Twenty-one species of red tide organisms and four types of red tides (uniphase, biphase, triphase, tetraphase) were found.
共发现物21种,
类型4种(
型、双
型、三
型和四
型)。
Twenty-one species of red tide organisms and four types of red tides (uniphase, biphase, triphase, tetraphase) were found.
共发现物21种,
类型4种(
型、双
型、三
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作三转移催化剂,以氢氧化钾
水溶液作碱,从苯乙腈和苄基氯出发合成了苯乙腈
基化物-α-苄基苯乙腈。
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