vavle

Bussiness Industry : Solenoid Vavle , Expansion Valve , Service Valve , Ball Valve , Drain pump etc HVAC industry Component .

主营行业：空调，冰箱等制冷行业用的电磁阀，膨胀阀，球阀，截止阀，排水泵等。

Failure analysis for the drain pipe of by-pass vavle in power steam system

电站蒸汽系统旁排阀疏水接管断裂失效分析

Conclusions Result of vavle replacement surgical treatment is satisfactory .

结论心脏瓣膜病患者通过外科瓣膜置换治疗可以获得良好的效果。

Respiratory exercise in patients with heart double vavle replacement

心脏双瓣膜置换患者的呼吸运动训练

Relation of quantity of fuel injection and needle vavle lift , rotation speed and pressure is got .

测定喷油量与针阀升程、喷油时间、主轴转速、喷油压力的关系。（3）喷油量计算公式中修正系数K的确定。

But with the further strengthened structure or changed working condition of the engine , the vavle working environment becomes worse .

但是随着发动机结构得到进一步的强化、运行工况的改变等原因，使得发动机气门工作环境恶化，导致气门失效特别是排气门失效成为发动机日益显著的问题。

Parametrization design model of vavle rockerarm commonly used in small and medium sized engines was established in this paper .

建立了中小功率内燃机常用摇臂参数化设计模型。

If pipes leak , it is necessary to close the vavle in the shortest time to protect life and property security .

若管道发生泄漏则需要以最短的时间关闭阀门保障生命财产的安全。

Changes of the activities of erythrocyte membrane calcium pump , sodium pump and lipid peroxidation in rheumatic heart vavle disease patients

风心瓣膜病变患者红细胞膜钠、钙泵活性和脂质过氧化的变化

The result shows that adaptive control strategy in control vavle electro-hydraulic servo-driven system of CCPP is feasible and effective completely .

结果表明，针对钢厂循环发电工程中调节阀电液伺服控制系统应用自适应控制策略完全可行有效。

Using systematical cluster analysis , 31 species of compositae plant were divided into 4 classifications with 3 . 018 regarded as vavle value .

用系统聚类法，根据欧氏距离，以3.018为分类阀值，被分为4组。

Aortic vavle degenerative disease including 1 case with ascending aortic dissection aneurysm , 61 atrial fibrillation , 10 left atrium thrombus and 3 coronary heart disease .

主动脉瓣退行性病变7例，其中1例合并升主动脉夹层动脉瘤。全组合并房颤61例，左房血栓10例，冠心病3例。

Real water injection rate in water injection well will change when system pressure fluctuates or formation water absorption capacity changes . It is a disadvantage to needle vavle and downhole fixed water noddle .

注水井实际注水量随系统压力波动或地层吸水能力的变化而改变，这是针型阀或井下固定水嘴无法避免的缺陷。

Valve as a main element of vavle train mechanism of engine , it plays an important part to make sure that the engine can acquire enough economic performance , power performance , reliability and durability of an engine .

气门是发动机配气机构的主要组成部件，它也是确保发动机获得良好的经济性能、动力性能、可靠性以及耐久性的重要零件。

In order to avoid interference between the butterfly disc and the valve seat as well as the valve body , combining the torque , we obtained the feasible range about the rotation center of the tri-eccentric butterfly vavle .

考虑到蝶板启闭过程中避免与阀体及阀座发生干涉，结合蝶板的启闭扭矩，确立了三偏心蝶阀回转中心的适宜区域。

The specification and material of main equiments such as reactor , distillation colunm , flash drum , apparatus , pipe , vavle , pump and tank is confirmed . The operation manual is worked out and gain experience for industrial construction and operation .

确定了各主要设备、仪表、管道、阀门、泵和储罐等的规格和材料，同时编制了开停车操作手册，为工业装置的设计建造和运行积累经验。

In succession , we should test whether the rotation center of the tri-eccentric butterfly vavle was right , brought forward a method to test the seal fit interference , designed the program about the seal fit interference and gave the corresponding results which the program was run .

对于三偏心蝶阀回转中心的选择是否合适，本文提出了一个检查密封副干涉的方法，设计了相关的程序并进行了验证，给出了程序运行的部分结果。