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- Danish women have contact allergy caused by nickel. 丹麦妇女因镍造成接触性过敏症。
- 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。
- pollution by nickel 镍污染
- 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。
- 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。
- Furthermore, the protein isolated in the periplasm can be purified by nickel ion affinity chromatography. 而且从周质空间分离的蛋白经过镍住得到了进一步的纯化。
- XRD and TPR analysis prove that the crystal structure and reducibility of the catalysts are affected by nickel loading. XRD和TPR 表征结果显示，催化剂的晶体结构和还原特性也与催化剂上镍的负载量有关。
- 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 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。
- The river has been polluted by factory waste. 这条河流被工厂废物所污染。
- AIM To investigate which damage will be induced by nickel chloride in vivo in rat cells and its relation to the activity of poly ADP ribose polymerase(PARP). 目的 了解NiCl2 在体内对大鼠细胞的DNA产生何种损伤以及与聚腺苷二磷酸核糖聚合酶(PARP)活性的关系。
- In view of the poor solderability of metallic film formed on ceramic surface, a secondary metallization of ceramic surface by nickel plating was advanced. 为提高陶瓷金属化层的焊接性能,提出了一种陶瓷二次金属化镀镍工艺。
- 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。
- Propylene is deoxidized by nickel containing catalyst as deoxidizer in polypropylene plant, but excess temperature phenomenon exists at activation and propylene entering steps. 聚丙烯装置使用镍触媒脱氧剂对丙烯进行脱氢精制,在活化和进丙烯阶段出现超温现象。
