“grain size analysis”的概念、定义、翻译、参考文献-科学参考

单词	grain size analysis
释义	grain size analysis Encyclopedia 理学有机分析释 grain size analysis颗粒分析微观粉体颗粒的物理化学分析的总称。物理分析包括颗粒的粒径、粒型、颜色、湿度、密度和水分等。化学分析包括：化学含量、pH、电导率等。颗粒分析也指用实验的方法测定土的粒度成分。分析方法很多，最常用的有筛分法，适用于砂粒以上较粗的颗粒；移液管法和密度计法，适用于粉粒以下的较细颗粒。
随便看	direct nucleon decay direct numerical integration scheme direct numerical method direct numerical simulation Director director Directorate for Imperial Accouterments Directorate for Imperial Temples directorate-general　 Directorate of Astronomy and Calendar Directorate of Waterways direct orbit director-choreographers in integrated musicals director circle director cone director curve direct organogenesis director-general of grain transport director-general of the Grand Canal director hammer percussion direct orientation director of a bureau Director of Archery Storehouse Director of Dragon director of editorial department

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。