三井物产公司在日本开始征集参加西德 Introspace 公司1988年10月进行的蛋白质结晶生长实验的企业。这项实验所用的装置是西德 Introspace 公司独自开发的,将搭载在中国发射的回收型卫星的空余空间进行实验。是在卫星留在无重力的轨道上的5～8日间进行结晶生长实验。费用每个样品约1000万日元。三井物产公司在11月末结束在日本的征集,并预定 Mitsui & Co., Ltd. began collecting Japanese companies participating in the protein crystal growth experiment conducted by Introspace in October 1988 in Japan. The device used in this experiment was independently developed by Introspace of West Germany and will be carried on the free space of a recovery satellite launched in China. The crystal growth experiments were conducted between 5 and 8 days while the satellites were on a gravity-free orbit. The cost is approximately 10 million yen per sample. Mitsui & Co., Ltd. concluded its solicitation in Japan at the end of November and scheduled