As a completion accessory, a circulation valve is included to circulate fluid for well kill or kickoff.
作业完井的一个辅助工具，循环阀用于在压井或启动时循环流体。
International Circulation: it seems with the percutaneous valve replacement its... is that something that is being discussed here at ACC?
国际循环：经皮瓣膜置换，这也是此次ACC讨论的话题么？
Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.
流道孔径与阀门公称通经，基本相同的为全通径式；流通孔径比阀门公称通经小的称为缩径式。
Objective To investigate the effects of preconditioning and postconditioning with Shenfu Injection (SFI) on cognitive function in patients after valve replacement under extra-corporeal circulation.
目的观察参附注射液(SFI)预处理及后处理对体外循环心脏瓣膜置换术后患者认知功能的影响。
The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.
型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；
An internal circulation loop of heating tank composed of three-function valve and jet tube is added in original pump arrangement.
本发明是在原有的泵油装置中，增加一套由三能阀及喷管等组成的加热罐内部循环回路。
The model contains left ventricle(LV), left atrium, systemic circulation, aortic valve and mitral valve; it simulated the hemodynamics phenomena of left heart circulation.
模型包括左心房、左心室、二尖瓣、动脉瓣和动脉系统，实现了对左心循环系统的血流动力学模拟。
Objective To explore the clinical management effect of anaesthesia and extracorporeal circulation in valve replacement of heart aorta.
目的探讨主动脉瓣膜置换术的麻醉及体外循环管理效果。
The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.
冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀组成冷媒水闭路循环系统提供冷源。
The more pressure or head is, more bigger the CV value of check valve is, secondly, more bigger the CV value of exhaust valve is, the more faster the pace of completion of side circulation will be.
压力或压头越高，入口逆止阀的CV值越大，其次是排气阀的CV值越大，则循环的充液阶段完成的越快。
OBJECTIVE To evaluate the effects of beating heart mitral valve replacement (MVR) with mild hypothermia extracorporeal circulation (ECC) on immune functions.
目的探讨浅低温体外循环心脏跳动中二尖瓣置换术(MVR)对机体免疫功能的影响。
OBJECTIVE To evaluate the effects of beating heart mitral valve replacement (MVR) with mild hypothermia extracorporeal circulation (ECC) on immune functions.
目的探讨浅低温体外循环心脏跳动中二尖瓣置换术(MVR)对机体免疫功能的影响。
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