Anhydrous oxalic acid are hygroscopic.
无水草酸有吸湿性。
Anhydrous nitric acid is dissociated.
无水硝酸是电离的。
The physicochemical properties of wheat starch was studied before and after treated in anhydrous alcohols with acid.
研究了小麦淀粉在有机醇溶液中酸变性前后的物化性质。
Oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.
氧化剂的制造是将二价无水醋酸锰溶于冰醋酸中，用高锰酸钾将其氧化成三价醋酸锰。
In existence of the anhydrous sodium acetate using 5 chloroacetylbarbituric acid to cyclize and condense with different aromatic aldehydes to synthesize a series of aurones.
用氯乙酰巴比妥酸在无水乙酸钠存在下环合后再与不同的芳香醛缩合合成噢类化合物。
The solvent effect of anhydrous acetic acid was described in detail.
详细的分析了冰醋酸在重氮化反应中的溶剂效应。
Nicotinic acid and lithium hydroxide monohydrate were chosen as the reactants, anhydrous lithium nicotinate was synthesized by the method of hydrothermal synthesis.
选择分析纯烟酸和一水氢氧化锂为反应物，利用水热合成方法合成了无水烟酸锂。
The effects of molar ratio of anhydrous ethanol to glacial acetic acid , dosage of catalyst, reaction temperature and reaction time on the esterification ratio and reuse of catalyst were discussed.
探讨了酸醇物质的量的比，催化剂的用量，反应时间和反应温度对酯化率的影响及催化剂的重复使用情况。
Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst.
以异烟酸、无水甲醇为原料，固体超强酸做催化剂，合成了异烟酸甲酯。
Aluminium borate melting block was prepared by the combination of boric acid, anhydrous alum and potassium sulfate.
采用硼酸和无水明矾及硫酸钾压块、焙烧、制备硼酸铝熔块。
The p-ethylacetophenone was synthesized with acetylated, ethylbenzene and anhydrous aluminium chloride, then was oxidized top-ethylbenzoic acid with iodoform reaction.
以乙酸酐、乙基苯和无水三氯化铝为原料合成对乙基苯乙酮，并利用碘仿反应氧化对乙基苯乙酮制备对乙基苯甲酸。
The physicochemical properties of potato starch were studied with or without modification by hydrochloric acid in anhydrous alcohols, including methanol, ethanol, 2-propanol and 1-butanol.
本文研究了马铃薯淀粉在有机醇溶液中酸变性前后的物化性质。
Cyclohexyl acetate was synthesized from acetic acid and cyclohexanol with anhydrous aluminum chloride as catalyst.
以无水三氯化铝作催化剂，对环己醇脱水制备环己烯的反应进行研究。
A new type filler, PTFE ladder Rasching ring is designed and used in the washing tower of anhydrous hydrofluoric acid equipment, properties of this filler is also analyzed.
设计了1种新型填料—ptfe阶梯拉西环并应用在无水氢氟酸装置的洗涤塔中，分析了该填料的特性。
A new type filler, PTFE ladder Rasching ring is designed and used in the washing tower of anhydrous hydrofluoric acid equipment, properties of this filler is also analyzed.
设计了1种新型填料—ptfe阶梯拉西环并应用在无水氢氟酸装置的洗涤塔中，分析了该填料的特性。
应用推荐