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- sulfurous acid gas 二氧化硫
- 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. 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。
- The ore was heated in the kilns to drive off water and carbonic acid gas. 矿石被放入窑里加热,蒸发掉水和碳酸气。
- The cooking liquor, called acid, is thus a solution of calcium which contains an excess of sulfurous acid. 蒸煮所用酸液是一种含有过量硫酸的酸性亚硫酸钙的溶液。
- Acidic gas or water can also ruin the monolith. 酸性的气体或液体也会腐蚀、侵害塑胶制品。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- The virulent matter such as the sulfurous acid and so on in fog is harmful to people's health, outside agriculture and metal material. 雾中含有亚硫酸等有毒物质,有害人们身体健康,有害室外农业和有损外露金属材料,属气象灾害。
- The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite. 亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- The paper introduces the reaction mechanism of oxidating sulfurous acid calcium to gypsum and some factors to influence the reaction process. 介绍了亚硫酸钙氧化为石膏的反应机理及影响反应过程的某些因素。
- The cure characteristics of STW, which was removed from acid gas ,was researched. 对用酸性气体脱除物做成的样品STW的硫化特性等性能进行了研究。
- The generous cup pluses to embellish colourfully, floating the beer of the carbonic acid gas bubble, drinking with it is also a delicious clearness! 宽大的杯口加上五颜六色的点缀,浮着气泡的啤酒,用它来饮用更是香醇清爽!
- The PMK controller is utilized in the sulphur recovery equipment in Qilu Shengli Oil Refinery to control the acid gas and sulphur trecovery. 介绍了齐鲁胜利炼油厂的硫磺回收装置中采用克劳斯硫回收方法,在控制手段上采用PMK调节器控制酸性气,回收硫磺。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- This is especially important when PTFE washers are being used in acid gas service where the elimination of moisture contamination is critical. 当PTFE垫圈用于去除水蒸汽污染十分关键的酸性气体设施时,这是特别重要的。
- The industrial advance was reviewed on the technology of decompositing phosphogypsum for the production of sulfur acid and cement all round the world. 本文综述了国内外利用磷石膏生产硫酸和水泥的工业技术进展。
- Through the research of acidic gas corrosion to sampling steel cylinder and the repeated on-site sampling practice, the sampling method of high sulfur gas sample has been obtained, and sampling flowsheet of high sulfur gas sample established. 通过酸性气体对取样钢瓶的腐蚀性研究和多次的现场取样实践, 得出了高含硫气样取样方法和确立了高含硫气样取样流程。
- The liquid flows out the groove and turns into a liquid curtain for better cooling and good carbonic acid gas absorption. 液体流动出槽,并演变成液体窗帘,为更好地冷却和良好的碳酸气体吸收。
- A substance, such as sulfuric acid, that removes water. 脱水物质脱去水分的一种物质,如硫酸
- Conclusion:The sulfuric acid anthrone method is reasonable. 结论:该法可作为桑叶中多糖的含量测定方法。