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matrix modifier
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matrix modifier
Encyclopedia
理学
【试剂和试样】
释
matrix modifier
基体改进剂
在原子吸收光谱法分析中，为改善样品基体影响被测元素物理化学特性和行为而加入的化学试剂。又称化学改进剂。加入化学试剂后能改善或消除基体效应，最大程度地增大样品溶液中基体组分和待测元素的挥发性差异，进而借助合理的程序升温条件来消除或减小基体干扰，获得准确的测定结果。
Chemistry
＞分析化学＞仪器分析＞释义
matrix modifier
基体改进剂
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ground state
ground state degeneracy polymer semiconductor
ground-state depletion effect
ground state depletion microscope
ground state energy
ground state of atom
ground state rotational band
ground state spontaneous fission
ground-state spontaneous fission
ground station
ground-structure method
ground subsidence induced by dewatering of foundation pit engineering
ground subsidence survey
ground substance
ground support equipment
ground support vehicle
ground tea
ground term
ground test and launch control system
ground test for separation system under thermal circumstance
ground test of airborne weapon fire control system
ground timing system
ground tissue
ground treatment
ground treatment in mountain area
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