Ọ na-atụle site na data nke Jacques-Louis Soret (1827<unk>1890) na ike ike nke ike sitere na Sun bụ ugboro 29 karịa ike ike nke ike nke ụfọdụ ihe na-ekpo ọkụ na-ekpo ọkụ. A na-etinye lamella gburugburu n'ebe dị anya site na ngwaọrụ nlele nke a ga-ahụ ya n'otu akụkụ ahụ dị ka Sun. Soret mere atụmatụ okpomọkụ nke lamella ka ọ bụrụ ihe dịka 1900 ° C ruo 2000 ° C. Stefan chere na 1⁄3 nke ike ike sitere na Sun na-etinye aka na mbara igwe nke ụwa, ya mere o weere uru ziri ezi maka ike ike nke anyanwụ dị 3/2 ugboro karịa uru nke Soret, ya bụ 29 × 3 / 25 = 43. Ajụjụ: Gịnị ka Stefan mere iji tụọ ọnọdụ okpomọkụ nke ngwaọrụ anyanwụ?
Achịcha okirikiri