A new diagraph surface tension with the device of surface tension coefficient has been developed in order to cultivate the working abilities and deepen the students ' understanding of the impression to the liquid surface tension with comprehend 摘要本文為培養(yǎng)學(xué)生動(dòng)手能力和加深學(xué)生對(duì)液體表面張力的印象和理解,研制出一種新的測(cè)量表面張力和表面張力系數(shù)的裝置,并從原理和實(shí)際操作中作了詳細(xì)的說明。