管

The structure shown in the figure : The governing body received direct or roller drying cylinder, as the main components of the rotation; After finishing the outside of the sphere, Bottom Cover and soak spherical carbon graphite seal ring joint seal reliable seal friction deputy, Sealing ring in the spherical shell of its annular space sliding, in addition to oil-free bearings and with the close cooperation of Shell, Rotating connector so that the free support, and therefore do not require a high level of accuracy installed; Spherical seal ring wear, Spring means of pressure at any time in advance to receive compensation, compensation for the shell slowly moved backward, accessible through the tube outside the inscription on the line to observe the seals wear; When steam, Oil flows through the media or other spherical sealing ring and oil-free bearings, the formation of thin liquid film, sealing and lubrication, thereby reducing friction and wear, extending the service life.

其结构如图所示：外管体直接接到辊子或烘筒上，为主要的旋转部件；经过精加工的外管本球面、底盖和浸泡碳石墨球面密封环共同组成密封可靠的动密封磨擦副，球面密封环在其壳体内的环形空间中滑动，加之无油轴承与壳体的密切配合，使旋转接头自由支撑，故对装机精度要求不高；球面密封环磨损后，借助于弹簧的预压力随时得到补偿，补偿时壳体缓缓向后移动，并可通过外管体上的刻线观察到密封件的磨损程度；当蒸汽、油或其它介质流经球面密封环和无油轴承时，形成一层很薄的液膜，提供密封和润滑，从而减轻了摩擦和磨损，延长了使用寿命。

The experimental results showed that the diameter of orifice had a great effect on the lower limit of the hung-up regime but not on the upper limit. However, the stagnant height in hopper, the angle of hopper, the length and diameter of standpipe had influence on the upper limit but not the lower limit.

实验结果表明：立管底部孔口大小对于悬料区的下限有影响，而对上限无影响；相反，漏斗中的物料高度、漏斗的锥度、立管长度和立管直径对悬料区的操作有很大影响。

This paper focuses on the optimal pitch arrangement in double-side heating once-through steam generator with helix tube inside.

本文主要研究了带内螺旋缠绕管的管套管双面加热直流蒸汽发生器元件中沸腾段内螺旋管螺距设置的优化问题。

At the same time,select three issues carries on solve by the Year 2008's ACM\ICPC finals:air condition machine is description the elbow of air conditioning installation problem,limited the quantity and types of air-conditioning pipe under the conditions of the installation of air-conditioning method;Password suspects,this problem is giving a system password letter combinations possible combinations and length under the conditions,to design an algorithm to calculate the correct arrangement of the password;Steam roller,this problem giving the situation of urban streets,drive steam roller from one point to another point of the shortest path,is used by how many time.

同时，选取了2008年度ACM\ICPC总决赛的三道题目进行求解：空调机器这一题描述的是对空调管的安装问题，在限定空调管数量和型号的条件下空调管可能的安装方法；密码嫌疑这一题求解的是在给定一个系统密码的可能的字母组合和长度的条件下，设计一个算法以算出正确的密码的排列方式；蒸汽压路机这一题是在给出城市道路情况的条件下，求两点间压路机走完最短路径总共所花费多少时间的问题。

When joining and welding on steeliness tubeplate and red copper heat exchange tube in the tubular heat exchanger,whether we adopt welding way or not expanding,evermore there are leakages and seepages as some troubles.

在管壳式换热器钢制管板与紫铜换热管连接时，无论采用焊接还是胀接，经常出现的问题是泄漏和渗漏。

This paper base on test about repair sleeves of conductor and earthwire. Analyzed function between the quantity of breaking wires of conductor and earthwire and the length of repair sleeve. It provides testing edvidences that using repair steeve repair conductors and earthwires in the constructing and operating process.

本文通过对导、地线补修管进行的试验研究，探求了导、地线断股数量与补修管长度之间的关系，为导、地线在施工及运行过程中能最大限度的利用补修管进行补修提供试验依据。

Results indicate that the stigmatic surface morphology of Pedicularis species is related to the type of corolla structure occurring in the species. Pollination studies in 8 Pedicularis species demonstrated adaptation between stigmatic surface morphology and other aspects of floral biology.

拥有更膨大，更粗糙的柱头表面特征的植物种类通常都是具喙或长管种类，而短管无齿种类的柱头平滑且无膨大，相反，对于长管具喙种类而言，柱头在膨大的同时，更形成了发达的"沟回"结构，这种柱头结构式样的不同直观、显著的改变了不同种类的传粉效率。

By using finite element analysis software ANSYS,the 3-D model of real structure of waste heat boiler was built when the effect of tubesheet interacted with cylinder and tube was taken into account.Based on the mechanical stress analysis,the deformation of the tubesheet and the stress distribution diagram were obtained.

运用有限元分析软件ANSYS，对废热锅炉建立了考虑筒体和换热管影响的管板真正实际结构的三维模型，对其进行机械应力分析，得出管板的变形和应力分布云图。

LC with four ports: one 10-mm umbilical port, one 10-mm subxiphoid port, and two 5-mm port in the right subcostal position. results There were significant difference between the two groups in terms of resumption of food intake, the duration of analgesic requirement , analgesic consumption, the time of incision pain, postoperative stay and cosmetic results.

结果 与LC组相比MLC组在进食时间，镇痛剂应用时间，应用剂量，切口疼痛时间，术后住院时间，美学满意度上均具有显著性差别，而在手术时间，术中出血量，胆囊破裂有无，腹腔冲洗有无，引流管放置，手术中转及引流管拔管时间上均无显著性差别。

Submental endotracheal intubation is a secure and effective technique of airway management,an alternative to tracheotomy in treatment of patients with complex facial fractures.

经颏下进路气管内插管是一种安全有效的插管方式，在复杂面部骨折手术治疗中可以替代气管切开气管内插管。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。