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,赤潮类型4种(单型、双型、型和四型)。
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,赤潮类型4种(单型、双型、型和四型)。
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作转移催化剂,氢氧化钾水溶液作碱,从苯乙腈和苄基氯出发合成了苯乙腈单烷基化物-α-苄基苯乙腈。
: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观点;若发现问题,欢迎向我们指正。