Traditional methods for resistivity measurements of concrete have to use two plate electrodes at opposite sides of a prism specimen. The major drawback of such a method is that the electrodes can be easily detached from the specimen due to shrinkage of concrete. Thus the measurement of resistivity.....
[更多]
A variety of new mesogen-containing acetylenes are prepared and designed. A research team at the HKUST developed new catalyst systems for polymerizing the functional acetylene monomers and manufactured the novel liquid crystalline polyacetylenes. In this new invention, the new side-chain liquid cr.....
[更多]
The importance of video technology is constantly growing with the ever-increasing use of television and video systems in consumer, commercial, medical and scientific applications. Video coding performance is becoming more and more important but the presence of noise, usually introduced by capture de.....
[更多]
This invention belongs to the area of medicinal and health products. The invention provides a traditional Chinese medicinal formula and its preparation methods for treating and preventing menopausal symptoms and osteoporosis. The formula is prepared by boiling Radix Angelica Sinensis, Radix Astragal.....
[更多]
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]
| |< <- | [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] | -> >| |
