An Apparatus Is Used With A Drilling Assembly For Drilling A Borehole. The Drilling Assembly Has An Impact Device Linked To A Drill Head. The Impact Device Is Powered By A First Fluid Under A First Pressure To Impart A Percussive Force To The Drill Head. The Percussive Force Is A Function Of The Fir.....
[更多]
A Method For Producing The High-Value Ketocarotenoid Astaxanthin By The Green Microalga Chlorella Zofingiensis In Dark-Heterotrophic Cultures Shows Excellent Growth And High-Yield Astaxanthin Production On Glucose-Supplemented Media In The Dark. The Specific Growth Rate And Astaxanthin Yield Can Be .....
[更多]
Enables the use of macro-scale dextrous manipulation techniques with simple mechanisms to reorient and position parts.Uses Coloumb friction to control part sticking and sliding.
[更多]
University researchers have invented a method for automatic, real-time face detection and expression recognition that is robust for unconstrained situations such as free human motion, varied facial expressions, and many.....
[更多]
|< <- | [1] [2] [3] [4] [5] [6] | -> >| |