1) quick-return
急回
1.
Considering the knowledge about slider-crank mechanism,such as evolvement of mechanism,quick-return characteristics and dynamic balance.
针对机械原理中曲柄滑块机构的演化、急回特性及动平衡等有关内容,开设了基于动力学仿真分析软件Pro/Mechanism的曲柄滑块机构仿真实验教学,取得了明显的综合成效。
2.
This paper proposes an analytical design method for the quick-return mechanisms such as the four-bar linkage and developes an optimum design method for those mechanisms in which the time-ratio and the minimum transmission angle are given simultaneously.
导出了具有急回运动的曲柄摇杆机构运动综合的解析设计方程,从而解决了图解设计带来的质量差的问题。
2) emergency return
应急返回
1.
Objective To observe image changes of multi-organ injuries in rhesus under high G during spacecraft emergency return.
目的观察飞船应急返回高过载致猴内脏损伤的影像学改变。
3) quick-return characteristics
急回特性
1.
Discussion on quick-return characteristics of planar linkage;
平面连杆机构急回特性讨论
2.
This paper presented an optimization method to the double crank slider six bar mechanism,which had quick-return characteristics,and was used in main drive of gear shaper.
对具有急回特性、可应用于插齿机主运动的双曲柄滑块六杆机构进行了优化研究,使其在工作行程内速度均匀,缩短了工作空行程,提高了回程速度,可以大大改善插齿机主运动性能,提高插削效率和插齿齿面质量。
3.
The equal-visual angle theorem and half-angle rotation was described and the method of designing crank-slider mechanism with quick-return characteristics by motion geometry was presented,including drawing method and analytical method.
在等视角定理及半角转动法的基础上,提出了用运动几何法设计具有急回特性的曲柄滑块机构的方法,包括图解法和解析法,既实用又简洁,弥补了传统的平面几何法设计上的不足,最后给出了应用示例。
4) quick return characteristics
急回特性
1.
The larger the speed ratio coefficient of travel and the stronger the quick return characteristics in the unidirectional operated crank-slider mechanism are the higher its working efficiency is.
曲柄滑块机构,瞬间传动角愈大,其运动性能愈好;单向工作的曲柄滑块机构,行程速比系数愈大,急回特性愈强,工作效率愈高。
2.
The quick return characteristics of planar linkage mechanisms have closely relationship with its crank angle θ between the two limiting positions.
而平面连杆机构的急回特性与其极位夹角θ密切相关。
5) quick-return characteristic
急回特性
1.
According to the graph drawn above, it analysizes the effects of quick-return characteristics on load-transmitting performance in detail, which provides the basis for determining .
根据图表深入分析了曲柄滑块机构急回特性对传力性能的影响,为确定机构急回程度(行程速比系数K)和偏距e提供了依据。
6) Quick-return
急回运动
1.
The mechanism offset double crank slider not only has the characteristic of super quick-return (k>3),but also has variety time ratio.
偏置双曲柄滑块机构不仅具有k>3的超急回运动特性,而且具有可变急回运动特性,机构中各构件尺寸一定时,仅仅改变其相对安装位置,便可获得不同的行程速比系数。
2.
The characteristic of quick-return of radial double crank slider mechanism was analyzed,the result proved that this mechanism not only has the characteristic of super quick-return but also has the characteristic of variety quick-return.
分析了对心双曲柄滑块机构急回运动特性,结果证明,该机构不仅具有超急回运动特性的可能性,而且在各构件尺寸一定的情况下,仅改变其相对安装位置便可使其具有行程速比系数不同的急回运动特征。
补充资料：急性回肠炎
急性回肠炎
一种原因不明的急性肠道炎性疾病。常突然起病，表现为发热、右下腹痛、腹泻、呕吐，白细胞增高等。常被误诊为急性阑尾炎，多在手术时被证实。本病多局限于末端回肠，在儿童和青少年可广泛累及空肠及回肠。常出现显著的吸收不良综合征。腹泻加剧，电解质紊乱，体重下降，发育成长障碍，低蛋白血症等。可采用抗感染，对症等非手术疗法，必要时可行手术，本病预后不良。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条