水污染影响的英文作文

作者:艾德琳
作者:用户投稿
发布时间:2022-06-08 01:03:03 阅读:488 点赞:20

水污染影响的英文作文

关于”水污染影响“英语作文范文3篇,作文题目:Impact of water pollution。以下是关于水污染影响初三英语范文,每篇作文均为高分范文带翻译。

高分英语作文1:Impact of water pollution

Water pollution incident has become one of the most important envinmental nts. As pollutants enter the water, changes in chemical, physical, biological or radioactive charactesti will affect the effective use of water, endanger human health or damage the envinment. For example, an accident occred in Songhua River in Jilin Pvince in July, taking the point soce pollution of pmary trunk and branch water pollution s as an example, combined with ventsatho The mixed boundary conditions of the o-dimensional reaction-diffusion equations descbed in meandaad water pollution research, this paper will use mathematical knowledge and reaction-diffusion equation, under the special conditions intduced in the second part, under the fast flow conditions, establish the first-order traner point soce water pollution partial differential equation model, and study the change of pollutant concentration with time and in the pollution accident In the third part of the paper, consideng the diffusion effect, the diffusion equation is solved by the mixed reaction-diffusion equation and the differential separation method.

中文翻译:

水污染事件已成为最重要环境事件之一,由于污染物进入水中,同时化学、物理、生物或放特征变化从而影响水有效利用,危害人类健康或环境,比如说,xx月份吉林松花江发生意外事故,以一级流和支流水污染点源污染为例,结合Ventsathomeandabad水污染研究中描述二维反应扩散方程组混合边界条件,文将利用数学知识和简单反应扩散方程,在第二部分介绍特殊条件下,在快流条件下,建立一阶转移点水源水污染偏微分方程模型,研究污染事故中污染物浓度随着时间和空间变化,文第三部分变化规律,考虑到扩散效应,采用混合反应扩散方程,用微分分离方法求解扩散方程,是一种特殊形式解析解。

万能作文模板2:水污染影响

1. Reduce water consumption: at present, China's water use, on the one hand, water resoces are scarce, on the other hand, compared with industalized countes, waste is very seous. Many pducts in China use much water per unit, which not only cses waste of water resoces, but also cses water pollution.

One of the important reasons for water pollution is to pmote clean pduction, reduce the consumption of unit aquatic pducts and impve water benefits thugh technological tranormation of enterpses Thirdly, the utilization rate is pved to be effective in practice to establish ban sewage treatment : in order to contl water pollution and dlop, industal enterpses must actively solve the pblem of water pollution, especially the discharge of toxic pollutants must be separately treated or pretreated to adapt to the industal layout, adjust the ban layout and ban sewage pipe neork construction and impvement, and gradually realize the city Centralized sewage treatment, ban sewage and industal wastewater treatment.

中文翻译:

2. 减少用水量:目前,我国用水,一方面水资源紧张,另一方面与工业化国家相比浪费非常严重,我国许多产品单位用水量大得多,不仅造成水资源浪费,而且造成水污染一个重要原因是通过企业技术改造,促进清洁生产,降低单位水产品消耗,提高水利用率再次,都是在实践中被证明行之有效建立城市污水处理:为了控制水污染,发展,工业企业也必须积极解决水污染问题,特别是有毒污染物排放必须单独处理或预处理与工业布局相适应,进行调整对城市布局和城市污水管网建设和完善,逐步实现城市污水集中处理、城市污水和工业废水处理并举。

满分英语范文3:水污染影响

Water pollution affects the plants and oris living in these water bodies. In almost all cases, this impact not only cses damage to individual species and populations, but also to natal biological communities, if pollutants are directly or indirectly discharged into the water body without pper treatment, water pollution will occ. Water pollution is a major pblem in the world.

Some people think that it is the main cse of death and disease in the world. Some cities in China are polluted by water to a certain extent, and nearly one million people can not get safe dnking water. In addition to the seous water pollution pblem in dloping countes, industalized countes are also continuing to fight against it.

中文翻译:

水污染影响生活在这些水体中植物和有机体,几乎所有情况下,这种影响不仅对个别物种和种群造成损害,但是,对自然生物群落来说,如果污染物没有经过适当处理而直接或间接排放到水体中,就会产生水污染。水污染是全球范围内一个主要问题,有人认为它是世界范围内亡和疾病主要原因一些城市受到一定程度水污染,近百万人得不到安全饮用水。除了发展家严重水污染问题外,工业化国家也在继续与污染问题作斗争。

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