isomer

• Plastics . basic materials for polyurethanes . determination of the ratio of 2 , 4 and 2 , 6 isomers in the toluylene diisocyanate by infra - red spectroscopy
  塑料制品.聚氨基甲酸酯塑料.用红外线光谱法测定二异氰酸二苯乙烯中2 4和2 6异构体的含量
• Fine chemical , flavours , isomers separation . the separation of thermally sensitive materials , pilot and laboratory columns . reform exisling columns for increased performance
  精细化工香料同分异构体分离，适用于热敏性物质的分离，试验塔及对有塔的改造。
• Web information extraction is a currently lovely research fileld , but the mass , isomer and dynamics of web data is a difficult of web information extraction
  Web信息提取是当前比较活跃的一个研究课题，但web数据的大量性，异构性和动态性，是web信息提取的一个桎梏。
• Internet ’ s characteristic of magnanimity , isomer and dynamic , make web information extraction different from traditional information extraction , and bring a new challenge meanwhile
  Internet具有的海量、异构、动态变化等特性使web信息抽取不同于传统信息抽取,同时带来了新的挑战。
• It has been found that 1 , 1 - diamino - 2 , 2 - nitroethylene is the most stabilized isomer and has the best exploding properties in three of isomers judged by its the smallest molecular volume
  发现1 ， 1 -二氨基2 ， 2 -二硝基乙烯为最稳定的异构体；其分子体积最小，预示在其同分异构体中爆轰性能最好。 3
• To utilize the natural numerous merit of java ( such as distributed ^ architecture neutral , portable ) can breaks through these obstacles to add strong computing power into isomer interlinked environment
  利用java天生的诸多优点（如分布式、结构中立、可移植）能够突破这些重大障碍，使java成为向异构互联环境添加强大计算能力的理想工具。
• Ion - exchange filler are used in ion - exchange chromatogram ; filler such as gel or polymer microsphere are used in molecular exclusion chromatogram , etc ; chiral bonded filler is used in chiral resolution of corresponding isomer
  离子交换填充剂用于离子交换色谱；凝胶或高分子微球等填充剂用于分子排阻色谱等；手性键合填充剂用于对映异构体的拆分分析。
• Methods atomoxetine hydrochloride was synthesized using 3 - phenyipropanol as the starting material via six steps , such as chlorination , bromination , etherification , substitution , separation of levorotary isomer and acidification by gaseous hydrogen chloride
  方法以1 -苯丙醇为起始原料，经氯代、溴代、醚化、胺化、拆分、氯化氢成盐6步反应合成盐酸托莫西汀。
• Currently , with the increase of web demand , the development of web is heading for the distributed framework because the distributed computing shields the isomer of system and supplies the operation of different distributed objects
  当前，随着web需求的不断增长，使得web的开发应用正向分布式结构的方向发展，分布式计算屏蔽了系统中存在的异构性，提供了分布式对象间的互操作性。
• This paper by using examples of disubs tution cyclohexanes with different and identical functional groups , examines some stereochemistry problems puzzling to stuaents , such as the configuvation conformation , and enantiomorphism isomers , and presents some practical solutions
  摘要以基团相同和不同的二取代环己烷为例，分析了环己烷衍生物的构型、构象和对映异构等学生易模糊的立体化学问题。