The effects of casing diameter on acoustic log in cased-borehole at free pipe situation are investigated with finite element method (FEM).
用有限元方法研究了自由套管井中不同直径的套管对声波测井的影响。
In the planning and design of gravity water transfer system, the combined pattern of pressure free pipe and canal with pressured pipe line is sometimes adopted to carry out water transfer.
在重力输水系统的规划设计中，有时采用无压管渠与压力管道相结合的方式输水。
A free flow of water came from the pipe.
水从管道里通畅地流了出来。
In this article, a calculation method is put forward for free vibration frequency of a pipe which contains flow fluid.
本文提出了对包含有流动流体的管道自由振动频率的一个计算方法。
This paper proposes a theoretical method for calculating the flow within a circular pipe which is not filled up with fluid and thus has a partially free surface.
本文对未充满液体具有部分自由液面的圆管内的流动提出一种理论计算方法。
Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.
管子应通体均匀，无裂纹、无孔眼或杂质，还应无气泡、凹痕、波痕、拉模划痕和热痕。
Heat transfer in turbulent free swirl flow produced by a new developed swirl generator in the inlet region of a smooth pipe has been studied.
研究由一种新的旋流发生装置所形成的自由旋流在光滑管入口段的传热情况。
Using the dynamic Finite Element Method, the dynamic soil pressure distribution along the pipe periphery and the free vibration characteristics of the pipe are studied in this paper.
本文通过动力有限单元法对管周围土压力的动力作用分布和管子的自振特性进行了某些探讨。
The characteristics of pipe radiator heating scale-free roller furnace and quenching machine were mainly introduced.
重点介绍了辐射管加热无氧化辊底式炉和辊式淬火机的特点。
In the beginning of this paper, the current status and achievements in the research field of Pelton turbine are introduced respectively by means of pipe flow, free jet and bucket flow.
本文在首先介绍了冲击式水轮机内部流动中管内流、自由射流以及水斗绕流等方面的研究现状和进展。
And also, the pipe is held by clear acrylic pole from all directions, and this makes the pipe free from gravity and float in this space.
吊架管由光亮的亚克力管组成，在店铺中四通八达伸展着，这种材料使管子能轻盈地漂浮在空间上方。
It is a question having research value and economy content to avoid free surface-pressure flow in the high-speed pressure flood discharge-pipe design.
在坡度较陡且为高速水流的有压泄洪管道设计中如何避免管道内明满流的出现，是一个极具有科学研究价值和经济意义的课题。
TEG residues with free water into the pipe to cause pipeline corrosion, which increased difficult of Pipeline Protection;
三甘醇残留物伴随游离态的水进入管道，引起输气管道腐蚀，增加了管线保护难度；
Our MX18/25 pipe-free wall mount swimming pool filter is produce by our France's factory.
我们的MX18/25 壁挂式泳池过滤设备就是在法国的厂房生产的。
The pipe dropped from the fingers of the Red-Handed, and he slept the sleep of the conscience-free and the weary.
赤手大盗的烟斗从手中滑到地上，他无忧无虑、精疲力尽地睡着了。
PP-R health drug-free high-tech products, household decoration is currently more widely used for a pipe.
PP-R 管是一种卫生无毒的高新技术产品，也是目前家庭装修中较普遍使用的一种给水管。
A terminal shall be so designed that it cannot be inadvertently pushed onto a pipe or fitting of the same nominal size in such a manner that the terminal outlet free area is restricted.
接线端应该设计到位才能保证不会无缘无故的被塞进管子内，或者，采用相同的公称尺寸，这样一种方式才能确保接线端自由出口处不会受到限制。
A halogen-free flame-retardant and anti-static polyethylene material, a pipe and a preparing method thereof belong to the processing field of plastic pipes.
无卤阻燃抗静电聚乙烯材料、管道及其制备方法，属于塑料管道加工领域。
The bottom of the electric casting tank is provided with an exhaust pipe which is besprinkled with tiny holes, and oil-free compressed air are put in the exhaust pipe to play stirring action.
在电铸槽底部设一布满微孔的排气管，并通入无油压缩空气起搅拌作用；
The structure of gas-water separator is reasonably designed to assure of effective separation of gas and water and free-flowing of vent pipe.
气水分离器结构设计合理，可保证气-水有效分离，保持排气管始终畅通。
The shear stress on smooth blasting of pipe protecting borehole wall between free face and protecting face reaches as high as 3.
进行了光面护壁爆破和切缝护壁爆破技术的动态光弹性试验，获得了光面护壁爆破和切缝护壁爆破过程的等差条纹图。
The shear stress on smooth blasting of pipe protecting borehole wall between free face and protecting face reaches as high as 3.
进行了光面护壁爆破和切缝护壁爆破技术的动态光弹性试验，获得了光面护壁爆破和切缝护壁爆破过程的等差条纹图。
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