hf acid
双语例句原声例句
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The specimen below is the result of sawing and multiple treatments with HF acid and waxing.
上边石块是含有金的石英原石。下边的标本是经过酸和蜡处理过的标本。
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The results showed that HF acid has remarkable deashing capacity for coal and graphite with high Si and low Ca content.
结果表明，HF酸对高硅低钙含量的煤和石墨有显著的脱灰效果；
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Constancy of chemical etch rate method was modified so as to reduce the influencing factors such as temperature and concentration of HF acid. The efficiency and accuracy are improved.
基于差动原理对HF酸恒定化学蚀刻速率法进行改进，以降低环境(温度、HF酸浓度等)变化对测量结果的影响，从而提高测量效率和测量准确性。
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HF And let's take an example, HF, hydrofluoric acid, all right?
这里有个例子，氢氟酸，对吧？
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