A kind of circuit breaker rotary shaft rotation type welding fixture 一種斷路器轉(zhuǎn)軸回轉(zhuǎn)式焊接夾具
Treatment of ankle fracture and dislocation with lateral rotation type of degrees pronation and supination 踝關(guān)節(jié)開(kāi)放性完全脫位伴骨折的臨床分型
Abstract : the article introduces cement slurry rheological characteristics and the method of determining the main parameters for cement slurry rheological characteristics , and analyses the difference between the rotation type and funnel type of viscometers in measuring plastic viscosity and apparent viscosity of cement slurry , and then the limitation of the funnel type of viscometer is described . the difference between rigidity and yield value is pointed out . finally through analysis of cement slurry rheological characteristics , the cement slurry filling mechanism is proposed , and the main factors affecting cement slurry are studied 文摘:介紹塑性流體水泥漿的流變性及確定水泥漿主要流變參數(shù)的一般方法;分析旋轉(zhuǎn)式粘度計(jì)與漏斗式粘度計(jì)在測(cè)定水泥漿塑性粘度、表觀粘度時(shí)的區(qū)別,說(shuō)明漏斗式粘度計(jì)在使用上的局限性;針對(duì)粘聚力(動(dòng)切力)的測(cè)定進(jìn)行分析,認(rèn)為粘聚力與動(dòng)切力為不同的概念.通過(guò)對(duì)水泥漿流變性分析,提出水泥漿充填機(jī)理,并對(duì)影響水泥漿擴(kuò)散的主要因素,即粘度影響水泥漿在節(jié)理裂隙中向前擴(kuò)散的速度,動(dòng)切力限制水泥漿擴(kuò)散距離作了說(shuō)明