有毒物质

Ivy'.'' and the lacquer tree, from which a black Japanese lacquer is obtained.

漆酚盐睛木属植物的表皮或树脂里的一种有毒物质，从中可提取一种黑色的日本漆

A toxic substance present in the resin or on the surface of plants of the genus Rhus, including poison ivy and the lacquer tree, from which a black Japanese lacquer is obtained.

漆酚盐睛木属植物的表皮或树脂里的一种有毒物质，从中可提取一种黑色的日本漆

In 1970, a law was passed prohibiting the development of more than the specified level of lead, carbon monoxide, sulfur dioxide, nitrogen oxide, volatile organic compounds, ozone and various toxic substances.

1970年，通过了一项法律，禁止那些铅、一氧化碳、二氧化硫、氮氧化物、挥发性有机化合物、臭氧以及其它有毒物质超过规定标准的生产。

SBS cannot be diagnosed precisely and should not be confused with specific building-related illness such as legionnaire's disease, or with the effects of exposure to hazardous or toxic substances, or problems with excessive heat, cold or noise.

SBS的不能诊断，准确和不应该混淆的具体建设有关的疾病，如军团病，或与影响，接触有害或有毒物质，或问题，过多的热量，冷或噪音。

In some crop species (e.g., cassava, Manihot esculenta Crantz), the food product must be cooked or processed to inactivate toxic substances.

在有些作物品种里（比如木薯Manihot esculenta Crantz），食物产品必须经过烹煮或加工处理从而使有毒物质失去活跃性。

The method meets the requirements of Regulation of Studies on the Determination of Toxicants in the Air of Workplace. It is suitable to determine the mesityl oxide in the air of workplace.

本方法各项指标达到《工作场所空气中有毒物质检测方法研制规范》要求，适用于工作场所空气中异亚丙基丙酮的测定。

The method is meet the requirements of Regulation of Studies on the Determination of Toxicants in the Air of Workplace.It is suitable to determine the mesityl oxide in the air of workplace.

本方法各项指标达到《工作场所空气中有毒物质检测方法研制规范》要求，适用于工作场所空气中异亚丙基丙酮的测定。

Methods: Mesityl oxide in the air was sampled by active carbon tube and desorbed by the solvent of carbon disulfide which included 1% methanol, then separated by FFAP capillary column, and finally detected by hydrogen flame detector. The experimental study was conducted according to the requirements of Regulation of studies on the determination of toxicants in the air of workplace.

工作场所空气用活性炭管采集，经1%甲醇的二硫化碳溶液解吸，FFAP毛细色谱柱分离，氢火焰离子化检测器检测，按照《工作场所空气中有毒物质检测方法研制规范》的要求进行方法研究。

The method can avoid the use of toxic substances of chloromethyl ether, etc. during the preparation process of methyl chloride polystyrene resin, and also improves the polysubstitution in chloromethylation reaction.

该方法既可避免在氯甲基聚苯乙烯树脂制备过程中使用氯甲醚之类的有毒物质，又改善了氯甲基化反应中的多取代。

He performed pioneer research concerning the effects of toxic substances on the heart and blood's circulatory system. He performed important experiments concerning the toxicity of water hemlock, arsenic, monkshood, et al. His most important written work in this field was the 1679 Historia cicutae aquaticae.

他演出的先驱研究有关的影响，有毒物质对心脏和血液循环系统他表演的重要实验，有关毒性的水铁杉，砷，附子，等其最重要的写在这一领域的工作是为1679 沿革cicutae aquaticae 。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。