... diaphragm photometer 光阑光度计 differential photometer 差动光度计 dispersion photometer 色散光度计 ...
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Based on the catalytic kinetics method, ultratrace gold in rocks, soil and natural water was determined using total differential photometer.
根据催化动力学方法，采用全差式光度计测定岩石、土壤及天然水中超痕量金。
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