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- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- Sodium carbonate amount 碳酸钠用量
- Packing of sodium carbonate for industrial use II. 工业用碳酸钠包装2。
- In this paper, the quality of the manual noodle such as the amount of water, salt, sodium carbonate and phosphate monoester starch were mainly studied. 摘要主要研究水量、盐量、碱量、磷酸单酯淀粉对手工面条品质的影响。
- In case of fire, use sodium carbonate or dry sand (never use water). 着火时使用碳酸钠或干沙子灭火(禁止用水);
- A series of standard solution made up with standard substance of sodium carbonate, and combusted in a high-frequency induction furnace with pure oxygen, and the amount of total carbon was measured by infrared absorption. 摘要以碳酸钠为基准物质,配成一系列标准溶液,在通有纯氧气的高频炉中燃烧,红外吸收法测定碳含量,绘制校准曲线,测定矽中总碳量,与推荐值基本一致,方法准确、结果满意。
- It is stirred with 10%sodium carbonate solution(50ml)and then with water (50ml), after which it solidifies. 与10%25碳酸钠溶液(50毫升)混合搅拌,然后再用50毫升水混合搅拌,从而析出固体。
- A similar pigment made synthetically by heating clay, sodium carbonate, and sulfur together. 佛青,群青用把粘土、碳酸钠和硫放在一起加热的方法合成的相似的颜料
- Examples are sodium carbonate and potassium acid phthalate which are used to standardize acid and base solutions. 例如碳酸钠和邻苯二酸氢钾,分别用来标定酸和碱溶液。
- Hard water which can be softened by adding sodium carbonate is called permanent hard water. 经过加入碳酸钠能被软化的硬水,称为永硬水。
- Aspirin is synthesized through O-acylating reaction from salicylic acid and anhydride acetic acid with anhydrous sodium carbonate as catalyst. 以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O-酰化反应合成了阿司匹林。
- The catalyst carrier for biomass pyrolysis was prepared by red mud,fly ash and anhydrous sodium carbonate. 以赤泥和粉煤灰为原料,无水碳酸钠为造孔剂,制备了用于生物质裂解的催化剂载体。
- High alkyl sulfate, non-ionic surfactant, sodium metasilicate, calcium carbonate, sodium carbonate. 高分子烷基硫酸盐,非离子表面活性剂,硅酸钠,碳酸钙,碳酸钠
- A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced. 本文介绍了以氟硅酸钠、纯碱为原料生产晶体氟化钠的工艺,并对操作条件作了详细的说明。
- High temperaturc reaction of quartz, alumina, kaolin and sodium carbonate was examined. 本文考查了石英、三氧化二铝及高岭石与纯碱在高温条件下的反应过程。
- The determination method of molybdenum and sodium carbonate content in sodinm molybdate was proposed. 提出了工业钼酸钠中钼和碳酸钠含量的测定方法。
- Using phenophthalein to make indicator to measure sodium carbonate, the end point is instable. 用经典的以酚酞作指示剂测定碳酸钠的方法,终点不稳定;
- A kind of total cross-section type carbon-in-ash measuring equipment was introduced in the article, and it was applied in the power plant to measure carbon amount in the fly ash online. 摘要介绍了一种全截面式飞灰含碳量测量装置,并将其应用到电厂锅炉飞灰含碳量的在线监测。
- Jllere for direct compounding TiCN sold solutionis made, The influencs of technological conditions (temperature, tim.of reaction, partial pressure of N. carbon amount) on composition andproperty of the TiCN powder is described. 结合生产工艺实践论述了温度、反应时间、氮分区、配碳量对TiCN粉末成分及性能的影响。
- Big quantities of quicklime are used to convert sodium carbonate into sodium hydroxide, the key chemical reagent in this process. 采用了大量的生石灰来把碳酸钠转换成氢氧化钠,它是这个过程中。