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METHODS: The target compound was prepared by the bromination and amination reaction.
方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.
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Increase resource ancient type of spoon again finite, exploitation difficulty and cost raise etc.
再加匕资源有限, 开采难度和成本增加等等.
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Confucius said, head after listening to it: my little cheap also, so many things to base.
孔子听了却摇摇头说: 吾少也贱, 故多能鄙事.
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Results The nail fold microcirculation and hemorheology of three groups changed to different extent.
结果早期、缓解期和晚期患者甲襞微循环及血液流变学指标均有不同程度的改变.
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This explanation of the paramgnetism of was one of the early triumphs of molecularorbital theory.
?璧乃炒判缘慕馐褪欠肿庸斓览砺墼缙诔删椭0一.
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