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- negative pressure distillation 减压蒸馏
- The negative pressure loop should be noted. 应该注意到负压的腹点。
- This negative pressure phase is of short duration. 负压周期的延续时间很短。
- The Gating Design for Negative Pressure EPC. 负压消失模铸造原料磨衬板的浇注工艺设计
- Intrapleural pressure is usually negative pressure. 胸膜腔内压通常为负压。
- Operated at sealed negative pressure and designed by GMP. 密封负压操作，按gmp规范设计。
- Prevent the oil equipment or pipeline from scaling in atmospheric or reduced pressure distillation and FCC plant in the refinery. 防止油浆系统设备和管道结垢,用于炼油厂常减压及催化裂化装置。
- Using negative pressure air pipe to ventilate for the being constructed tunnel. 使用负压风管对在建隧道进行通风换气。
- The reduced pressure distillation experiment on the liquid paraffin was done and the Engler distillation curve was obtained. 进行了石蜡油的减压蒸馏实验,得到了恩氏蒸馏曲线。
- Negative pressure aspirator is necessary to every clinical sections. 负压吸引器是各个临床科室所必备的医疗设备。
- A new method is presented for synthesis of organosilicon compounds directly from precipitated white carbon black by reduced pressure distillation. 该文研究了以沉淀白炭黑为原料,采用减压蒸馏法直接合成六配位体有机硅化合物的新方法。
- The extractant can be recovered through reduced pressure distillation and the recovered extractant can be reused without influencing the separation. 萃取剂可用减压蒸馏的方法回收，回收的萃取剂循环使用基本不影响分离性能。
- High performance rosin esters were produced by esterification reaction of pentaerythritol and toll oil rosin which was purified by reduced pressure distillation. 使用普通塔尔油松香和经过减压蒸馏纯化的精制塔尔油松香为原料,适当加入复合添加剂,通过酯化反应制得优质塔尔油松香改性树脂。
- The oil is extracted with suitable solvent from the oil treated with homogenizer.After removing the solvent by reduced pressure distillation, the oil is obtained finally. 本文使用分散机匀浆,利用溶剂提取油料中的油脂,再经减压旋蒸除掉溶剂,得到油脂。
- A vacuum pump creates negative pressure for correct operation of the filtrate recovery system. 真空泵产生的负压是保证滤液回收系统的正确运行。
- The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution. 反应产物经减压精馏、碱洗、水洗、干燥等精制处理,得到了纯度较高的MPC标准品。
- Positive pressure and negative pressure combines together, making veneer more stable and durable. 正负压力结合，使贴面更牢固持久。
- Can ensure furnace negative pressure automatic and relative protection to normally running. 可确保炉膛负压自动及有关保护的正常投运。
- The negative pressure causes the acceleration of the Universe, as observed from the type Ia supernova observations. 负压强令宇宙膨胀不断加速,就有如从观测Ia型超新星所得出的结论一样。
