研究了Ａｌ－Ｚｎ－Ｍｇ系合金经时效－回归－再时效多级热处理后更度的改变，用小角Ｘ射线散射研究了多级时效热处理中合金微结构的改变和硬度改变的机理。......

目的 探讨小角度会阴切开加皮内美容缝合法在产科分娩中的临床应用价值.方法 将450例选择经阴道分娩的初产妇随机分为三组,分别施......

针对小锥角零件(半锥角α=7°)的成形,以LF2,LF6,LF21铝板料为原料,采用先预制坯后多道次剪旋的成形方案,试验研究了材料塑性......

介绍了利用平面镜多次反射系统实现二维高精度小角度偏转测量的光学测量方法,构建了实验系统,针对系统的测量精度和测量范围与激光......

The present work deals with a detailed analysis of the small-angle X-ray scattering of nanoporous atomistic models for a......

One of the requirements of engine lubricating oil is that it must have a low enough viscosity at low temperatures to ass......

The BL19U2 at the Shanghai Synchrotron Radiation Facility is a small-angle X-ray scattering beamline dedicated to struct......

The experimental investigation on the conformation of a thermotropic main-chain nematic polymer by small-angle X-ray sca......