公开(公告)号：US3899129A

公开(公告)日：1975-08-12

申请号：US46133974

申请日：1974-04-16

Applicant: US INTERIOR

Inventor： FUKUTA NORIKIKO ,  PAIK YOUNG H

IPC: A01G15/00 ,  E01H13/00

CPC classification number: A01G15/00

Abstract: Ice-nuclei smoke particles are produced through contact of an organic ice-nuclei compound with superheated steam under pressure, followed by internal adiabatic and isentropic expansion using a supersonic nozzle.

Abstract translation: 通过有机冰核化合物与过热蒸汽在压力下接触产生冰核烟雾颗粒，然后使用超音速喷嘴进行内部绝热和等熵膨胀。