In this paper the spiral velocity of eccentric annulus with inner pipe turned is analysed and computed.
本文分析计算了石油钻井工程偏心环空中内管转动的螺旋流动。
The preparation method comprises preparation of the inner pipe and connection of the inner pipe and the outer pipe.
本发明所述的制备方法包括内管的制备和内、外管连接。
To monitor the inner pipe leakage situation of the pipe jacket vessel in the process of pressurizing, find out the fountainhead in time.
为了监测管式夹套容器在加压过程中的内管泄漏情况，及时发现泄漏源。
The article presents a measurement method of intensity and position for LIA beams. By monitoring the image current on the inner pipe wall the beam intensity and position are obtained.
本文介绍了通过测量束流在输运管壁上形成的感应电流，来确定直线感应加速器束流大小、位置的一种方法。
The implanting device comprises canal head, inner pipe, close end controller, middle pipe, wire pipe, outer protection mechanism, at least one locking wire and at lest one bracket pulling wire.
输放装置包括导管头、内管、近端控制器、中管、导丝管、外保护机构、至少一根锁定丝和至少一根支架拉线。
The opening and the closing of the valve are controlled by the siphon action of the valve bodies and the siphon inner pipe, and therefore, the water level control of the water tank is realized.
通过阀体及虹吸内管的虹吸作用控制阀门的开启及关闭，从而实现水箱的水位控制。
The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.
立管内部核心是空心的(管中管)，留给钻柱使用。
First of all the most important point: if the gas pipeline inner fire, immediately closed all into the hole, radiation tube and sealing pipe, and in general to pipe of steam to extinguish fire.
首先最重要的一点：如果煤气管道内着火，应立即封闭所有入孔、放散管、采封管，并向管道内通大量蒸汽灭火。
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
Caliper board depends on the diameter of pipe diameter, and the need to consider the design of pipe diameter changes, general for the minimum 95% of the pipe inner diameter theory.
测径板的直径取决于所测管段的内径，并需考虑到该管段的变径设计，一般为所测管段最小理论内径的95%。
The inner stresses of the tubes and pipe arrangement stresses are the secondary cause, which accelerated the explosion procedure.
管子内压应力与管系应力加速了爆漏过程，是造成过热器管撕裂爆口的次要原因。
Since 2011 carbon and alloy steel seamless pipes for synthesis of carbon steel pipe and outer pipe project of Inner Mongolia Donghua Energy Co., Ltd.
2011年起供内蒙古东华能源有限责任公司合成碳钢管道和外管项目用合金管和碳钢管。
Inner compound metal pipe is used for the transmitting of liquid medium, it is not only prevent the harmful medium from corrosion of the pipe, but also save lots of metal material and reduce the cost.
内复合双金属复合管，用在流体输送中既有效的防止流体中有害介质对管道的腐蚀，又节约了大量的贵金属材料，从而降低了成本。
The causes of inner transversal crack of cold-draw heavy wall pipe of 45 steel were analyzed.
针对45钢冷拔厚壁管存在内表面横裂纹问题，分析了其产生的原因。
The imbalance in architectural inner system can be solved to set the double-pipe system with temperature-controlled valves.
建筑物内部系统竖向失调则可通过设置带散热器温控阀的双管系统来解决。
This paper takes advantage of the features of the inner surface image points in artillery pipe, and proposes an algorithm based on small number of feature points on inner surface of artillery pipe.
针对火炮身管内膛图像特点，提出一种特征点稀少的火炮身管内膛图像拼接算法。
By the use of inner blending pipe structure, it makes every physical parameter of the final product of polyolefin keep stability. And the qualities of product are secured.
通过采用内部掺混管结构，使聚烯烃物料的最终产品各项物性参数保持稳定，保证了产品质量。
With asbestos cement mortar pipe being used as inner liner, concrete is cast to form hollow slab.
以石棉水泥砂浆离心管作为内模衬管，浇筑混凝土后构成现浇混凝土空心板。
This article introduces inner compound metal pipe manufacturing technology of the cold forming method, heat extrusion method and centrifugal foundry method as well as welding method.
介绍了国内外主要开发应用的冷成型法、热挤压法、离心铸造法和焊接法等内复合双金属复合管制造技术。
It has proceeded the numerical simulation in the inner of rotation-starting pipe and considered the influence of turbulence effect.
在局部起旋管段内部进行数值模拟，考虑水流紊动效应的影响。
Calculation showed that when the heat flow is in steady state, temperature-increasing difference in inner, outer pipe walls bearable for partial corrosive pipeline represents a minimum value.
计算表明，当热流处于稳定状态时，局部腐蚀管道所能承受的内、外壁增温差为最小值。
Our results indicate that the ion dose on both the inner and outer surfaces and the end surface of the pipe changes with change of the auxiliary electrode radius.
计算机模拟结果显示了附加电极半径改变时，空心圆管内部、外部及端点表面处的离子注入剂量分布发生变化。
The heat transfer and flow pass condensation segment in the gravity heat pipe with inner screw thread were investigated.
分析了在重力热管内加内螺纹的方法，研究了重力热管的冷凝段的传热及流动状况。
There are many kinds of pipelines in real workpiece. The cylindricity error evaluation and inner surface display of pipe are significant for evaluating performance and service life.
工件中常包含各种各样的管道，对管道的圆柱度误差测量和内表面显示对评定工件的整体性能和使用寿命有着重要意义。
In addition, the method of affixing carbon fabric for the inner corners of specimens with steel pipe clamp is effective and reliable.
另外，在构件阴角部位粘贴碳纤维布采用钢管夹具夹持施加外力的技术方案可行，且具有较好效果。
This article introduces the characteristic, applied areas, technical index, construction points for attention and application of the antiseptic and waterproofing mortar used in pipe inner liner.
介绍了钢质管道内衬防腐防水改性砂浆的特点、适用范围、技术指标、施工及其注意事项和应用。
The frame and working principle of the detecting system used for inspecting cracks on the inner wall of small pipe is introduced.
介绍了一种新型管道检测摄像系统的结构和工作原理。
The results show that the aggregation of contaminant is the inner cause of Copper pipe crack, while the thermal stress formed during welding and winding deformation is another two important factors.
结果表明：夹杂物局部偏聚是铜管断裂的内在原因。焊接时产生的热应力及弯曲变形是铜管断裂的外部诱发因素。
It is widely used to make ventilation ducts for trains, anti-flammation cable tray, vessels, pipe and inner liners used under high temperature with anti-corrosion request.
产品广泛用于空调列车、高层建筑风道、阻然桥梁、耐高温耐腐蚀玻璃钢容器、管道内衬及阻然防腐海上钻井平台用玻璃钢格栅。
It is widely used to make ventilation ducts for trains, anti-flammation cable tray, vessels, pipe and inner liners used under high temperature with anti-corrosion request.
产品广泛用于空调列车、高层建筑风道、阻然桥梁、耐高温耐腐蚀玻璃钢容器、管道内衬及阻然防腐海上钻井平台用玻璃钢格栅。
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