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- 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。
- 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。
- 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。
- 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。
- In the course of oxidation, reaction temperature should rise step by step, and in the late stage, reduced pressure distillation should follow so that the concertration of glyoxalic acid can rise and production rate of allantoin can rise up to 40%. 在氧化反应的过程中逐步地提高反应温度，反应后期进行减压浓缩，提高了乙醛酸的浓度，缩短了氧化时间，并使尿囊素产率达到40%25。
- It is shown from the recent research, the random packing has better performance than other column internals for liquidliquid extraction, absorption with high liquid loading and high pressure distillation. 摘要国内外最新的研究工作表明，在液液萃取、液气比很大的吸收和高压精馏的情况下，应用散装填料的操作性能优于规整填料和塔盘。
- Performance of Structured Packing in High Pressure Distillation 规整填料在高压精馏条件下的传质性能
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- What's the atmospheric pressure today? 今天的气压怎么样？
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
