理学 色谱法 释 isoelectric focus electrophoresis；IEF 等电聚焦电泳 基于物质的等电点不同而进行的电泳分析方法。又称等电点聚焦或电聚焦（electrofocusing）。
计算机应用 信息系统与信息化 释文 information engineering facility, IEF 信息工程设施
- Bruno Bauer
- Bruno Maderna
- Brunot Report
- Bruno Walter
- Bruns
- Bruns expansion
- bruns formula
- Brun sieve
- Bruns theorem
- Brun sum
- Brun theorem
- Brun-Titchmarsh theorem
- Bruny Island
- Brush
- brush
- brush coating
- brush-cutter for forest service
- Brushed fabric Bedding
- brushes
- brushes used in oil painting
- Brush-holder with a Boy on a Buffalo Carved by Wu Zhifan
- Brushing glaze
- brushless D.C.motor
- brushlet transform
- Brush Notes of Lake Qiu