Molecular Modeling of the Chain Structures of Polybenzoxazines

来源 :Chemical Research in Chinese Universities | 被引量 : 0次 | 上传用户:henbuxiaxin11
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The structures and properties of benzoxazines were investigated by virtue of molecular modeling at a molecular level. By means of Cerius software(version 4.0) supplied by Molecular Simulations Inc., the molecular mechanics and the molecular dynamics were performed under a PCFF force field. Five kinds of the polymeric chains of benzoxazines were created by using polymer builder and energy minimization. The relaxation process was conducted with both energy minimization and molecular dynamics. The structures and properties of benzoxazines were investigated by virtue of molecular modeling at a molecular level. By means of Cerius software (version 4.0) supplied by Molecular Simulations Inc., the molecular mechanics and the molecular dynamics were performed under a PCFF force field. Five kinds of the polymeric chains of benzoxazines were created by using polymer builder and energy minimization. The relaxation process was conducted with both energy minimization and molecular dynamics.
其他文献
此研究是要评价患交界性卵巢肿瘤希望保留生育能力的年轻妇女采用腹腔镜保守性手术的效果 ,以及评价在随访期中是否妊娠对复发率有影响。作者从 1995年 1月至 1998年 1月 ,对
1990年至1998年,在我院收治的婴儿肺炎治疗中,观察到治疗肺炎心衰应用酚妥拉明的疗效甚佳。现将体会总结如下。1 方法和结果 肺炎心衰除常规用抗生素、吸氧、镇静、利尿、强
Zeolite X membranes were investigated by in-situ hydrothermal synthesis on porous ceramic tubes precoated with zeolite X seeds or precursor amorphous aluminosil
1 各部件装配间隙 气门间隙(mm): 气门杆与导管配合间隙:0.02~0.04mm,使用极限进气门不超过1.0mm,排气门不超过1.3mm。 液压挺杆与导管配合间隙:0.012~0.056mm,使用极限0.10mm
木文对拐腿式盒型平支臂和斜支臂的机械计算公式作了系统介绍。除斜支臂外端的转角和轴向变形柔度采用弹性应力函数求解平而应力的方法外,其余公式都采用材料力学莫尔定理求
一、前言土石坝工程由于坝体或坝基发生渗透破坏而失事的事例屡见不鲜。瑞典的雷努斯(Reinius)在1936年根据119座土坝失事实例统计得知:由于渗漏及管涌失事的土坝占土坝失事
报告手术治疗小儿先天性输尿管异位开口 19例 ,右侧 13例 ,左侧 6例 ,经 B超诊断 17例 ,大剂量延迟排泄性尿路造影诊断 9例 ,结合 CT或 MRI检查诊断 7例。患侧重复肾、上肾段
1.勘察水源修建小型水库(塘坝)之前,首先要摸清水源,搞清山沟或小河流的最大、最小、正常流量和全年来水量,以便确定库(塘)规模,确保安全,更好地为农牧业生产服务。多数山沟
韩国大宇汽车公司于1994年7月28日宣布,该公司研制成功压缩天然气(CNG)汽车,并可很快进入实用化。据称,该车的超低公害排气标准达世界最高水平,且具优越的运行性能和价格低
提起广告,人们自然联想起提着油漆筒,站在高大的铁皮板子前,抓把刷子蹭来蹭去的操作形式。孰不知,路牌广告业发展到今天,早已花样繁多:巨型彩色照片与大型电脑喷绘,使路牌广