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- This article has discussed and compared preliminarily about selective reduction affection of NaBH_4 and LiAlH_4. 本文对NaBH_4和LiAlH_4的选择性还原作用进行了初步探讨和比较。
- The amphiphilic N,N-diacylated chitosan could be gained by selective reduction of fully acylated chitosan. 通过对完全酰化产物进行选择性还原,可获得两亲性N,N-双酰化壳聚糖。
- Japanese patients physical decline, Be selective reduction, weight loss and weak, can be associated with fever, anemia obvious, or even awareness of fuzzy, Sepsis occurred but rarely see. 患者体力日衰,胃纳减少,消瘦无力,也可伴发热,明显贫血,甚至意识模糊,但发生败血症者很少见。
- The process of selective reduction roasting-ammonia leaching-solvent extraction-electrowinning is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore. 本研究采用选择性还原焙烧-氨浸-溶剂萃取-电积工艺从低品位红土镍矿中综合提取镍、钴、铁,重点介绍了采用煤作还原剂,选择性还原焙烧的试验研究。
- Catalytic Selective Reduction of NO with Methane 用甲烷选择性催化还原一氧化氮
- selective reduction process for nitric acid 选择性还原法制硝酸
- selective reduction of cinnamaldehyde 肉桂醛选择还原
- According to the differences in reducibility of major elements in ocean polymetallic nodules, selective reduction smelting of the nodules is conducted in a DC arc furnace using carbon as reductant, obtaining acceptable Mn enriched slag and smelted alloy. 根据大洋多金属结核中各主要元素的还原性差异,用碳作还原剂,在直流电弧炉中选择性还原熔炼大洋多金属结核,获得了合格的富锰渣产品和熔炼合金。
- Application of Selective Reduction in Multiple Pregnancy 选择性减胎术在多胎妊娠中的应用
- Study on Selective Reduction of Ethyl Benzoylacetate 苯甲酰乙酸乙酯选择性还原的研究
- Clinical study on early selective reduction in multifetal pregnancy 多胎妊娠早期选择性减胎术的临床研究
- The reduction of unemployment should be paramount. 降低失业率应是头等大事。
- Effect of Some Metal Ions on Selective Reduction of Benzoyl Acetone 金属离子对苯甲酰丙酮选择性还原的影响
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- Recent Developments on Selective Reduction of Amides 酰胺还原反应研究进展
- She is selective in the dresses she wears. 她对于自己穿的衣服精挑细选。
- She only stays at select hotels. 她只住一流旅馆。
- The forthcoming talk hold out the hope of real arms reduction. 即将举行的会谈给实现真正的裁军带来了希望。
- Can student willfully select the course? 学生可以随意选择课程吗?