1.Methods Seven fresh cadaver specimens from L 2 to sacrum was used in the study. Each specimen was tested in five states:intact state as the control,spon dylolisthesis model by Panjabi meth od without fixation,spondylolisthesis model fixed with HOIST device,fatigued test of the HOIST and fixed with DICK system.
方法采用7具新鲜成人尸体脊柱标本(L2～S2),Panjabi法制作腰椎滑脱模型,固定器械分别为HOIST器械和DICK器械。
2.The design and clinical application of single arm suspended reduction fixation device(HOIST device) for spondylolisthesis
单臂悬吊腰椎滑脱复位固定器(HOIST器械)的设计与临床应用
3.Method:Each of seven adult cadaver specimens of lumbarsacral segments(L2～S2) was analyzed in five states(groups):intact,L4 spondylolisthesis,L4～L5 fixed with HOIST device,L4～L5 fixed with short Dick system,L3～L5 fixed with long Dick system. An nondestructive test was performed on L5/S1 segment with the spinal three dimensional analyis system.
方法 :7具新鲜成人尸体脊柱标本 ,取L2～S2节段。 每一标本在 5种状态 (组 )下进行L5 /S1三维运动测试 :完整组、L4滑脱组、两节段HOIST器械固定L4～L5组、两节段Dick器械固定L4～L5组、三节段Dick器械固定L3～L5组。
4.Treatment of lumbar spondylolisthesis with HOIST device and BAK
HOIST器械与BAK联合应用治疗腰椎滑脱
5.Based on discussion of the screw hoist with moving screw pair and the screw hoist with rolling screw pait,a new type of ball screw hoist is introduced in the paper.
讨论了滑动螺旋副和滚动螺旋副螺杆式启闭机的特点及不足，介绍了一种新型滚珠螺杆式启闭机。
6.Type NHSS wire rope pulling hoist is widely suitable for use in bridge-construction,laying of large-size pipes,installation and adjusting of machinery an electric apparatus,and large reaction tower of petrochemical industry;the installation and alignment of storage tanks;erecting,fitting,welding and alignment of masts,steel concrete timber structures;laying and translocating of rails and sleepers;loading and unloading bulky heavy goods during transportation.cable tensioning;demolishing of gallery supporting logs;stacking forrestry wood;and othersimilar cases.The hoist of this series is especially suitable for use in narrow working sites of limited space,where the job is high above the ground or in open air places,in tunnel of deep well,where no power for traction or lifting is available.
NHSS型钢丝绳手扳葫芦可广泛用于建筑施工、大型管道铺设、机电设备和石油化工大型反应塔、储罐的安装、校准、铁塔及其它钢木结构的竖立、拼装焊接、校准、铁轨、枕木的铺设、移位、交通运输中笨重货物的装卸、电线张紧、坑道支撑木的拆除、林区木材的集放等等，对于局部空间受到限制的狭窄工作场所、高空作业、野外作业、坑道、深井作业和无机电供能场所的各种牵引、提升作业、选用本系列产品尤为适宜。
7.This paper presents technical performance,specifications,application field and structure features of DEMAG PK electric chain hoist. Comparision with electric wire rope hoist is also performed.
介绍德马格（DEMAG）PK型环链电动葫芦的技术性能、规格参数、应用场合与方式、结构特点及与一般钢丝绳电动葫芦的比较等。
8.The structure of hardware of braking performance of hoist CAT system is introduced. According to the testing items of braking performance of hoist,software structure of this testing system is established by module idea.
介绍了提升机制动性能计算机辅助测试系统的硬件构成,根据提升机制动性能测试项目的要求,运用模块化的思想设计开发了测试系统软件,并给出了测试结果。
9.Based on the hoist spindle and the actual running parameters of a mine, the paper introduces the principle of checking the hoist spindle strength and expounds the application of Matlab in the field of strength check.
介绍了提升机主轴强度校核的原理,以某矿提升机主轴和实际工作参数为例,阐述了Matlab语言在其强度校核方面的应用。
10.Abstract: Combining with the actual coil type induction-motor-driven hoist system, an hoist emulation mathematical model and system is proposed. It is better consistent with the fact, has higher application value.
文摘:结合绕线型感应电动机驱动的单绳缠绕式提升机的具体实际，提出了提升系统仿真的数学模型，研究了相应的仿真系统.运行表明，符合实际情况，具有推广应用价值.
