Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.Most people's faces are asymmetric.大多数人的脸不对称。There are two DesB 1 - DPI moleCUles in an as...
Most people's faces are asymmetric.大多数人的脸不对称。We have made no reference to asymmetric carbon atoms.我们未曾涉及不对称碳原子.Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.手性唑硼烷酮能够催化不...
动态观察小鼠血红蛋白和性情、行为改变,观察无偏瘫、抽搐、出血等.Monitor the level of hemoglobin and the behavior , disp of mice kineticly.结论: 踝足矫形器可以显著提高偏瘫患者的步行速度.Conclusion: Walking speed might be increased by AFO in hemiplegic patients.结论: 双桥运动对抑制偏瘫病...
The child has the mumps.这孩子患了腮腺炎.Mumps is a children's disease.腮腺炎是一种儿童疾病.Measles, mumps and whooping cough are spreading again because children are not being vaccinated.因为孩子们没接种疫苗，麻疹、腮腺炎和百日咳又蔓延开来。...
大麦是禾谷作物中较为耐盐的粮食作物.Barley is one of cereal crops with salinity tolerance.这种有机体是适度耐盐的,需求盐酸硫胺, 并且易受生物素和盐酸刺激.The organism was moderately halotolerant, required thiamin. HCl and was stimulated by biotin and nicotinic acid....