【摘 要】对文化部科技提升项目“民族低音拉弦乐器改良”课题的背景、方向、特点及意义进行阐述。 【关键词】课题研究;民族低音拉弦乐器;音响融合性;乐器改良 文章编号:10.3969/j.issn.1674-8239.2017.05.002 【Abstract】This paper introduces the background, direction, characteristics and
After discussion on the mechanism of polymer particle nucleation and growth in inverse microemulsion polymerization, a schematic physical model for polymerizati