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质量计算
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  quality estimation
     This thesis has studied the pre-process of Automatic Fingerprint Identification System (AFIS) on the image level, mainly including ridge orientation estimation and fingerprint segmentation, and quality estimation based on them.
     在这种情况下,本文对指纹识别系统中图像级预处理阶段中的纹路方向计算、指纹分割进行了研究,并在此基础上对指纹质量计算进行了探讨。
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  mass calculation
     The Mass Calculation of Crankshaft Equivalent Ring
     曲轴动平衡当量环质量计算
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     CAXA Based Rapid Mass Calculation for Rotating Objects
     基于CAXA快速实现回转体的质量计算
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     Mass Calculation of R Wound Core
     R型卷铁心的质量计算
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     Based on analysis and comparison of the principle, method and form of train mass calculation and the correlative“ select judge value” for raising speed train,a change of particular attention from train mass to train speed is recommended in this paper,and the second critical gradient between the recommendatory maximum speed method (holding accelaration) and the traditional calculative speed method is established to the “select judge value”.
     本文在分析与比较提速列车质量计算的原则和方式方法以及相关的选择判别值的基础上,提出应从传统的侧重列车质量的方式转向侧重运行速度的方式,并最终确立第二临界坡度为推荐的最高速度(保有加速度)法与传统的计算速度法的选择判别值。
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  “质量计算”译为未确定词的双语例句
     The experiment results showed that the yield was more than 96.5% under the best reaction conditions: the amount of 3,4-dimethyl benzaldehyde was 66 mmol,the molar ratio of 3,4-dimethyl benzaldehyde to sorbitol was 2.0,the amount of catalyst and accelerator was 0.6%~1.2% and 15%~18% of the total mass of reactants,respectively. The reaction time was 5 h.
     实验结果表明,在3,4-二甲基苯甲醛66 mmol,n(醇)∶n(醛)=1.0∶2.0,w(催化剂)=0.6%~1.2%(以反应单体的质量计算),w(促进剂)=15%~18%(以反应物的总质量计算),回流反应5 h的最佳反应条件下,收率在96.5%以上。
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     METHODSThe weight of tumor and immunity organ were measured with the EELC administered (orally) at 1.0,2.0,4.0g/kg in mice, and the inhibition rate of tumor and the index of thymus and spleen were detected after 10 days.
     [方法]将蓝靛果乙酸乙酯提取物以每日1.0,2.0,4.0g/kg的剂量灌胃给予接种肿瘤的小鼠,连续10d,称取肿瘤质量和免疫器官质量,计算肿瘤生长抑制率、胸腺指数及脾脏指数.
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     METHODS: ①Blood pressure, height, body mass were measured and body mass index (BMI), percentage of body fat (BF%) in vivo (according to formulas induced by data from white people) were calculated: Male=1.2 ×body mass (kg)+height-2 (M-2)+0.23×age-16.2;
     方法:①所有患者测量血压、身高、体质量,计算体质量指数,体内脂肪百分比(按白种人数据推导的公式):男性=1.2×体质量(kg)+身高-2(m-2)+0.23×年龄-16.2;
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     The calculation of excess mass indicates that during the migmatization MgO and FeO were reduced and SiO_2 and K_2O were concentrated in the open system.
     过剩质量计算表明,开放体系混合岩的形成是一个岩石中FeO和MgO降低,而SiO_2和K_2O升高的过程。
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     Manufacture process and balance quality calculation of the Three Gorges left bank No.14 hydroturbine runner
     三峡左岸14号水轮机转轮制造过程及平衡质量计算
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  相似匹配句对
     Calculation of Train Mass for Raising Speed Train
     提速列车质量计算
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     The Calculations of Quality and Muliple Integration
     质量与重积分计算
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     We also give a new correction factor to simplify the calculation of the Unstatistic.
     的计算
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     Quality.
     质量
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     QUALITY
     质量
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  quality estimation
Therefore the measurement of the resistivity of oxide powders can be successfully applied for the quality estimation and forecasting of the service properties of hard-alloy production.
      
Water Quality Estimation in the Kotorosl' River Basin Based on Zoobenthos Composition
      
Water Quality Estimation Based on Histological Investigations of Fish: Case Study of Kenozero Lake
      
Water Quality Estimation Based on the Structural Analysis of Diatomic Complexes
      
On efficiency of the dual majorant method for the quality estimation of approximate solutions of fourth-order elliptic boundary
      
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  mass calculation
The influence of the polarized voltage on the electron caputure efficiency coefficient (p) measured with two detectors in series was demonstrated and the reliability of the sample mass calculation by means of (p) is discussed.
      
Local sample mass calculation, based on energy-loss conversion by use of appropriate matrix stopping powers, was performed by use of dedicated software.
      
Template matching with a weighted center-of-mass calculation determined marker location with subpixel accuracy.
      
Clot formation was recorded using photography, clot casting, and clot mass calculation.
      
The nuclear mass calculation is discussed in terms of large-scale shell model calculations.
      
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Various problems concerning the mass of the lay calculation are discussed as follows: (1) The fundamental equations to calculate the moment of inertia and the mass of the lay. (2) The maximum beat-up force calculation (Pmax). (3) Determination of the minimum value of the moment of inertia of the lay. (4) The relationship between the mass of the lay and speed fluctuation of loom crank shaft. (5) The effect of decrease of the mass of the lay on loom vibrations. Finally, it is pointed out that for Type 1511 Loom...

