PRE
发表于 2025-3-28 16:14:30
er limitations, including high operational costs and low efficiency in dilute solutions. This study presents an innovative, cost-effective solution utilizing biochar derived from snake fruit peels. Two biochar materials, SB500 and SB700, were produced via pyrolysis at 500 °C and 700 °C, respectively
牢骚
发表于 2025-3-28 21:46:45
The Life of Georg Rasch as a Mathematician and as a Statisticianthe Rasch model was developed and justified by requirements of proper measurement. But Rasch’s life before 1952 is also described, especially how he, forced by the employment situation in Denmark, had to turn to statistics after having graduated and defended his doctoral dissertation in pure mathema