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- Calculation method of economical tube diameter of fixed spray irrigation systems 固定式喷灌系统经济管径的计算方法
- economical tube diameter 经济管径
- TUBE DIAMETER SHALL BE WITHIN 10% OF NOMINAL DIAMETER WITHIN BEND RADIUS. 管直径须在直径理论值和折弯半径的10%25以内。
- The reactive tube diameter will affect the unit yield of multiwall carbon nanotubes and the quality. 反应管直径大小将影响多壁碳纳米管的单位产量并对多壁碳纳米管质量产生影响。
- Suggestion: according to the water cubage of aquarium( pool) and Max. flux if pump, and the size of tube diameter, cut the pagoda type hose joint to match if. 建议：宝塔式水管接头，可根据水族箱（）水容积及水泵最高流量，结合管径大小加以切除配套。
- The paper briefly narrates the approach for calculating the conveyingcapacity, tube diameter and belt width of the tubular belt conveyor. 简要地阐述管状带式输送机的输送能力、管径、带宽的计算方法。
- 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。
- Suggestion: according to the water cubage of aquarium(pool)and Max. Flux if pump, and the size of tube diameter, cut the pagoda type hose joint to match if. 建议:宝塔式水管接头,可根据水族箱(池)的水容积及水泵最高流量,结合管径大小加以切除配套。
- Suggestion:according to the water cubage of aquarium(pool)and Max.flux if pump,and the size of tube diameter,cut the pagoda type hose joint to match if. 建议：宝塔式水管接头，可根据水族箱（池）的水容积及水泵最高流量，结合管径大小加以切除配套。
- This article introduces the medi-cal vacuum system composition and air flow state,and explains design of medical vacuum pipelines and tube diameter measuring method. 介绍了医用真空系统的组成及气体的流动状态,阐述了医用真空管道设计及不同应用部位管径的测算方法。
- The precision of the ultrasonic flowmeter with small tube diameter and frequency difference method is affected by several factors,so to gain more accuracy is difficult. 小管径频差法超声波流量计的测量精度受各种因素的影响，因而获得较高精度比较困难。
- Abstract: The precision of the ultrasonic flowmeter with small tube diameter and frequency difference method is affected by several factors,so to gain more accuracy is difficult. 文摘:小管径频差法超声波流量计的测量精度受各种因素的影响，因而获得较高精度比较困难。
- Corrosion analysis of economizer tube is investigated by SEM and EDS, X-ray etc with the condition of boiler economizer. 摘要结合余热锅炉省煤器的工况条件，用扫描电镜及EDS、X射线等方法分析省煤器炉管腐蚀原因。
- The microstructure and component of the alloys were analyzed, the optimal parameters were optimized, when the tube diameter is 10mm, magnetic field intensity is 0.04T, and acting time is 30s, a very good separation effect can reach. 通过对实验合金组织和成分的分析，优化出最佳的工艺参数，当分离管径为10mm时，磁场强度0.;04T，作用时间30s时可以获得最佳的分离效果；
- The influences of reactive tube diameter,catalyst constitution,decomposition temperature and precursor gas volume flow on the yield and quality of multiwall carbon nanotubes are investigated. 根据实验结果,讨论了反应管直径、催化剂组分、反应温度及反应气体对多壁碳纳米管的产量和质量的影响。
- In this paper many factors affecting the precision of measurement with the ultrasonic flowmeter with small tube diameter and frequency difference method are analyzed mathematically. 本文对影响小管径频差法超声波流量计测量精度的多种因素进行数理分析。
- I have to buy a more economical stove. 我得买一个更节省燃料的火炉。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- She is economical in her use of salt when cooking. 她烹饪时用盐很少。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
