英汉词典

1.Slices from the top, bottom, sides and bulk of each specimen were examined by methanol exchange, quantitative determination of coarse and fine aggregate and backscattered electron imaging in the SEM.

分别从每个样条的顶部、底部、侧面和本体取样，通过甲醇交换，粗细集料的定量测定和在SEM中的背散射电子成像对试样进行检测。

2.Techniques to be discussed are wavelength and energy dispersive spectrometry, scanning backscattered electron, secondary electron, cathodoluminescence, and X-ray imaging.

将要讨论的技术包括：波长和能量色散谱，扫描背散射电子，二次电子，阴极射线磷光和X射线成像。

3.The purpose of this paper is to study a kind of noninvasive temperature measure method, which based on shifts in echo location of backscattered ultrasound from heated tissue.

设计了实验系统，研究了生物组织超声回波时移与其温度的相关关系，以期利用这种相关性实现热疗中组织温度的无创检测。

4.The paper applies AR cepstrum to process the backscattered signals of pig liver in vitro, and the mean spacing of hepatic lobules has been estimated.

对牛胫骨和人离体跟骨松质骨中的超声背散射信号采用AR倒谱法进行了分析，并估计了牛胫骨和人离体跟骨中骨小梁的平均间距。

5.By using the Monte Carlo method, we calculate the spatial resolution of the scanning electron microscope using low loss energy and coaxial backscattered electrons.

用蒙特卡罗方法模拟计算了利用高能同轴背散射电子的扫描电子显微镜的空间分辨率。

6.A radioactive source is used to bombard the rocks surrounding the wellbore with gamma rays. By counting the backscattered gamma rays, the density of the subsurface rock can be computed.

利用放射性源的伽马射线轰击井眼周围的岩石，通过对反散射伽马射线计数，可以计算出地下岩石的密度。

7.Because the image of backscattered electron could reveal structure of the mark as well as the surface, we chose the backscattered electron signal to detect the position of the mark.

由于背散射电子信号的图像既可以显示样品的形貌也可以显示样品的成分所以选择背散射电子信号进行标记位置检测。

8.Using this formula, the backscattered RGS of rectangular conducting flat plates coated with lossy dielectric is computed. The results computed here are in fair agreement with the experimental values.

计算了涂覆有耗介质的矩形导体平板的后向雷达散射截面，计算结果与测量值一致。

9.Ultrasonic backscattered signals can provide useful information about tissue microstructures.

超声背散射信号能提供反映组织微结构的有用信息。