| 000 | 00712 a2200241 4500 | ||
|---|---|---|---|
| 001 | 281064 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLNASA TP 2622 : 1986 | ||
| 245 | _aSecondary-electron-emission losses in multistage depressed collectors and traveling-wave-tube efficiency improvements with carbon collector electrode surfaces | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bNational Aeronautics and Space Administration | ||
| 260 | _c1986 | ||
| 300 | _a23 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aNASA TP 2622 : 1986 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTravelling-wave tube, Multistage depresseed collector, Graphite electrodes, Secondary-electron emission | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c240486 _d240486 |
||