The use ofβ-cyclodextrin can make oximation of acetylacetone happened without sulfuric acid and at high temperature.
使用环糊精催化乙酰丙酮肟化反应,可在不使用硫酸、高温下实现乙酰丙酮的肟化。
参考来源 - 新型βIn this research, the biomass was pretreated by sodium hydroxide (NaOH), ammonia and sulfuric acid (H2SO4), respectively.
本研究中,分别采用氢氧化钠、氨水、硫酸对芨芨草进行预处理。
参考来源 - 芨芨草转化燃料乙醇的预处理研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
Hastelloy C is also resistant to nitric, hydrochloric, and sulfuric acids at moderate temperatures.
在适中的温度下,耐盐酸镍基合金C还具有耐硝酸、耐盐酸和耐硫酸腐蚀的特性。
As the smog ages and reacts with oxygen, organic and sulfuric acids condense as droplets, increasing the haze.
由于年龄和烟雾与氧气反应,有机和浓缩的硫磺酸液滴,增加了烟雾。
They do not burn readily and are reasonably resistant to chemicals, except for nitric and sulfuric acids, chlorinated hydrocarbons, and aldehydes.
它们不易燃烧,相当地耐化学品,除非是硝酸、硫酸、氯化烃和醛类。
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