Some problems in development and application of novel epoxy resin - based lubricative and wear - resistant coatings 新一代环氧润滑耐磨涂层研制与应用中需解决的若干问题
2.
Cw the feature of cw magnetic - driving vortex pumps is little capacity , high - head , it can convey the fluid containing 20 percent of gas and non - lubricative , also can be used to the occasion where npsh is low Cw型磁传动旋涡泵，是小流量高扬程应用最理想的选择;可输送含有20 %气体的介质，可应用于非润滑性流体和汽蚀余量很低的场合。
3.
Machinery can product higt precisely and stably . all the machine parts and components are made by adopting the hith quality material , strong struction , durative lubricative system to make the machine working smoothly and decrease the frication damage 全部机器采用优质材料，结构坚固，强制润滑系统使机器运转顺利并且可十分有效地减少磨损。
4.
The intubatton operating side of the lens body is smeared with the lubricative silicon oil , which can effeictively eliminate the friction resistence between the lens body and the trachea and hence make the clinic operation much more convenient 麻亮爽镜体的插管操作面涂有润滑硅油，有效地消除了气管导管与镜体的摩擦阻力，临床操作更加方便。
5.
Piston plated by 0 . 5 - 3u tin on the surface in chemical way , the tin layer with little hole has the lubri - cative quality of soft metal . it can absorb more lubricative oil to drop the friction between the piston and cylinder 在活塞表面用化学方法镀覆05 . - 3的锡层，多孔的锡层有软金属的良好润滑特性，能吸附较多润滑剂，降低了活塞与气缸音的摩擦功
6.
Pb - sn coatings which are lubricative can effectively reduce friction resistance . electroplating pb - sn coatings in fluoborate system and alkylsulfonic system was studied in this paper . the process parameters , properties of coatings and maintenance of processes were investigated systematically 本文对氟硼酸体系、甲基磺酸盐体系电沉积制备pb - sn合金镀层的工艺条件,镀层性能以及工艺维护等进行了详细深入的研究,取得了如下研究成果。
