TEM (a, b, and c) images of prepared mesoporous silica nanoparticles with mean outer diameter: (a) 20nm, (b) 45nm, and (c) 80nm. SEM (d) image corresponding to (b). The insets are a high magnification of mesoporous silica particle.
The Definition of a Monochrome Laser Printer. Monochrome laser printers are machines that print text and images from computers by using a laser beam to control where a single color is applied to paper. They're often faster than other types of printers and can generally produce large numbers of black-and-white documents cheaper than other printers.
Whether you are looking for the best multifunction color laser printer, the best monochrome laser printer, or another kind of laser, our expert reviews and printer ratings will help you choose. See hands-on reviews of our current 10 top laser printers below.Read the review.hether you are looking for the best multifunction color laser printer, the best monochrome laser printer, or another kind of laser, our expert reviews and printer ratings will help you choose. See hands-on reviews of our current 10 top laser printers below. Read the review.