Abstract: Thermal stress analyses of fixed tube-sheet heat exchanger are very complex and difficult.
摘要：固定管板式换热器的热应力分析具有相当的复杂性。
ResultsThe optimal design and operation of the fixed tube array reactor for catalytic hydrogenation of aniline was realized.
结果实现了苯胺催化加氢制环己胺列管式固定床反应器的优化设计与操作。
Glass fiber encryption tensile strength increases, the more enhance bubble board with size, surface hardness and easy construction land mark fixed tube.
玻璃纤维加密抗张强度增大，更增强泡沫板硬度，表面带有尺寸标记，易于施工固定地热管。
The pre-stressed technology has good prospect in development and application for it may greatly reduce the thermal stress of fixed tube-sheet exchanger.
预应力技术可以大大降低固定管板换热器的温差应力，因此有良好的应用前景。
The report introduces fabricating and assembling process of fixed tube sheets type heat exchanger including tube bundle and shell, tubes passing through tube-sheets , etc.
本文介绍了超细长比的大型列管式固定管板换热器管系构架组装，穿管和管系与壳体组装工艺。
The paper analyzes the exciting force on the fixed tube linear motor drive compressor(TLMDC), and provides the concrete body vibration differential equations on TLMDC and its calculating results.
分析了减振固定式直线电动压缩机机体上的激振力，推导了机体的振动微分方程式，重点讨论了理想情况下机体振动微分方程式的具体表达式并对其进行了数值求解。
All eyes were fixed on a narrow test tube — two-thirds filled with a viscous black liquid — clamped between two couplings on the machine.
所有的目光都集中在一个狭窄的试管上，里面三分之二装着黑色的粘性液体，试管被夹在机器的两个联结器之间。
The volume is fixed by measuring a specific gas (liquid) of controlled temperature and pressure using a sample measurement tube.
通过使用样品测量管测量受控温度和压力的特定气体(液体)来固定体积。
Two common types are the fixed orifice, or the orifice tube, and the thermostatic expansion valve.
两种常见形式是固定节流阀式或节流管式，以及节流膨胀阀。
The above connecting bar springs rubber balls are all placed in metal tube casing pipes are fixed to supporting frame's two sides.
以上连杆、弹簧、皮球均放置在金属管内，套管固定在大梁两侧。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
For thread or sticking mastic group, the gastric tube was fixed on the middle of lower lip by the two-step fixation with thread or sticking mastic.
一组为胃管置于下唇中部，采用棉线固定法； 二组用粘膏两步固定法；
On the grounds of the pinch-off voltage, the cut-off point of variable resistance area and saturation area can be fixed, so the field effect tube can reliably work in the saturation area.
根据夹断电压能确定可变电阻区与饱和区的分界点，使场效应管可靠地工作在饱和区的原理。
Capacitive pressure difference sensor is fixed in the center of the tube and connected with the pulse width modulation circuit so that capacitive flow transducer is made up.
把电容式差压传感器固定在管道中央，并配接脉冲调宽电路，即构成电容式流速变送器。
In the paper, the process characteristic and flow of several major MTG processes including fixed bed, fluidized bed and multi-tube reactors are reviewed, and these processes are compared.
介绍了固定床工艺、流化床工艺、多管式反应器以及一步法甲醇制汽油（MTG）的工艺特点及其流程，并对几种工艺进行了比较。
At least one second nozzle tube is fluidly connected to the fuel source and spaced radially outward from the first nozzle tube with a proximal end fixed to the flange.
至少一个第二喷嘴管与燃料源流体连接并从第一喷嘴管向外径向分隔开，并且该第二喷嘴管的近端固定于法兰。
Tube strain is first fixed, and after killing hybrid fungi, cooling, cutting strain volva, the strain is transplanted to new culture medium before a cotton cover is plugged.
其转接方法是：先固定试管菌种，经杀灭杂菌并冷却，划割菌种托(钩)菌块后转接新培养基，插盖棉塞。
In the Cell-CT microscope, each cell is embedded in a special gel inside a glass tube that rotates in front of a fixed camera that takes many pictures per rotation.
Cell - CT显微镜中，单个细胞嵌入到一种特殊玻璃管的凝胶中，玻璃管在一个固定相机前旋转，每旋转一周可拍摄许多照片。
Adjusting the cold gas fraction can control the performance target of vortex tube with fixed other parameters, which offers some referring data for practice applications of vortex tube.
在其它参数一定的情况下，可以通过调节冷气流分量来改变涡流管的性能指标。为涡流管的实际应用提供了一定的参考数据。
The improved roll chamfer cutter has fixed the chronic problem of occurrance of linear marks on the tube surface, and brought about good result and considerable economic benefit.
经对轧辊加工刀具倒角刀的改进，解决了长期困扰生产的钢管表面青线缺陷问题，取得了较好的实际效果和经济效益。
Rest of airframe welded steel tube, with pilot and fixed fin at rear and engine and fuel tank at front, resting on two pontoons of rubberized fabric.
其余机身焊接钢管，与飞行员，在后方，发动机和燃料箱固定鳍在前面，胶布的两个浮筒休息。
A sleeve is placed around the tube (12) and fixed to the tube (12).
套筒布置在管子(12)周围并固定至管子(12)。
If you have special requirements, test pressure exceeds 0.5mpa, the matching manufacture fixture is fixed on the heat exchanger tube plate, pushing pressing head test.
若有特殊要求试验压力超过0.5MPa时，可制做配套夹具固定在换热器管板上，推压枪头进行试验。
Adopt revolving locking mode, which can lock the tube more tightly, and make the tripod more fixed.
采用旋转锁紧方式，能让脚管锁的更紧，让脚架更加稳定。
Venturi tube is one of key equipments in process of purification and recovery of converter gas, which is used to drop temperature of converter gas with spraying jet fixed at throat of Venturi tube.
文氏管内部的流动与传热较为复杂，不仅涉及喷淋液滴与烟气在流动过程中的相互作用，而且涉及喷淋液滴遇到高温烟气发生相变进行的传热传质。
Key type air pressure shaft type paper tube fixed design is adopted in this machine.
本机采用键式气压轴式纸管固定设计。
The first built-in fitment in describing is hang fitment that can mount on a bathroom the old outlet pipe or tube angle to make fixed pole hanging.
所述的第一固定件为可勾挂 于浴室中原有出水管或角管上而使固定杆悬空的吊挂件。
The technical proposal of the utility model is as follows: the sputum suction tube (1) is fixed with an isolation mask (2) and is fixedly connected and communicated with a sputum suction mouth (3).
该实用新型的技术方案为：吸痰管（1） 上固定有隔离面罩（2），吸痰管（1）与吸痰嘴（3）固定连接相通。
Outside the place through rises the tube screw and the concretes ground is fixed, but reduces the engine bed equipment's crosswise vibration effectively.
外座通过涨管螺丝与混凝土地面固定，可有效减小机床设备的横向震动。
The invention provides a inject needle with safe loop which includes needle base and needle tube linking in one unit, needle tube protect loop for protect needle tube and fixed loop and protect loop.
本发明提供了一种带安全回套的注射针，它包括连成一体的针座与针管以及用于保护针管的针管保护套，还包括固定套筒和保护套筒。
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