Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.

然后通过大量实验筛选出两种有效添加剂环丁砜和六次甲基四胺.

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We examine the study of hexamethylenetetramine.

我们来讨论六亚甲基四胺.

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Glycine was synthesized by phase transfer catalysis in the normal atmospheric temperature and atmospheric pressure.

以氨水、氯乙酸为原料,以六亚甲基四胺为相转移催化剂,在常温、常压下合成了氨基乙酸.

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The gadolinium complex with triethylenetetraaminehexaacetic acid ( abbreviated as H 6 TTHA ), K 4 [ Gd 2 ( HTTHA ) 2 ]?

在水溶液中合成了三乙四胺六乙酸钆配合物:K_4 [ Gd_2 ( HTTHA ) _2 ] 14H _2O的 单晶,并测定了其结构.

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