有毒的

These are the only toxic air pollutants that were regulated prior to the passage of the 1990 Clean Air Act amendments.

这些是1900年空气净化行动修订文件种置于正文之前的能被规制的9种有毒物质。

Because of the difficulty of implementing the original section, EPA had entered into a consent decree with the NRDC governing toxic pollutants.

因为难于执行最初的条款，环境保护局与自然资源保护委员会就有毒污染物问题拿出了一份双方同意的判决。

A poisonous mixture of colorless crystalline alkaloid s extracted from sabadilla seeds and formerly used medicinally as a counterirritant.

藜芦混碱一种从沙巴草籽中提取的无色晶体生物碱的有毒混合物，以前在医疗中被用作对抗刺激剂

As of August 2000 the EPA had issued 45 air toxic standards, which affect 82 categories of major industrial sources.58 In addition , the EPA has proposed a number of rules coving 22 source categories .

从2000年8月开始环保局已经开始公布了影响8种主要工业能源的45种空气有毒标准。58另外，环保局已经推出了一系列涉及到22种能源种类的法规。

Chances are you are familiar with the image of skulls and crossbones as an indicator of a poisonous substance.

我都熟悉的形象作为标志的头骨和交叉有毒物质。

The paper discussed release possibility of toxic and harmful elements during gold mining.It presented the major envi-ronmental problems that are cyanidation setups and Acid Mine drainage during gold mining.

本文主要对金矿开采中有毒有害元素的释放进行了探讨，明确了在金矿开采过程中主要的环境问题是氰化物堆浸和酸性矿坑排水问题。

Conventional alkaline cyanide zinc plating process was compulsively restricted for its emission of toxic and hurtful substances and harm to the environment and human being.

原有的碱性氰化物镀锌工艺存在有毒有害物质排放及对人体的伤害，被国家强制限制。

Underground nuclear testing, defoliation of the rain forests, toxic waste ..

秘密的核试验，热带雨林的落叶，有毒废物。。。

You'll also need to install a heater or pond deicer, which will release toxic gases and provide more oxygen for the fish.

您还需要安装一个加热器或池塘除冰，这将释放有毒气体，并提供更多的氧气的鱼。

Liquid ammonia which is used commonly for denitration is hazardous and inflammable chemicals,and belongs to class B inflammable liquid.

液氨是脱硝制剂广泛使用的原料，是一种有毒、易燃的化学危险品，属火灾危险性乙类液体。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！