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- Distribution charts of ash, total sulfur and calorific value weredrawn. 分别绘出了灰分、全硫和发热量的分布图。
- 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。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- The determination of total sulfur content i n BaCO 3 by burn volumetric analysis is introduced. 介绍了燃烧容量法测定碳酸钡总硫含量的分析方法。
- 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
- A new method of total sulfur in coal was successfully developed based on the combination of chemical pre-treatment of samples with ICP-AES. 结合国标中煤样的化学预处理方法和仪器分析方法,提出了一种新的测定煤中全硫含量的方法。
- 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。
- It can be seen that precleaning alone would not reduce the total sulfur content of the four coals to levels anywhere near the standards. 参考译文：可以看出，这四种煤的总含硫量仅靠预先洗选将不能降低到完全接近标准规定的水平。
- The microcoulomb method was proposed to determine the total sulfur in drying gas, and possible disturbances were considered. 提出应用微库仑定硫仪测定干气中总硫的方法,并对可能的干扰进行讨论,在气体氨存在条件下,提出有效且经济的分析方法。
- The analysis theory of gravimetric method is used for analyzing the experimental conditions in determining total sulfur in coal by Eschka method. 将重量法分析理论应用于煤中全硫测定中艾氏法的试验条件分析,介绍了影响艾氏卡重量法测全硫准确度的几大因素与对策。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- The measurements of hydrogen sulfide release during pyrolysis were realized by iodometry, the total sulfur release was evaluated through char analysis. 热解导致的总硫释放量通过对热解焦的分析得到，并用碘量法确定了气相中H2S含量。
- 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
- The paper summarized the methods of determining the sulfur content in petroleum and its products, including total sulfur, elemental sulfur, mercaptan and other sulfide etc. 摘要综述了石油及其产品中总硫、元素硫、硫醇、硫醚、二硫化物等的测定方法。
- 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。
- Measurement method of the total sulfur content in coal water mixture (CWM) was studied through comparison between directed sampling from CWM and from raw material coal. 研究水煤浆中全硫的测定方法,主要研究比较直接称取水煤浆试样和称取水煤浆固体试样测定水煤浆全硫含量方法,其中包括水煤浆分析试样制取方式的研究。
- Properly controlling the injecting speed of smple,the micro-coulometry was proved to be a accuraty and speed method for determing total sulfur content of propylene. 采用微库仑法测定丙烯中的总硫含量,只要严格控制进样速度就可以准确、快速地测出分析结果。
