许多人对某些亚硫酸盐有过敏反应,包括那些通常作为防腐剂添加到葡萄酒中的亚硫酸盐。
Many people suffer an allergic reaction to certain sulfites, including those that are commonly added to wine as preservatives.
本文阐述了亚硫酸化羊毛脂的应用。
用连二亚硫酸钠也进行了还原漂白。
Reductive bleaching is also carried out, using sodium hydrosulphite.
因此我们要用到粉末状的焦亚硫酸钠。
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.
对红麻亚硫酸氢镁浆HMP三段漂白进行了研究。
This paper studied on the HMP bleaching for the magnesium bisulfite pulp of whole stalk kenaf.
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.
放出的二氧化硫经石灰乳吸收用来制备亚硫酸氢钙。
The dissipated sulfur dioxide was absorbed by the lime cream and applied for preparation of the calcium hydrogen sulfite.
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.
本文对亚硫酸化羊毛脂加脂剂在皮革、毛皮上的应用进行了研究。
This paper expounds the applications of sulfited lanoline fatliquoring agent on some kinds of light leathers and furs.
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.
结果表明,植物经磷酸缓冲液处理后,对亚硫酸伤害具有明显的防护作用。
The result shows that after the plants were sprayed with phosphate buffer, they had an obvious protective function to the harm caused by sulphurous acid.
对盐胀和冻胀规律的研究有助于深入认识硫酸(亚硫酸)盐渍土的工程性质。
Research about salt and frost heaving is helpful to further know the engineering properties of sulfate(sulfurous) saline soil.
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.
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.
采用化学反应合成亚硫酸乙烯酯(es)并将其用作锂离子电池电解液添加剂。
Ethylene sulfite (es) is synthesized by chemical method and used as an additive in lithium-ion cell electrolyte.
研究了超细碳酸钙做为亚硫酸法糖厂糖汁澄清的晶核,对蔗汁澄清效果的影响。
The sedimentation velocity of sugarcane juice clarification using over-fine calcium carbonate crystal for intensifying was studied.
应用鞣质测定的标准方法对重度亚硫酸化改性栲胶进行分析,其鞣质含量仅为3 。
The standard method of determining tannin was used to analyze intensive sulfitation tannin extract and the results showed there was only 3.
经试验确定最佳配比为:25份亚硫酸化油,6份氯化石蜡,2份硅油作为油脂成分。
The proper proportion among of sulphited oil, chlorcosane, and silicone oil in weight is 25:6:2.
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.
方法采用品红亚硫酸法和乙酰丙酮法测定吊白块中甲醛含量,并计算样品中吊白块的含量。
Methods The content of formaldehyde in rongalite was determined by sulfurous acid, magenta and acetylacetone spectrophotometry respectively.
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.
本文研究了分光光度法测定甲醛中的变色酸法和品红亚硫酸法,同时对这两种方法进行了比较。
The chromatropic acid and magenta sulphurous acid methods for the formaldehyde determined by spectrophotometry are studied in this paper, and the two methods are compared.
配法是用亚硫酸使品红溶液还原,若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。
It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin.
介绍了利用天然大豆磷脂、合成磷酸酯、亚硫酸化油等制备复合型磷脂加脂剂的方法及其性能。
The phospholipid fatliquor PPC was prepared by compound method of natural phospholipid and synthetic phosphonate ester and sulphited oil. The properties of the product were discussed.
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.
柑橘属水果或甜瓜(包括西瓜)的果皮,鲜、冻、干或用盐水、亚硫酸水或其他防腐液暂时保藏的。
Peel of citrus fruit or melons (including watermelons), fresh, frozen, dried or provisionally preserved in brine, in sulphur water or in other preservative solutions.
柑橘属水果或甜瓜(包括西瓜)的果皮,鲜、冻、干或用盐水、亚硫酸水或其他防腐液暂时保藏的。
Peel of citrus fruit or melons (including watermelons), fresh, frozen, dried or provisionally preserved in brine, in sulphur water or in other preservative solutions.
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