概要叙述了天然橡胶和合成橡胶的发展历程,分别从橡胶化学和橡胶物理的角度介绍了橡胶的基本性质。
To study the efficacy and safety of the Jiang Tang Fang Long Jiao Nang (Hypoglycemic Anti-Deafness Capsule) in treating non-insulin dependent diabetes mellitus
Morphological diversity is one characteristic of hypertrophic cardi omyopathy (HCM), but it is not common that HCM is associated with apical left ve ntricular
目的观察胸部受撞击过程中心脏的动力学响应及心脏损伤的病理学特点.方法以不同撞击速度和压缩响应对11只犬和34只兔进行胸前部撞击,监测胸壁的运动过程,观察心脏损伤特点,运用数学模型分析损伤机制.结果粘性标准与损伤程度密切相关;受撞击后胸璧发生压缩和扩张双向运动;心脏损伤以心内膜出血为主,心脏破裂多发于心室侧壁,光镜观察可见挫伤区心肌纤维断裂;心室侧壁变形大,曲率半径减小,因而出现应力集中,易导致破裂
“园丁的汗水,在绿叶上闪光,教师的汗水,在心灵中结果。园丁的梦境,常常是花的芳香,叶的浓荫,教师的梦境,常常是雅甜的笑脸,朗朗的书声。”而我的梦就是做一个孩子喜欢的老师
Total colon duplication is usually associated with the rectourethra l or rectovaginal fistula.1 Currently, the popular treatments consist of mak ing an anastom