查询词典 homogeneity

From the homogeneity of time we can deduce mechanical energy conservation law, and from the homogeneity and isotrogy of space we can deduce monentum conservation law and angular momentum conservation law.

从时间的均匀性可推得机械能守恒定律，从空间的均匀性和空间的各向同性可分别推出动量守恒定律和角动量守恒定律。

In order to enhance the difference of homogeneity measurement values between pixels, Cauchy distribution function was selected as the kernel function for proposed measurement method of the image homogeneity.

为增强图像中各像元的同质性测度值差异，以柯西分布函数作为核函数，提出一种图像同质性测度的新方法。

On the basis of digital image processing, a method for evaluating homogeneity of asphalt mixtures is introduced compendiously and homogeneity of the perpetual asphalt concrete pavement on the test section of Guany-Wu Expressway is studied quantitatively in this paper.

基于数字图像处理技术，简述了沥青混合料均匀性的评价方法，并对广梧高速公路长寿命沥青混凝土路面试验段的均匀性进行了定量研究。

This article first discusses the significance of homogeneity of variance, then studies the general method of transformation for homogeneity of variance on the relation between the data mean and the variance when population distribution is known ,and it uses the Mathematica software to analyse the variety rules between the parameter and the variance in the corresponding transformation.

从方差非齐性数据处理中的变换的必要性入手，根据数据均值与方差之间的关系研究了总体分布已知时的方差齐性变换的一般方法，并利用Mathematica软件分析相应变换中参数与方差之间的图形规律，最后介绍了总体分布未知时的BoxCox变换的一般原理。

The model of nonhomogeneous clutter environment is the precondition of the following research.3、Clutter non-homogeneity detector is studied, and a new clutter non-homogeneity detector is proposed by using frequency center idea for clutter spectrum shifting and nonhomogeneity of clutter power.

适合非均匀杂波环境的机载雷达接收数据模型为后续的适合于非均匀杂波环境的STAP方法提供了基础。3、研究了杂波非均匀检测器，针对杂波谱移动非均匀和杂波功率非均匀，提出了"频心"法杂波非均匀检测器。

To solve the resulted secondorder ordinary differential equation set in the case of homogeneity orpiece homogeneity,the Frobenius Power Series Method is employed andgeneralized in a matrix form.

考虑均匀或分段均匀的特殊情形，对于导得的二阶常微分方程组，文中推广了常用的Frobenius级数求解方法，首次采用矩阵形式进行了推导。

The pugging process experiment of silica brick pug was made in Φ1 600×450 wet pan mill to study the change rule of main component mixing homogeneity and molding performance of the pug. The results showed that the pervasion and mixing concurred when diversified materials acceded to the wet pan mill, prolonging time in dry-mixed and wet-mixed periods had no action for increasing mixing homogeneity with pugging time prolonging, the molding performance was improved and the porosity of silica brick adobe had downtrend, but prolonging time after pugging 14 min the effect was not remarkable.

通过对Φ1 600×450湿碾机混练硅砖泥料过程中泥料主要成分的混合均匀度、泥料成型性能的变化规律研究，发现在各种物料加入湿碾机时，同时存在着扩散混合作用，延长干混、湿混阶段的时间，对于提高混合均匀度实际上没有意义；随捏练时间延长，泥料成型性能改善，砖坯气孔率呈下降趋势，但捏练14 min以后继续延长捏练时间，采用正常压制制度时，砖坯气孔率降低值已经很小。

In competition initial stage for journalism, homogeneity is favorable to the improvement of the quality of the newspaper, but that homogeneity develops into certain stage will aggravate the fierce degree of the competition , result in propagandizing maliciously , sell such unfair competition phenomena as the newspaper , and present newspaper unboundedly ,etc. at a low price.

在报业竞争初期，同质化有利于报纸质量的提高，但同质化发展到一定阶段，会加剧竞争的激烈程度，导致恶意炒作、低价售报、无节制赠报等不公平竞争现象。

The cells were cultured under the following serum microenvironment. The primary cells of autoserum group were cultured with autoserum, changing the medium with fetal bovine serum after passage. The primary cells of homogeneity foreign serum group were cultured with homogeneity foreign serum, changing the medium with fetal bovine serum after passage. The primary cells of fetal bovine serum group were cultured with fetal bovine serum, and cultured with fetal bovine serum after passage. The primary cells of Dulbecco's modified Eagle's medium group were cultured with serum-free DMEM, changing the medium with fetal bovine serum after passage.

分别以下列血清微环境培养：自身血清组：分离细胞后原代用含大鼠自身血清的培养基培养，传代后换用含胎牛血清的培养基培养；同种异体血清组：分离细胞后原代用含同种异体血清的培养基培养，以后用胎牛血清培养基培养；胎牛血清组：分离后用含胎牛血清培养基培养，以后一直用含胎牛血清培养基培养；DMEM组：分离细胞后原代用不含血清的DMEM培养基培养，传代后换用含胎牛血清的培养基培养。

Methods: A newly reported regional homogeneity approach was used to analyze blood oxygen level-dependent fMRI data in resting state among 6 ADHD-C, 9 ADHD-Ⅰ and 15 normal control boys. Results: The brain regions showing differences among the three groups included bilateral frontal lobe, right cuneus and right inferior temporal gyms.

对符合DSM-Ⅳ诊断标准的6名混合型、9名注意缺陷型ADHD患者及15名正常对照进行静息态的功能磁共振扫描，采用局部一致性(regional homogeneity， ReHo)作为测量指标，探讨ADHD两种亚型之间以及ADHD与正常对照之间脑功能的差异。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。