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文件材料检验
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文件材料检验
Encyclopedia
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materials examination of document
文件材料检验
运用理化检验方法,通过对文件材料的理化特性、结构形态等进行定性与定量分析,鉴别其种类、成分,确定其与已知样本是否相同或同一的专门技术。文件材料是指制作文件的各种物质材料,包括纸张、黏合剂、墨水、墨粉、油墨和书写、打印、印刷工具等。
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soil testing and fertilizer recommendation
soil texture
soil thermoluminescence survey
soil thermometer
soil thixotropy
soil three phases
soil tillage
Soil & Tillage Research
soil tilth
soil total nitrogen analysis
soil trace elements
soil transcriptomics
soil treatment method
soil types of China (soil genetic classification)
soil unsaturated hydraulic conductivity
soil vapor extraction
soil vertical pattern in China
soil virus
soil void
soil washing
soil washing process
soil water
soil water characteristic curve
soil water condition
soil water constant
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