petrographic microscope

基本解釋

The internal structure of abrasive grains and their fragmentized sections are investigated by means of petrographic analysis and a scanning electron microscope.
本文用巖相分析和掃描電鏡手段對(duì)破碎後的磨料內(nèi)部結(jié)搆和裂麪形貌進(jìn)行了分析，把裂麪形貌區(qū)分爲(wèi)五種類型。
Currently, the major equipment of coal petrographic analysis is microscope photometer which is composed by the microscope and spectrophotometer microscope photometer.
目前，用於鍊焦的煤巖分析主要是由顯微鏡和分光光度計(jì)組成的顯微光度計(jì)來(lái)實(shí)現(xiàn)的。