RESEARCH ON CONFORMATION OF CAPROLACTAM AND ITS ALKYL DERIVATIVES

来源 :Journal of China Textile University(English Edition) | 被引量 : 0次 | 上传用户:wio120we
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
Caprolactam is treated with dimethyl sulfate in benzene medium under conditions of various molar ratios to yield two different methylatcd products. The homogeneous reaction of caprolactam with dimethyl sulfate without any medium can only givc one methylat
其他文献
目的将PBL教学法与多媒体结合教学应用于烧伤科进修医生的临床教学中,对其应用效果进行探讨分析。方法将本院60名烧伤科进修医生,经随机数字分2组,实验组、对照组,各30名,对
General Papers submitted for publication should be new publications.Prior Publication in Conference proceedings of an abstract,summary,or other abbreviated,pre
期刊
目的 探讨下尿路症状的临床教学方法.方法 采用在本院进修学习的北京市西城区全科医生为研究对象,共60名随机分为两组,每组30名,两组的一般资料对比差异无统计学意义.实验组
Based on the analysis, according to the principle of vibration, of the working character of weft tension compensator in needle looms, the paper studied the prin
External factors influenee the strategic selections, internal strength and management activities of an enterprise. This paper discusses the key factors of indus
将小组讨论与Mini-CEX教学方法融合运用于细胞生物学课程中,针对医学生缺乏主观能动性、被动填鸭式学习的问题,根据细胞生物学课程的基础性、实践性、实用性等特点,结合先进
This paper reports the optimum design of combing roller speed with reference to yielding 6-13 Ne(98.4—45.4 tex) pure ramie noil rotor-spun yarns. The universal
Assemblability evaluation is a pivotal step in design for assembly (DFA). In this paper, the authors analyze the problem existing in previous assemblability eva
The axle-treadle mechanism of Han loom consists of a set of components, including two pedals controlling one shaft via a central axle. Based on the new archaeol
On the basis of analyzing the typical kinds of balloon controllers used now, this article provides a new type one named Fixed Bell Shaped Balloon Controller. Ex