The carbene also reacts with alcohols.碳烯也可与醇反应.New , sterically demanding 1, 3 - dialkylimidazolinium salts used as N - heterocyclic carbene precursors were synthesized and characterized.合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3-...
批次号?序列号? 或其他可供追溯的号码.Were there any specific batch numbers, serial numbers or other identifiers that provide traceability?是否每批检测后的货都有合格的特性和可追溯的信息?Are all passed lots properly identified by their pass status, and traceabil...
I came into contact with very bright Harvard and Yale students.我接触到一些非常聪明的哈佛和耶鲁的学生。He was a professor of criminal law at Harvard University law school.他是哈佛大学法学院的刑法学教授。Harvard won by four lengths.哈佛大学队领先4个艇位胜出。...
The management handed back his few posses-sions.管理部门把他仅有的那点财物还给了他。Religious pamphlets were found in their posses-sion.他们被发现持有宗教宣传册。No matter how much we like honey, or how much we have read about the uncanny sense of dir...