| 000 | 00830cab a2200241 4500 | ||
|---|---|---|---|
| 001 | ABS57091 | ||
| 008 | 090401t1997 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u79198 | ||
| 041 | _aeng | ||
| 100 | _aCook, A. | ||
| 245 | 4 | _aThe sound of silence | |
| 260 | _c1997 | ||
| 350 | _a0 | ||
| 490 |
_aBuilding _v262(7995) 20 June 1997, 42-43(2) |
||
| 520 | _aExamines how the idea of anti-noise, inverted sound waves that cancel out noise, can be applied to air conditioning systems to reduce their noise levels. | ||
| 650 | _aBUILT ENVIRONMENT-BUILDING ELEMENTS-COMPLETE BUILDING SERVICES ELEMENTS-COMPLETE HEATING, VENTILATION AND AIR CONDITIONING SYSTEMS | ||
| 650 | _aANTI-NOISE | ||
| 650 | _aNOISE INSULATION | ||
| 650 | _aNOISE LEVELS | ||
| 690 |
_aBlock management _96220 |
||
| 942 | _n0 | ||
| 948 | _c25/06/1997 | ||
| 999 |
_c49788 _d49788 |
||