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足迹化学提取法
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足迹化学提取法
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chemical extraction
足迹化学提取法
利用足迹中的物质成分与相关化学试剂中某些成分相互作用原理,产生化学反应生成有颜色的化合物或荧光物质,使得痕迹显色,增强与承痕客体表面的颜色反差,从而显现足迹的痕迹形态,再利用照相法对足迹等痕迹进行拍照固定的提取方法。
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fuel available of aircraft
fuel boiler swap oil accident
fuel boost pumps
fuel breeding
fuel burn up
fuel burn-up
fuel cell
fuel cell ceramics
Fuel Cell Combined Cycle
fuel cell controls module
fuel cell efficiency
fuel cell management system
fuel cell plate
fuel cells
fuel cell stack
fuel cell system
fuel cell vehicle
fuel cladding
fuel coal
fuel consumption access of road transport vehicle
fuel consumption measuring instrument
fuel consumption of aircraft
fuel consumption rate
fuel control combustion
fuel coolant interaction
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