The suitable organic imine reactants have a variety of compositions and structures.合适的有机亚胺反应剂具有多种组成和结构.The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~...
Overhead, the lights showed the old timbers, used to brace the roof.灯光照亮了头顶上支撑屋顶的旧房梁。My daughter has to wear a brace on her teeth.我的女儿得戴牙套以矫正牙齿。The doctor cautioned him to brace up.医生告诫他要振奋精神.You had better brace yoursel...
在有限维空间中可以运用行列式.For finite - dimensional spaces determinants can be brought into play.这个行列式是两个行列式的结式的特殊情形.This determinant is a special case of the resultant of two polynomials.行列式可根据任何一列余因子来求算.The determinant can be eval...