流量的福劳德数是流动状态的影响因素,即超临界流或亚临界流。
The Froude number of flow is the factor of flow status: supercritical flow or subcritical flow.
在亚临界范围内,对余热锅炉的蒸汽参数进行了优化;
Optimizing the steam parameters of HRSG under subcritical condition can increase the efficiency to F technology combine cycle.
亚临界裂纹扩展是岩体工程破坏时间效应的原因之一。
Subcritical crack growth is one of the main causes of time-induced failure in rock engineering.
本文详细介绍了300mw亚临界压力自然循环燃煤锅炉。
The 300mw subcritical pressure natural circulation boiler fired coal is described in detail.
本文从细观力学角度研究了高脆性材料亚临界裂纹扩展机制。
The subcritical crack growth mechanism in brittle materials is studied from the viewpoint of mesomechanics.
利用裂隙的亚临界扩展理论对底板滞后突水现象进行了分析。
The phenomenon of the lagging water bursting is explained applying crevice inferior critical spreading .
研究了高铬白口铸铁亚临界热处理后耐磨性和显微组织的关系。
The results show that the wear resistance is improved due to austenite transforming into martensite after sub-critical heat treatment.
建立了黄芩药材中黄芩苷的亚临界水提取高效液相色谱测定方法。
A method for the extraction of baicalin from Radix Scutellariae with subcritical water coupled to high performance liquid chromatographic analysis was established.
本文给出了关于亚临界雷诺数二维圆柱绕流动态特性的实验结果。
The experimental study of the dynamic characteristics of flow past a two-dimensional circular cylinder is described.
在水压场模型的建立过程中,采用了回转体模型和浅水亚临界模型。
During the modeling of hydrodynamic field, the rotational body and subcritical velocity models are utilized.
本文给出了舰船以亚临界航速偏离航道中心运动时水压场的计算方法。
In this paper a calculation method of hydrodynamic pressure field on a ship operating off the centerline of a channel at a subcritical speed is presented.
随着机组容量的增大,对亚临界锅炉汽包水位控制提出了更高的要求。
With the increasing of unit capacity, higher requirements were proposed to control the circulation boiler drum level.
本文阐述了在亚临界机组中汽包水位的测量方法及控制设备应用的几点见解。
This paper elaborates some opinions about steam drum water lever measuring technique and application of control device in sub-critical units.
详细介绍了山西大唐运城发电厂亚临界机组高压给水管道设计及布置的特点。
This paper introduces the features of the design and distribution of high pressure water supply pipeline in sub-critical units of Datang Yuncheng Power Plant in Shanxi province.
介绍了亚临界锅炉报警温度的计算方法,并对报警温度的修正方法进行了分析。
This paper introduces the calculation method for alarm temperature of subcritical boiler, and analysis has been made for adjustment of alarm temperature as well.
结果表明:混凝土断裂是一个复杂的不规则过程,存在明显的亚临界扩展现象。
It is shown that the fracture of concrete behaved complicatedly and irregularly, which underwent explicitly a subcritical crack growth prior to the unstable crack propagation.
采用双扭试件常位移松弛法,对金川软弱复杂矿岩进行亚临界裂纹扩展试验研究。
The constant-displacement-relax method of double torsion specimens was applied to(study) subcritical crack growth of flabby and intricate ore in Jinchuan mine.
将亚临界水萃取技术应用于农药残留的提取,并与其它几种预处理技术进行了比较。
Subcritical water extraction was used to extract pesticide residues, and compared with other pretreatment methods.
在试验研究的基础上,讨论了亚临界压力单面受热垂直管内汽水混合物传热恶化的特点。
Based on Experimental investigations, the DNB characteristics of steam-water mixtures in one-side heated vertical tubes under subcritical pressure are discussed.
为了满足调峰需求,要求该类机组能在从超临界压力到亚临界压力范围内安全经济运行。
In order to meet adjustment of load, this type of unit have to be within the safe and economic operation from the super-critical pressure to sub-critical pressure.
亚临界压力的汽包锅炉在启动调试时应进行水位标定试验,以确定就地水位表的基准零位。
Water line demarcation test should be carried out when starting up and adjusting the subcritical drum boiler, to certify the zero benchmark of the local water gauge.
但是,声发射信号的起始点并不是主裂纹起裂点,失稳前阶段也不能与亚临界扩展阶段等同。
But the beginning of the acoustic emission sign is not the cracking point of main crack, and the preinstability stage may not be equal to the subcritical growth stage.
在陡河电厂的亚临界参数锅炉上已采用了碱处理洗硅与钝化工艺,并取得了良好的经济效果。
The cleaning process has been applied on a subcritical pressure boiler in Douhe power plant with satisfied economical results.
实验中观察到部分回火和完全回火现象,而完全回火过程具有带迟滞效应的亚临界分叉特性。
It is observed that partial flashback and full flashback are both occurring, and the full flashback process demonstrated sub-critical bifurcation characteristics with retardation effect.
本文通过裂隙亚临界扩展的分析,提出一个计算低、中等应力率下裂隙断裂起动应力的新公式。
In this paper, through analyzing the subcritical crack growth, a new formula is presented which can be used to calculate the crack fracture initiation stress at low and middle stress rates.
运用亚临界流体萃取法,以丙烷为溶剂,在一个自制的1L实验装置内分离蛋黄粉中的蛋黄油。
Sub-Critical extraction with propane was applied to separate triglyceride and cholesterol from egg yolk powder by a self-designed instrument of 1L capacity.
计算表明,2 750TEU集装箱船的局部振动性能良好,满足亚临界动态设计的设计衡准。
The results indicate that the local vibration characteristics of 2 750 TEU container vessel are satisfactory and meet the requirements of sub-critical dynamic design criteria.
根据试验结果,得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.
根据试验结果,得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively. Du...
针对国产600MW亚临界机组锅炉末级过热器采用焊接性能较差的SA 213-T91钢材。
SA213-T91 steel with inferior welding performance is used on end superheater of domestic-made 600MW subcritical boil- er.
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