1) Natural cleanser
天然洗剂
2) natural water flushing
天然水清洗
1.
A laboratory test for remedying the groundwater environment after in-situ leaching of uranium by natural water flushing is carried out.
通过天然水清洗恢复试验,对铀地浸后地下水环境修复进行了研究。
3) natural calcium powder
天然钙剂
4) natural sorbents
天然吸附剂
1.
The sorption characteristics of natural sorbents for mercuric removal,such as chitosan,clay minerals,microorganisms,and their modified materials are systematically reviewed in this work based on recent research progress.
本文基于国内外最新研究文献,系统论述了汞离子天然吸附剂如壳聚糖、矿物、微生物及其改性材料等的吸附性能,并详细比较了各种吸附剂的优缺点,指出天然吸附剂来源广泛、价格便宜,尤其是修饰后的壳聚糖吸附性能甚至可以和一些合成吸附剂相媲美。
5) natural preservatives
天然防腐剂
1.
Study on the effects of natural preservatives on control of spoilage organisms in pickled radish;
天然防腐剂对萝卜干腐败微生物的控制研究
2.
The results showed that the optimal technical parameter of extracting natural preservatives from pepper by edible alcohol are that ratio of solid to liquid is 1∶25,temperature of extract is 70℃ and time of extract is 20h.
研究了胡椒中天然防腐剂的提取方法和抑菌作用,结果表明,用食用乙醇提取胡椒中防腐物质的最佳提取工艺参数为:固液比1∶25、浸提温度70℃、浸提时间为20h。
3.
With the request of people for health,people have paid attention to them because of natural preservatives characteristic.
随着人们对健康的要求,天然防腐剂以其独特的优点已经受到了人们的关注。
6) natural flocculant
天然絮凝剂
1.
The mechanism of adsorbing fluorion in water by clay and natural flocculant MR was studied.
研究了用粘土和天然絮凝剂MR去除水中氟离子的机理 ,探讨了吸附时间、溶液温度及 pH对吸附的影响。
补充资料：石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
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