efficiency of dye-sensitized solar cells. In this topical review, results taken from a systematic study are presented from

the authors’ own lab examining how protic and aprotic solvents, as well as solvent polarity, a…[더 보기]

by incorporating solid particles of varying size into gels. It has been found that colonies will form on glass fibrils 500 μ

in length, but not in the presence of silica fragme…[더 보기]

drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit

is a rotating apparatus that usually consists of two or three cones made up of the hardest of materials (usually steel,

tungsten carbide, and/or synthetic or…[더 보기]

surfaces for roads, pathways, and courtyards. There is nothing more elegant than a driveway, walkway, or patio paved with

brick. Although concrete pavers are somewhat harder and more durable than clay brick, classic brick…[더 보기]

abrasive cutting-off process is applied when requiring precision cutting and productivity at a moderate price. Cut-off tools

are discs composed of small abrasive particles embedded in a

bonding material, called the…[더 보기]

living room. If you’ve got kids who get touchy with electronics that they shouldn’t be putting their hands on, an out-of-

reach TV will keep gooey prints off your new OLED screen. In terms of visual charm, mounting a TV is a staple of modern

home decor. It’s aesthetically pleas…[더 보기]

nearly every research project depends on one or more of such technologies. As fundamental elements of research, general lab

equipment must also be efficient. “Energy efficiency in laboratory equipment is extremely imp…[더 보기]

restaurant. And while you may be resigned to telling time with your phone, there’s still a chance for your kid to

get a kick out of an old-school analog watch. Kids watches are not

only a very cool accessory (and one with a…[더 보기]