The rate constant of racemization of L-Pro increased with decreasing acidity of the carboxylic acid. However, the racemization of L-His was most rapid in acetic acid.

消旋速率因羧酸溶剂的不同而异：L-组氨酸在乙酸溶剂中消旋最快，而L-脯氨酸在正丁酸溶剂中最快。

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This paper mainly introduced the pro cess, principle and main contents on revision of DL/T5178-2003Technica l Specification for Concrete Dam Safety Monitoring.

本文叙述了电力行业标准DL/T5178-2003《混凝土坝安全监测技术规范》修订过程、修订原则及修订的主要内容。

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H. L. 's new franchise in China, Asia's first major pro hockey team.

这是KHL在中国新授权的球队，也是亚洲首个主要联赛的职业冰球队。

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Last year, during the height of the pro-immigration movement in L.A., I found myself in a room of black and Latino community activist-types.

NPR: What Will Be African-Americans' Political Destiny?

The fact is that the pro-immigration movement, with its half million people in the streets of downtown L.A. and a network of support that's not just national but global, didn't need black people at all.

NPR: What Will Be African-Americans' Political Destiny?