• The phase speciations of trace thallium in the Yunfu pyrite ore are analyzed, including exchange phase, carbonate phase, oxide phase organic, sulfide phase and phase combined with quartz etc.

    分析了云浮硫铁矿微量相态分布,包括交换碳酸盐结合相,铁锰氧化物结合相,有机质及硫化物结合相,硅酸盐结合相等相态

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  • The production technology of basic lead carbonate pearlescent pigment by pushing process, glycol methoxymethane method and inversing phase method were introduced.

    介绍了碱式碳酸珠光颜料乙二醇甲醚生产工艺,对影响因素进行了研究。

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  • A new procedure is used in the phase and state analysis of cobalt and nickel in sulphate, carbonate, sulphide, easy dissoluble silicate, ferric oxide and hard dissoluble silicate phases.

    研究硫酸盐碳酸盐硫化物硅酸盐氧化物溶硅酸盐相态分析流程

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  • Oxygen storage materials which have high surface areas and super oxygen storage property were precipitated by ammonium carbonate, and its' phase, oxygen storage capacity, surface area et al.

    碳酸铵为沉淀剂制备一系列高比表面积性能的储氧材料,表征了组成,同时对其储氧性能比表面积进行了测定。

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  • Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.

    方法苯甲醛衍生物乙酮为原料,弱碱碳酸钾为催化剂为溶剂,转移催化法合成查耳酮衍生物。

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  • The ability of the gas phase inhibitor-cyclohexylamine carbonate (CHC) for chemical equipment was studied.

    研究缓蚀剂碳酸环己胺(CHC)用于化工装备保护的可能性。

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  • Barium carbonate nanoparticle powder is produced by liquid-liquid phase reactive precipitation in a Rotating Packed Bed (RPB) from industrial refined barium chloride and ammonium bicarbonate.

    工业精制氯化碳酸氢铵为原料,旋转填充采用液—液相反应沉淀法合成碳酸钡纳米粉体

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  • The study on phase equilibrium of brine in our country, which focuses on carbonate, sulfate and borate brine, is summarized in this paper.

    文章国内水盐体系平衡研究现状作了一定综述

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  • One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.

    二甲苯原料、苯甲酸盐为催化剂进行液相氧化一步合成甲基甲腈。

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  • In terms of biogenic calcium carbonate minerals, amorphous precursor phase is generally considered to be formed under the joint regulation of biological macromolecules and inorganic ions.

    生物成因碳酸钙而言普遍认为其非晶前驱体生物有机大分子无机离子共同作用形成的。

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  • The phase transfer catalyzed Wittig reaction of allyl diphenyl phosphonium salt with substituted aromatic aldehydes using potassium carbonate as base provides 1, 3-dienes with good E-selectivity.

    本文报道二苯基型鏻取代在碳酸钾作用下液相转移催化反应

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  • The phase transfer catalyzed Wittig reaction of allyl diphenyl phosphonium salt with substituted aromatic aldehydes using potassium carbonate as base provides 1, 3-dienes with good E-selectivity.

    本文报道二苯基型鏻取代在碳酸钾作用下液相转移催化反应

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