查询词典 screw-pitch

To evaluate the biomechanical stability of lumbar intact specimen, anterior lumbar interbody fixation specimen, ALIF specimen fixed with pedicle screw and ALIF specimen fixed with translaminar facets screw.

目的］ 对腰椎完整标本、单纯腰椎前路椎间融合术、ALIF分别行椎弓根钉固定及经椎板关节突螺钉固定4种状态进行测试，比较生物力学稳定性。

Each of eight adult fresh cadaver specimen of lumbarsacral segmcnts was analyzed in four states: intact, L5S1 ALIF, L5S1 ALIF fixed with pedicle screw or fixed with translaminar facets screw, test and compare its range of motion in flexion, extension, lateral bending and axial rotation.

方法］ 采用新鲜腰椎标本8具，分别于完整状态、L5S1，前路植以Cage、L5S1，前路Cage分别行椎弓根钉固定及经椎板关节突螺钉固定下，测定前屈、后伸、侧弯及扭转运动下运动范围并进行比较。

Through the different assembly of the angle screws and the connective bar, to increase or decrease the fixation angle of the angle screw which as an upholding arm and the connective bar to meet the needs of different lumbosacral angles and hauling screw reducing distance.

通过角度开口螺钉与角度连接棒的不同组合应用，增大或减小作为支撑臂的角度开口螺钉与连接棒之间的固定角度，以满足不同腰骶角及复位距离的需要。

Methods HOIST device is composed of the hauling screw, open angle screw, blocker, angle connective bar and blocking ring.

方法HOIST器械由提拉螺钉、角度开口螺钉、阻塞器、角度连接棒及阻挡环等组成。

Sport watch, Swiss-Made automatic movement displaying 6-hour, 30-minute and 60-second subdial, Main dial polished silver-tone hour/minute hands with luminous accents and polished chronograph-seconds sweep hand, Subdials displayed by silver-tone hands, Main dial applied and polished silver-tone luminescent baton markers, White Arabic numbers/indices mark subdials, Red/white numbers and white indices mark outer minute track, Analog date display at 3, Polished silver-tone stainless steel round bezel and case with raised design at case sides, Polished screw-in crown and steel pushers, Stainless steel screw-in 'skeleton' caseback, Sapphire crystal, 200 meters/660 feet water resistant.

运动手表，瑞士制造的自动运动显示6小时，30分钟和60秒的表盘，抛光银主拨号音小时/分钟双手发光口音和抛光计时，秒扫手，Subdials显示的银色色调手，主要应用于拨号和抛光银双色荧光指挥棒标记，白色阿拉伯数字/指数马克subdials，红/白，白指数的数字标记外分钟跟踪，模拟3日期显示，抛光银双色不锈钢圆形边框并设立案件提出了设计方面的情况，抛光螺钉在'在冠和钢铁顶推船，不锈钢螺钉骨架'表壳，蓝宝石水晶，200 meters/660英尺防水。

If the shaft seal bad back, there will be large number of resin powder leaked, each class should be pressed for several Pan-gen still leakage phenomenon not only affects the sanitation, and increase the volume of maintenance and therefore a need to use The system forms a seal 4 gear is reasonable Screw conveyor is the use of motor driven rotary screw, the passage of materials in order to achieve the purpose of transportation machinery, it can level, tilt or vertical transmission, a simple structure, small cross sectional area, sealing, and easy to operate, easy maintenance, facilitate closure transportation and other advantages.

如果轴后端密封不好，就会有大量树脂粉泄漏，每个班要压好几次盘根，仍有泄漏现象，既影响了环境卫生，又增加了维修量，因此急需选用一种适用于该系统的密封形式 4传动装置的合理性螺旋输送机是利用电机带动螺旋回转，推移物料以实现输送目的的机械，它能水平、倾斜或垂直输送，具有结构简单、横截面积小、密封性好、操作方便、维修容易、便于封闭运输等优点。

Afterward, you screw the mounting bars to the backplate and screw two LGA fastening brackets to the heatsink.

在从情况先安装主板背面底部的支架在安装前面二根左右固定扣具。

Installation of the foundations of machine Sizing Block plane can be concrete, it can be wood, requiring formation of solid; installation, spin out the adjustment screw will be placed Sizing Block machine load plate, then screwed the top screw.

安装机床垫铁的地基平面可以用混凝土，也可以是木质的，要求平整结实；安装时，旋出调节螺杆，将机床置于垫铁的负荷盘上，然后从上面旋入螺杆。

That is, plastic screw-plate-type copper composite material Slideway TS-70 series, screw-plate-type heavy-duty low-Mount Self-lubricating bearings lubrication and drop TS-100 series, screw-plate-type solid-liquid film lubrication Bearing GM series, in addition to have mosaic-type self-lubricating composite bearings XQZ and with independent intellectual property rights GY series, as well as a common three-tier composite material SF series, copper steel matrix composites TSG Series.

即钉板型铜塑复合材料滑道TS-70系列，钉板型重载低摩自润滑和滴油润滑轴承TS-100系列，钉板型固液油膜润滑轴瓦GM系列，此外还有镶嵌型自润滑复合轴承XQZ和具有自主知识产权的GY系列，以及通用的三层复合材料SF系列，铜塑钢基复合材料TSG系列。

Objective To set up the finite element model of type Ⅱ axis odontoid fracture treated with anterior odontoid screw fixation and analyse the influence of different fixation position of screw 、different angle of fracture surface to the stability of odontoid process fracture fixed with anterior odontoid screw.

目的建立Ⅱ型齿状突骨折螺钉固定的三维有限元模型，分析不同螺钉内固定位置以及骨折面角度对术后Ⅱ型齿状突骨折端稳定性的影响。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。