查询词典 atomic density

Supposeis two-dimension random variable, is unity density function and marginal density function leave each other, then sufficient and necessary condition for independence of and is: for all real values ,there are .

Theorem 3.3 设是二维连续型随机变量，分别是联合密度函数与边缘密度函数，则相互独立的充要条件是：对任意的实数，都有。

In PS ALT, we obtain the Bayesian estimation of each parameter and marginal posterior density when the prior density of shape parameter is continuous using Laplace method under CE model.

在序加试验下，对于逆幂律模型，给出了参数的Bayes统计分析，并利用Laplace方法解决了分布的形状参数取为连续先验时各参数的Bayes估计和参数后验边际密度。

An extremely high temperature of anode humidification is also unreasonable; as a result, when the current density is high, the liquid water should be injected directly into anode gas channel to guarantee both high inlet H〓 concentration and well-humidified membrane. 4. The utilization of Pt in the cathode catalyst layer will decrease with the increasing current density; as a result, based on the principle of maximal Pt utilization, the catalyst layer can be designed much thinner or not uniformly in the catalyst distribution.

而在此截面上，交指型流场燃料电池阳极侧的液态水饱和度的极值位置并不确定；在电池阴极处，液态水饱和度的极值总是出现在z=0.002m处的气体扩散层和膜的界面上，并且该处的液态水饱和度沿x方向存在一个最大值，与此相应的氧气的质量浓度分数在该处达到极小值，因此极限电流密度将首相出现该处，但总体来说液态水饱和度沿x方向的分布较为均匀。4。

Experimental results (Mayhew, 1992) show that the overall density of the screen should not exceed 40%, whereas local density within groupings shouldn't exceed 62%.

实验结果（Mayhew，1992）表明空白的版面比例不能超过40％，相反的，内容占据的比例不应超过62％。

The most sensitive analysis parameter is the mean density and the highest frequency density.

晶体图像分析系统的分析指标以平均灰度和最高频率灰度最敏感。

The mean baseline low density lipoprotein cholesterol dropped by 53.2%, and mean high density lipoprotein cholesterol increased by 14.7%.

平均基线低密度脂蛋白胆固醇下降了53.2%，平均高密度脂蛋白升高了14.7%。

By using image disposal and analysis system, the number density and mean light density were assessed.

应用数理统计软件SPSS 10.0for windows进行统计学分析。

In accordance with the mean bone mineral density lower than 25% of the standard model group has two parts to achieve an average bone mineral density in osteoporosis standards,show that the model is successful.

按照骨密度均数低于假手术组25%的标准，则模型组两个部位的平均骨密度已达到骨质疏松症的标准，表明造模是成功的。

Objective To investigate the change of the density and function of melanocyte in human skin autografts and normal skin, elucide the effect of change of melanocyte density in hyperpigmented process of skin autografts.

目的：通过对自体移植皮片中黑素细胞密度和功能变化的测定，进一步认识黑素细胞密度变化在自体移植皮片过度色素沉着中的作用。

The density on the leeward slope is the smallest, closing to the minimum dry density of this sample.

线性沙丘上，则是沙丘脊部沙土的密度最大，接近该类沙丘沙样最大干密度，两腰部密度较小。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044