Electrorheological(ER) fluids are of high interest because potentially they can provide simple, quiet, and fast interfaces between electrical controls and mechanical systems. However, a problem with ER fluids to date is that the yield strength is too low for many practical applications. The main dra.....
[更多]
Vehicles and factories produce a lot of air pollutant everyday. Environmental sensors for hazardous substances in the air such volatile organic compounds (VOCs) are gaining its importance in this modern society. In this invention, a series of new linear and cyclic pi-conjugated organic compounds (po.....
[更多]
Fritillaria (Beimu) is one of the important traditional Chinese herbal medicines commonly used as antitussive and expectorant. There are about 25 species and varieties of Beimu on commercial markets. The price, efficacy and toxicity of Beimu vary with the species. However, the identification of the .....
[更多]
Lighting device
[更多]
A method for performing ultrasound imaging and elasticity measurement, the method includes scanning an object to obtain a B-mode ultrasound image, selecting an A-mode signal from the B-mode ultrasound image, transmitting a high frame rate ultrasound signal, by a selected group of ultrasound transduc.....
[更多]
|< <- | [193] [194] [195] [196] [197] [198] [199] [200] [201] [202] [203] | -> >| |