Flue gases produced in combustion processes, such as coal-fired power plants, automobiles, smelters, etc., contains huge amount of nitrogen and sulfur oxides, carbon monoxide and particulates. They contribute significantly to atmospheric pollution and some of them are stringently controlled by legis.....
[更多]
Optical limiting materials show a non-linear transmittance of light, with transmission varying with the intensity of the incident radiation. Transmission is high at normal intensity, but low for intensive beams. Such materials are useful to protect, inter alia, optical elements, sensors, or the huma.....
[更多]
The fabrication of functional nanoarchitectures with the desired dimensional structure is of great importance because of their unique optical, magnetic and catalytic properties and huge potential applications. Traditional photolithograph, more advanced soft-lithography and microfluidic are the curre.....
[更多]
This invention relates to a chemical entity isolated from natural sources for its therapeutic uses. More particularly, it relates to a compound that is naturally occurring in the plant of Garcinia esculenta and its biological activity of antitumor effects.
[更多]
After the outbreak of SARS and other airborne diseases happened recently in Hong Kong, awareness of public about the indoor air quality is aroused. Air purifier, air handling appliances like fan and air conditioner; as well as catalytic reaction to produce fine chemicals all related to the use of Si.....
[更多]
| |< <- | [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] | -> >| |
