密度
- 与 密度 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Statistical characteristics include Tectonic Density, Degree of Central Symmetry, Skewness Index, Degree of Tectonic Optimal Direction, Power Spectrum Density, Cubic Entropy and so on. The former four indexes are implemented in this paper; Structural characteristics show the characteristics of spatial distribution of geological bodies. In chapter four, a quantitative method for describing geological structure by using the structure "tree" is studied and implemented, including its formalized definition and the measurement of the similarity of different "trees".
统计特征有构造密度、中心对称度、失真指数、优益度、密度功率谱、方位熵等等,本文实现了前四个参数值的提取;结构特征是反映地质体空间分布的结构特点,第四章研究和实现了用"树结构"描述地质结构的定量方法,包括结构的形式化描述和结构的相似性度量。
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The typical manifestations of PHC were nodular,irregular and heterogenous enhanced regions in lesion,tumorous vessels could be seen in the arterial phase,the hyperdense regions in the arterial phases were changed to hpodense quickly in the portal phase;The characteristic findings of HCH were well-defined intense mural nodular enhancement in the arterial phase,and centripetally oriented enlargement of this nodular in the portal phase,the density of the nodular in the arterial phase were similar to that of aorta or hepatic arteries.
原发肝癌的典型表现是动脉期病灶内结节状、片状强化,并可见肿瘤血管影,强化部分在静脉期迅速呈低密度影;肝血管瘤的特征性表现为动脉期病灶边缘结节状强化,密度类似于主动脉或肝动脉,静脉期强化结节逐渐向病灶中央扩展;肝转移癌的主要表现为动、静脉期病灶边缘环状强化,中央部分无明显强化,静脉期还可见到"牛眼征"。
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We have further studied the effects of the spin density and charge densityfluctuations on the high-Tc superconductivity.
我们还进一步研究了电荷密度和自旋密度涨落对高温超导电性的影响。
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We investigate the distribution of charge density and spin density in an interchain coupled quasi-one-dimensional organic ferromagnet.
对具有链间耦合的准一维有机铁磁体系统的电荷密度和自旋密度的分布进行了研究。
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As to our knowledge, this is the first time to investigate systematically the defects of ZnO. The density of states and the charge density shown in this paper facilitates the analysis of experimental results such as Photoemission and absorption spectra or emission spectra.
本文首次对ZnO的本征缺陷做了系统的研究,计算了每种缺陷的态密度曲线和它对电荷密度分布的影响,这些结果对能谱和光谱等实验结果的分析会有很好的借鉴意义。
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In the numerical calculations,the unknown density of dislocation is approximated with the product of fundamental function and Chebyshev polynomials.The calculations show the present method yields rapidly converging and high accurate numerical results.
在数值求解这组奇异积分方程中未知位错分布密度近似为基本密度函数与Chebyshev多项式之积,计算表明,本文方法的数值结果不但收效快而且精度高。
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Aiming at the problems of over-fitting and generalization for neural networks, the locally most entropic colored Gaussian joint input-output probability density function estimate is studied, and a new method by means of Chebyshev inequality is proposed to self-revise respectively according to every cluster.
针对神经网络的过拟合和泛化能力差的问题,研究了样本数据的输入输出混合概率密度函数的局部最大熵密度估计,提出了运用Chebyshev不等式的样本参数按类分批自校正方法,以此估计拉伸样本集,得到新的随机扩充训练集。
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Using a perturbation method, these linearized equations are solved for a composite sphere with the charge densities of the rigid core surface and of the surface layer as the small perturbation parameters. Analytical expressions for the settling velocity and electrophoretic mobility of the composite sphere in closed form have been obtained from a balance among its hydrodynamic, electrostatic, and/or gravitational forces.
以复合粒子之固体核心表面的电荷密度和多孔性表面层内的固定电荷密度为二个微小扰动参数,应用正规微扰法来求解这些已线性化之主导方程式,再藉平衡作用於复合粒子的重力、静电力和流体阻力等三种力后,可得到带电球形复合粒子的沉降速度及电泳可动度的解析形式表示式。
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From the view of conservation of organic matter, the water body in evaporates basin takes on the character of density stratification; the niederschlag below mascon has high oxidation-reduction potential, which contribute to the conservation of organic matter. From the view of generation of hydrocarbon, bacteria, algae and lithology on the bottom of salt-water basin play important role in generation of hydrocarbon; furthermore, clunch from the redbeds acting as catalyzer, alkali metals making the hydrocarbon mobile.
从油气生成条件看,细菌、藻类及咸水盆地底层的岩性对油气的生成具有重要作用,此外红层中的粘土对烃类的生成起到催化的作用,碱金属可使生成的烃类发生流动;从有机质的保存条件看,蒸发岩盆地水体中具有密度分层的特点,在高密度层以下的沉积物具有强的氧化还原电位,从而使有机质保存下来。
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Methods: The coarctation of the abdominal aorta hypertension model was established in rats.
建立腹主动脉缩窄性高血压大鼠模型,测定平均动脉压和左心室/体重比值;测量大鼠心肌的体积密度、表面积密度、比表面及平均自由程等。
- 推荐网络例句
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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.
47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。
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Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.
提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法,同时,采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。
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Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...
嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。