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- Development and Application of KZ Single Rotary and Double Tube Core Barrel KZ型单动双管取心钻具的研制与应用
- double tube core barrel 复式岩心管
- Tube core material and size 3.6 The standard no. And year no. 管芯材料及规格;3.;6本标准编号及年代号;
- Observations confirm the merits of triple tube technique on heave control and validate the theoretical failure mechanism. 观测结果除确认三重管工法具有控制隆起优点外，并验证理论破模式之适用性。
- After having completed the model analysis of the pressurized water reactor (PWR) core barrel in an l:10 model, the dynamic characteristics are obtained. 在反应堆1:10模型上进行了堆芯吊篮结构的空气和静水中模态分析试验,获得动态特性。
- The application of two types of self designing and developing core barrel in tertiary sandstone containing shingle and conglomerate of Songliao Basin was introduced. 介绍了自行设计加工的2种取心钻具在松辽盆地第三系含砾砂岩、砂砾岩层的应用情况。
- There are three proce dures in LED production, namely epitaxial wafer, tube core and encapsulation. 在LED生产过程中，主要有外延片生长、芯片和封装三个环节。
- Run in hole core barrel. 下取芯筒。
- Triple tube rigid type rotary corer 三重管双动回转取土器
- Raising the stability of outer core barrel is the main approach to extend the life of core bit and to raise core recovery and the footage of single core barrel. The outer core barrel with centralizer is an effective method to raise its stability. 提高外筒稳定性是延长取心钻头寿命、提高岩心收获率及单简进尺的最主要途径,而外筒加扶正器是提高其稳定性的有效方法。
- Triple tube swivel type rotary corer 三重管单动回转取土器
- The test and popularization results of the method of putting in stalk through pulling apart core by Using the long core barrel in Sichuan hard rocks are simply presented in this article. 本文简要介绍了拨断岩心接单根方法在四川硬地层长筒取心中的试验和推广效果。
- Core barrel blockage usually occurs in the unconsolidated and broken sand formation coring.If this is not detected in time then the core will be worn out easily, and the data will be lost. 在疏松及破碎砂岩地层取心时,经常会遇到的问题是堵心或卡心,若没有及时发现容易磨心,使资料丢失。
- For the purpose of meeting the slit strips specifical demand of arranging mode on the tube core,the AC servo control system is adopted to track at real time,and a special press roller device is . 为满足分切后的料带在料芯上的特定排列方式要求,采用交流伺服控制系统进行实时跟踪,并开发了实现实时跟踪技术的特殊压辊装置。
- Research of Core Barrel Blockage Alarm Device 堵心监视装置的研制
- There is process capacity for semiconductor LED in Tongling.So there is the basis for producing epi taxial wafers and tube cores. 我市已具备组装加工半导体发光二极管能力，可以考虑在此基础上引进技术和设备进行外延片和管芯的生产。
- Core barrel heads for core drills 岩心钻岩心管接头
- Core barrel with rubber container 橡胶套岩芯桶
- Core barrel with rubber core container 橡胶套岩心筒
- He received triple pay for his extra work. 他因超额工作得到三倍的报酬。
