查询词典 probability density function

Now that sells on the market the aroma of individual milk products beyond the normal milk flavor because the density and add in the machining process (dextrin and powder density etc.) and the taste of essence chemical composition.

现在市场上出售的个别牛奶产品之所以浓香，超出了正常牛奶的密度和味道，是因为在加工过程中添加了高密度物质和增味的香精化学成分。

The results indicate that the heat transfer coefficient increase about fourteen percent between the bed and the wall and the one between the gas and horizontal tube increase about twenty two percent, it means pulsating promote heat transfer, Desulfurizing Characters Experimental Research on Pulsating Fluidized Bed With different initial SO_2 density, mean diametric of the calcium oxide and combustion temperature, the experimental results of desulfurization with pulsating or not indicate that the desulfurizing characters of the Rijke type self-exciting pulsating fluidized bed are the same with the conventional fluidized bed combustor, it is that the utilization ratio of the calcium oxide increasing with the initial SO_2 density, the desulfurizing combustion temperature has the best value and the utilization ratio of the calcium oxide reducing with the mean diametric of the calcium oxide.

脉动流化床脱硫特性实验研究对不同初始SO_2浓度、不同初始脱硫剂颗粒平均直径、不同燃烧区温度条件下脉动与非脉动状态下流化床内的脱硫实验研究表明，Rijke型自激式脉动流化床具有类似于常规流化床燃烧器的脱硫特性：固硫剂的CaO利用率随初始SO_2浓度的增加而增加，脱硫燃烧温度存在最佳值，以及CaO利用率随脱硫剂颗粒平均直径的增加而减小。

Both theoretical and experimental results show that compaction properties and heating rates do not alter this linear relation, but influence the slope of the linear relation, and therefore it is concluded that large dihedral angle, high green density, narrow particle and pore size distributions are beneficial to the achievement of the grain size-density trajectory with promoted densification and minimized grain growth.

理论分析和实验结果表明，成型体性质不改变这一线性关系，但可以改变直线的斜率，而升温速率对直线斜率的影响不大。较大的二面角、较高的素坯密度、较窄的颗粒和气孔尺寸分布有利于获得较小的晶粒生长和较高的烧结密度。

At first, we introduce in detail relativistic mean-field theory, where a common Lagrangian density is presented. Starting with this Lagrangian density, we can obtain the Dirac equation and Klein-Gordon equations for nucleon and meson field by using Euler-Lagrangian equation.

本文首先详细介绍了相对论平均场理论的一些公式推导，给出了常用的一般的相对论平均场的拉格朗日量，从这个拉氏量出发，利用Euler-Lagrange方程就可导出核子与介子场的运动方程。

Because it is necessary for wind speed estimation to consider the variation of air density, a method to implement air density estimation by discrete sampling of the state of DFIG is proposed.

准确的风速估计必须考虑空气密度的变化，给出通过对风机状态的离散采样实现空气密度估计的方法，利用修正后的空气密度对风速进行更为准确的估计，从而得到最优的转速设定，实现风能的最大捕获。

ERPs were recorded using oddball paradigm. In both high risk groups, P300 was reduced as compared to their sex/age matched normal controls. Reduction of P300 cortical current density was observed in temporal region with left dominancy in SPD subjects. The siblings of schizophrenia showed reduction of P300 cortical current density in the right frontal region.

与性别 /年龄相匹配的正常人群相比，这两组高危人群的 P300 减少，分裂型人格障碍人群的左侧优势半球颞区的 P300 皮层电流密度减少，而分裂症同胞则右侧额叶区 P300 皮层电流密度减少。

Double Density Dual-Tree Complex Wavelet Transform integrates the advantages of double density wavelet, dual tree wavelet and complex wavelet. It has translation invariability and improved directionality. When it is introduced to image fusion, the characteristics of original images are extracted better and more information for fusion is obtained.

摘要双密度双树复数小波变换综合了双密度小波、双树小波和复数小波的优点，具有平移不变性以及良好的方向性，将其引入图像融合能够更好地提取原始图像的特征，为融合图像提供更多的信息。

As a promising energy storage element, Electric Double Layer Capacitor has thevirtues of both high energy density of battery and high power density of electrolytic capacitor.Moreover, it has long cycle life, high storage efficiency, sound temperature adaptability andenvironmental character.

双电层超级电容器兼具蓄电池能量密度大和电解电容器功率密度大的优点，循环寿命长、储能效率高、充放电速度快、高低温性能好、环境友好，具有卓越的储能潜力。

A type of logging-while-drilling density log in which the density is measured at different azimuths around the drill collar.

一种随钻密度测井，测量钻铤周围不同方位的密度。

Similarly, the cotton root-length density reduced gradually from the root axis to both sides of it, and the maximal length density of root was observed at the position of root axis in soil and was diminished by increased dripper discharge.

水平方向上，棉花根长密度由根轴向两边逐渐减小，而且根轴处的根长占总根长比率随滴头流量的增大而变小。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。