用硫酸氢钠代替硫酸作为酯化催化剂。
Sodium bisulfate can be used as catalyst for the esterification instead of sulphuric acid.
结果表明，硫酸氢钠的催化活性良好。
采用硫酸氢钠为催化剂合成乳酸乙酯。
焦亚硫酸钠在遇水之后会产生亚硫酸氢钠。
In the presence of water, the sodium metabisulfite produces sodium bisulfite.
硫酸氢钠能够代替硫酸作为酯化催化剂。
Sodium bisulfate can be used as catalyst for the esterification instead of sulfuric acid.
硫酸氢钠能够代替硫酸作为酯化作用的催化剂。
Sodium bisulfate can be used as a catalyst for esterification instead of sulphuric acid.
讨论了以亚硫酸氢钠为还原剂的可能的反应机理。
This paper also discusses the possible reaction mechanism by using sodium sulfite as reducing agent.
以环己醇为原料，硫酸氢钠为催化剂，合成了环己烯。
Cyclohexene was synthesized from cyclohexanol using sodium bisulfate as catalyst.
研究了一水硫酸氢钠催化合成丙酸环己酯的反应条件。
The reaction conditions of synthesis of cyclohexyl propionate catalyzed by sodium bisulfate monohydrate were studied.
一些样品的亚硫酸氢钠引起的一部分，二苯基乙酸解散。
Some samples of sodium bisulfite caused part of the diphenyl-acetic acid to dissolve.
结论硫酸氢钠为催化剂，分离方便，副反应少，催化活性高。
Conclusion: Sodium bisulfate as a catalyst is characterized by high activity and less assistant reaction, and can be easily broken down.
以富马酸和乙醇为原料，硫酸氢钠作催化剂合成富马酸二乙酯。
Diethyl fumarate was synthesized with fumaric and alcohol as raw materials and sodium acid sulfate as catalyst.
在一水硫酸氢钠催化下由柠檬酸和正丁醇合成了柠檬酸正丁酯。
The tri-n-butyl citrate was synthesized by esterification of citric acid with butyl alcohol in the catalysis of sodium bisulfate.
选用乙醇和水作为溶剂，实现亚硫酸氢钠对异氰酸酯的良好封闭。
The study realized the good blocking of isocyanate by sodium bisulfate with the mixing solvent of ethanol and water.
介绍铬酸酐生产中，含铬硫酸氢钠废料用于前工段中和、预酸化。
The paper introduces the application of chromic flotsam natrium bisulfate in the course of neutralization and pre acidification in industry of chromic acid anhydride.
人们很早就已观察到低浓度亚硫酸氢钠处理能提高叶片净光合速率。
It was observed early that low concentrations of sodium bisulfite treatment increased net photosynthetic rate in leaves.
以癸二酸和正己醇为原料，硫酸氢钠为催化剂合成了癸二酸二正己酯。
Dihexyl sebacate was synthesized from sebacic acid and n-hexanol alcohol with Sodium bisulfate as catalyst.
利用二甘醇为原料，一水硫酸氢钠为催化剂合成了1，4 二氧六环。
The synthesis of 1,4dioxane employing the diethylene glycol as raw material and sodium bisulfate monohydrate as catalyst was discussed.
综述了近年来硫酸氢钠催化酯合成的进展，并对其发展前景进行了展望。
This paper reviews the new advance for the synthesis of the ester in recent years. The relative prospects are forecasted.
结果对硝基苯甲酸乙酯收率达98%，硫酸氢钠绝大部分以固体形式存在。
Results: the yield was over 98%, and most of the sodium bisulfate was in the solid form.
人们已经知道，亚硫酸氢钠可以加成到酮的羰基基团形成一个晶体加成产物。
It is a somewhat well known fact that sodium bisulfite will add to the carbonyl group of a ketone to form a crystalline addition product.
将硫酸氢钠作为由乙二醇单甲醚和乙酸酯化合成乙二醇单甲醚乙酸酯的催化剂。
Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.
结论：本方法专属性好，简便快捷，可用于亚硫酸氢钠穿心莲内酯的质量控制。
Conclusion: This specific and efficient HPLC method can be used for the quality control of andrographolide sodium bisulfite.
比较了六水三氯化铁、五水四氯化锡和一水硫酸氢钠催化合成橙花素的催化活性。
Compared the catalytic activity of ferric chloride hexahydrate, stannic chloride pentahydrate and sodium bisulfate monohydrate for synthesis of nerolin bromelia.
甲醛次硫酸氢钠检出（超标）率，馒头最低（0.0%），粉丝最高（22.9%）。
The detection rate of methanal sodium bisulfite was the lowest in steamed bun (0.0%) and the highest in vermicelli (22.9%).
以丙酮、甲醛和亚硫酸氢钠为主要原料合成了水溶性磺化丙酮-甲醛缩合物(SAF)。
Water soluble sulfonated acetone formaldehyde (SAF) resins were synthesized by using acetone, formaldehyde and sodium bisulfite as starting materials.
结果表明，过硫酸铵-亚硫酸氢钠引发体系最适宜于DMC／AM／AA三元共聚物的制备。
The experimental results show that ammonium persulfate-sodium hydrogen sulphite redox initiation system is the most appropriate for the preparation of DMC/AM/AA terpolymers.
利用微波辐射技术，以硫酸氢钠为催化剂，快速合成了丙酸异戊酯，并考察了影响反应的因素。
By Using the technique of microwave radiation, under the catalyst of sodium hydrogen sulfate, isoamyl propionate can be synthesized fast, the factors of the influencing reaction were investigated.
利用微波辐射技术，以硫酸氢钠为催化剂，快速合成了丙酸异戊酯，并考察了影响反应的因素。
By Using the technique of microwave radiation, under the catalyst of sodium hydrogen sulfate, isoamyl propionate can be synthesized fast, the factors of the influencing reaction were investigated.
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