用薄层层析法定性检测出硝酸酯基聚醚聚氨酯老化降解产物中的胺，推断降解机理为氨基甲酸酯中Ｃ－Ｎ键的断裂，讨论了影响检测的各种因素。
Wilson’s disease(WD) is an autosomal recessive disorder of copper metabolism, caused by mutations in the ATP7 B gene. A clear demand for novel WD treatment str
Gastroenterology （GE） used to be considered asubspecialty of internal medicine. Today, GE isgenerally recognized as a wide-ranging specialtyincorporating capaciti
啦啦,一块风化岩石被蹬落,张华另一只手抓的權木丛从石缝中被拔出来,张华随之滚上有几丈远、趴在那里。 赵明赶紧问:“怎么样?” 张华抹了一下满是灰垢和流血的脸,做个鬼脸说:“刚才要有像机照下这镜头才叫棒哪!” 天快黑了,远山如黛,近山蒙上了一层薄薄的雾纱,测绘分队的同志终于爬到了离木佛山顶只有的百把公尺的地方,但仰脸一看,山顶象个石柱子一样,陡然拔起。 赵明、张华他们放下仪器、行装,围着石柱
用硬度测量法研究了两种浇注聚氨酯弹性体的固化反应动力学，线性回归计算了固化反应级数，速率常数，最终硬度及反应活化能，说明了测定和处理方法。结果表明，反应级数随固化反应温度
Animal models and clinical studies have shown that helminth infections exert immunomodulatory activity,altering intestinal permeability and providing a potentia
Colorectal cancer(CRC) is a multifactorial disease characterized by several genetic and epigenetic alterations occurring in epithelial cells. It is increasingly