quartz stopcock
... quartz still 石英蒸镏器 quartz stopcock 石英管塞 quartz textile 石英纤维织物 ...
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石英管塞O型圈 O RING
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本文研究了塞曼型缝式石英管原子捕集器的结构、制作、灵敏度以及在测定矿石中金的应用。
The structure, manufacture and sensitivity of slotted quartz tube atom trapping techniques in polarized Zeeman atomic absorption spectrophotometry were described in this paper.
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