نتایج جستجو برای: scanning electron microscope
تعداد نتایج: 431395 فیلتر نتایج به سال:
The morphology of red cells damaged by 2-aminoethylisothiouronium bromide (AET) has been compared to that of PNH cells by transmission and scanning electron microscopy. The main features of the effect of AET as demonstrated by the scanning electron microscope were spherical and deformed cells, with surface craters and relatively large pits. The transmission electron microscope revealed loss of ...
Mechanisms responsible for the contrast between differently doped areas in semiconductors, which is observed in electron micrographs, is discussed as regards the key factors determining the sign and magnitude of the contrast. Experimental data obtained by means of the scanning electron microscope (SEM), scanning low energy electron microscope and photoelectron emission microscope are reviewed t...
چکیده ندارد.
Dental wear can be differentiated into different types on the basis of morphological and etiological factors. The present research was carried out on twelve extracted human teeth with dental wear (three teeth showing each type of wear: erosion, attrition, abrasion, and abfraction) studied by scanning electron microscopy (SEM). The study aimed, through analysis of the macro- and micromorphologic...
The authors present the first results obtained with their multibeam scanning electron microscope. For the first time, they were able to image 196 array of 14 14 focused beams of a multielectron beam source on a specimen using single beam scanning electron microscope SEM optics. The system consists of an FEI Novanano 200 SEM optics column equipped with a multielectron beam source module. The sou...
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