Rudolf Clausius
Rudolf Julius Emanuel Clausius (1822 nî 1 goe̍h 2 ji̍t – 1888 nî 8 goe̍h 24 ji̍t) sī 19 sè-kí Tek-kok chi̍t-ūi tiōng-iàu-ê bu̍t-lí-ha̍k-ka kiam sò͘-ha̍k-ka, āu-sì-ê to-sò͘ ha̍k-chiá lóng jīn-ûi i chiū-sī khai-chhòng hiān-tāi jia̍t-le̍k-ha̍k ê tiong-sim jîn-bu̍t chi-it.
Clausius siōng tiōng-iàu-ê lūn-bûn sī i tī 1850 nî ê sî-chūn só͘ hoat-pió ê On the Moving Force of Heat; chit-phiⁿ mā sī bu̍t-lí-ha̍k ê le̍k-sú siōng, tē-it pái thê-chhut jia̍t-le̍k-ha̍k tē-jī tēng-lu̍t ê gián-kiù lūn-bûn. Jiân-āu, Clausius koh tī 1865 nî tēng-gī bu̍t-lí-ha̍k ê piàn-sò͘ entropy. 1870 nî, Clausius kiàn-li̍p virial tēng-lí tī jia̍t-le̍k-ha̍k siōng ê èng-iōng.
