This is a summery of the synthesis, structure and reaction of borazine.
对环硼氮烷合成、结构和反应进行了综述。
This is a summery of the synthesis, structure and reaction of borazine.
对环硼氮烷合成、结构和反应进行了综述。
Starting from the summery, economic development foundation and incorporative development of Jing-jin-ji area, the paper makes 6 policies for the regional economic development of the area.
从京津冀地区概况、经济发展基础以及联合发展内容等方面入手,提出了京津冀区域经济发展6项对策。
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