1) pollution-free
无污染;无污染的
3) no pollution
无污染
1.
Each method has its advantage and weakness, but the method of no pollution and high productivity is more and more concerned by people.
异氰酸酯是一种重要的有机合成材料,它的合成方法主要有光气法,碳酸二甲酯法,硝基苯羰化等;每种方法各自有其优点和缺点,但无污染,高产率的合成方法,越来越受到人们的重视。
2.
Using the technology of fermentation bed of organic ecological fungus to raise chickens,the results show that the chicken house was of no odor and no pollution.
利用有机生态菌对发酵床养鸡技术进行了试验研究,结果表明:采用有机生态菌制剂养鸡具有无臭味、无污染、可提高鸡的免疫力等优点,同时省工省饲料,经济效益明显提高。
4) unpolluted
[英][,ʌnpə'lu:tɪd] [美]['ʌnpə'lutɪd]
无污染
1.
Relation of open-circuit voltage and oxygen content in molten metal during unpolluted deoxidization;
无污染脱氧过程中外电路电压与熔池中氧含量的关系
2.
Researches on metallurgy with controlled oxygen flow for unpolluted deoxidation for molten metal and extraction of metal from oxide dissolved in ionic melt are introduced.
总结可控氧流冶金的原理、特点、方法,介绍可控氧流冶金在金属熔体的无污染脱氧以及从溶解于离子熔体中的氧化物提取有价金属方面的研究状况,认为可控氧流冶金有利于创建全新的绿色冶金新技术。
3.
Solid electrolyte, electronic conduction materials and deoxidizer are integrated to make into a deoxidization unit which is used in examination of the unpolluted deoxidization without inclusion for steel melts.
实验表明,脱氧体在钢液中的无污染脱氧过程是一个高速、高效的过程,而且脱氧产物和脱氧剂对钢液均不造成污染。
5) pollution-free
无污染
1.
This paper introduced the improves of roasting-sodium processing and such pollution-free processing as acid leaching-extration,roasting in air-acid leaching-extration,liming roasting-alkali leaching on extraction of V_2O_5 from stone coal,the total recovery rate obtains enhances,the industrial application prospect is good.
介绍了石煤提钒传统工艺的改进以及酸法-萃取、无盐焙烧-酸浸-萃取、氧化焙烧-碱浸等几种从石煤无污染提取五氧化二钒的工艺流程,上述工艺不但生产过程无环境污染,钒的回收率还大有提高,是很有前途的清洁生产工艺。
2.
Extracting Co and Cu from cobalt white alloy in hydrochloric acid solution system with pollution-free oxidant are studied.
在盐酸体系中,采用无污染氧化剂浸出难溶钴白合金的工艺条件进行了研究。
6) chlorine-free pollution
无氯污染
补充资料："谁污染谁治理"原则
见污染者负担原则。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条