查询词典 field density

Wet lung disease of neonatal ; Spiral CT ; Lung mean density ; Diagnosis

新生儿湿肺症；螺旋CT ；肺平均密度值；诊断

Results: Before surgery, the mean corneal endothelial cell density was （2 828±400） mm－2, and the percentage of hexagonal cells was （62±6）% in central cornea.

结果：术前中央角膜内皮细胞密度平均为(2 828±400) mm－2，六边形细胞百分率为（62±6）％。

The physical appearance, mean diameter and GL density of VACV-BSA-NP-GL was stable in 25℃ and 37 ℃ respectively during 10d.

对Cal-BSA-NP-GL的制备工艺及药剂学特性进行了初步研究，测定其载药量为5.83μg／mgBSA，平均粒径为77nm。

Results show that when the scattering mean free path is close to the wavelength, the optical fields are localized obviously in the random media. And with the particle filling density increasing, the localization becomes stronger.

结果表明：当散射颗粒的散射平均自由程与波长相当时，随机介质中的光场分布呈现局域化的特征，而且随着颗粒填充密度增大，光场的局域化程度增强。

For example, at atmospheric pressure, the electron density and temperature, two of the most important plasma parameters, cannot be measured by the Langmuir probe because the electron mean free path is shorter than the Debye distance.

例如，在大气压下，由于电子的平均自由程比徳拜长度要短，因此两个最主要的等离子体参数：电子密度和电子温度就不能用朗缪探针来测得。

Methods: By the transmission electron, image-manipulation system, the proportional volume, mean diameter and numerical density of the atrial specific granules were studied.

采用透射电镜，高清晰彩色图像分析系统对大鼠心肌细胞心房特殊颗粒的体密度、数密度及颗粒平均直径进行数据处理。

Based on the model of stiffened plates with concentrated added mass, a study of the stochastic vibration was carried out, and system's mean value, mean square value, cross-correlation function, cross-spectral density function were calculated.

从带有附加集中质量加肋板的力学简化模型出发，推导给出了该模型的随机功率谱密度，并分析了系统随机振动响应的其他统计数字特征：均值、均方值、互相关函数和协功率谱密度。

The power spectrum density and mean square value of acceleration at every output position including the driver's seat are computed by means of solving the frequency response function, so as to show the changes of vibration magnitude through parameter-transformation.

在计算中除考虑了多点输入的自谱及前后轮之间的互谱外，还根据有关路面资料考虑了左右轮之间的互谱。结合乘坐舒适性研究，绘出了座椅振动量随各参数变化的一些规律，可为今后设计工作参考。

It obtained analytic expression or arithmetic solution of the mean value, the mean square value, the related function and the spectral density function of heat conduction system of 0-D, 1-D, 2-D and 3-D, by applying stochastically theory of linear system and the results of the first part.

该部分利用线性系统的随机理论和第一部分的成果，获得了0维、1维、2维和3维导热系统均值、均方值、相关函数、谱密度函数的解析表达式或数值解。

Through simulation, the size of the filter template affecting on filtering imaging is investigated, the filtering effects of second mean filtering method and vector filtering method at the same size of filter template is comparised, the curve distribution of power spectral density of second mean filtering method and vector filtering method is analyzed.

仿真实验研究了滤波模板的大小对滤波效果的影响，比较了在同样模板的选取下向量滤波方法与二次均值滤波法的滤波效果，分析了向量滤波方法与二次均值滤波法的功率谱密度分布。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。