1)DN-value叶轮DN值
1.Then,the DN-value derived from the stage velocity ratio was analyzed and selected.72可作为这两种叶轮结构形式选择时的分界点;叶轮DN值能直接反映出叶轮材料、结构形式、设计工况、叶轮尺寸以及轴承轴系等因素,这些因素直接关系向心透平能否实现微型化,因此叶轮DN值是一个高度集中的参数,在微型向心透平设计中可替代级速比。
2)DN valueDN值
英文短句/例句
1.Analysis and Optimal Selection of Stage Velocity Ratio and DN-Value for Micro Radial Turbine微型向心透平级速比与DN值的最优选择
2.The Foundational and Clinical Research Effection of PGE1 Reversed DN;PGE1逆转DN的基础及临床研究
3.The Examination of Urinary Micro-albumin for the Earlier Disgnosis of Diabetic Renal Disease;尿微量蛋白测定对于DN的早期诊断
4.Clinical Significance of Changes of Serum Expressions of Heptocyte Growth Factor (HGF) in Patients with Diabetic NephropathyDN患者血清HGF的表达及其临床意义
5.The Application of DN-6 Type Boiler Multifunctional Display-control InstrumentDN-6型锅炉多功能显控仪的应用
6.The Research of the association of the RAS Genes with the K-A type of DN and the Effect of XSW on DN;肾虚型DN及小四五汤疗效与RAS基因相关性研究
7.A Study on DN Company Maintenance Department Performance Management System Based on the KPIDN公司维修部基于KPI的绩效管理体系研究
8.Mobile Business Application on Sales Outlet Management in DN Beverages移动商务在DN饮料终端销售管理中的应用
9.Clinical Significance of Determination of Changes of Serum Visfatin and Adiponectin Levels in Patients with Type 2 Diabetic NephropathyDN患者血清内脂素和脂联素检测的临床意义
10.Blast Furnace Gas Pipes Pressure Plugging Technology高炉DN 1400煤气管道带压堵漏技术的应用
11.Curing Effect of Baicalin Bai on DN Rats at the Advanced Stage and Influence of Baicalin Bai on Kidney Micro-environment;黄芩苷对DN进展期大鼠的治疗作用及对肾脏微环境的影响
12.Influence to the Blood Serum TGF-β_1、the HGF of Tongluoyishenziyinfang on Diabetic Nephropathy in Rats;通络益肾滋阴方对DN大鼠血清TGF-β_1、HGF影响的实验研究
13.Investigation on Recombinant Adenovirus Mediated with DN-JNK1 Transgenic Prevention of Non Alcoholic Fatty Liver Disease in SD Rats and Its Mechanism重组腺病毒介导DN-JNK1预防SD大鼠非酒精性脂肪性肝病及机理研究
14.Effects of Tong-Luo-Yi-Shen-soup about Transforming Growth Factor-β1 of Renal Tissue in Diabetic Nephropathy Rats Rhinotypic Changes通络益肾汤对DN模型大鼠肾组织TGF-β_1表达影响的实验研究
15.Determination of the Levels of Serum Cystatin C,Serum Creatinine and Urine Microalbum in Patients with Type 2 Diabetic NephropathyCys C、Scr和尿微量白蛋白测定在DN患者中的临床应用
16.This is the important cause which explains why the macro-growth rate is greater than the micro-growth rate (the striation spacing) even in the relatively low growth-rate range of fatigue crack.这是导致它即使在相当低的宏观扩展速率范围内,dl/dN就大于S的重要原因。
17.The Experimental Study of Felodipine to the Expression of Bone Matrix Protein in Renal Small Artery of Streptozocin-induced Diabetic Nephropathy Rats;DN大鼠肾内小动脉早期骨基质蛋白的表达及非洛地平对其作用的实验研究
18.Effect of Renal Tubular Epithelial-myofibroblast Transdifferentiation on DN and the Influence of Rhein Intervention;肾小管上皮细胞转分化在DN发病中的作用及大黄酸对其影响的研究
相关短句/例句
DN valueDN值
3)high DN value高DN值
4)DN value trend-faceDN值趋势面
5)impeller[英][im'pel?][美][?m'p?l?]叶轮
1.Tool-path planning for rough machining of impeller in 5-axis machine tools;五坐标加工整体叶轮粗加工刀位规划
2.Reverse engineering design of submersible mixer's impeller based on Surfacer and Pro/Engineer;基于Sufacer和Pro/E的潜水搅拌器叶轮反求设计研究
3.Inspecting defects inside impeller of electric submersible pump by fluid pressure loss measurement method;流体压力损失法检测电潜泵叶轮缺陷的研究
6)blade[英][ble?d][美][bled]叶轮
1.The Experimental Study of Power Characteristic on Blades of Minitype Concentrated Wind Energy Turbine;小型浓缩风能型风力发电机叶轮功率特性的试验研究
2.Pressurized water is usually used to clear dust deposits on the blades of steel-making plant fans.对目前广泛采用的炼钢厂一次烟气引风机叶轮冲水清灰效果不佳的原因进行了分析,提出采用压缩气体清灰的思路,并计算了供气压力。
延伸阅读
叶轮分子式：CAS号：性质：又称工作轮。离心式压缩机中惟一对气流作功的元件。转子上的最主要部件。一般由轮盘、轮盖和叶片等零件组成。气体在叶轮叶片的作用下，随叶轮作高速旋转，气体受旋转离心力的作用，以及在叶轮里的扩压流动，使它通过叶轮后的压力得到提高。对叶轮的要求是：(1)能给出较大的能量头；(2)气体流过叶轮的损失要小，即气体流经叶轮的效率要高；(3)气体流出叶轮时各参数合宜，使气体流过后面固定元件时的流动损失较小；(4)叶轮型式能使级或整机性能曲线的稳定工况区及高效区范围较宽。常分为闭式、半开式和开式叶轮。
