以2，3- 丁二酮和乙二胺为原料，采用二步法合成了2，3-二甲基吡嗪．研究了催化剂体系对脱氢反应的影响，得到了较好的结果．。
Dimethylpyrazine was synthesized by the two_steps method of 2,3-butylanedione and ethylenediamine, the dehydrogen catalytic system was studied and better results were obtained.
采用一步法和二步法研究了聚乙烯薄膜表面的N- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。
The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
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