孔径

Results It showed that this collagen sponge membrane was with well-distributed hole, in which bore diameter was 50~100 μm.

结果 构建的支架孔径均匀，孔径在50~100μm；具有良好的组织相容性，并逐渐降解。

Synthetic Aperture Radar; Motion Target Detector; Time domain sub-aperture

合成孔径雷达；运动目标检测和成像；时域子孔径

For side-looking IVUS, we propose a single-wire multi-element synthetic aperture system. In this way, we can decrease the number of connections by using multiplexer and synthetic aperture focusing technique, and do beam-forming using optimal filtering.

针对侧向视野之血管内超音波，我们提出单导线系统架构配合多通道合成孔径系统，利用多工器切换与合成孔径聚焦降低连接数，并利用最佳化滤波器做到波束聚焦之效果。

Vacuum impregnation method was developed, in which the molecular sieve SBA-15 with a pore size of 36 ran was selected according to the size of the hydrated form of POM.

与此相比，利用较小孔径的分子筛SBA一巧(7 。7nln)作为载体，采用同样方法组装时，由于孔径的限制，POM水合作用的影响，POM在孔道内以单分子的形式存在，难以在孔道内形成纳米晶体。

Mesoporous alumina represents a very interesting molecular sieve exhibiting a narrow pore size distribution and relatively large pore size compared with conventional alumina.

和传统的氧化铝相比，介孔氧化铝具有狭窄的孔径分布和较大的孔径。但作为固体酸催化剂，氧化铝表面的酸性不是很强。

The results indicated that the structure of the carbon membrane is micrometer scale. The N〓 permeation rate is 10〓～10〓cm〓/cm〓. s. cmHg.

Pa范围内。随着原料粒度的增大、成型压力的减小以及甲基纤维素用量的减少，微滤炭膜的孔径分布变宽，平均孔径及N〓透量增大。

The signal returned from sea surface is then computed by employing radar equation and synthetic processing to simulate sea surface echo wave.

然后根据雷达方程和合成孔径高度计的合成孔径处理计算了海面回波信号的矩阵，以便给出最终的功率回波。

In the process , concentrates on two sorts of Broad band mode discriminators TE0n, TE11 and TM0n (n=1,2,3 ,the research with many designs and simulations wholly includes the effect of the distributions of different radii and equal distance of holes , equal radii and equal or different distance of holes ; get important conclusions ; some discussions for the selection of the parameters and the influence on the bandwidth are brought out .

在研究中，以TE0n(n=1，2，3)， TE11和TM0n(n=1，2，3)两大类宽带模式识别器为重点，通过大量设计、模拟计算等，系统研究了不等孔径等间距，等孔径等间距或不等间距分布等对拓宽带宽等的作用并讨论了重要设计参数的选取和对带宽的影响，得出了一系列重要结论。

This thesis is dedicated to solve the key theoretical and technical problems for subaperture interferometric method.

本文主要任务就是要有效解决子孔径检测大口径光学系统关键理论和技术问题，进一步发展子孔径拼接检测技术。

Interferometric Synthetic Aperture Radar is one of the most important part in the field of Synthetic Aperture Radar.

合成孔径雷达干涉测量是合成孔径雷达领域诸多应用中的一个重要方面，能够全天候、全天时地提供高分辨率的雷达图像，是目前获取三维数字高程模型最有效的技术手段。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了