环境含氢量 [环境] environment hydrogen content
氢含量 [化学] hydrogen content ; hydrogen richness ; Hdaf ; Total Hydrogen Content
氢含量试验 hydrogen test
正常氢含量的 orthohydrous
碳和氢含量的测定 Determination of carbon and hydrogen
氢硫含量 hydrogen sulfide content
氢含量的测定 Determination of hydrogen content
氰化氢含量测定 determination of hydrogen cyanide content
The experimental results showed that, the higher hydrogen content of aluminum alloy melt, the lower of the compactness of aluminum alloy.
实验结果表明,同一牌号铸造铝合金液含氢量越高,铝合金致密性越低。
参考来源 - 含氢量对铝合金致密性检测的影响Hydrogen is a harmful element in aluminum alloys. The measurement of hydrogen level in aluminum melt is an important means to check up the degassing effects of aluminum melt, and is very important for improving the quality of aluminum castings.
氢是铝合金中的有害元素,铝熔体含氢量的测量是检验铝熔体除气效果的重要手段,对提高铝铸件的质量具有非常重要的意义。
参考来源 - 铝熔体快速定量测氢系统的研究开发及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
同时也研究了夹杂物尺寸和熔炼温度对含氢量的影响。
The influence of melting temperature and inclusion on hydrogen content is made.
观察到了它们的声子谱随含氢量而变化以及声学支有规则的软化现象。
It was observed that their phonon spectra vary with their hydrogen content.
对煤、沥青、石墨等进行了气化试验，获得含氢量达60%以上的气体。
Experiments have been made on it in gasification of coal, asphalt and graphite, and the gas obtained contains hydrogen over 60%.
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