• Influence of modification with acidic, amphiprotic and basic oxides on alkylation properties of HY molecular sieve was investigated.

    考察了酸性两性碱性氧化物改性HY分子筛烷基化反应性能影响

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  • The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter, and all the oxides in amount were less than 30% of the mass of catalyst.

    制备负载型催化剂加入碱性过渡金属氧化物助剂各种氧化物总负载量低于催化剂质量30 %。

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  • The HR Coil, which is the basic raw material, is passed through CPL to remove the oxides or scales from strip surface to enable further reduction of thickness to desired level in Cold Rolling Mills.

    HR线圈基本原料道次过 CPL氧化物或者锈皮分带表面移开使厚度的较进一步还原反应能够冷轧制造工厂需要水平

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  • Various surface treated inorganic oxides are commonly used as an external additive. The basic functions and properties of inorganic fine particle external additive are described.

    表面进行处理无机氧化物通常作为外部添加剂使用本文介绍了这些超粒径的外部添加剂的基本功能特性

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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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  • The paper presents the basic principle on the removal of nitrogen oxides upon SCR and discusses the various causes of toxic catalyzer.

    本文介绍了SCR脱除氮氧化物基本原理讨论了导致催化剂中毒各种原因

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  • Serial colour-glazes were tested in that the colouring materials are common metal-oxides, the basic glaze are lead-free, cadmium-free, zinc-free and low-magnesium frit-glazes.

    普通着色金属氧化物为色剂,基无铅无镉无锌低透明熔块釉,研制了系列透明色釉

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  • Serial colour-glazes were tested in that the colouring materials are common metal-oxides, the basic glaze are lead-free, cadmium-free, zinc-free and low-magnesium frit-glazes.

    普通着色金属氧化物为色剂,基无铅无镉无锌低透明熔块釉,研制了系列透明色釉

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