In this paper,we made some theoretical analysis of effective length of radiant heat transfer based on the zone method of three dimensional radiant heat transfer problem in the furnace.
采用有效长度概念进行区域法辐射换热数值计算时 ,可以使计算工作量大大减少 ,也可以为快速计算提供理论方面的依据 。
Based on the systematic optimisation, a new method for determiningstorage siding number and effective length of herringbone tracks isobtained.
本文阐述在主调车场内设置箭翎线时，分段存车线数量及有效长度计算，以系统优化为基础提出新的方法和结论建议，使箭翎线设计更为合理有效。
The stress field,saturated stress,stress transfer efficiency and effective length in carbon nanotubes(CNTs) reinforced polymer composites were analyzed based on the three-phase concentric cylindrical shell model along with shear-lag arguments.
采用三相同轴柱壳剪切滞后模型,分析含有界面层的碳纳米管复合材料中的应力场、饱和应力和应力传递效率以及碳纳米管的有效长度。
Based on the correlation analyses of such petrophysical properties as density,magnetic susceptibility,remnant magnetization,electrical resistivity,and chargeability for 3 000 samples from Hebei Province,the authors carried out a study on effective combinations of geophysical methods and found that geological survey with specific aim needs specific combination of geophysical methods.
对河北省近 30 0 0件样品的多种岩石物性参数进行了相关分析 ,以此探讨物探方法的有效组合问题。
From a new angle, this article studies inter-relations,rules of variation,algorithm and new expressing method of combination proportion, variance and ratio of profit cf the effective combination,mean and variance.
本文能过函数分析法及空间图形等,从新的角度研究了均值——方差有效组合的组合比例、方差、收率之间的相互关系、变化规律、算法及新的表示方法。
The sufficient and necessary condition for existing efficient portfolio is obtained,and also the analytic solutions of efficient portfolio and efficient frontier is derived,which generalize successfully the classic Markowitz model and are helpful to investigate portfolio efficient subset further.
利用广义逆矩阵研究了协方差阵奇异时的投资组合问题,突破了传统方法中要求协方差阵可逆的限制,得到了证券市场存在有效组合的充要条件,并给出了有效前沿和有效组合的解析解,成功地推广了经典Markowitz模型,同时还将有助于证券组合有效子集的深入研究。
At the present there exist three methods accepted to do the portfolio management, which are fundamental analysis, technological analysis and the modern portfolio analysis, we used the three different ways together in this dissertation to do the efficient portfolio management.
第四、在投资组合管理上，针对我国证券市场存在的最小交易量的问题，建立了具有投资下界限制的风险证券有效组合决策模型，给出了不相关风险证券有效组合投资比例的算法及解析表示。
effective length of locating face
周向定位面有效长度
active length of armature winding
电枢绕组导线的有效长度
Calculating Methods of Semi-rigid Steel Frame′s Effective Length Coefficient
半刚性钢框架柱有效长度系数的计算方法
Talking of Pressure and Effective Length for Cutter of EBH-132 Tunnel Roadheader
EBH-132型掘进机接地比压及有效长度探讨
Effective Length of an Equivalent T-Stub for High-Strength Bolted Connections in EC3 and Study on the Resistance
欧洲规范EC3高强螺栓等效T形件的有效长度及承载力研究
Paper length is not within the valid Length Range.
纸张长度不在有效的长度范围内。
Determining method of effective calculation distance was given.
建立了管道有效计算长度的确定方法。
The new tax effectively cancels out my raise.
新的征税制度有效的删除了我的增长。
Analysis of Wuhu Changjiang River Bridge Deck’s Effective Width
芜湖长江大桥桥面板的有效宽度分析
Experimental Study on the Effective Bond Length Between BFRP Sheets and Concrete
BFRP与混凝土有效粘结长度的试验
Tracking effective length of channel impulse response in OFDM systems
OFDM系统中有效信道长度跟踪方案
Effective Ventilating Length of Tailrace Tunnel in Hydropower Stations
水电站无压尾水洞引风有效作用长度
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Researches on Soil Organic Carbon Density and Carbon Sequestration Effects in the Farmland of Yangtze Delta;
长三角农田土壤有机碳密度及碳收集效应研究
The Design of Performance Management Systems in Changchun Lantime Sealing Cl.,Ltd.;
长春蓝天密封技术有限公司绩效管理制度设计
Analysis of the Effect of Temperature in Ultra-long Frame Structure by Nonlinear Finite Element
超长框架结构非线性有限元温度效应分析