After setting, the surfaces of the specimens are ground down using carborundum and alumina.凝固之后, 样品表面连续用金钢砂或氧化铝磨平.Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams.常用...
其他可用的固定剂有苯偶姻或安息香等含油树脂.Other fixatives which may be used include the oleoresins such as benzoin, or styrax.研究了微波辐射下干法氧化苯偶姻生成苯偶酰的反应.Dry oxidation of benzoin with air under microwave irradiation gave benzil in excellent yie...