Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文研究了在相条件下对两可亲核试剂不同位置烷基反应。

The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.

以一氯丙酮、甲酸钠和甲醇为原料经酯与醇解两步反应合成羟基丙酮,研究了反应条件对相酯以及醇解反应蒸馏过响。

In software engineering, the degree of complication of a system or system component, determined by such factors as the number and intricacy of interfaces, the number and intricacy of conditional branches, the degree of nesting, the types of data structures, and other system characteristics.

在软件工中，系统或系统组成部分复杂度由下述因素确定：接口数量和错综度、条件数量和错综度、嵌套深度、数据结构类型，以及其它一些系统特性。