| 1. | The racemate is optically inactive . 外消旋体是不旋光的。 |
| 2. | Racemization is found with optically active substrate substrates . 发现旋光基质有外消旋作用。 |
| 3. | Epoxidation and oxidation gave the racemic c18-juvenile hormone . 通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素。 |
| 4. | This unexpected result may be due to the presence of a racemase in tobacco cells . 可能烟草中的消旋酶的存在导致这一意外的结果。 |
| 5. | Synthesis of chiral salen - co complex and catalyzed hydrolytic kinetic resolution of racemic epoxides 手性催化剂的合成与外消旋环氧化合物的水解动力学拆分 |
| 6. | Furthermore , we determined the time - to - failure for 70 / 30 ? pldlla cages subjected to loads well below their instantaneous mechanical strength 此外,我们确定了70 / 30聚左旋/消旋乳酸融合器在低于瞬时强度负荷下的衰竭时间。 |
| 7. | Degradable 70 / 30 ? pldlla cages were loaded to failure at loading rates between 10 - 3 and 10 - 1 mm / s under standard loading conditions ( in air at room temperature : 23 ) 可降解的70 / 30聚左旋/消旋乳酸融合器载荷直到衰竭,在标准的试验条件下(空气,室温23度)载荷比例为10 - 3和10 - 1 。 |
| 8. | The direct chiral separation of ( ? 3 - s ) - bridged racemic metal clusters was performed on cellulose - tris ( 3 , 5 - dimethylphenylcarbamate ) chiral stationary phase ( cdmpc - csp ) 摘要在自制的涂敷型纤维素三( 3 , 5 -二甲基苯基氨基甲酸酯)手性固定相上直接拆分了? 3 - s盖帽的外消旋四面体金属簇合物。 |
| 9. | Premature failure of 70 / 30 ? pldlla cages , as observed in vivo in earlier studies , is owing to mechanical loading and the time - dependent mechanical properties of the material 早期的体内观察已经观察到70 / 30聚左旋/消旋乳酸融合器过早的衰竭主要是由于机械负荷和材料本身的时间依靠的机械强度变化。 |
| 10. | Methylbenzyl amine as chiral auxiliaries to react with racimic ketorolac . then authors got optical amides . the diastereoisomeric mixture were separated by column - chroatography on silica gel . the results of separation depend on the structure of r 苯乙胺作为手性辅基,与外消旋酮咯酸生成一对光学活性的酰胺衍生物,再用简单易行的柱层析方法分离其非对映异构体。 |