这种特殊的能变化的塑料是由长链碳氢化合物通过微细金属“胶”合而成。
The ‘ingenious and transformative’ plastic is made up of long chains of hydrocarbons ‘glued’ together by tiny plugs of metal.
为提高沙蒿胶的水溶性而使其应用得以拓宽，采用向其大分子链引入羧甲基基团，制备羧甲基沙蒿胶的方法。
In order to improve the water solubility of artemisia glue and widen the application field, carboxylmethyl group was introduced into its molecular chain.
用聚酯胶的溶剂对所得产品进行溶取试验并且通过红外光谱分析都证明了链交换反应的存在。
The exchange reaction is proved by the experiment of solution of the product in polyester adhesive agent and the analysis of infrared ray analyzer.
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