【摘要】 <正> 一、前言油漆碎块及蹭在布上的微量油漆对于蹓门撬锁、车祸、偷车这类案件往往能起到“证据”的作用。中子活化分析能分析0.01 mg的油漆碎块,方法的灵敏度高、多元素分析同时进行、样品不破坏、准确度高、干扰少、检材易处理。更多还原

【Abstract】 Methods for element concentration analysis of NAA and comparison betweenthe paint smears on cloth and paint fragments are introduced.Reduction to absurdityand statistic calculation are used to negate the suspected paint.Calculation steps aregiven and illustrated.更多还原