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- anhydrous sodium sulphate 元明粉
- Ingredients: Green tea, hypericum honey, chamomile, mint, natural essence oil, sodium sulphate anhydrous, sodium bicarbonate. 成份：碧螺春，枣花蜂蜜，野菊花，薄荷，天然精油，无水硫酸钠，碳酸氢钠。
- Pengshan Anhydrous Sodium Sulfate Plant. 安徽全力集团有限公司彭山元明粉厂。
- THE CAKING REASONS AND PREVENTION OF SODIUM SULPHATE. 元明粉结块原因及防止方法的探讨。
- 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。
- SO in sodium sulphate, as a coordination agent, can destroy Ca-abound organomineral complexes by coordinating Ca2+ and extract Ca-bound humus. 硫酸钠中的SO作为金属离子的配位体可以与复合体中的Ca2+形成配合物，破坏钙键复合体，并使腐殖质转变为腐殖酸钠盐，从而与铁铝键复合体分离。
- An anhydrous sodium borate used in the manufacture of glass and various ceramics. 无水硼砂无水硼化合物,用于制造玻璃和各种陶瓷。
- During the chlorosulfonation of N-acetanilide to p-acetamidobenzenesulfonyl chloride, sodium sulphate was added in late stage. 摘要在乙酰苯胺氯磺酰化合成对乙酰氨基苯磺酰氯的反应工艺中，反应后期加入硫酸钠。
- Methods:Samples were extracted by methylene chloride,dehydrated by anhydrous sodium sulfate and determinated by GC-MSD. 方法:样品用二氯甲烷萃取,无水硫酸钠脱水,气质联用法检测。
- 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。
- This article described the crystal model of anhydrous sodium sulfate in DTB crystallizer. 论述了用DTB型结晶器结晶硫酸钠结晶模型。
- Established in 1985, this copany has 600 staffa and fixed assets of 30 million yuan(RMB) as well as the annual output 200,000 tons of YIJING Brand(Na2SO4) sodium sulphate. 企业始建于1985年，现有资产总额3000万元，职工600人，年产“艺精”元明粉20万吨。
- In addition to water, the most abundant inorganic ingredients were for chloride, sodium sulphate, magnesium, calcium, potassium and bicarbonate, and so on. 除了水之外，最丰富的无机成分依序为氯化物、钠、硫酸盐、镁、钙、钾和重碳酸盐等。
- The synthesis of sucrose octaacetate(SOA) from sucrose with acetic anhydride in the presence of anhydrous sodium acetate is reported. 报道了在无水乙酸钠存在下，蔗糖和乙酸酐反应合成蔗糖八乙酸酯（SOA）。
- The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate. 研究了以无水碳酸钠为催化剂,红霉素肟与甲氧基乙氧基氯甲醚(MEMC)为原料,一步合成罗红霉素的实验过程。
- The effects of the amount of sulfuric acid, reaction duration and the addition of anhydrous sodium sulfate as dehydration agent on the yield of OFPMA were studied. 讨论了硫酸的用量、反应物配比、反应温度和反应时间对产物收率的影响。
- Experiments show that for the same dry density, permeability decreases with the saline content; for the same soil, with increase in saline content, permeability of soils with sodium sulphate decreases more significantly than that with sodium chloride. 结果表明：在干容重相同的情况下，渗透系数随着含盐量的增加而减小；对同一类型土，随着含盐量的增加，硫酸盐土的渗透系数要比氯盐土渗透系数减小显著；在干容重和盐类相同的情况下，细颗粒含盐土的渗透系数要比粗颗粒含盐土的渗透系数减小显著。
- The behaviours,use and process technology of anhydrous sodium metasilicate,emphatically the fluid-bed,spraying and fixed-bed drying processes,are reviewed. 介绍了偏硅酸钠的性能、用途和生产工艺，着重介绍了沸腾床干燥法、喷雾干燥法和固定床干燥法。
- FOAMABLE GLASS COMPOSITION AND GLASS FOAMThis invention relates to novel foamable glass com-positions mainly composed of anhydrous sodium silicate, andfoams obtained therefrom. 此项发明涉及新型发泡玻璃合成物，以及由此产生的泡沫。
- The Deltamethrin residues were extracted with acetone-petroleum ether,purified by chromatography on anhydrous sodium sulfate aluminum oxide neutral, and determined by GC-ECD. 样品用丙酮--石油醚提取，无水硫酸钠--中性氧化铝柱净化后，用带ECD的气相色谱仪进行检测。
