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- DL-phenylalanine refers to a racemic mixture consisting of 50% D-phenylalanine and 50% L-phenylalanine. 苯丙氨酸是指一种消旋混合物,其中50%25D-苯丙氨酸和50%25左旋苯丙氨酸。
- "The two enantiomers rotate polarized light through opposite angles, canceling each other out so that the racemic mixture has no optical activity. 两种对映体使偏振光向相反的角度旋转,彼此抵销,所以外消旋混合物没有光学活性。
- Lescol, marketed as racemic mixture, is very well tolerated and to date has not shown any clinical interactions with other commonly used drugs. 可治疗;作为推销消旋混合物是很好容忍至今未见任何互动与其他临床常用药物.
- Kirchner G, Scollar M P, Klicanov A M. Resolution of racemic mixture vialipse catalysis in organic solvents [J].J. AM. Chem. soc., 1986,107:7072. 朱全红;邓芹英;曾陇梅.;手性药物的薄层色谱拆分[J]
- Keywords racemic mixture;optical resolution;the preferential crystallization procedure; 外消旋混合物;光学拆分;优先结晶法;
- The ball is filled with gaseous mixture. 那个球充满了气体混合物。
- Do you know the constituents of the mixture? 你知道这种混合物的成分吗?
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- I listened to his excuse with a mixture of amusement and disbelief. 我怀着一种既好笑又不相信的复杂心情听了他的辩解。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。
- An explosive mixture, such as gunpowder. 火药易爆炸的混合物,如弹药
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- This is a mixture of the best tobacco. 这是由最好的烟叶配制成的。
- The mixture solidifies into toffee. 这种混合物凝结之后就成了太妃糖。
- She trickles oil into the mixture. 她把油一点点地注入混合物中。
- Agitate the mixture to dissolve the powder. 搅动混合物而使粉末溶化。
- The mixture of drinks made me vomit. 我喝了混合饮料后吐了起来。
- I weighed out half a kilo of flour and added it to the mixture. 我秤了半公斤面粉,加到混合物中。
- If you add too much liquid the mixture will not be thick enough. 加入的液体太多,混合液的浓度就不够。
- The mixture won't bind without water. 这种混合料不加水黏合不起来。