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[会议论文] 作者:Jing Peng,Yongchao Geng,Hai-Jian Yang, 来源:中国化学会第十三届全国有机合成化学学术研讨会 年份:2016
A series of Bi(Ⅲ) porphyrin complexes were synthesized and tested as catalysts for chemical fixation of carbon dioxide (CO2) and epoxides under solvent-free conditions in the presence of tetrabutylamm...
[会议论文] 作者:Yanyan Liu,Yongchao Geng,Hai-Jian Yang, 来源:中国化学会第十三届全国有机合成化学学术研讨会 年份:2016
Herein we report the synthesis of a series of bisfunctional alkyl-bridged Bis-(β-CD-ammonia)salt catalyst(C1-C7)from environment-friendly β-cyclodestrion(β-CD) and characterized by 1H NMR,13C NMR,IR t...
[期刊论文] 作者:Jiang Kang,Zhao Yongchao,Geng Xiurui,Tang Hairong, 来源:城市道桥与防洪 年份:2012
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
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