root radius

On the choice of groove parameters, the influences of groove parameters ( such as groove depth, groove opening angle and groove root radius) on the groove bottom stress concentration extent were analyzed by finite element method.

在切口参数的选择上，本文使用有限元方法分析了切口深度、切口张开角度及切口根部圆角半径等对切口处应力集中程度的影响。

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With decreasing the notch root radius, the macro mechanical parameters which reflect the strength of the material increase.

随缺口根半径R的减小，反映材料强度的表观力学参量增加。

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The distribution of stress and strain of the specimens with a big root radius ( R ≥ 2mm) and a small root radius ( R ≤ 2mm) are different.

较大缺口根半径（R≥2mm）和较小缺口根半径（R

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By studying the variation of root mean square radius with the separation energy, conditions for the existence of halo states are pointed out, especially of the proton halo states.

通过研究均方根半径随结合能变化的规律，指出了晕核态存在的条件，尤其是质子晕核态存在的条件。

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Stress and strain analysis in metallic tensile specimen with different notch root radius

金属材料不同缺口根半径拉伸试样中的应力应变分析

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The remelting effect plays a leading role in the initial stage of the detachment. Then the effect of stress concentration becomes obvious as the root radius of the dendrite arms decreases.

重熔作用在断裂的最初阶段起主导作用，随着枝晶臂根部缩颈半径的减小，应力集中效应逐渐明显。

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From the mature to the winter period, clone component of its surface area of root, root radius, root volume, root length, such as increasing trend in both.

从成熟期到越冬期，其无性系构件的根表面积、根半径、根体积、根长等都呈持续增加趋势。

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Based on orthogonal experiment, the significance of factors affecting fatigue life, including the root shape, the size of root radius and the geometric parameters of tooth and end flange, is obtained.

通过正交试验法研究了超高压容器疲劳寿命的影响因素，包括齿根形状、过渡圆角半径和端部法兰、啮合齿等几何参数。

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Computation on Root Mean Square Radius and Modulation Transfer Function in Imaging Systems

成像系统均方根半径及调制传递函数的计算

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The computed 2 δ c values corresponded to the experimental deep notch root radius ρ 0. The relationship between fracture toughness and notch toughness depended on the relative size of effective deformed zone 2 δ c and mean free distance d B between bainites.

计算的2δc与测定的深缺口临界根部半径ρ0有对应关系。裂纹韧度与缺口韧度的关系取决于2δc与贝氏体之间的平均自由距离dB。

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The relation between rock fracture toughness K_ ( Ic) and notch root radius in studied experimentally.

本文对岩石三点弯曲试样的切口曲率半径与其断裂韧度K（Ic）值间的关系进行了详细的实验研究及理论分析。

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The Effect of Notch Root Radius on the Cleavage Fracture Stress σ_f

缺口根半径对解理断裂应力σf的影响

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The stress and strain distributions and their changes with the applied loads in the tensile specimens with different notch root radius were calculated by finite element method for steel and aluminum alloy.

用有限元法计算了钢和铝合金不同缺口根半径拉伸试样的应力、应变分布及其随外加载荷的变化规律。

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Moreover, when outsider diameter D or minimum diameter at the root of notch d vary with root radius R at notch keeping constant, two different notch contours obtained have very little influence on the fracture strength of the material.

当缺口根部半径一定，仅改变外径D或缺口处最小直径d所得两种缺口状态对缺口强度的影响不大。

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The stress triaxiality and equivalent plastic strain distributions at the minimum cross-section of specimens with different notch root radius are similar for such three kinds of materials.

三种材料不同缺口根半径试样最小横截面上应力三维度和等效塑性应变分布形态相似。

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According to difference of the root system morphology, low phosphorus condition made root radius and root volume reduced, while the ratio of root to shoot ( R/ S) increased.

从根系形态的差异来看，低磷胁迫下，根半径、根体积减小，根冠比增加；

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Based on the digital image processing on the photos, it gains some of the arc macroscopic parameters such as root radius, column radius, length, burning time, and so on.

根据拍摄的照片进行数字图象处理，得到电弧的一些宏观参数如弧根半径、弧柱半径、弧长、燃弧时间等。

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And so notice that when you are at speeds above that that you are exclusively in domain two and your terminal speed is proportional to the square root of the radius of the ball bearings.

应当注意的是，当，速度大的时候，是在，区域2中，终端速度和，这些滚珠的，√r成比例。

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Great difference, however, occurs with root radius R at notch varying when tested in 1 bar hydrogen.

而在氢气中试验，则发现缺口根部半径R的变化对材料断裂强度影响极大；

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The influences of the root curvity radius, length, end ellipticity of a notch and the forms, materials of the sample on the failure assessment diagram were totally studied.

较全面地研究了缺口根部曲率半径、缺口长度、缺口端部椭圆率以及试样类型、材料等对失效评定图的影响。

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