1、一种浮式天然游泳池,其特征在于它是由构成框形结构的若干个漂浮 体、侧板架及底框组成,其中每个漂浮体的顶部表面是制呈行走通道的平面, 行走通道的四周边沿设有护拦,其中底框是由网格状骨架及固定铺设其上的底 板构成,侧板架是由网格状骨架及固定装设其上的侧面护板构成,在底板和侧 面护板上开设有进出水...
PROBLEM TO BE SOLVED: To provide a new braze-jointing method between metals capable of essentially eliminating a failure factor accompanying the conventional Sn-Pb soldering in place of the soldering method using a soldering material not containing lead. SOLUTION: As a brazing material, a metal who...
6件事赶走孤独 从公交车始发站坐到终点站.再坐回来;不到饭点儿不回家;整天守在电话旁……相信每个人身边都会有这样一群老人,他们像契诃夫笔下的"套中人"一样,与世隔绝. 无 - 《健康必读:医保天地》 被引量: 0发表: 2014年 按摩赶走脸部浮肿 一些生活不规律的人常常会在早晨起床后发现,自己的眼睑及颜面出现...
The paper considers the evolution of turbulent kinetic energy in a turbulent boundary layer perturbed by suction. The results show that the boundary layer equilibrium is altered in a non-linear manner due to suppression of the structures near the wall. The behavior, however, suggests that the wav...