接触作用
1. 接触酌：constructed experiment 模拟试验 | contact action 接触酌 | contact arboricide 接触杀柿
2. 接触作用：cont. on 下接 | contact action 接触作用 | contact adhesive 接触粘合剂
3. 接触作用,接触动作：consumptive water 空耗水 | contact action 接触作用,接触动作 | contact actuation time 触点动作事件
4. (接点动作)：PULSE RANGE OVER(脉冲超量程) : 累计脉冲输出超过最高频率的限制时,接点输出. | -FLOW DIRECTION(负流向) : 流向为反向时,接点输出. | CONTACT ACTION(接点动作)
noun
1. acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction
e.g. of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced
Synonym: catalysis