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.
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.
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.
亚硫酸氢钠测序检测表达有差异的基因调节序列的甲基化状态。
Bisulfite sequencing was used to determine the methylation status of the regulatory sequence in which gene the expression are significantly difference.
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.
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.
亚硫酸氢钠,半胱氨酸,抗坏血酸为强烈抑制剂,柠檬酸抑制作用稍差。
Sodium bisulfite, Homocysteine, a strong inhibitor of ascorbic acid, citric acid inhibition word.
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.
以环氧氯丙烷、亚硫酸氢钠为原料,采用两步法合成2,3-环氧丙磺酸钠;
The paper takes wreath epoxy chloropropane, bisulfite sodium as raw material, the adopting two methods to synthesize 2,3-oxiranemethane sulfonic acid sodium salt;
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.
分析了目前我国烟气脱硫的现状,论述了用烟气中二氧化硫制备亚硫酸氢钠的意义。
The current status of flue gas desulfurization in our country was analyzed, and the significance of using SO2 in flue gas to prepare NaHSO3 was discussed.
四种抑制剂的效果由强到弱依次是亚硫酸氢钠、L-半胱氨酸、抗坏血酸、柠檬酸。
The orders of inhibition effect from strong to weak were from NaHSO3, L-Cys, VC to Citric Acid.
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.
以鸭梨为原料,研究了不同护色列(维生素C、亚硫酸氢钠和柠檬酸)对梨汁褐变的影响。
The effects of different colour fixative (VC. NaHSO3 and citrus acid ) on browning - control of Ya pear juice were studied.
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.
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 …
以水为溶剂,过硫酸铵-亚硫酸氢钠氧化还原引发体系,研究了低分子质量聚丙烯酸钠的合成。
Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.
研究了以硝酸铈铵、过硫酸铵、过硫酸铵-亚硫酸氢钠为引发剂玉米淀粉与丙烯酸的接枝共聚反应。
Graft polymerization of acrylic acid onto maize starch using ceric ammonium nitrate, ammonium persulfate and ammonium persulfate sodium bisulfate as initiators is studied.
与对照(清水)相比,该组合可以较好地抑制鲜切荸荠的褐变,但略差于0.1%亚硫酸氢钠的处理。
Compared with treatment with 0.1% NaHSO3 and the control with water, it was a good inhibition combination.
本文基于维生素K_3(亚硫酸氢钠甲萘醌)或甲萘醌在碱性介质中与氨基硫脲生成紫色化合物的反应。
The method was based on the reaction of the vitamin K_3 (menadione sodium bisulfite) or menadione with thiosemicarbazide to form an violet compound in alkaline medium.
研究了过硫酸铵—亚硫酸氢钠—碳酸氢铵引发下丙烯酰胺水溶液聚合的动力学,导出了聚合动力学方程。
The kinetics of polymerization of acrylamide in aqueous solution induced by ammonium persulphate-sodium bisulfite-ammonium bicarbonate is studied and a kinetic equation is therefore obtained.
从探讨采用烟气中二氧化硫制备亚硫酸氢钠的优点出发,在理论和实践两个方面分析了该方法的可行性。
Based on the advantages of using SO2 in flue gas to prepare NaHSO3, the feasibility of the method was analyzed from both the theory and practice.
用异佛尔酮二异氰酸酯与氨基硅油反应,然后用饱和亚硫酸氢钠封端,合成出具有反应性的聚氨酯改性硅油。
Polyurethane modified amino-silicone oil was synthesized by the reaction of amino-silicone oil and IPDI, and capped with saturated sodium hydrogen sulfite.
以壬基酚聚氧乙烯醚为原料,与顺酐酯化再与亚硫酸氢钠磺化,合成了壬基酚聚氧乙烯醚琥珀酸双酯磺酸钠。
Nonylphenol polyoxyethylene ether was esterified with maleic anhydride and then sulfonated with sodium bisulfite to form nonylphenol polyoxyethylene ether sulfosuccinic acid diester sodium salt.
为评价抗氧剂的抗氧化能力,测定了抗氧剂亚硫酸钠、亚硫酸氢钠及焦亚硫酸钠在水溶液中与氧反应的速率常数。
To evaluate the antioxygenic property of the antioxidants, the oxidation reaction rate constants of sodium sulfite, sodium bisulfite and sodium pyrosulfite in aqueous solutions were determined.
目的考察注射用亚硫酸氢钠穿心莲内酯分别与5%葡萄糖注射液和0.9%氯化钠注射液配伍的稳定性及溶血性。
Objective To study the stability and hemolysis of andrographolide-sodium bisulfite injection mixed with 5% glucose and 0.9% sodium chloride injections.
它依赖于用亚硫酸氢钠处理后,非甲基化的 胞嘧啶选择性的去氨基为 尿嘧啶,通常接着所选的靶向区域的PCR扩增。
It relies upon the selective deamination of unmethylated cytosine to uracil after treatment with sodium bisulphite, usually followed by PCR amplification of the chosen target region.
结果表明:鸭梨汁加工过程中加入0.035%的抗坏血酸,0.03%的亚硫酸氢钠和0.01%的柠檬酸抑制褐变效果较好。
The results showed that drowning of fruit juice was inhibited significantly by adding 0.035 % ascorbic acid, 0.03 % NaHSO3 and 0.01% citrus acid during processing.
结果表明,采用以过硫酸铵亚硫酸氢钠为引发剂的产率、接枝率、接枝效率分别达到64.04%、73.82%、86.43%。
The result shows that the yield, the graft yield and the graft efficiency are 64.04%, 73.82%, and 86.43%, respectively.
结果表明,采用以过硫酸铵亚硫酸氢钠为引发剂的产率、接枝率、接枝效率分别达到64.04%、73.82%、86.43%。
The result shows that the yield, the graft yield and the graft efficiency are 64.04%, 73.82%, and 86.43%, respectively.
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