A better Nitroso-R-salt spectrophotometric method was established to determine cobalt content in alloy steel.
本文改进了亚硝基r盐分光光度法测定合金钢中钴的分析方法。
2
The first round of Strategic Arms Limitation Talks (SALT) between the U. S. and U. S. S. R. opened in Helsinki. Finland.
美苏两国在芬兰赫尔辛基开始第一轮限制战略武器会谈。
3
An advisory panel had concluded that salt should no longer have a blanket designation as safe, which "would normally trigger F. D. A. action," Michael r.