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.
Xerox Phaser monochrome and color printers are known for fast print speeds and high print quality in a compact footprint for small and mid-sized work teams. Xerox ColorQube Solid Ink color printers bring rich, vibrant colors to the printed page. Cartridge-free Solid Ink also offers high environmental responsibility and low total cost of ownership with a very affordable cost per page.