this article reviews resolution methods of raceme which includes six categories, such as mechanical , chemical, biochemical, chromato-graphic, extractive and membranous methods.
本文综述了外消旋体的拆分方法,包括机械拆分法、化学拆分法、生物化学拆分法、色谱拆分法、萃取拆分法、膜拆分法等六大类方法。
any of various north american plants of the genus liatris in the composite family having small discoid flower heads grouped in a dense raceme or panicle.
松伞菊: 菊科蛇鞭菊属植物,有小的筒状头状花序聚成一个浓密的总状花序或复总状花序。
the capitula on the top of the raceme have more ligulate flowers, less tubular flowers, and have distribute more resource and have bigger flower display;
其顶部头状花序的舌状花较多,管状花较少,拥有较大的资源分配量和花展示;
the kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.
外消旋体的动力学拆分反应是制备手性化合物的重要方法之一。
raceme resolution is the main route for preparation of chiral compounds.
对外消旋体实施拆分是获得手性物质的重要途径。
raceme separation is the main rout for preparation of pure enantiomers.
外消旋体拆分是获得单一手性化合物的重要途径。
raceme rachis and pedicels pubescent or puberulent ; bract and bracteole usually borne on distal 1/2 of pedicel.
总状花序轴和花梗具短柔毛或微柔毛;苞片和小苞片通常生于花梗上部的1/2。
this article reviews some kinds of resolution methods of raceme based on membrane processes.
本文综述了采用各种膜拆分外消旋体的研究进展。
the ancestral inflorescence of the genus tulipa is supposed to be more primitive drepanium than raceme which is deprived from cyme.
因此认为本属的祖先花序类型可能力较原始的螺旋状花序,而不是从聚伞状花序中衍生出来的总状花序。
mostly conclusion as follows:1. there is intra-inflorescence variation in raceme of l. virgaurea individual, and it's not limited by different population.
主要结论如下:1。黄帚橐吾个体总状花序内存在花序内变异,且不受种群差异的限制。