙数目与降雨的关系，从而推断出化学防治适期。

The cloth we made was impregnated with a special chemical which protected it against rain.

我们制造的布中掺入了一种特殊的防雨化学材料。

So more steel mills and chemical plants mean more acid rain and smog, not to mention global warming.

所以更多的钢厂和化工厂意味着更多的酸雨和烟雾污染，更不用说还有全球变暖问题。

The changing characteristics and chemical components and origin of acid rain in Xiangtan urban area are analyzed according monitoring data of precipitation quality from 2001 to 2005.

根据2001 ~ 2005年湘潭市城区降水环境质量监测数据，对湘潭城区酸性降水的变化特征、离子化学组成、变化趋势和酸雨成因进行了分析。

It also suffers from sun, rain, climate change and chemical corrosion.

它还经受着日晒、雨淋、气候变化及化学物质的腐蚀。

According to monitored data of acid rain in Xi 'an City from 1987 to 2000, the time variation and its chemical composition was analyzed.

依据1987—2000年监测数据，分析了西安市酸雨及化学成分的时间变化。

The influences of chemical substance import of rainfall and rain dripping on organism substance circulation of forest ecosystem in Ailao Mountain of Yunnan Province were analyzed.

为了分析大气降水的化学物质输入及其降水淋溶对云南哀牢山森林生态系统生物物质循环产生的影响。

Synthetic resin tile main resin and surface resin has very good corrosion resistance and will not be rain erosion, and long-term resist acid, alkali, salt and so many chemical erosion.

合成树脂瓦主体树脂和表面树脂都具有非常好的耐腐蚀性能，不会被雨雪侵蚀，并可长期抵御酸、碱、盐等多种化学物质的侵蚀。

Unlike ground water, rain water does not contain minerals or salts and is free of chemical treatments.

和地下水不同，雨水不含矿物质或盐类，因此无需化学处理。

The factors such as rain time, precipitation form and topography should be considered when the samples are collected for chemical analysis.

在采集水样进行养分分析时，应考虑降水时间、降水形态和地形等因子的影响。