EPR method is consistent with the acid etching test.
EPR法 与草酸电解浸蚀试验结果相吻合.
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Acid etching result shows that the crystal has regional single domain structure.
酸腐蚀结果表明,晶体具有区域性单畴结构.
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Process: acid etching and recycling of liquid copper recovery equipment.
工艺流程: 酸性蚀刻液再生循环利用及铜回收设备.
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