chlorhydric
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FGD gypsum further into α-form calcium sulfate hemihydrate by heating in an aqueous solution consisting of some alkail earth metal salts and sulfuric acid or chlorhydric acid at the atmospheric pressure has been studied in this subject.
FGD残渣在碱土金属盐类的盐溶液中,在丁二酸、丙三醇等结晶改良剂的作用下,与大气压下加热脱水生成α半水石膏。
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Stable Vitamin K 3 is synthesized by addition reaction of raw materials of niacinamide, chlorhydric acid and menadione sodium bisulfite at 25℃.
以烟酰胺、盐酸为原料,在 2 5℃反应得烟酰胺盐酸盐溶液,而后与亚硫酸氢钠甲萘醌发生加成反应,反应的物料配比为:n ∶ n ∶ n =1∶1。
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When a chlorhydric acid tank arrived at the power station of Harbin Petrochemical Company, it was kept for a whole winter months at a temperature of - 38℃.
中国石油天然气股份有限公司哈尔滨分公司电站车间的一台盐酸储罐进厂后曾在严寒环境(-38℃)放置了一个冬天,致使内壁村胶层质量受到了影响,储罐投用一个月后便发生了腐蚀泄漏事故。
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Under technological conditions such as: room temperature, current density 200 A/m^2, anolyte acidity 0.5 mol/L chlorhydric acid, acidity of catholyte 1.5 mol/L chlorhydric acid, circulation of anolyte and catholyte 40 L/h, Ni(superscript 2+) concertration 0.85 mol/L, and the average cell voltage 1.3 V, the electricity consumption of dissolving a ton of nickel base alloy is 813 kWh, and the Ni(superscript 2+) retention rate of the ion exchange membrane is more than 99.5%.
在电流密度200 A/平方公尺、阳极酸度0.5 mol/L、阴极酸度1.5 mol/L、循环量40 L/h、Ni(上标 2+)浓度0.85 mol/L左右和室温的条件下电解,平均槽电压1.3 V,电溶1 t镍合金板耗电813 kWh,阴离子交换膜对镍的截留率大於99.5%。
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A process for preparing polyaluminum chloride from waste chlorhydric acid and poor quality kaolin has been developed.
开发出一种用废盐酸和劣质高岭土生产聚合氯化铝的方法。
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chlorhydric acid:盐酸
硫酸 sulphuric acid | 盐酸 chlorhydric acid | 硝酸 nitric acid
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chlorhydric acid:氢氯酸
chlorhexidine 洗必泰 | chlorhydric acid 氢氯酸 | chlorianted rubber red iron oxide anti-rust paint 氧化橡胶铁红厚浆型防锈漆
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chlorhydric acid:盐酸;氢氯酸
chlorex process 克罗列士法;二氯乙醚精炼法 | chlorhydric acid 盐酸;氢氯酸 | chloride 氯化物