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- Preventing pollution by automobile emission ? 防治机动车排气污染物污染。
- Preventing pollution by automobile emission? 防治机动车排气污染物污染。
- Macrographic examination by sulfur print (Baumann method). 标准/规范英文名： Steel products.
- pollution by sulfur oxides 硫氧化物污染
- The river has been polluted by waste products from the factory. 这条河已经受到工厂排放的废料的污染。
- pollution by sulfur 硫污染
- Less pollution by decease of film and water waste. 5. 4.;降低废片及废水造成的环境污染。
- The area will be free of pollution by the year 2006. 到2006年，这个地区将没有污染。
- Immediate steps should be taken to prevent pollution by excreta. 要立即采取措施防止排泄物污染。
- It was reported that about 80% of the chemical casualties in WW I was caused by sulfur mustard. 据估计一战中芥子气的伤亡率约占化学损伤伤亡率的80%25,因此被称为“毒剂之王”。
- The mechanical properties of EPDM/NBR blends cured by peroxide is better than those cured by sulfur. 相对于用硫磺硫化的并用胶而言，用过氧化物硫化的并用胶的力学性能较好。
- Reduces air pollution by minimizing the discharge of unburned hydrocarbon . 将未燃烧的碳氢化合物含量降至最低，减少了空气污染。
- Rice straw is recycled for reuse to avoid creating pollution by burning it. 避免燃烧稻草造成污染，稻草也要回收再利用。
- The fiver has been polluted by factory waste. 这条河流被工厂废物所污染。
- The content of hydrogen sulfied in cokeoven gas was determinated by Gas Chrognotogphy. This method had high accuracy and procision and it didn't affect by sulfur dioxide. 用气相色谱法测定焦炉煤气中的硫化氢含量。该方法具有简便、快速等优点,准确度、精密度都较高,不受干扰物质二氧化硫的影响,完全满足成分复杂的焦炉煤气中硫化氢的测定
- The water was polluted by refuse from the factory. 工厂所排放的废物弄脏了水。
- The air was polluted by factory smoke. 空气被工厂冒的烟污染了。
- In the light of the serious corrosion of crude oil pipeline caused by sulfur,a sulfur solvent manufactured by dimethyl disulfide (DMDS)has been developed. 针对含硫原油输送中对管道造成的严重腐蚀,研制出了以DMDS为主剂的硫溶剂来除去原油中的硫,并对其性能和特点以及再生的方法进行了评价和研究。
- The river has been polluted by factory waste. 这条河流被工厂废物所污染。
- The rapid growth of its population,industry and commerce remain at the root of pollution by human activities. 人口激增，工商业蓬勃发展，这些人类活动正是污染的根源。
