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.

分別從每個(gè)樣條的頂部、底部、側(cè)面和本體取樣，通過甲醇交換，粗細(xì)集料的定量測(cè)定和在SEM中的背散射電子成像對(duì)試樣進(jìn)行檢測(cè)。

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

將要討論的技術(shù)包括：波長和能量色散譜，掃描背散射電子，二次電子，陰極射線磷光和X射線成像。

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.

設(shè)計(jì)了實(shí)驗(yàn)系統(tǒng)，研究了生物組織超聲回波時(shí)移與其溫度的相關(guān)關(guān)系，以期利用這種相關(guān)性實(shí)現(xiàn)熱療中組織溫度的無創(chuàng)檢測(cè)。

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.

對(duì)牛脛骨和人離體跟骨松質(zhì)骨中的超聲背散射信號(hào)采用AR倒譜法進(jìn)行了分析，并估計(jì)了牛脛骨和人離體跟骨中骨小梁的平均間距。

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.

用蒙特卡羅方法模擬計(jì)算了利用高能同軸背散射電子的掃描電子顯微鏡的空間分辨率。

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.

利用放射性源的伽馬射線轟擊井眼周圍的巖石，通過對(duì)反散射伽馬射線計(jì)數(shù)，可以計(jì)算出地下巖石的密度。

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.

由于背散射電子信號(hào)的圖像既可以顯示樣品的形貌也可以顯示樣品的成分所以選擇背散射電子信號(hào)進(jìn)行標(biāo)記位置檢測(cè)。

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.

計(jì)算了涂覆有耗介質(zhì)的矩形導(dǎo)體平板的后向雷達(dá)散射截面，計(jì)算結(jié)果與測(cè)量值一致。

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

超聲背散射信號(hào)能提供反映組織微結(jié)構(gòu)的有用信息。