The present invention relates to nano-emulsions and powders wool, their preparation and use. In order to provide a simple and nano wool preparation of emulsions and powders, the present invention provides: a base catalyzed hydrolysis of treatment of wool, the protein emulsion was prepared, its furth.....
[更多]
A railway monitoring system firstly includes an optical fiber. A first part of the fiber is attachable to one of a pair of tracks of a rail, and a characteristic of the first part of the fiber is variable in correspondence to variance of a characteristic of said one track where the first part of fib.....
[更多]
The invention discloses a reactive power compensator, aiming at solving the problem of weak power factor in a power distribution system, which comprises: a DC capacitor used for imitating an AC capacitor or a reactor to generate reactive power compensation current; a solid-state switch and a high-fr.....
[更多]
| |<首頁 <-上一頁 下一頁-> 末頁>| |
