Physical and chemical property targets of bio-diesel and the measuring method have been discussed as well as the feature of bio-diesel composition and the analysis methods.
讨论了生物柴油的物理化学性质指标及其测定方法，重点讨论了生物柴油组成的特点和分析方法。
According to the analysis of layering difference of physical know ledge and skill of students, this paper considers the necessity of physical layering teaching and presents its principles and methods.
本文通过分析中师生物理知识、技能等方面的层次差异，提出物理分层教学的必要性及分层的原则和方法。
The use of literature research, expert interviews, statistics and logical analysis, research methods, 985 College of Graduate Education in Physical Education for statistical analysis.
运用文献资料调研、专家访谈、数理统计、逻辑分析等研究方法，对我国985高校体育学研究生教育现状进行统计分析。
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