Methods: Based on several reported SDS-PAGE systems for low molecular weight protein, the buffer systems, concentrations of separating gel and stacking gel, electrophoresis procedures were optimized.

方法：比较以往报道的各种低分子量蛋白的电泳分离方法，对电泳缓冲液系统、分离胶和浓缩胶的浓度、电泳程序等进行了优化。

youdao

The Education Department has written a nineteen-page letter to all school systems, colleges and universities that accept federal money.

VOA: special.2011.05.19

In 2007 the Estonian defenders realized that many of their websites were based on Content Management Systems that built every web page on the fly from a database.

FORBES: DDoS Defense: Preventing business disruption

Unlike some filtering systems, it works on a page by page basis rather than an entire domain.

FORBES: Connect

This course is taught by Scott E Page, the Leonid Hurwicz Collegiate Professor of Complex Systems, Political Science, and Economics at the University of Michigan where he directs the Center for the Study of Complex Systems.

FORBES: Learn How Model Thinking Can Make You a Better Thinker