substitution造句

• The overall reaction is one of substitutions .
  总反应是取代反应中的一种。
• They allow no substitutions on the club luncheon .
  客饭固定的午餐不能换菜。
• I have made the substitutions required in this book .
  我在本书中已应需要作了改换。
• The procedure for solving the eqs is called back substitution .
  解方程组的这一步骤叫回代。
• Substitution : player no. 4 for no. 3 .
  换人：
• For the moment, she could scarcely forgive the substitution .
  这会儿，她没法子宽恕这种更替。
• Amines can engage in nucleophile substitution reaction with alky .
  胺能参加与卤代烷的亲核取代反应。
• Substitution , no.3 for no.4 .
  换人：
• Bridged bicyclooctanes gave no significant bridgehead substitution .
  桥二环辛烷不给出有意义的桥头取代。
• It was merely the substitution of one piece of nonsense for another .
  这不过是用一个谎话来代替另一个谎话。
• Severe steric effects at the reactive carbon would impede the substitution .
  大的立体效应阻止在碳上的取代。
• The tendency to substitution may be overborne by a contrary tendency .
  替代的趋势也许会被一种相反的趋势所压倒。
• We see immediately that after substitution the real part of each term is 0 .
  我们立即看出，在代换之后，每项的实数皆为零。
• The substitution of a purine for a pyrimidine, or vice versa is a transversion .
  嘌呤为嘧啶取代或嘧啶为嘌呤所取代，叫做颠换。
• It is convenient to nondimensionalize this problem with the following substitutions .
  利用下面的代换，便于使这个问题无量纲化。
• The elasticity of substitution is a useful concept in several areas of economics .
  置换弹性在若干经济学领域内是一个有用的概念。
• Many groups can be added by nucleophilic substitution on a diazonium salt .
  许多基团可通过向得自胶的重氮盐作亲核取代而加以导入。
• The trigonometric terms should be changed by the substitution of the equations involving the double angles .
  用倍角公式代换三角函数项。
• It is usually best to avoid substitution of numerical values until the final formula has been obtained .
  在得到最终公式以前最好不要代入数值。
• Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts .
  大多数连于芳核能被直接取代的基团仅限于重氮盐。