Dr Fink's fibre consists of a hollow rod of an insulating polycarbonate material with a 30-micrometre ring of a piezoelectric polymer running along its length.
芬克博士研发出的这种纤维由一种由绝缘聚碳酸酯材料制成的空心杆组成，空心杆的内部有一种30微米的压电聚合物材料制成的环。
Active water or light oil is sent downhole through hollow rod to reduce oil flow resistance, thus producing heavy oil from deep formation through screw pump.
利用空心杆向井筒内掺入活性水或稀油，降低油流阻力，实现应用螺杆泵开采深层稠油。
In accordance with downhole tubing sticking by sand burial accident, this paper proposes hollow rod sand washing after analysis of downhole string structure and hydraulic calculation of sand grain.
针对处理井下油管砂埋遇卡事故作业中出现的技术问题，在分析井下管柱结构及砂粒的水力计算的基础上，提出了空心抽油杆冲砂工艺处理措施。
This paper compares the property of the hollow rod with that of the solid rod, and conducts case calculation.
将空心抽油杆与实心抽油杆进行了性能对比和实例计算，由此分析出空心抽油杆在螺杆系井中应用的优越性。
This technique eliminates the tube in conventional mechanical lifting, takes hollow rod as the transmission medium and oil flow channel and discharges fluid during down stroke.
该项工艺省去原机械举升中的油管，利用空心杆作为传动介质和油流通道，下冲程挤压排液。
A hollow metal rod with a heavy rubber tip or tips that is wielded and twirled by a drum major or drum majorette.
鼓手挥舞使用的，顶端是厚橡皮的中空的金属棒。
The results of the design and the field present that mixing light oil of hollow rod is a lifting technology suitable for cold…
设计结果及现场生产分析结果表明，空心杆掺稀油是一种适合于深层稠油冷采的举升方式。
Bramah key (at bottom of Figure 3) is basically a hollow rod with seven notches cut in the end that mate with corresponding sliders in the lock.
布拉默的钥匙(插图3下方)总体来说是一根末端开有和锁芯滑块相对应的7个缺口的空心管子。
Abstract : To address the issue of "gas lock" caused by CO2 gas-channeling in gas injection wells, the forced pull rod type hollow gas prevention pump for CO2 flooding has been developed.
摘要 ：针对注气井CO2气窜而造成生产井气油比上升，常规管式泵游动阀打不开而导致的“气锁”问题，研制了CO2驱中空强制拉杆式防气泵。
The sanitary clearer has the advantage that only the original solid draw rod needs to be substituted by the hollow pipe, and the purpose of water saving can be achieved.
只需将原有的实心拉杆用空心管替代就可达到节水目的。
When in fabrication, any two or more different types of material of the rod-shaped, stem-shaped, hollow or fibrous material of crops or forestry plants are adopted for mixing.
制作时，采用农作物或林业植物的杆状、茎状、空腹状、或纤维状材料中的任意二种或二种以上不同材料混合。
The invention relates to an improvement method of a core rod of a metal rolled tube, in particular to a hollow core rod used for a planetary rolling mill.
本发明涉及一种金属轧制管的芯棒改进方法，具体地说是一种行星轧机用空芯棒。
The hollow sliding cylindrical body, the air pipe, the hollow sliding block, and the hollow push rod are connected into integration.
中空滑动柱体、气管、中空滑动块和中空推杆连成整体。
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.
内置式浮动销杆又由硬体滑杆和软体滑杆组成，浮动销杆只能在空心的握柄、弯力弹簧和空心的竿身套管内移动。
Core HD196A, recovered from the seafloor of the northeastern South China sea, has large amount of pyrites. The morphologies of pyrites are as the form of rod with hollow or not.
南海东北部的HD196 A岩心中发现大量条状的自生黄铁矿，以中空或实心为主。
The utility model comprises a support frame provided with a base, a hollow field rod fixed integrative with the support frame through a fixed bolt capable of passing through one end mounting hole;
本实用新型的构成包括：设置有底座的支撑架、通过可径向穿过其一端安装孔 的固定栓与所述的支撑架固定为一体的空心标杆；
The utility model comprises a support frame provided with a base, a hollow field rod fixed integrative with the support frame through a fixed bolt capable of passing through one end mounting hole;
本实用新型的构成包括：设置有底座的支撑架、通过可径向穿过其一端安装孔 的固定栓与所述的支撑架固定为一体的空心标杆；
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