clothing thermal insulation

Evaluation method for isolation ability of cement-formation interface;

固井二界面封隔能力评价方法研究

Sheath Isolation Evaluation in Gas Wells

天然气井水泥环封隔能力的测井评价

Multi-Polymer Material Cement System Properties Research Increasing Zonal Isolation Performance;

有助于改善层间封隔能力的聚合物多元水泥体系材料特性研究

MECHANICAL PROPERTY EXPERIMENT OF THERMAL HORIZONTAL WELL EXTERNAL PACKER ELEMENT MATERIAL AT HIGH TEMPERATURE

热采水平井管外封隔器封隔材料高温力学性能试验

multistring hydraulic-set packer

多管水力坐封封隔器

hydro-set permanent packer

永久式水力坐封封隔器

Reciprocating plunger seals have been substitute by mechanically or hydraulically actuated diaphragms in diaphragm pumps.

往复活塞密封被机械密封和液力隔膜泵所替代。

Seal and Anchor Performance Test Installment Research of Packer

封隔器的密封与锚定性能测试装置研究

insulated capacity

保温能力隔离舱容积

wireline packer setting

电缆操作封隔器坐封

packer setting control line

封隔器坐封液压控制管

hookwall compression-set packer

井壁式压缩座封封隔器

Apical sealing ability of root canals filled with nanosealer

纳米根管封闭剂根尖封闭能力的研究

c/s technical capability

封锁/监视技术能力

straddle packer

跨式双封隔器中的一个封隔器

Study on the Structure and Properties of the Seal Material with Low Compression Set and High Obstruction;

低压缩永久变形高阻隔密封材料的结构与性能研究

Study of Structural and Functional Changes of the Left Ventricule after Transcatheter Closure of Atrial Septal Defect Using Strain Rate Imaging;

房间隔缺损封堵术对左室结构和功能影响的超声应变率研究

Relation of brain natriuretic peptide level and left ventricular function after atrial septal defect closure

房间隔缺损封堵术后BNP水平变化与左室功能的关系

Influence of transcatheter closure for atrial septal defects on heart remodeling and ventricular function in patients at different ages

不同年龄段房间隔缺损封堵对心脏重构及心功能的影响