大家都搜：
催化剂老化
1、ageing process───老化过程；老化法；时效处理；时效过程
2、desulphurization catalyst───脱硫催化剂
3、zeolitic catalyst───沸石催化剂
4、ageing skin───老化皮肤
5、ut catalyst───ut催化剂
6、denitration catalyst───脱硝催化剂
7、ageing population───老龄化人口；[经] 人口老化
8、huckleberry catalyst───HaKe贝利催化剂
1、The product consists of synthetic resin, filling and catalyst agent. It has characteristics of water-resistant, ageing-proof, corrosion-resistant, high tensile strength and convenient to construction.───建筑胶泥是由合成树脂、填充料及化学助剂组成的，以抗拉、耐水渍、耐老化、耐腐蚀性能优越，固化时间可调节，为施工带来极大方便。
2、Many causes can account for oil's ageing, such as types of oil, its temperature, the contacting part with oxygen, metal catalyst, water content of oil-fried food and the processing styles.───产生油脂老化的主要因素有油脂的种类、油温、与氧气接触面积、金属催化剂、油炸物水分含量和加工方式等。