Influence of modification with acidic, amphiprotic and basic oxides on alkylation properties of HY molecular sieve was investigated.
考察了用酸性、两性和碱性氧化物改性HY分子筛对烷基化反应性能的影响。
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.
制备了负载型镍催化剂，并加入碱性和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的30 %。
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， 是基本的原料，被道次过 CPL 把氧化物或者锈皮从分带表面移开使厚度的较进一步的还原反应能够在冷轧制造工厂需要水平。
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