• As the polyvalent metal inorganic salt, use is made of calcium carbonate, zinc carbonate or calcium phosphate.

    作为多价金属无机盐,为碳酸钙、碳酸或者磷酸钙

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  • This thesis studied on the preparation, characterization and capability of nanosized zinc carbonate and zinc oxide.

    论文研究纳米碳酸纳米氧化锌制备表征性能

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  • The synthetic conditions of zinc propionate with propionic acid and basic zinc carbonate as raw materials were studied.

    碱式碳酸原料,制备了食品及饲料添加剂酸锌。

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  • A method of preparing nanosized ZnO through microwave calcining of basic Zinc carbonate, which is prepared by immediate precipitation, is introduced.

    报道了直接沉淀法制备碱式碳酸,然后用微波焙烧制备纳米氧化锌方法

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  • The forming expanding agent is a mixture of basic cupric zinc carbonate and aluminum hydroxide, and the copper-based catalyst comprises oxides of cupric, zinc and aluminous.

    成型扩孔为碱式碳酸氢氧化铝混合物,所述催化剂包含铜、锌、氧化物

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  • We have observed similar protection and viability with other water-insoluble compounds such as calciumalginate, dimethylglyoxime, zinc carbonate , barium carbonate , and 1-aminoanthraquinone.

    我们观察到其他非水溶性化合物海藻酸钙、丁二酮肟碳酸碳酸钡及1-氨基蒽醌)也有类似保护生存能力

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  • A new process of drying of copper sulphate by microwave and a new process of calcining zinc-carbonate were studied in this paper.

    本文研究了微波干燥硫酸铜微波煅烧碱碳酸锌技术。

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  • Using the process:water leaching, zinc oxide, causticize, carbonate, solvent extract, stripping to recycle molybdenum and to regenerate alkali.

    采用-氧化锌化-碳酸化-萃取流程从未氧化的碳还原熔炼渣中提取再生碱。

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  • The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.

    应用红外光谱技术研究乙酸催化作用下1,5-萘二胺碳酸二甲酯甲氧基羰基化反应机理

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  • The result also suggested that most zinc added to soils has entered into soil minerals and little has entered into soil solutions or combined with soil organic matter, carbonate or manganese oxides.

    肥施土壤后各形态锌的含量都较大幅度的增加,施土壤中的锌有很大一部分转化为物态锌,只有一小部分进入土壤溶液有机质碳酸盐及氧化相结合

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  • The occurrence of the Yutang lead and zinc-sulfide deposit in the Cambrian carbonate rocks is controlled mainly by tectonic, lithologic and algae reef factors.

    铅锌矿床产于寒武纪碳酸盐岩中,主要构造岩性藻礁相控制。

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  • Two experiments were conducted to determine the effect of Coated Zinc Sulfate and Copper Carbonate on Vitamin a Stability and Bioavailability for Weanling Pigs.

    为了研究包被硫酸锌碱式碳酸预混料中维生素a稳定性影响及其对于仔猪的生物效价,本研究进行了两个试验

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  • The residual pesticide degrading agent is nano size titania powder, nano size zinc oxide powder, peroxide, sucrose ester of fatty acid, carbonate or alkali.

    残留农药降解剂,其特征所述降解剂纳米粒径二氧化钛粉体纳米粒径的氧化锌粉体过氧化物脂肪酸蔗糖脂或碳酸盐或碱。

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  • The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.

    碳酸钠还原硝酸分解金银合金然后锌粉置换银。

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  • The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.

    碳酸钠还原硝酸分解金银合金然后锌粉置换银。

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