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 段法
 zone method
 EXPERIMENT OF MATHEMATICAL MODEL FOR INDUSTRIAL FURNACE AND SOME IMPROVEMENTS ON THE ZONE METHOD 工业炉数学模型实验及段法的改进 短句来源 MATHEMATICAL MODEL FOR THERMAL PROCESS PREDICTION OF FLAME FURNACE BY MEANS OF ZONE METHOD 火焰炉段法预示计算数学模型 短句来源 ANALYSIS OF HEAT TRANSFER MECHANISM FOR HIGH RADIATION COATING USING ZONE METHOD 用段法分析高辐射率涂料强化传热的机理 短句来源 In order to eliminate the shortcomings of onerousness of calculation and of too many memory spaces needed in the practical calculation of establishing the heat transfer mathematical model of flame furnace by the zone method, "furnace section imaginary area" zone method has been developed in this paper. 本文针对区域法(或称“段法”)在建立火焰炉热交换数学模型的实际计算中存在计算层次太多、占计算机内存太大的缺点,提出了“炉段假想面”区域法。 短句来源 Furthermore a“main variable correction method”for solution of the energy balance cqua-tions and a combined model of the zone method with finite difference techniques are developed. 在发现段能量平衡方程组具有“主变量性”的基础上开发了“主变量修正法”,保证了求解收敛、简化且精度足够; 研究了段法与偏微分方程数值解相结合的模型,使模型包括了流场、对流传热和辐射传热。 短句来源 更多
 segment method
 Finite Segment Method for Analysis of Shear Lag Effect in Plate and Truss Composite Girder 板桁结合梁剪滞效应分析的有限段法 短句来源 Finite segment method for calculating continuous curved girder bridges 计算连续曲线梁桥的有限段法 短句来源 Application of Finite Segment Method to Dynamic Analysis of Antiaircraft Gun Launch 有限段法在高炮发射多体系统动力学分析中的应用 短句来源 Finite segment method for static analysis of cntinuous curved box girder 多跨连续曲线梁桥静力分析的有限段法 短句来源 Information segment method was used to estimate the numbers of female flowers and pinecones of a whole Pinus tabulaeformis tree in dense forest stands. It was concluded that 1 /3CH can be used as the optimum segment to estimate the numbers of female flowers and pinecones of a whole tree in spring; 用信息段法估测油松较密林分整株的雌花数和球果数 ,结果得出 :1 / 3CH可做为整株雌花数和春季当年球果数估测的最佳信息段 ; 短句来源 更多
 zonal method
 Single zonal method for diesel in-cylinder radiation heat transfer 段法模型在柴油机缸内辐射传热的应用 短句来源 Zonal Method Used for Non-gray Gases Radiation within Gray Enclosure 灰体空间内非灰气体辐射的段法模型 短句来源 Based on the principle of radiative heat exchange. a uniform discrete emission method is developed toevaluate the rediative direct exchange areas. Combining the advantages of improved emission method with zonal method,the method can be used show the computational process of direct exchange areas in 2- dimensional system withparticipating media. 基于辐射换热的基本原理，首次提出了用均匀离散射线法计算辐射直接交换面积．用改进的离散发射法结合段法的优点，给出了二维系统中有参与介质条件下直接交换面积的计算过程．该方法简便、准确且省时． 短句来源 Results show that the zonal method combined with the conjugate gradient method can solve the equivalent gray absorption coefficient well in the non-gray gases system. 数值模拟结果表明,段法与共轭梯度法结合可以较好地反演非灰系统的当量灰吸收系数. 短句来源
 section method
 Infinitesimal section method for design of compound rod string in surface drive single screw pump wells 地面驱动单螺杆泵组合杆柱设计的微元段法 短句来源 A prediction method—Two Section Method,suitable for prediction of reservoir bank caving in the gorge of mountain area in the south of China,and its application conditions,determination of parameters and operating steps are presented on the basis of observation of the bank slope caving of the Shuikou reservoir on Waiyang-Fuzhou railway line. 通过外福铁路线水口水库库岸的坍岸观测研究 ,提出适合我国南方山区峡谷型水库坍岸的预测方法———“两段法”及其适用范围 ,给出各参数的确定方法及操作步骤。 短句来源 The results of the application examples show that the AGA is much more convenient in use high precision in result and wide range of validity. It is a new strong tool for widely applying the three section method to engineering project of practical earth dams. 实例的计算结果说明 ,AGA计算简便 ,求解精度高 ,通用性强 ,为三段法在实际土坝工程设计中的广泛应用提供了新的有力工具 短句来源 According to the operation characteristics of surface drive single screw pumps, in consideration of the influence of variation of fluid viscosity with temperature and the effect of variation of hole angle on the calculation of the force on rod string, an infinitesimal section method is presented for the design of the compound rod string of screw pump wells. 根据地面驱动单螺杆泵工作特点 ,考虑井筒不同深度处流体粘度随温度变化以及井斜角变化对杆柱受力计算的影响 ,提出了螺杆泵采油井组合杆柱设计的微元段法 ,这种方法适合于任意下泵深度。 短句来源

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 zone method
 The Impact of Variable Accelerations on Crystal Growth onboard Spacecraft by the Floating Zone Method The problems of growth of new promising laser crystals Cr4+: LiGaSiO4 by the crucible-free floating-zone method with optical heating are considered. n-Si crystals grown by the float-zone method with a phosphorus concentration of ～6×1013 cm-3 and irradiated with 2-MeV electrons and 25-MeV protons were studied. Formation of donor centers in the course of annealing of layers of single-crystal silicon FZ-Si (grown by the float-zone method) and Cz-Si (grown by the Czochralski method) implanted with Er+ and O+ ions was simulated. The sheath flow-type electrical sensing zone method and the revised sedimentation balance method were used for the measurement. 更多
