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- Check valves are mechanical valves that permit gases and liquids to flow in only one direction, prev... 发布者：周燕所在地：浙江温州市行业：机械及行业设备职位：外销员工作年限：应届毕业生
- Tricuspid valve reoperation was required in 4 patients, whose mechanical valves were failure due to prostheses thrombosis or tissue ingrowth. 4例由于血栓或内膜组织长入人工瓣口导致机械瓣功能障碍，需要二次手术(均为单叶瓣)。
- Methods From July 2003 to April 2006,113 patients were accepted mechanical valve implantation. 方法从2003年7月至2006年4月,对113例因瓣膜疾病行人工瓣膜置换的患者进行了回顾性的临床研究。
- Implanted in the position of aortic valve,DAV can serve as either a n assistant pump or a mechanical valve subjected to the power input. 将一螺旋浆式叶轮植入到主动脉瓣位置主动旋转，在输入不同功率的条件下分别发挥机械性瓣膜或辅助性血泵两种不同的功能。
- Background: The choice of a bioprosthetic vs a mechanical valve in tricuspid valve replacement (TVR) continues to be debated. 背景：三尖瓣置换术(TVR)应采用生物瓣膜抑或机械瓣膜的问题尚有争议。
- Outpatient Instruction for Patients Altering Mechanical Valves 机械瓣置换患者的出院指导
- Tyer CE,Jamjeaon WR,Munro AI,et,al.Reoperation in biologyical and Mechanical valve populations :fate of the reoperative patient[J].Ann Thorac Surg,1995 ;60(2 suppl) :s 464 -469. 石应康;田子朴;黄旭中;等.;生物心瓣膜毁损的再手术治疗[J]
- That oyster closed up its valves. 那个牡蛎把壳合拢起来。
- Objective To discuss the clinical feasibility of low standard oral anticoagulation therapy for the Chinese people,who comefrom,south with implanted mechanical valve. 目的探讨中国人(南方)机械瓣置换术后低标准口服抗凝药物治疗的可行性及其意义。
- Background: We reviewed the patients who un der went tricuspid valve replacement (TVR) to compare the long-term clinical results of bioprosthetic valve with mechanical valve in tricuspid position. 背景：对接受过三尖瓣置换术(TVR)的患者进行回顾，比较生物瓣膜和机械瓣膜的远期临床效果。
- Having a shell consisting of two hinged valves. 双瓣壳的有由两个开合的瓣组成贝壳的
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- The move water have mechanical energy. 流动的水拥有机械能。
- Blinking is a mechanical action of the eyelids. 眨眼是眼睑的无意识动作。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- In a strict, step-by-step or mechanical way. 机械地以严格的，一步一步的或机械的方式
- Cars began using caps that incorporated two valves. 汽车开始使用装有两个阀门的油箱盖。
- Fill kill and choke valves with seawater. 将压井阀和阻流阀注满海水。
- A rod moved by a cam to operate the valves in an internal-combustion engine. 阀门挺杆通过凸轮转动的杆，用来操纵内燃机的阀门
