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- Carbon deposits will decrease engine efficiency, increase fuel consumption, increase octane needs, and increase hydrocarbon pollution. 增加积碳累积;减低引擎的效率;增加油料;增加燃料需求量;更加速环境污染.
- The hydrocarbons pollution and its sources in the sediments of the Yellow River delta. 黄河三角洲沉积物烃类污染及来源。
- Based on the analytical results, the present situation and features of the distribution of petroleum hydrocarbons pollution in shellfiShes along the coast have been discussed. 本文用石油烃的分析数据为基础,讨论了沿岸贝类受石油烃污染的现状和分布特征;
- petroleum hydrocarbon pollutants 石油烃污染
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Pollution has stripped the trees of their foliage. 污染剥光了这些树的叶子。
- We have freed the lake from pollution. 我们已经清除了该湖的污染。
- Determination of hydrocarbon pollutant in soil samples by fluorescence spectrum 荧光光谱法快速检测土壤中荧光烃类污染物
- Many young people could not resist the spiritual pollution. 很多年轻人不能抵制精神污染。
- The petroleum hydrocarbon is called hexane. 己烷是一种石油碳氢化合物。
- The hydrocarbon must be an alkene. 这个碳氢化合物必定是烯烃。
- It will cause pollution and the destruction of our seas and oceans. 这会引起污染,破坏我们的海洋和江河。
- We are sad about the pollution of our beaches with oil. 我们很痛心石油对我们海滩的污染。
- Any of various hydrocarbon pesticides, such as DDT, that contain chlorine. 有机氯一种含氯的碳氢化合物杀虫农药,如滴滴涕杀虫剂