Three calculation methods are recommended to suit different cases of tubular heaters.
并根据管式加热炉的具体情况，建议采用三种不同的计算方法。
Three calculation methods have been used to study waxy oil temperature drop after shutdown for both buried pipeline and overhead pipeline.
本文用三种计算方法研究了埋地和架空管线中多含蜡原油管道停输后的温降，并与现场实测结果作了初步比较。
This article describes three types of rib beam calculation of internal force, and compare the three calculation methods to guide the practical work.
本文介绍了三种肋梁内力计算的方法，对三种计算方法作了比较，以供实际工程中选用。
The validity of three methods and the correctness of the error calculation were proved in the machining experiments.
通过加工实验，验证了三种刀位计算方法的有效性和误差分析方法的正确性。
A formula derived by the author for calculation of arbitrary three centered arch type headings was introduced here with some modifications made to the conventional design and calculation methods.
介绍了所推导的任意三心拱巷道计算公式，并修正了拱形巷道传统的设计与计算。
This paper gives an analysis of the three methods of incremental loss calculation for power systems and the relations between them.
本文分析了计算电力系统网损微增率的三种方法及它们之间的相互关系。
Kriging is one of the three dimensional interpolation methods and is now widely used in orebody reserve calculation.
克立格法是三维空间插值的主要方法之一，目前已广泛应用于矿体储量计算过程中。
This paper presents three improved methods on calculation of residues based on the traditional methods, and gives the applied example for these methods.
本文在传统的留数计算方法的基础上，提出了三种改进的留数计算方法，并给出了应用实例。
The article includes three parts, which discuss network's calculation, and plot methods of isopiestic line respectively.
文章分三部分论述了管网的平差计算原理、管网图形的绘制和等压线图的绘制方法。
The present paper presents three improved methods on calculation of residues based on the traditional methods, and gives the applied example for these methods.
本文在传统的留数计算方法的基础上，提出了三种改进的留数计算方法，并给出了应用实例。
The structure principle of three line pendulum is outlined, and the calculation methods of its shimmy period in small and large Angle are presented.
叙述了三线摆的结构原理，介绍了该摆小角与大角摆动周期的计算方法。
Correction coefficient for the wave meter and expressions for wave height calculation are inferred and three methods for observation and calculation of wave height are addressed.
推导了测波仪波高订正系数表达式及波高计算公式。阐述了三种波高的观测计算方法。
SD method, one of three reserves calculation methods like geometry, Krige and SD methods in China, is a new mineral resources reserves calculation and examination method.
SD法是一种全新的储量计算和审定方法，是我国使用的三大储量计算方法（传统法、克里格法和SD法）之一。
About the calculation on the discharge head provided to gas by pump, the paper presents three kinds of calculation methods, analyzes and compares the case calculation results.
在计算泵提供给气体的扬程时给出了三种算法，并对实例计算结果进行了分析比较。
In order to evaluate the truss design and construction quality correctly, the deflection calculation methods using three different datum selections are introduced.
基准选取对网架结构挠度计算影响很大，为了更好的评价网架的设计及施工质量，本文介绍三种不同基准选取方法计算检测挠度。
Though the three dimensional modeling technology, common methods of amendment has been analyzed in detail in this thesis, and a program was compiled for calculation of different amendment methods.
本研究使用三维建模技术，详解了螺纹元件的常用修正方法，并编制了不同修正方法的计算程序。
The calculating methods of shipping benefits in the main waterway of Yellow River are investigated from three aspects, including the principle, classification of traffic and calculation of benefits.
本文从航运效益计算应遵循的原则、运量分类、效益计算三方面对黄河干流航运效益的计算方法进行了探讨。
Three kinds of new methods used for detecting fiber volume fraction of 3D woven composite were introduced, such as weighing method, theory model calculation method, digital image analysis method.
文中阐述了适用于三维机织复合材料纤维体积含量测定的3种新方法：称量法、理论模型法、数字图像分析法。
In this thesis, there are three different span cable Bridges as project background, introduced the theoretical calculation of cable Bridges, numerical methods and nonlinear finite element analysis.
本文以不同跨度的三座索道桥为工程背景，分别介绍了索道桥的理论计算方法、数值计算方法及非线性有限元分析方法。
Three methods are introduced for a polygon area calculation in this paper. And emphasis is put on how to use VB language to write the program for polygon area calculation.
本文介绍了三种计算多边形面积的方法，重点介绍了如何利用VB语言编制计算多边形面积的程序。
The three methods for calculating the maximum regulated level and relevant calculation formulae are advanced, and the method for determining the optimum regulated level is an...
提出计算最高整治水位的三种方法及相应计算公式，分析了最优整治水位的确定方法，并结合实例进行计算分析。
Three methods for the efficiency calculation of nozzles were shown, and the test results of two different kinds of nozzles were dealt with using this methods.
三种不同的喷管效率计算方法对两种喷管的实验结果进行了处理，得到不同的性能曲线，分析比较两种喷管在不同高度下的效率。
For the question of the calculation of the stress intensity factors for the three-dimensional, traditional methods of generation nodes mainly rely on our hands, then generate elements and structures.
但在对三维裂纹的应力强度因子求解问题上目前所采用的方法主要是靠人工手动地生成节点，然后再生成单元和结构。
SD method, one of three reserves calculation methods like geometry, Krige and SD methods in China, is a new mineral resources reserves calculation and examination method.
SD法是一种全新的储量计算和审定方法，是我国使用的三大储量计算方法(传统法、克里格法和SD法)之一。
The selection of the key parameters and genetic operators is discussed. The calculation results of three computational examples are given. The characteristic of the three methods is pointed.
通过对连续变量无约束优化、连续变量约束优化和离散变量约束优化等典型优化问题的计算分析 ，将三种惩罚函数方法进行了比较 ，指出了它们的特点及选用原则。
In this paper, three methods of lofting calculation of the steel tube in B-type supporting bearer are presented. With these methods, better fit between the vessel head and the tubes can be obtained.
介绍了三种封头曲面与B型支承式支座钢管结合部分的展开放样计算法，该法可使支座钢管与封头曲面结合处达到良好的吻合，从而保证设备安装质量。
To simplify the calculation of limit and resolve the complicated limit problems, three methods are deduced from the replace property of infinitesimal.
为了简化极限的运算过程，对一些不易求解的极限问题化繁为简。
To simplify the calculation of limit and resolve the complicated limit problems, three methods are deduced from the replace property of infinitesimal.
为了简化极限的运算过程，对一些不易求解的极限问题化繁为简。
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