论文部分内容阅读
生物可降解性血管内支架的制备及其性能研究
【机 构】
:
100853,北京,解放军总医院放射科,100853,北京,解放军总医院放射科,清华大学材料科学与工程系,清华大学材料科学与工程系
【出 处】
:
中华放射学杂志
【发表日期】
:
2003年37期
其他文献
目的了解额尔古纳口岸蜱类自然感染贝氏柯克斯体的状况,为Q热的预防控制提供技术支持。方法用套式PCR方法检测野外采集的蜱类携带的贝氏柯克斯体。结果在额尔古纳口岸地区采
Grain yield and water use efficiency of super rice under soil water deficit and alternate wetting an
This study investigated if super rice could better cope with soil water deficit and if it could have better yield performance and water use efficiency(WUE) unde
Effects of soilless substrates on seedling quaIity and the growth of transplanted super japonica ric
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
操练是英语课堂教学的基本活动形式,也是学生学习英语知识,获得英语技能的重要途径和主要方法.它对学生将习得的知识转化为能力起着至关重要的作用.课堂操练的形式常有模仿操
Although studies on the balance between yield and quality of japonica soft super rice are limited, they are crucial for super rice cultivation. In order to inve
Influence of water potential and soil type on conventional japonica super rice yield and soil enzyme
We carried out a pool culture experiment to determine the optimal water treatment depth in loam and clay soils during the late growth stage of super rice. Three