The invention provides a fluid buffer with adjustable damping coefficient, it includes: cylinder tank which has a placing space, the placing space is filled with fluid; piston which is equipped with piston head moving in the placing space and the piston bar extending from the piston head to two ends.....
[Detail]
An ultrasonic transducer driver has a giant magnetostrictive element, a fastener for holding the giant magnetostrictive element under mechanical pressure, a first field generator for providing a magnetic bias field, a second field generator for providing a magnetic drive field and a magnetic circuit.....
[Detail]
The present invention relates to a pyridine carboxylic acid as a ligand for Oxo acid, acetic anhydride positive ions bimetallic catalysts. The catalyst is pyridine carboxylic acid ion activity center with Rh (I) the formation of chelate-type square planar cis-dicarbonyl ligand structure, pyridine ca.....
[Detail]
The invention discloses a gas burner for controlling mixing, comprising a burner body. The rear end surface of the burner body is provided with a mixed gas nozzle and a secondary air nozzle, and a gas channel and a primary air channel which are both communicated with the mixed gas nozzle are arrange.....
[Detail]
The present invention provides a simple and effective compensation for voltage transients of the reference signal generator, which consists of the relay, and the Butterworth filter, linking together, the input signal passes through the reference signal generator to generate a total low harmonic dist.....
[Detail]
| |< <- | [336] [337] [338] [339] [340] [341] [342] [343] [344] [345] [346] | -> >| |
