The Internet has been a widely-adopted means of media distribution in these days especially after the introduction of MPEG file format. To gain control over listeners', on-line suppliers of music files use authentication schemes to control listeners' access and access mode. Such arrangements requir.....
[更多]
A Fixation Device For Internally Or Externally Fixing Fractures Comprising At Least One Nitinol Wire Having An S-Shaped Section And Two Ends Wherein Each Of Said Two Ends Forms A Hook For Hooking Into A Bone Section Of A Fractured Bone. This Device Can Be Made From Nitinol Which Has A Transformation.....
[更多]
This novel plasma immersion ion implantation technology is performed in a low pressure steady state direct current and long-pulse mode, with the help of a grounded / biased conducting grid positioned between the wafer stage and plasma source.
[更多]
| |<首頁 <-上一頁 下一頁-> 末頁>| |
