Described are novel platinum (II) containing organometallic materials. These materials show green to orange emissions with high emission quantum efficiencies. Using the materials as emitting materials; pure green emitting organic light-emitting diodes can be fabricated. Since the novel platinum (II).....
[更多]
Bridges ( 10, 12, 14 ) Are Used To Interconnect Local Area Networks Transparently. In The Ieee 802.1D Standard For Bridges, A Spanning Tree Is Built Among The Bridges For Loop-Free Frame Forwarding (<Figref Idref="Drawings">Fig. 10</Figref>). Although This Approach Is Simple, I.....
[更多]
An AC to AC power conversion apparatus with constant power feeding characteristics to fluorescent lamp or HID lamp is described. The constant power characteristic is achieved by discontinuous mode operation of capacitor coupled in series with the load. Packets of energy are pumped out to the load in.....
[更多]
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]
Genetically modified Aspergillus strains having improved growth on xylose.
[更多]
| |< <- | [69] [70] [71] [72] [73] [74] [75] [76] [77] [78] [79] | -> >| |
