研究了4甲基愈创木酚一步氧化法合成香兰素的新工艺.A new method of synthesis of Vanillin from 2 methoxy 4 methyl phenol was studied.邻苯三酚自氧化法适于测定sod活性 吗 ?Can be used to assay SOD activity by means of pyrogallol oxidation?催化部分氧化法可以副产更多的蒸汽而消耗更少的蒸汽.C...
在三四十年代, 中西乐器独奏与重奏曲创作有了新的发展.In and 1940 s , the creation of and Western solo and ensemble instrumental music underwent new development.钢琴在自己的展开主题中,演奏出一段贯穿在两行五线谱中的重奏.Noted in two staves , the piano plays a reprise of its o...
Agricultural interests are some of the most powerful lobbies in Washington.农业利益集团是华盛顿最具影响力的游说团体之一。Theatre lobbies were filled with a vociferous crowd during the intermission.剧场大厅放映间隙,人群中发出喧闹的嘈杂声.Why might consumer intere...
主人坚持要让“酷地”参加金杯赛马会。The owner insisted on Cool Ground running in the Gold Cup.他并不认为自己的新工作是金杯毒酒。He does not regard his new job as a poisoned chalice.这个队又重捧金杯.The team has won back the trophy....