| 释义 |
rogen
基本例句
n.罗根湖在瑞典;东经 12º25' 北纬 62º20'
Abstract In nitrogenatmosphere , white ethylene bisstearamide was prepared by the cooperation of binary catalyst and binary antioxidant .摘要 在氮气保护条件下, 利用双组分催化剂和双组分抗氧剂的协同效应, 合成了白色的乙撑双硬脂酸酰胺;
Active matrices can not only enhance resid cracking abilities,but also improve other performances such as metal resistance,basic nitrogenresistance and SOx or NOx abatement.活性基质不但能大幅度提高催化剂的重油裂化能力，且对催化剂的抗重金属、抗碱氮、脱硫、脱氮等性能及产品质量产生重要影响；
Keywords oxidation ditch;phosphorus removal;nitric nitrogen;氧化沟;除磷;硝态氮;
Keywords Compound nylestriol tablet;Toxicity tset;Estrogenreplacement therapy;复方尼尔雌醇片;毒性试验;雌激素替代治疗; |