查询词典 pollution

The land is material base of humanity's livelihood,it is the national economy and the social development of precious resources and the important element of production, but land resource's of abusiveness and abuses phenomenon to be serious, at present it is facing serious challenges about the land ecosystem to destroy and humanity living environment pollution and so on.

摘 要：土地是人类赖以生存的物质基础，是国民经济与社会发展的宝贵资源和重要生产要素，但土地资源的滥用和乱用现象严重，目前正面临着土地生态系统破坏、人类生存环境污染等问题的严峻挑战。

The expert of environment protection academe make a research on how to avoid the air and water pollution.

环境保护研究所的专家们对如何在这个地区防止空气污染与水污染进行了调查。

The experts of Environment Protected Academe took a research of preventing pollution from air and water in this area.

环境保护研究所的专家们对如何在这个地区防止空气污染与水污染进行了调查。

Lots of factors,such as the virus infection, the acarid and dust in the room, the blackbeetle, the tobacco smoke, the air pollution, the chemical stimulation and the like , can trigger bronchial asthma. The contamination of suspending particulates with the diameter less than 2.5 micron in the atmosphere is the main reason that makes mortality ascend,for the contamination can aggravate the hypersusceptibility which embitter more and more people .

支气管哮喘也称哮喘病，病毒感染、室尘螨与蟑螂等变应原触发因素，以及烟草烟雾、空气污染、化学刺激等均可引起发病，大气中直径不足2.5微米的悬浮微粒污染物是导致死亡率上升的因素，微粒污染会加剧人体过敏反应，全球遭受过敏之苦的人数正与日俱增。

How to make full use of acetylene sludge to reduce the pollution?

把电石渣充分利用起来，以减少占地，减少对周围环境的污染？

In this paper, acetylsalicylic acid, cyclohexanone Preparation of micro-content of the experimental design, in different reaction conditions were carried out under analysis to optimize the improvements and chemical experiments on the basis of conventional experimental and micro-experimental comparison, being The experimental results consistent with the premise, fully reflects the micro-chemistry experiments to save time, save the amount of reagents, as well as many advantages such as reducing environmental pollution.

本文阐述了乙酰水杨酸、环己酮微型化制备实验的设计内容，在不同反应条件下进行了对照分析，从而进行优化改进，并就基础化学实验中常规实验与微型实验进行比较，在得到一致的实验结果的前提下，充分体现了微型化学实验节省时间、节省试剂用量、以及减少环境污染等诸多优点。

Mae, the new process will reduce the environment pollution ceased by acid mist, improve the work conditions and work intensity.

此外，新工艺还大大减少了传统工艺所带来的环境污染，改善了操作条件，降低了劳动强度，具有显著的社会效益。

Process exhaust main pollution factor is the residue of sulfur dioxide, acid mist and dust, after dedusting equipment after the double-absorption can be achieved discharge standards.

工艺尾气中主要污染因子是残留的二氧化硫、酸雾及粉尘，经过除尘设备两转两吸后，能实现达标排放。

All the pollution is not acid rain, i.e., sulphuric and nitric acid dissolved in precipitation .

酸雨为含有硫酸和硝酸的雨，它并不是造成污染的唯一原因。

Acid rain is a kind of air pollution.

酸雨是一种空气污染。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。