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   measurement is 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.094秒
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measurement is
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  测量
    The width measurement is performed by two 2D top lighting sensors aiming vertically on both edges of the product.
    宽度测量是由两个2D顶部照射传感器垂直对准产品的两侧实现的。
    After compare of several traditional ways, we use the ray axis approach based on the digital image processing, and design mechanical structure. Sensitivity and speed of measurement is improved by using the optical enlargement principle, beam splitter and CCD camera.
    本文对空间直线度的测量方法和数据处理进行了探讨,通过对各种方法的比较,确定了采用基于数字图像处理的光轴法的检测方法,设计了该测量方法的机械结构方案,利用光学反射放大原理,分光镜和CCD摄像机的使用提高了检测的灵敏度,也使得测量过程的自动化大大提高,从而提高了测量速度。
短句来源
    Due to the average effect among the measuring units, the error of the measurement is(0.005+1×10 -5 D) mm or less for those cones with small coning angle.
    由于各测量单元的平均化作用,当测量小锥度端面直径时,测量误差仅为(0 .005+ 1 ×10-5 D) mm 。
短句来源
    The uncertain degree of measurement is the perfection and developing of error theory, the subject of itsanalysis remains the error.
    测量不确定度是误差理论的完善和发展,其分析的主体仍然是误差。
短句来源
    It can be found out from their definition, uncertain degree states the more ability tomeasure quality than the error in measurement, the uncertain degree of measurement is more overall and moreconcrete than the error.
    从它们的定义可以看出,测量不确定度比误差更具有说明测量质量好坏的能力,测量不确定度比误差更全面更具体。
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  测量是
    The width measurement is performed by two 2D top lighting sensors aiming vertically on both edges of the product.
    宽度测量是由两个2D顶部照射传感器垂直对准产品的两侧实现的。
    As a most basal item of geometrical product measurement, Straightness measurement is the base of many measurements such as flatness, parallelism, squareness and concentricity.
    直线度测量是几何量计量领域里一个最基本的项目,它是平面度、平行度、垂直度、同轴度等几何量测量的基础。
短句来源
    Non-contact measurement is an important topic in mechanical measuremants nowadays. With the development of industy and technology, it is becoming more and more important to realize and utilize the non-contact measurement principle and method in industry domain.
    无接触式测量是当今机械测量的一个重要话题,随着工业和科技的迅速发展,对广泛存在于工业领域的非接触测试机理和方法的认知、利用显得越来越重要。
短句来源
    Straightness measurement is one of the most basic and important item in the field of the geometrical measurement,which is the basic of planar degree,parallel degree,orthogonal degree,coaxial degree and etc,while it is also an important content in the field of mechanical manufacture, mainly includes the straightness error measurement for aiming at the actual surface of the workpiece and straightness error measurement for aiming at beeline guideway or beeline movement workpiece of automatic emendation .
    直线度测量是几何量计量领域里一个最基本的项目,它是平面度、平行度、垂直度、同轴度等几何量测量的基础。 同时,直线度测量是机械加工中一项常见而重要的测量项目,它主要包括对工件实际表面直线度误差的测量以及对直线导轨或直线运动机构直线度误差的测量。
短句来源
    Angle measurement is an important part of geometric metrology.
    角度测量是几何量计量技术的重要组成部分。
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  “measurement is”译为未确定词的双语例句
    Secondly, based on LabVIEW, the software of data acquisition and processing system for cutting force and cutting temperature measurement is developed. It concludes the data acquisition, data processing, data analysis and saving of data, the calibration of dynamometer, and so on.
    然后,在LabVIEW环境下开发了切削力与切削温度测量的数据采集处理系统软件,该软件包括数据采集、数据处理和数据存储等模块,能够实现切削力与切削温度测量的数据采集、处理、分析、存储以及测力仪标定等功能。
短句来源
    A new method has been studied in this paper.based on the fact that copper(Ⅱ)in NH_3.H_2O catalyzes the decoloizing reaction of phenol red by hydrogen peroxide.The sensitivity for copper is8.0×10~(-10)g/ml.The range of measurement is 0.3─1.1μg/25ml.
    据此建立了催化褪色光度法测定痕量铜的新方法。 本方法检出浓度为8.0×10 ̄(-10)gCu ̄(2+)/ml,测定范围为0.3~1.1μgCu ̄(2+)/25ml。
短句来源
    The shape of d vs sin 2 ψ curve with stress gradient near the beryllium surface is studied under the modified ψ diffraction geometry condition, and the effect of stress gradient near the beryllium surface on the conventional x ray stress measurement is determined.
    研究了在 modified-ψ衍射几何条件下 ,铍材表层中存在不同应力梯度时的 d~ sin2 ψ曲线的形状 ,确定了铍材表层内的应力梯度对常规的 X射线应力测试的影响。
短句来源
    The range of measurement is 5×10~-5%~5×10~-4%, The RSD was found between 1.94% to 2.38%.
    测定范围:5×10-5%~5×10-4%,相对标准偏差为1 94%~2 38%。
短句来源
    In the second part, the principle of image processing being analyzed and compared, the method of image processing that most fits this measurement is chosen out and method of software realization is given out.
    第二部分对图像处理的原理方法进行分析比较,提出了适合于本测量仪的图像处理方法和步骤,并给出了软件实现的方法。
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  measurement is
An effective approach combining theoretical analysis and mathematical calculations with experimental measurement is presented in this paper to determine the grinding area and allowance for compensating the boresight error performance of the radome.
      
