• The residual oil obtained by vacuum distillation of crude.

    原油减压蒸馏所得残余

    cn.trustexporter.com

  • Such as: vacuum distillation, evaporation, dehydration, crystal, drying in the process.

    真空蒸馏蒸发脱水结晶干燥等工艺过程中。

    www.nanyangpumps.com

  • It is a guide for the vacuum deep cut revamping on atmospheric and vacuum distillation unit.

    结果表明对常减压装置减压技术改造一定的指导意义。

    www.chemyq.com

  • The purifcation of Dy, Ho and Er metals has been studied by the method of vacuum distillation.

    本文研究金属、、真空蒸馏提纯效果。

    www.dictall.com

  • The refined product with high purity is obtained by vacuum distillation of crude benzal chloride.

    将制得的叉二进行真空精馏得到纯度精品;

    chazidian.com

  • Such as: vacuum distillation, evaporation, dehydration, crystallization, drying and other processes.

    真空蒸馏蒸发脱水结晶干燥工艺过程中

    blog.sina.com.cn

  • As an example, CPDRS was applied and examined in atmospheric and vacuum distillation unit of refinery.

    CPDRS常减压炼油装置应用,介绍了CPDRS系统考核应用情况。

    dict.cnki.net

  • The process flow sheet of vacuum distillation of Bi-Ag-Zn crust was drawn up, and its rationality was argued.

    拟定真空蒸馏银锌制取粗银、粗铋粗锌工艺流程,并论证了流程的合理性

    dict.cnki.net

  • This paper discuss the technology of separating zinc-tin alloy to recover zinc and tin by vacuum distillation.

    研究真空蒸馏法分离废杂合金回收锡金工艺

    dict.cnki.net

  • The combined vacuum distillation and melt crystallization technology was used to purify DDHI from artificial musk.

    通过减压精馏熔融结晶耦合技术研究提高人造麝香(DDHI)含量的原理工艺流程。

    www.chemyq.com

  • Purifying selenium by vacuum distillation. Metal selenium purification is on the base of different elemental volatility.

    真空蒸馏提纯利用元素挥发性不同进行金属提纯

    dict.cnki.net

  • Therefore, vacuum distillation thick cadmium in theoretically feasible, the operating condition is also easy to realize.

    因此真空蒸馏理论上可行的,操作条件容易实现

    www.dictall.com

  • There is much low from atmospheric and vacuum distillation unit, but only a small amount is used, resulting in heat loss.

    减压装置低温余热较多。利用较少,造成热量损失

    www.chemyq.com

  • Experiment results indicated that the vacuum distillation by using two flask vacuum collectors can make product yield higher.

    实验证明采用采集真空间歇精馏操作得到较高的产品收率。

    dict.cnki.net

  • The corrosion prevention played a vital role in ensuring the long-term operation of the atmospheric-vacuum distillation unit.

    减压装置的防腐蚀工作对于长周期运行极为重要。

    www.dictall.com

  • The paper summarized the principle of Molecule distillation technology and the difference from the general vacuum distillation.

    阐述分子蒸馏基本原理及其区别普通真空蒸馏的主要特点。

    www.dictall.com

  • A comparison is given on the technology gap between domestic atmospheric and vacuum distillation unit and the foreign advanced unit.

    我国常减压蒸馏装置技术水平国外先进水平进行了对比

    www.chemyq.com

  • Then the zone refine is also discussed, and shows that zone refine can produce higher purity antimony on the basis of vacuum distillation.

    在分析真空蒸馏同时区域提纯进行了理论分析,证明利用区域提纯技术可以真空提纯基础上制备纯度更高金属锑

    dict.cnki.net

  • The results showed that the heavy metal cadmium could be effectively separated by vacuum distillation to produce high purity cadmium (>99%).

    实验结果表明利用真空蒸馏可以实现镍电池中镉与其它金属有效分离,并得到纯度大于99%的金属镉;

    dict.cnki.net

  • The silver-rich lead came from the continuous crystallizer is then subjected to vacuum distillation, yielding silver bullion of over 80% Ag.

    连续结晶器得到采用真空蒸馏获得含银>80%的粗银。

    dict.cnki.net

  • Connection to crude assay. Jt can provide data of crude's property for atmospheric and vacuum distillation simulation or directly by cut module.

    原油评价库的连接减压蒸馏模拟直接通过切割模块提供原油性质数据

    dict.cnki.net

  • The author presents some considerations on pipe rack, structure and transfer line of large scale crude atmospheric and vacuum distillation unit.

    分析了大型化减压装置平面布置的设计考虑具体讨论了装置框架线等方面的设计看法。

    www.chemyq.com

  • This model austerely simulating dynamic action of vacuum distillation unit, and the dynamic curve of vacuum's sidetrack from feed-in to static state.

    模型严格地模拟减压精馏塔动态行为,模拟稳态进料发生变化时减压精馏塔中各塔板上液相浓度变化的曲线

    dict.cnki.net

  • Vacuum distillation using the dropper with the exhaust port and the access protection tube to prevent leakage of liquid directly into the vacuum pump.

    减压蒸馏使用带抽气口防护滴管液管可以防止液体直接泄露真空泵中。

    www.semuzaoli.bbscom.org

  • The products were gained by vacuum distillation from reaction liquid, meanwhile their qualitative and quantitative analysis were carried out by GC-MS.

    反应结束后反应经过真空蒸馏后得到产物通过GC - MS进行定性定量分析

    dict.cnki.net

  • This product has been used for cleaning oil fouling for beat exchanger of atmospheric and vacuum distillation unit, catalytic cracking unit in refinery.

    产品应用于炼油厂常减压催化裂化装置热设备污垢清洗

    www.chemyq.com

  • The serious corrosion problem at low temperature could be found in atmospheric-vacuum distillation unit, especially in the atmosphere overhead condenser.

    减压装置存在较为严重低温腐蚀问题尤其是常压塔顶冷凝器腐蚀问题更为严重。

    dict.cnki.net

  • Mixed diisopropyl benzene was chose as the materials to compose high purity resorcinol by shape selective catalysis decomposition and vacuum distillation.

    以混合二异原料催化裂解减压蒸馏,制备了含量的间二异丙苯。

    www.fabiao.net

  • A new technique has been researched on the feasibility and regularity for removing impurities from rude selenium by vacuum distillation in theory analysis.

    理论上分析采用真空蒸馏方法将粗硒提纯可行性规律性

    dict.cnki.net

  • A new technique has been researched on the feasibility and regularity for removing impurities from rude selenium by vacuum distillation in theory analysis.

    理论上分析采用真空蒸馏方法将粗硒提纯可行性规律性

    dict.cnki.net

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