| 摘要 |
PCT No. PCT/SE95/00162 Sec. 371 Date Aug. 15, 1996 Sec. 102(e) Date Aug. 15, 1996 PCT Filed Feb. 16, 1995 PCT Pub. No. WO95/22747 PCT Pub. Date Aug. 24, 1995A method and a device for emitting small volumes of gas from a substance in condensed form to the surroundings at a controllable rate. The condensed substance is in a container which is in communication with the surroundings via a gas permeable membrane and a capillary. The geometry of the capillary determines the rate of emission of the gas to the surroundings. |
