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- ethyl sulfuric acid 乙基硫酸
- 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 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。
- 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。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- 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
- Ethyl lactate was synthesized by transesterification of D, L-lactide with ethanol utilizing concentrated sulfuric acid as catalyst. 研究了D,L-丙交酯在浓硫酸催化作用下,与乙醇进行酯交换反应合成乳酸乙酯。
- 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。
- A volatile,highly flammable liquid,C2H5OC2H5,derived from the distillation of ethyl alcohol with sulfuric acid and widely used as a reagent,a solvent,and an anesthetic. 乙烯一种易挥发的,极易燃烧的液体C2H5OC2H5,由乙醇与硫酸一起蒸馏获得,广泛用作试剂、溶剂和麻醉剂。
- A volatile, highly flammable liquid, C2H5OC2H5, derived from the distillation of ethyl alcohol with sulfuric acid and widely used as a reagent, a solvent, and an anesthetic. 乙烯一种易挥发的,极易燃烧的液体C2H5OC2H5,由乙醇与硫酸一起蒸馏获得,广泛用作试剂、溶剂和麻醉剂
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- 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。
- 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。
- Methods: Qualitative analysis by TLC, a mixed solvent of n-hexane - ethyl acetate - acetic acid(6:4:0.25) was employed as the mobile phase,color developing agent was 10%sulfuric acid and ethanol solution. 方法:薄层鉴别采用硅胶G薄层板;展开剂:正己烷-醋酸乙酯-冰醋酸(6:4:0.;25);显色剂:10%25硫酸乙醇溶液;
- The kinetics of the thermal decomposition reaction of methyl ethyl ketone peroxide (MEKPO) with sulfuric acid of different concentration had been studied by an Accelerating Rate Calorimeter (ARC). 采用绝热加速量热仪(ARC)研究了含有不同浓度的硫酸的过氧化甲乙酮(MEKPO)分解过程,得到了它们的绝热分解温度和压力随时间变化曲线。
- The nitrile (II) (28 g) was mixed with 26 ml of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- The nitrile (II) (28 g) was mixed with 26 ml.of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- Muriatic Acid and cocaine are natural ingredients as well. So is sulfuric acid. 盐酸和古柯碱都也是天然成分,所以硫酸也是...