介绍了重金属镉的环境污染化学性质，自然界存在的形态；
This text introduces the chemistry of the environment pollution property of the heavy metals cadmium, such as existent appearance of nature.
如果我要为一个包染色，所用的化学品造成的环境污染比我希望的要大，但为了使颜色更明亮，我还是会使用它的。
I try really hard, but if now and again I have to dye a bag using chemicals that are not as low in environmental impact as I'd like, in order to get a brighter colour, then I will do that.
环境污染、摄入的化学毒素都难辞其咎。
Pollution as well as ingested chemicals are thought to be responsible.
同时外界的因素也会产生自由基如抽烟环境污染还有那些添加在饮用水和食物里的人工合成化学物质。一些使你延缓衰老和更长寿的方法。
Free radicals also come from outside sources, such as smoking, environmental pollution, and synthetic chemicals that are added to our water and food. Some tips for living longer and anti-aging.
媒染剂的化学成份会不会造成环境污染？
Will the chemical compositions of mordant cause the environmental pollution?
化学实验室的环境污染问题是不可忽视的。
The problem of environmental pollution of chemistry lab must not be ignored.
随着环境污染的加剧和人类对环境问题的关心，具有全新理念的“绿色化学”便应运而生。
With the environment pollution pricking up and the attention of the whole world, the bearing original ideal "green chemistry" has emerged as The Times require.
阐述了化学农药在土壤中的迁移转化规律，对于预测其变化趋势和控制农药环境污染具有重大意义。
The transformation regularity of chemical pesticide in soil was analyzed. It was important to predict its change tendency and control pesticide environmental pollution.
研究结果表明，化学镀液的循环利用和催化剂的回收套用的方法非常有效，降低了化学镀镍成本，减少了环境污染。
Above results indicated that the methods of recycle of chemical plating bath and recovery of catalyst were effective and would greatly save cost and reduce environmental pollution.
传统化学制浆工艺主要存在三个问题，即成本、能耗高，纸浆得率低，环境污染严重。
There are three main problems in the traditional chemical pulping: high cost and energy consumption, low pulp yield and serious environmental pollution.
有作者倾向性的这个化学公司的历史掩盖了其在历史上最灾难性的环境污染事件中扮演的角色。
The author's tendentious history of the chemical company glosses over its role in one of the most catastrophic environmental accidents in history.
使用传统的化学防虫不可避免地会造成农药浪费和环境污染。
It is unavailable to waste pesticides and pollute the environment by using conventional chemical control of insect pest.
学校中环境污染主要来源于化学实验。
The major source of environmental pollution in a school is chemical experiments.
科学管理化学危险品避免安全事故发生和导致环境污染。
Scientific storage and use for dangerous chemicals can avoid safety accidents and cause environmental pollution.
海事部门对载运散装液体危险化学品船舶的监管目标是作业安全与防止海洋环境污染。
The goal of supervising bulk liquid dangerous chemicals ship by Maritime department is to prevent Marine environmental pollution.
耐气候老化和化学腐蚀，抗户外紫外线照射和环境污染；
Resisting climate ageing and chemic corrosion, resisting ultraviolet radiation and polluted circumstance;
结果表明，该催化剂催化活性高，化学稳定性好，重复使用性能佳，无环境污染。
The results show this catalyst has high catalytic activity, good chemical stability, good repeatability and little waste discharged.
该合成工艺应用固体超强酸催化剂具有催化活性高、催化速率快、化学稳定性好、无环境污染等优点。
The superacid catalyst has the characteristics of high catalytic activities and rate, good chemical stability and little waste discharge in the synthesis.
造成环境污染的重要原因之一是化学因素，解决环境污染问题，化学起举足轻重的作用。
Chemical factor has been incriminated as one of the fundamental causes of environmental pollution, chemical factor occupies a pivotal position in solving environmental problems.
以攀枝花市为例，初步研究了该市土壤中微量元素分布的地球化学特征及城市环境污染特征。
A case study from Panzhihua city, primary studies about urban environmental geochemistry of trace elements in the soil were carried out.
设计了两个微型有机化学合成试验，与传统的实验相比较，达到了将实验中造成的环境污染降低到最低限度的目的，同时还培养学生的绿色意识。
Comparison with traditional experiments, it achieved the aim to reduce the environment pollution to the smallest degree. At the same time, it also cultivated the students' green ideas.
化工厂一旦发生突发泄漏事故，往往会使有毒化学品大量外泄，造成严重的的环境污染。
If leak accidents once occur in chemical plants, a great lot of noxious chemical will be discharged to the environment, and it causes serious environmental pollution.
由于环境污染的进一步加剧，1990年美国清洁空气条例要求在未来9年里将189种化学毒物的排放量削减90%，其中70%是挥发性有机物。
The USA Clean Air Act of 1990 calls for a 90% reduction in emission of 189 toxic chemicals, 70% of them VOCs, over the next nine years.
本文探讨了荧光素-过硫酸钾体系的电致化学发光性能并将其应用于环境污染物苯酚测定的研究。
Under basic condition, phenol has strong sensitivity quenching ability to electrogenerated chemiluminescence produced by fluorescein-potassium persulphate system.
因蒸压法生产高强石膏，尾矿率在20％以上，若丢弃，既浪费资源；增加生产成本，又造成新的环境污染。本文从研究尾矿赋存状态和化学成份着手；
The tailings account for 20 percent in producing the gypsum by the method of if we do not use the tailings again, it must squander the resource, form pollution and increase the productive cost.
在防止有机污染物，运输和埋葬危险化学品对环境污染方面做出了很多努力。
Miz Speranskaya has led efforts against organic pollutants and the transport and burial of dangerous chemicals.
针对化学防垢和磁防垢的特点，本文提出将两种防垢方法结合，在确保防垢效果较好的同时，降低生产成本，减少环境污染。
For the virtue of chemical and magnetic anti-scaling method, this paper proposed an combination of two anti-scaling methods to reduce the costs and pollution in a better inhibiting efficiency.
但化学肥料尤其是氮肥施用量过多，极易导致产品质量下降、环境污染等问题。
But the use of much fertilizer results in decreasing of quality and a series of serious entironment problems.
但化学肥料尤其是氮肥施用量过多，极易导致产品质量下降、环境污染等问题。
But the use of much fertilizer results in decreasing of quality and a series of serious entironment problems.
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