 segment method
 Analysis of dynamical buckling and post buckling for beams by finite segment method Then, we describe special rendering techniques including the multi-thickness anti-aliasing linked-segment method and the crack mirror special effect. intraradices, and with the root segment method of inoculation with G. In addition, we have made simultaneous alignments of sets of four and five sequences with this selected-segment method. Left ventricular (LV) transgastric short and longaxis views were divided according to a modified 16-segment method. 更多
 zonal method
 The transient coupled radiative and conductive heat transfer in a semitransparent composite under the complex boundary conditions is investigated by the ray tracing method in combination with Hottel's zonal method and the control-volume method. A new zonal method of analyzing and calculating the radiation of heat The principles of a new zonal method are shown by which various characteristics of heat radiation can be determined, in an extension of the problem to systems with an absorbing and dispersing medium. The generalized zonal method is used to find the energy radiated by a perforated cylinder. Various models of the heat-exchange process in metallurgical furnaces are considered: old methods of calculation, the zonal method, and mathematical models of radient and complex heat exchange in plane and cylindrical channels. 更多
 section method
 Further we investigate under which conditions one can replace the discrete model of the finite section method by the periodic discrete model, which is used in many numerical procedures. The pit aspiration ratio was determined by a semithin section method. The amplitude coefficients of the modes propagating in a deformed waveguide are calculated with the help of the cross-section method. The pit aspiration ratio was, determined by semithin section method. It is the first trial to use the systematic section method to conduct Pb isotope chemical exploration. 更多
其他
 ~~ 本文是基于巴甫洛夫斯基院士土损渗透計算“三段”法和米哈依洛夫工程师的改进意見而提出的、本文的主要內容是求解傾斜不透水基础上单种土质损的渗透流量和浸潤线的位置。同时通过例题对理论与試驗进行了比較和验证。 A graphic method is proposed to facilitate the choice of parame- ters of procedures for Rn daughter potential energy monitoring.In the x,y plane for concentration ratios,where x=B/A y=C/A with A,Band C activity concentrations of the Rn daughters,the loci for potontialenergy E=0 and total counts Nτ=0 appear as two straight lines,and forany straight line passing through their point of intersection P,the ratioE/Nτ remains constant.So two lines from P touching the boundary of theregion of all possible values of... A graphic method is proposed to facilitate the choice of parame- ters of procedures for Rn daughter potential energy monitoring.In the x,y plane for concentration ratios,where x=B/A y=C/A with A,Band C activity concentrations of the Rn daughters,the loci for potontialenergy E=0 and total counts Nτ=0 appear as two straight lines,and forany straight line passing through their point of intersection P,the ratioE/Nτ remains constant.So two lines from P touching the boundary of theregion of all possible values of x and y will determine the range of valuesof that ratio;thereby the influences due to changes in various parametersare more easily visualized,and the optimization of parameters is reduced tothe selection of P for minimal angle of view of that region while keepingthe angle between E=0 and Nτ=0 small.With this method,the principleof the method of combining the results of two different procedures toeliminate the error of methods is explained,the instant method of Schiageris extended(1—4 min)and a fast method(8—9min)with two countingintervals is developed.Recalculated results for some commonly used fastprocedures and their optimized versions are also given. 本文提出了测量氡子体潜能的图解法。在表示平衡比的平面上,条件潜能为零是一根直线,而对给定的采样测量方案,条件计数为零亦为一根直线。通过此二线交点之任何一根直线均具有恒定的潜能-计数比值,所以由交点画出的、夹住所有可能平衡比范围的两根直线就给出了这比值的最大值与最小值,即夹角大小就大致反映了误差的大小。由此可以较直观地理解各种参数变化的影响,及参数的最优化,并且说明了用两种方法的测量结果来消除方法误差的原理。用上法处理了需时1—4分的“瞬间”潜能测量方案(方法误差<±20%)及需时8—9分的两段法方案(能给出 RaA 浓度,方法误差<±12%),并给出了一般快速测量程序的资料。 Shape coke used in metallurgy has been made made by using brown coal of Mengbin as raw material in two steps. It provides a new wayfor comprehensive utilization of brown coal. 以勐滨褐煤为原料,用两段法冷压成型,炼制出适用于冶金的型焦,为褐煤的综合利用提供一条新的途径。 << 更多相关文摘
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