Examples show that the proposed parallel substructure conjugate gradient method can achieve better parallel speedup ratio for network.
算例表明此种并行子结构共轭梯度法在网络上能获得较高的并行加速比。
The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.
给出了考虑注采比和启动压力梯度的平均地层压力和边界压力的确定方法。
For reactive sputtering, the gradient films with varying ratio of chemical component can be prepared by changing gas flow rate continuously.
对于反应溅射,可通过连续改变反应气体流量制得化学成分比连续变化的梯度薄膜。
The optical refraction threshold. birefringent gradient and extinction ratio were measured.
测试了晶体的光折变阈值、双折射梯度和消光比。
The range and depth dependence of the long-range reverberation and echo-reverberation ratio were calculated for the cases of negative gradient and homogeneous layers.
用该法在浅海负梯度和均匀层情况下,计算了远程混响和回波、混响比的距离、深度结构。
Some negligible factors in the classical fluid dynamics, such as, surface force, surface-volume ratio and the effects of gradient parameters, become very important for its study.
由于尺度效应、表面效应等因素的影响,稀薄气体流动表现出自己的特点:流动涉及的表面积与体积之比增强、梯度参数效应,表面效应,流体极性等。
For pipelines with a uniform gradient, safety ratio is an important index for evaluating the hydraulic safety of a system.
对于均匀坡度的管道系统,安全率是评价系统水力安全性的重要指标。
The result shows that the change of gradient of kick-off pressure, the storage ratio and the ratio of formation coefficients have relatively big effect on the slug flow well test result.
结果表明:启动压力梯度、层间储容比、地层系数比的变化对段塞流试井解释结果有较大的影响。
The effect on heat transfer performance caused by heat flux, gradient and liquid-filled ratio of evaporation end was deeply investigated.
分析了热管的启动特性以及热流密度、蒸发段倾角和充液率对其传热特性的影响。
Characterized by strong anti-interference capacity, high resolution ratio and portability of the instrument, the dual frequency gradient method has proved effective in practice.
双频梯度测量法有抗干扰能力强、分辨率高、仪器轻便等特点,实践证明应用效果很好。
It is shown that for the rectangular microchannel, the microchannel's aspect ratio has much more effect on its pressure drop gradient, while the placing manner of the microchannel has less effect.
发现对于矩形微通道来讲,通道的深宽比对其压力降梯度影响较大,而放置方式对其压力降梯度的影响不太明显。
Those salient regions are represented by 3 invariant features of gradient orientation, moment and canonical hue. They are used for scene recognition in terms of their match ratio.
对场景图像中的显著区域采用梯度方向、二阶不变矩、归一化色调3种特征进行不变性表示,并根据其匹配率实现场景识别。
The ratio of the magnitude of an applied shear stress to the velocity gradient that it produces; that is, a measure of a noncrystalline material's resistance to permanent deformation.
剪切应力数值与其产生应变速率的比值叫粘性,用来衡量非晶材料抵抗永久变形的能力。
The effects of the gradient index, skew angle and aspect ratio on the stability of the non-conservation FGM skew thin plate were analyzed.
结果表明,非保守FGM斜板的临界颤振荷载随梯度指标和夹角的增大而减小,随长宽比的增大而增大。
The effects of the gradient index, skew angle and aspect ratio on the stability of the non-conservation FGM skew thin plate were analyzed.
结果表明,非保守FGM斜板的临界颤振荷载随梯度指标和夹角的增大而减小,随长宽比的增大而增大。
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