查询词典 average density

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。

The distribution in discharge space,time change of electric field intensity,electron and ion density and the current density are calculated.

分别计算和分析了介质阻挡放电中电场、带电粒子浓度以及电流密度在放电空间的分布和随时间的演变过程。

When work with secondary batteries, it can be used as electromotion automobile power system, enhance power density and energy density of rechargeable batteries.

利用超级电容器和电池组成混合动力系统，能够很好的满足电动汽车高功率密度输出场合的需要。

The steps of software development are: at first, link the database and auto-count the volume and the density of each encasement then sort descending the encasement according to the density.

软件的实现步骤为：首先连接数据库并据密度贪婪算法自动计算每件货物的体积、密度，然后将货物记录按密度降序排序。

2 Shots of impact experiments are conducted to measure the Hugoniot curve of enstatite, together with the experimental data of McQueen and Watt, two branches are found on the Hugoniot line of enstatite′s high pressure phase(above 50GPa), they provide information of enstatite to different phases-the higher density phase and the lower density phase.

对顽火辉石样品做了两发Hugoniot数据的补充测量。把这两发数据与过去McQueen等人和Watt等人发表的实验数据综合在一起看出，顽火辉石的高压相(在高于50GPa区)在Hugoniot线上出现两个分支，一支对应于较高密度的相态，一支对应于较低密度的相态。

On the basis of the image correlation and the nonparametric kernel density estimation, kernel density functions of background and foreground were built., Bayesian theory was used to estimate the prior probabilities of the foreground and the background, so an estimative threshold was obtained and the classification of the background and the foreground was realized.

首先，在图像相关性的基础上，利用非参数核密度估计的方法，建立前景和背景的核密度函数，再利用贝叶斯理论，估计出背景和前景的先验概率，两者相结合得到一个估计的阈值，从而实现目标和背景的分类。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。