中华人民共和国电力行业标准 DL/T 517—93 电力科技成果分类与代码 1 适用范围 本标准规定了电力科技成果的分类与代码，适用于电力科技成果的信息采集、 存储、处理和交换。 2 分类原则与编码方法 2.1 本标准中的分类主要根据电力科技成果管理工作的实际需要，同时也考虑了有关学科或专业分类的习惯性。 2.2 本标准中的代码由六位数字组成，自左端向右端顺序分为四级，其中第一级、 第二级均为一位数字，第三级、第四级均为两位数字。 3 代码表 基 本 类 目 1 0 0 0 0 0 综合3 9 6··········································································· 4 2 0 0 0 0 0 基础科学与应用科学、水文、地质与勘测3 9 8 ··········································· 6 3 0 0 0 0 0 水力发电4 0 1 ······································································· 8 4 0 0 0 0 0 火力发电4 0 5 ······································································ 13 5 0 0 0 0 0 电气技术4 1 4 ······································································ 21 6 0 0 0 0 0 其它发电方式4 2 4 ·································································· 29 7 0 0 0 0 0 电力工程材料4 2 6 ·································································· 31 8 0 0 0 0 0 环境保护与劳动保护4 2 8 ···························································· 33 9 0 0 0 0 0 其它4 2 9 ························································...
