In this paper, we show that to retrieve specified objects in massive remote sensing data set is very important in both p......

介绍了电火花表面强化的原理及特点,概述了电火花表面强化设备的现状,最后讨论了电火花表面强化技术的发展趋势. ......

This work has presented the evaluation of the compressive strength of hybrid clay bricks from interlocking brick making ......

聚晶金刚石是７０年代来发展起来的一种新型材料，其突出特点是超硬耐磨，成型加工十分困难，本文对其成型加工技术的现状及研究动态进行了详......