Described are the effects of reducing vertical vibration on Japanese maglev vehicles after application of semi-active and active control in primary and secondary suspension systems.
介绍了日本磁悬浮车辆一系、二系悬挂系统采用半主动控制和主动控制后的垂向减振效果。
Morever, new technolo-gies such as slurry-recycling method and semi-closed circuit water circulation for cooling sys-tem were adopted reducing water consumption greatly.
此外，创造了回浆法和冷却水系统的半封闭式循环用水等新工艺，大大节约了用水量。
The water reducing agent of cement was prepared via sulfonation of semi-chemical pulping black liquor.
半化学浆黑液进行磺化改性制备水泥减水剂，并对改性工艺进行优化。
The water reducing agent of cement was prepared via sulfonation of semi-chemical pulping black liquor.
半化学浆黑液进行磺化改性制备水泥减水剂，并对改性工艺进行优化。
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