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俄罗斯某研究设计院推出了一个高投入高收益的高技术新产品开发项目。 项目名称 以非放射性稳定同位素锇187为基的票证防伪标记材料。 研发目的 开发以稳定同位素锇187为基的票证综合防伪系统及票证标记的无损检验手段，检验可能出现的假票证和伪造票证。选择锇187的原因有三
A research and design institute in Russia introduced a high-tech and new-product development project with high input and high yield. Project Name Non-radioactive stable isotope osmium 187-based ticket security tagging material. R & D Objective To develop a comprehensive anti-counterfeiting system based on stable isotope osmium 187 and a non-destructive testing method for ticket marking to test possible fake tickets and forged tickets. There are three reasons to choose osmium 187