• 硫酸之后会产生亚硫酸氢钠

    In the presence of water, the sodium metabisulfite produces sodium bisulfite.

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  • 讨论亚硫酸氢还原剂可能反应机理

    This paper also discusses the possible reaction mechanism by using sodium sulfite as reducing agent.

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  • 一些样品亚硫酸氢钠引起一部分,二苯基乙酸解散

    Some samples of sodium bisulfite caused part of the diphenyl-acetic acid to dissolve.

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  • 亚硫酸氢钠测序检测表达差异基因调节序列甲基化状态

    Bisulfite sequencing was used to determine the methylation status of the regulatory sequence in which gene the expression are significantly difference.

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  • 选用乙醇作为溶剂实现亚硫酸氢异氰酸酯良好封闭

    The study realized the good blocking of isocyanate by sodium bisulfate with the mixing solvent of ethanol and water.

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  • 人们早就观察到浓度亚硫酸处理提高叶片光合速率

    It was observed early that low concentrations of sodium bisulfite treatment increased net photosynthetic rate in leaves.

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  • 亚硫酸氢钠半胱氨酸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.

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  • 人们已经知道,亚硫酸可以加成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.

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  • 环氧氯丙烷亚硫酸氢原料采用步法合成2,3-环氧丙磺酸

    The paper takes wreath epoxy chloropropane, bisulfite sodium as raw material, the adopting two methods to synthesize 2,3-oxiranemethane sulfonic acid sodium salt;

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  • 结论方法专属性好,简便快捷用于亚硫酸氢钠穿心莲内酯质量控制

    Conclusion: This specific and efficient HPLC method can be used for the quality control of andrographolide sodium bisulfite.

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  • 分析了目前我国烟气脱硫现状论述了烟气二氧化硫制备亚硫酸氢钠意义

    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.

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  • 抑制剂的效果依次是亚硫酸、L-半胱氨酸坏血、柠檬酸。

    The orders of inhibition effect from strong to weak were from NaHSO3, L-Cys, VC to Citric Acid.

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  • 丙酮甲醛亚硫酸氢钠主要原料合成水溶性磺化丙酮-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.

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  • 鸭梨为原料,研究不同列(维生素C、亚硫酸氢钠柠檬酸影响

    The effects of different colour fixative (VC. NaHSO3 and citrus acid ) on browning - control of Ya pear juice were studied.

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  • 结果表明,过硫酸铵-亚硫酸引发体系适宜DMCAMAA三元共聚物制备

    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.

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  • 结果表明,过硫酸铵-亚硫酸引发体系适宜于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

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  • 溶剂,过硫酸铵-亚硫酸氢氧化还原引发体系,研究了分子质量丙烯酸合成

    Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.

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  • 研究硝酸、过硫酸铵、过硫酸铵-亚硫酸氢引发玉米淀粉丙烯酸接枝共聚反应

    Graft polymerization of acrylic acid onto maize starch using ceric ammonium nitrate, ammonium persulfate and ammonium persulfate sodium bisulfate as initiators is studied.

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  • 对照(清水)相比,该组合可以好地抑制鲜切荸荠的褐变,但略差0.1%亚硫酸氢钠处理

    Compared with treatment with 0.1% NaHSO3 and the control with water, it was a good inhibition combination.

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  • 本文基于维生素K_3(亚硫酸氢醌)甲萘醌碱性介质中氨基硫脲生成紫色化合物反应

    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.

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  • 研究了过硫酸铵亚硫酸氢钠碳酸引发下烯酰胺水溶液聚合动力学,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.

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  • 探讨采用烟气二氧化硫制备亚硫酸氢钠优点出发,理论实践两个方面分析了方法可行性

    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.

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  • 异佛尔酮二异氰酸酯氨基硅油反应然后饱和亚硫酸封端,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.

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  • 基酚聚氧乙烯原料,与顺酐酯化亚硫酸氢钠磺化,合成了壬基酚聚氧乙烯醚琥珀酸双酯磺酸

    Nonylphenol polyoxyethylene ether was esterified with maleic anhydride and then sulfonated with sodium bisulfite to form nonylphenol polyoxyethylene ether sulfosuccinic acid diester sodium salt.

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  • 评价氧剂氧化能力,测定了抗氧剂硫酸亚硫酸氢钠硫酸水溶液反应速率常数

    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.

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  • 目的考察注射亚硫酸氢钠穿心莲内酯分别5%葡萄糖注射液0.9%氯化注射液配伍稳定性溶血性

    Objective To study the stability and hemolysis of andrographolide-sodium bisulfite injection mixed with 5% glucose and 0.9% sodium chloride injections.

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  • 依赖亚硫酸氢处理甲基化的 胞嘧啶选择性去氨基为 尿嘧啶通常接着所选靶向区域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.

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  • 结果表明鸭梨加工过程中加入0.035%的抗坏血,0.03%的亚硫酸氢钠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.

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  • 结果表明,采用以过硫酸铵亚硫酸氢钠为引发剂的率、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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  • 结果表明,采用以过硫酸铵亚硫酸氢钠为引发剂的率、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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