Various problems concerning the mass of the lay calculation are discussed as follows: (1) The fundamental equations to calculate the moment of inertia and the mass of the lay. (2) The maximum beat-up force calculation (Pmax). (3) Determination of the minimum value of the moment of inertia of the lay. (4) The relationship between the mass of the lay and speed fluctuation of loom crank shaft. (5) The effect of decrease of the mass of the lay on loom vibrations. Finally, it is pointed out that for Type 1511 Loom to decrease the moment of inertia of the lay to 1/2 of the existing value is suitable.

本文研究了有关計算筘座質量的如下若干問題: 1.筘座轉动慣量及筘座質量計算的基本公式; 2.最大打緯力Pmax的計算; 3.筘座最小轉动慣量的决定; 4.筘座質量及織帆兩軸迴轉不均勻性之間的关系; 5.减輕筘座質量对織机振动的影响。最后指出1511型織机上筘座的轉动慣量减小一半是合适的。

This paper is divided into three parts. (1)The method of M.D.Haskind is used to calculate the added masses and damping due to the oscillations of a floating elliptic cylinder of very small frequency parameter v,as well as the excition of incoming waves on the motion.By using the Joukowski transformation to transform the physical plane into a complex plane,the elliptic section becomes a circular section.Moreover,an auxilliary function f (df)/(dx)=(dw)/(dx)+ivw is introduced,where w is a complex potential.B yexpanding...

This paper is divided into three parts. (1)The method of M.D.Haskind is used to calculate the added masses and damping due to the oscillations of a floating elliptic cylinder of very small frequency parameter v,as well as the excition of incoming waves on the motion.By using the Joukowski transformation to transform the physical plane into a complex plane,the elliptic section becomes a circular section.Moreover,an auxilliary function f (df)/(dx)=(dw)/(dx)+ivw is introduced,where w is a complex potential.B yexpanding into a power series.The determination of f results in the solving of two infinite systems of linear algebraic equations,with each system having a unique solution when v is very small.Then the complex potential and the series expression of radia- tion characteristics are obtained by solving an ordinary differential equation in considering the condi- tion of radiation. An expression of hydrodynamic force is obtained by integrating the pressure,and its result involves the coefficients in the series expansion of f only. (2)Expand f in a power series of v,and solve the partial differential equation satisfied by the terms of this series on the boundary of the body by making use of the relation of power series and trigonometric series.Thus,the series solution of f is obtained.Here we present its first two terms only.Finally,this result is compared with that of part (1),and approximate formulas of the coefficients of added masses and damping are obtained. (3)The result of part(2)and a strip theory are used to ealculate the added masses of a long elli- psoid.Some numerical results are also obtained.

本文分三部分。第一部分研究椭圆柱在频率参数 v 很小的情形下的阻尼及附加质量的计算,以及入射波扰动的影响,其中利用了哈斯金德提供的方法。利用茄可夫斯基变换,将物理平面变到另一复平面上,椭圆拄周线化为圆柱周线;又引入辅助函数 f:(df)/(dx)=(dw)/(dx)+ivw,其中w 为复势。先将 f 展为幂级数,利用三角级数的正交性,由边界条件确定 f,结果归结为解二组无穷线性方程组,我们证明了这些方程组在v 很小时有唯一解。确定 f 之后,由求解常微分方程,并考虑辐射条件,得到复势 w (x)及辐射特性的级数表示式。由压强积分得到水动力表示式,结果只与厂的级数展开式系数有关。第二部分,将 f 展为参数 v 的幂级数,利用幂级数与三角级数的关系,解这个级数各项在物体边界上满足的偏微分方程,得到 f 的级数解,这里我们仅求出它的前二项;最后与第一部分结果比较,得到附加质量系数、阻尼系数等的近似公式。第三部分,是利用第二部分的结果,用切片理论计算长椭球的附加质量,同时给出数字结果。

The use of perforated structure can increase the bandwidth transducer, which is a new theoretical problem in designing transducer devices. This paper indicates that the decrease of equivalent mass that arises from drilling holes in the radiating block of transducer is the main cause of making transducer more bandwidth.It is difficult for transducer of drilling holes in the radiating block to solve vibration velocity distribution using usually analysed method. In this paper we use finite element method to obtain...

The use of perforated structure can increase the bandwidth transducer, which is a new theoretical problem in designing transducer devices. This paper indicates that the decrease of equivalent mass that arises from drilling holes in the radiating block of transducer is the main cause of making transducer more bandwidth.It is difficult for transducer of drilling holes in the radiating block to solve vibration velocity distribution using usually analysed method. In this paper we use finite element method to obtain the numerical solution of vibration velocity and to calculate equivalent mass and bandwidth of transducer. The mentioned method can be used in calculating equivalent mass of piezoelectric sandwich or compex transducer along axis perforaiton in front of radiating block or in the middle of radiating block.

利用多孔结构增加换能器频带宽度,是换能器设计方面的一个新的理论问题。本文指出,换能器辐射块钻孔引起等效质量的减少,是导致频带变宽的主要原因。 对园台形辐射块钻孔的换能器,用一般解析法求其振速分布是困难的。本文采用有限元方法求其振速的数值解,并算出了换能器的等效质量及带宽变化。该计算方法同样适用于辐射块前端或中间沿轴向钻孔的复合式和夹心式压电换能器等效质量的计算。

 
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