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 simple, highly flexible and scalable platform for making functional complex tissues with heterogeneity and irregularity is provided. The method includes combining undifferentiated cells, such as pluripotent or multipotent stem cells, with a biomaterial to make multiple undifferentiated or naïve su.....
[更多]
This contamination-free fluidic processor resembles a “magic” optical hand that navigate, fuse, pinch, and cleave fluids in lossfree manner. The processor levitates a wide range of fluids, including water, oil, and alcohol, atop nanostructures and uses lights as wand to move or split fluids without.....
[更多]
 |
 |
 |
An Automatic Bone Traction Device For Correction Bone Deformities Is Disclosed. The Automatic Bone Traction Device Can Include A Main Body, A Step Motor, A Series Of Transmission Gears, And Connectors. In One Implementation, The Step Motor Operates At A Speed Of Eight Steps Per Second, And The Serie.....
[更多]
Subject Matter Disclosed Herein Relates To Various Embodiments Of A Chemical Reaction-Type Metaheuristic. According To An Embodiment, Solutions To An Objective Function Can Be Determined By Iteratively Searching For A Minimum Energy State Of One Or More Interactions Of Molecules In A Chemical Reacti.....
[更多]
| |< <- | [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] | -> >| |
