Twenty-one species of red tide organisms and four types of red tides (uniphase, biphase, triphase, tetraphase) were found.
共发现赤潮生物21种,赤潮类4种(单
、双
、三
和
)。
Twenty-one species of red tide organisms and four types of red tides (uniphase, biphase, triphase, tetraphase) were found.
共发现赤潮生物21种,赤潮类4种(单
、双
、三
和
)。
Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.
摘要利用固载化聚乙二醇-400三
转移催化剂,以氢氧化钾的水
碱,从苯乙腈和苄基氯出发合成了苯乙腈的单烷基化物-α-苄基苯乙腈。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。