The catalyst pretreatment method ensures that the outlet pressure of the catalyst feed pump is remarkably lower, and catalyst feed is stable without blocking.
采用本发明的催化剂的预处理方法使得催化剂进料泵出口压力明显偏低，催化剂进料稳定，无堵塞。
The main process parameters include hydrogen content in the gas sources, hydrogen plasma catalyst pretreatment, substrate bias, deposition temperature and plasma flow guiding.
主要之制程参数包括气源中之氢气含量、电浆前处理、材偏压、积温度以及电浆导流板之施加。
The hydrogenation technologies, as well as catalysts used in hydrotreating, were analyzed and compared, and feedstock pretreatment, reaction process and catalyst design were discussed.
重点分析了裂解碳九加氢工艺和催化剂技术，强调了原料预处理、反应工艺和催化剂设计等要点。
After the pretreatment of PODD, sterol ester in PODD can be transesterified into free sterol with methanol while methanolic sodium as catalyst.
在原料脱臭馏出物预处理后，以甲醇钠为碱催化剂，将原料与甲醇进行反应，使原料中的甾醇酯转化为游离甾醇。
The organosilicon wastewater was treated by the combined process of iron shaving fluidized bed pretreatment-catalytic oxidation with loaded activated carbon catalyst-coagulating sedimentation.
采用铁屑流化床预处理、负载活性炭催化剂催化氧化和混凝沉淀组合工艺处理有机硅废水。
The results show that:The pretreatment process of H_2O_2/catalyst had better treatment effect for contaminated raw water compare with the conventional treatment process.
试验结果表明：H_2O_2/催化剂预处理工艺对受污染源水的处理效果比常规处理工艺要好。
The results show that:The pretreatment process of H_2O_2/catalyst had better treatment effect for contaminated raw water compare with the conventional treatment process.
试验结果表明：H_2O_2/催化剂预处理工艺对受污染源水的处理效果比常规处理工艺要好。
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