raceme造句
1. The kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.
2. Raceme rachis white- ciliate along margins; upper glume sharply keeled throughout, keel narrowly winged.
3. Raceme rachis and pedicels pubescent or puberulent ; bract and bracteole usually borne on distal 1/2 of pedicel.
4. Raceme short, red rose flower, sometimes with purple and white stripes and aromatic.
5. This article reviews resolution methods of raceme which includes six categories, such as mechanical , chemical, biochemical, chromato-graphic, extractive and membranous methods.
6. Raceme resolution is the main route for preparation of chiral compounds.
7. Raceme, or subumbel in axils , with several flowers basally.
8. Raceme separation is the main rout for preparation of pure enantiomers.
9. The raceme, the (R)-isomer and the (S)-isomer are identical in chemical structural formula but different in stereostructure and optical rotation performance.
10. Chiral aminoalcohol is an important kind of chiral substance in the asymmetric synthesis, meanwhile, it is widely used in the field of medicine synthesis and the resolution of raceme.
11. This article reviews some kinds of resolution methods of raceme based on membrane processes.
12. Mostly conclusion as follows:1. There is intra-inflorescence variation in raceme of L. virgaurea individual, and it's not limited by different population.
13. And the K application was tend to significantly related with the number of seed per pod, 1000-seed weight, the length of raceme.
14. Orderly flower or not orderly flower, bisexual or unisexual, platoon rank in all sorts of inflorescence , it is raceme or spike normally.
15. Eurasian plant(Raphanus sativus) having a fleshy, edible root and white to purple flowers clustered in a terminal raceme.
16. But owing to the limit of the carbonaceous framework and difficulty of the raceme, so the derivatives of annulene show opticity activity.
17. Pedicel and calyx hispid; flowers solitary or 2 or 3 together in short raceme.
18. In the light of the helix theory, aromatic annulenes and non-aromatic annulcncs are all the mixture of the mesomer and raceme, so they haven't opticity activeity.