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.
You can set your printer to print in grayscale mode to use only the black ink to produce the text and images on your printouts. To select the grayscale printing option, please follow these steps: 1. Click / Select 'START' from the bottom left of the Windows screen, then select DEVICES AND PRINTERS. 2.