In this paper, the method, step and requirement to determine gold and silver content of gold-bearing quartz by fire assay are described.
本文说明了用火试金法测定金块矿中金和银量的方法、步骤。
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Methods Telomerase activity was examined in 37 brain tumor tissues and 4 normal human brain tissues by telomeric repeat amplification protocol (TRAP) assay and silver staining.
方法采用TRAP -银染法检测了37例脑肿瘤组织和4例正常脑组织中的端粒酶活性。
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Objective:To assay and compare the in vitro antibacterial activities of silver nitrate eye drops and povidone-iodine eye drops, both of which are used for prevention of neonatal ophthalmia.