PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco.
多环芳烃是由煤炭、柴油、石油和汽油的燃烧释放出来的，或者如烟草这样的有机物。
The types of pollutants entering streams, lakes and oceans from such sources include organic wastes, other nutrients, toxic chemicals and other hazardous substances, heated water, and sediments.
进入河流、湖泊和海洋的污染物类型包括有机废料、其他营养物、有毒化合物和其他危险物质、热废水和沉积物。
The reducing strength and amount of organic reducing substances produced from different green manures were different from each other.
不同有机物料所产生的有机还原性物质的强度和数量各不相同。
Like other biological treatment process, the purified reaction of RBC includes: oxidation and decomposed of organic substances, nitration, denitrification and so on.
与其他生物处理工艺相同，生物转盘的净化反应包括：有机物的氧化分解、硝化、脱氮等。
PAHs are a group of chemicals that are formed the incomplete burning of coal, oil and gas, garbage, or other organic substances.
多环芳烃是一组化学物质，他们是由未经完全燃烧的煤。油和气。垃圾。或是其它有机物质形成的。
In general, it is composed of 50% resin and vegetable balsam, 30% wax, 10% essential and aromatic oils, 5% pollen, and 5% various other substances, including organic debris.
一般来说，蜂胶的基本成分为：50%的树脂，30%的蜂蜡，10%的挥发物和芳香油，5%的花粉，以及5%的其它物质。
To find a practical and economical way to degradation of organic pollutants, as well as H2SSO2CS2 hydrocarbons, freon, halons and other substances is an important task.
寻求一种切实可行又经济实惠的方法来降解有机污物以及H2SSO2CS2碳氢化合物，氟里昂，哈龙等物质是一项很有意义的工作。
A variety of inorganic and organic substances, microorganisms, tissue cells and other biological materials were used for testing the efficiency of the sample disrupters. The results and conditions …
结果表明进口粉碎机与国产样机的粉碎效果相仿，同时为各类医药材料的超声粉碎提供了参考条件。
A variety of inorganic and organic substances, microorganisms, tissue cells and other biological materials were used for testing the efficiency of the sample disrupters. The results and conditions …
结果表明进口粉碎机与国产样机的粉碎效果相仿，同时为各类医药材料的超声粉碎提供了参考条件。
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