Isori伊索里ISOabbr.国际标准化组织(=International Standards Organization)isotopic characteristics同位素特征isoplanar bipolar memory等平面双极存储器isometric orthogonal net等距正交网isopycnic centrifugation等密度离心isopropanol deasphalting异丙醇脱沥青isotactic polymerization全同立构聚合isochronous transmission等时传输isopropyl-thioxanthone异丙基硫杂蒽酮isotonic saline solution等渗盐水isoelecrtic condensation等电凝聚