【摘要】 生漆粘滞系数测量及掺假鉴别研究吴俊林，魏忠仁，杨瑞科（陕西师范大学物理学系，西安７１００６２１第一作者，男，３８岁，讲师）１测量原理当直径为ｄ（半径ｒ），密度为ρ的光滑小球以速度ｖ在密度为ρ０，粘滞系数为，雷诺数Ｒ＝ρ０ｃｄ／＜１的宽广液体中匀速下落...更多还原

【Abstract】 A relation between is determined the adhesion coefficient and the temperature of the raw lacquer by measuring the frequency shift of ultrasonics Doppler effect and the impure raw lacquer is investigated, and a series of meningful results,and some problems to be explored further are obtained更多还原