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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。
- Containing air or other gas at a reduced pressure. 低压气体的在减弱的压强之下含有空气和其他气体的
- reduced pressure distillate 减压馏分
- A small valve or faucet used to drain or reduce pressure, as from a boiler. 泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的
- The juice is concentrated by evaporation under reduced pressure. 果汁是低压蒸发浓缩而成的。
- Effect of Reduced Pressure Distillation on Production Rate and Relative Molecular Weight of Xanthan Gum 减压蒸馏对黄原胶质量浓度及相对分子质量的影响
- Keywords extraction;homogenate;reduced pressure distillation;peroxide value;acid value; 抽提;匀浆;减压旋蒸;过氧化值;酸价;
- To reduce pressure steadily and noise-free. 工作平稳，无噪声及冲击。
- Steam vents reduce pressure so that food does not easily boil over. 排气孔降低压力,使食物不易溢出。
- A large Hycar diaphragm ensures a sensitive response to the slightest change in reduced pressure. 一个大型开卡橡胶隔膜确保对压力减少最轻微变化的灵敏反应。
- Reduced pressure oxidation offers an attractive way of growing thin oxides in a controlled manner. 低压氧化提供了一种在可控方式下生长薄层氧化物的好方法。
- Open test cock No. 4 and flush test cocks Nos. 1, 2 and 3 on reduced pressure assembly then close test cock No. 4. 开启测试旋塞4号，冲洗减压总成上的测试旋塞1号，2号和3号，然后关闭测试旋塞4号。
