TTAB;十四烷基三甲基溴化铵 货号:ACH0022A 包装:1Kg 英文名:Tetradecyl trimethyl ammonium bromide 别名:Myristyltrimethylammonium bromide 级别:>99.0% 分子式:C17H38N.Br 分子量:336.40 品牌: CAS:1119-97-7 阳离子表面活性剂(分子式:C17H38N.Br;分子量:336.40;) ...
ASEA ABB YYT 102B ROBOT SERVO CONTROLLER CIRCUIT BOARD RECOTEC WERA RE-ACHSE-N PROFILATOR MODULE CARD BOARD 67 GIDDINGS & LEWIS G&L 501-04000-00 502-03174-00 COMPILER RECOTEC WERA AXIS 5-6 PROFILATOR RE97032 MODULE CARD BO SM-CYCLO CNHJ-4100G-11 GEAR SPEED REDUCER 11:1 RATIO 1. ...
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内燃机燃烧效率最重要的燃油在气缸内的雾化程度和空气的混合程度;汽油机方面由最初的机械式化油器到后来的单点、多点的电控歧管高压燃油喷射,再到现在流行的缸内直喷技术;柴油机则经历了涡流室燃烧、机械式高压油泵喷油最后到了高压共轨高压喷射系统,但无论是汽柴油机现在给汽缸内供油都是利用高压油泵加压油液再通过喷...