Compared with the method via non-modulated electron beams, the instrument of measurement is simplified.
      
It is predicted that the superposition persistence time will increase if the measurement is carried out with a low accuracy and a minimum variance.
      
A method of SEM linear measurement is proposed in which the reference marker displayed on the screen is used as a standard.
      
The sensitivity of this method can be high because frequency measurement is one of the most accurate measurements in physics and metrology.
      
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The crack tip stress intensity factor under impact-fatigue conditions expressed by the equation K_I=(AE/BW)~(1/2)·F(a/W) may be used as a measure of fracture toughness of materials on condition that a proper calibration of K_I with the compliance measurements is made. The fracture toughness values obtained by the above method are equivalent to the dynamic fracture toughness K_(Id) with loading rate of the order (?)=10~5kg/mm~(3/2)/sec, and would be valid as the critical crack length of the fracture surface...

The crack tip stress intensity factor under impact-fatigue conditions expressed by the equation K_I=(AE/BW)~(1/2)·F(a/W) may be used as a measure of fracture toughness of materials on condition that a proper calibration of K_I with the compliance measurements is made. The fracture toughness values obtained by the above method are equivalent to the dynamic fracture toughness K_(Id) with loading rate of the order (?)=10~5kg/mm~(3/2)/sec, and would be valid as the critical crack length of the fracture surface of specimens are constrained within the range of a/W=0.36-0.6.

多次冲击条件下裂纹尖端应力强度因子的表达式为K_I=(AE/BW)~(1/2)·F(a/W)。经柔度法标定,其临界值可用以度量材料的断裂韧性。所得结果相当于加载速率为k=10~5公斤/毫米~(3/2)/秒下的动态断裂韧性K_(Id)。断口上临界裂纹尺寸在(a/W)=0.36-0.6范围内,结果有效。多次冲击法较为简便,只需测出断口上的临界裂纹尺寸,便可在已绘好的曲线上直接查出材料的断裂韧性。在实际生产中可以作为一种筛选方法应用。

This paper shows how the mixed-mode stress intensity factors (K Ⅰ , K Ⅱ ) are determined by isochromatic fringes near the crack. The measurement is carried out with the thin slices of the frozenstress specimen under a deflection microscope. The result of the investigation of one of the cracks indicates that the errors of the measured data,in comparison with theoretic solution, are within the limits. Its accuracy meets the requirements of engineering. It may be, therefore, deduced that the testing accuracy...

This paper shows how the mixed-mode stress intensity factors (K Ⅰ , K Ⅱ ) are determined by isochromatic fringes near the crack. The measurement is carried out with the thin slices of the frozenstress specimen under a deflection microscope. The result of the investigation of one of the cracks indicates that the errors of the measured data,in comparison with theoretic solution, are within the limits. Its accuracy meets the requirements of engineering. It may be, therefore, deduced that the testing accuracy of other cracks on the tube can do the same.

用等色条纹来测定薄壁园筒上裂纹的混合型应力强度因子(K_Ⅰ,K_Ⅱ)。利用冻结切片在偏光显微镜下进行测量,实验结果就其中一种裂纹的应力强度因子与理论解比较误差不大,其精度满足工程要求。从而推证薄壁园筒上,其它裂纹的试验精度也能满足工程上的要求。

In this paper,the finite difference solution is used to solve Laplace's equation inthe magnetic field circulating a single ferromagnetic fibre and poly ferromagnetic fibresas well through electric computer,the cross section of the filament calculated is rectan-gular in shape.The field distribution profile drawn accordingly has shown the real fielddistribution characteristics around a single fibre and poly fibres.A further analysisbased on theoretical datum reveals both the shape and geometry response.The actual...

In this paper,the finite difference solution is used to solve Laplace's equation inthe magnetic field circulating a single ferromagnetic fibre and poly ferromagnetic fibresas well through electric computer,the cross section of the filament calculated is rectan-gular in shape.The field distribution profile drawn accordingly has shown the real fielddistribution characteristics around a single fibre and poly fibres.A further analysisbased on theoretical datum reveals both the shape and geometry response.The actual measurement is fairly correlated to the theoretical.

本文主要阐述钢毛的磁场分布特性。运用有限差分法并借助电子计算机,分别求解了单丝及多丝矩形钢毛周围磁场的拉普拉斯方程。根据求解的结果绘制的场图显示了单丝钢毛周围及多丝钢毛之间的磁场分布特性。通过对理论数据的分析,揭示了钢毛介质的形状效应和几何尺寸效应。实测结果表明,理论计算值和实测值吻合得很好。

 
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