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- conical draft tube 锥形尾水管
- In order to measure the instantaneous particle flow in draft tube of spouted bed, PIV system was applied. 应用粒子图像测速仪(PIV)研究了喷动床导向管内粗颗粒物料的运动规律，测量了粗颗粒物料的瞬态流场及湍流度分布。
- The location of the tailrace surge tank is one of the main factors effecting minimum pressure in the draft tube. 摘要尾水调压室位置是影响尾水管最小压力值的主要因素之一。
- But it has some limitations of geometry structure, so scaling up the draft tube spouted bed is an urgent task. 但是导向管喷动床的几何结构也有一定的限制。
- The volumetric oxygen transfer coefficients and the fluid cir-culation rates in the draft tube are correlated based on the... 根据实验数据，建立了反应器中的氧传递和提升筒中流体流动的关联式。
- The correlation formula of gas holdup was obtained when the holes area ratio of draft tube was 16.4% and the hydrofoil impeller was upward. 并得到在开孔率为16.;4%25条件下，翼型轴流桨上提操作时的气含率关联式。
- Inside the draft tube,the liquid average velocity indicated approximately the distribution of tube flow,while within the annu... 该研究对于下喷环流反应器的放大与优化有重要指导意义。
- There are lots of testacean aquatics attached to the underwater concrete surfaces of the spiral casing and draft tube in Shaxikou hydropower station. 沙溪口水电站水下蜗壳及尾水管混凝土表面附着较多的贝壳类水生物,水下混凝土侵蚀严重,影响水工建筑物的安全运行。
- In an agitated reactor with hydrofoil impeller,effects of draft tube structure and solid content on power consumption and gas holdup were investigated. 在高径比为1.;0的搅拌反应器中;研究了导流筒结构及固体含量对翼型轴流桨功耗与气含率的影响。
- Methods 34 cases who need to intromit stomachic draft tube were randomly divided into two groups according to normal method and improved method. 方法对34例口腔颌面部肿瘤切除术后需插胃管的患儿按常规法和改进法随机分为两组。
- The height of the entrainment zone and the tube diameter has more distinct effects on the hydrodynamics of spouted bed with draft tube than the . 此外,导流管喷动床的流体动力特性受料床高度影响不大,但受导流管内径和夹带高度的影响显著。
- Abstract: The liner of turbine draft tube in Ankang Water Power Station was punched by cavitation,which leads to welding crack,metal shed and concrete delve,water spurting out.The cause of the damage is analyzed,the treatment is expounded. 文摘:论述了安康水电站水轮机尾水管里衬被汽蚀破坏穿透、焊缝开裂、撕裂掉块、混凝土掏空、大量喷水的事故原因及处理方法。
- The liner of turbine draft tube in Ankang Water Power Station was punched by cavitation,which leads to welding crack,metal shed and concrete delve,water spurting out.The cause of the damage is analyzed,the treatment is expounded. 论述了安康水电站水轮机尾水管里衬被汽蚀破坏穿透、焊缝开裂、撕裂掉块、混凝土掏空、大量喷水的事故原因及处理方法。
- Perform workshop inspection of equipments/components related to hydro power field, such as rotor, generator, distributor, guided valve, inlet valve, draft tube, embedded parts, etc. 实施水电设备与零部件相关的驻厂检验，例如水轮机，发电机，活动导叶，倒水机构，进水阀门，尾水管，预埋件等等。
- Objective To raise the attainment rate of intromitting stomachic draft tube of infant,to insure reach the aim of examination and treatment,to relieve discomfort and pain of infant patients. 目的提高婴幼儿插胃管的一次成功率,确保达到插管检查和治疗的目的,减轻患儿的不适与痛苦。方法将需插胃管的婴幼儿随机分为实验组和对照组,每组30例。
- A new multiflow model of a pressurized spout fluid bed with a draft tube has been developed to investigate the voidage and the velocities of particle and gas in spout and annular region. 采用双流体模型对增压导向式喷动流化床内喷动区和环形区气固运动速度和空隙率进行数值模拟。
- For conical shaped tube or micro vial. 锥型试管或小瓶的搅拌用。
- Now let's draft the contract and then sign it. 那么我们起草合同，然后签字。
- He emptied the glass at on draft. 他一口气喝完了那一大杯。
- L/c is payable against your draft. 信用证凭汇票付款。
