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- The trialkyl phosphine oxide (TRPO) has been used for extractant of radioactive waste and chemical separation process of organic acid. 三烷基氧膦（TRPO）用于做放射性废液和化学分离过程的萃取剂。
- chemical separation process 化工计算
- The prospect of membrane separation process in the field was also analyzed. 对膜分离过程应用于该领域的前景进行了分析。
- Most commercial helium is recovered from natural gas through a cryogenic separation process. 大多数商用氦是通过一种低温分离过程从天然气中回收的。
- As a green solvent of high -performance,it is playing an important role in chemical separation,catalysis and electrochemistry,etc. 作为一种高效绿色溶剂,室温离子液体在化学分离、催化、电化学等方面发挥着重要的作用。
- Emulsion-liquid-membrane (ELM) separation process is a special separation technique, which invented by L.N. 液膜技术是一种新型的分离技术，它综合了溶剂萃取和膜渗透技术的特点，是膜分离技术的重要分支。
- Based on the advantage of aqueous two-phase extraction(ATPE) on chemical separation,its application to fast preparation of peroxidase(POD) from white turnip has been studied. 基于双水相萃取法在化工分离上的优点,研究了其应用于从白萝卜中快速提取过氧化物酶的可行性。
- The extraction mechanism and separation process of lanthanum and actinium were studied in HDEHP (kerosene) -HNO3system. 研究了在HNO_3体系中,P_(204)萃取La和Ac的机理及影响La,Ac萃取分离因素,给出了La,Ac分配的数学模型。
- A review on the chemical separation and determination of clay minerals such as kaolin, talc, sepiolite, montmorillonite etc. is presented with 21 references. 对高岭石、滑石、海泡石、蒙脱石等粘土矿物的化学分离与测定进行了评述，引用文献21篇。
- The extraction mechanism and separation process of lanthanum and actinium were studied in HDEHP (kerosene)NO3 system. 本文研究了在HNO_3体系中,P_(204)萃取La和Ac的机理及影响La,Ac萃取分离因素,给出了La,Ac分配的数学摸型。
- Researches on the composition and structure of mercaptans in liquefied petroleum gas(LPG) were carried out by combining chemical separation with GC/DFPD and GCMS method. 用化学分离结合GC/DFPD、GC-MS仪器分析方法对液化气中的硫醇结构组成进行了分析研究,建立了易于操作的液化气中硫醇分离流程及硫醇的定性、定量分析方法。
- OBJECTIVE To extract the polyprenol homologues from Ginkgo biloba leaves and optimize the separation process. 目的从银杏叶中提取聚戊烯醇同系物并对其提取工艺进行优化。
- A better separation process is needed to improve the reproducibility and quality of the mesophase pitch precursor. 因此,需要有一种较好的分离工艺,以便能够保证沥青在分离过程中,分离后的沥青组分再现性和沥青中间前驱体的质量。
- The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper. 简要评述了用甲基异丁基酮(MIBK)萃取分离锆铪方法的基本原理、分离工艺和条件、萃取设备。
- After the separation process, the backside of the stamper is backsanded and polished to get a smooth backside. 分离之后，再对压模的背面进行打磨和抛光以形成光滑的表面。
- Each chemical separation is followed by a measurement of the activity of the products obtained, and in this way it is possible to determine how the active substance behaves from the chemical viewpoint. 每一次化学分离之后就立刻测定所获得物质的活性，这样就有可能从化学的角度来确定该物质有多活跃。
- The synthetic polymeric flocculant is an important additive for the red mud separation process in alumina production. 摘要合成高分子絮凝剂是氧化铝生产过程赤泥分离工序的重要添加剂。
- Gas chromatography is an important tool for rapid chemical separations in nuclear and Radiochemistry. 在核化学与放射化学研究中,气相色谱法是一种非常重要的快速分离工具。
- The stability of flow rate influences the separation quality in the size separation process of micropowder by overflow. 溢流分级中流量的稳定性直接关系到分级质量。
- RESULT:The monocase of cyclovirobuxine D could be obtained by the chemical separating method. 结果:用化学分离方法可得到纯度较高的环维黄杨星D。
