“carbon cycle”的概念、定义、习题解题方法及翻译-物理辞典

单词	carbon cycle
释义	carbon cycle A series of nuclear reactions in which four hydrogen nuclei combine to form a helium nucleus with the liberation of energy, two positrons, and two neutrinos. The process is believed to be the source of energy in many stars and to take place in six stages. In this series carbon–12 acts as if it were a catalyst, being reformed at the end of the series: ₆¹²C + ₁¹H →₇¹³N + γ ₇¹³N →₆¹³C + e⁺ + v_e ₆¹³C + ₁¹H →₇¹⁴N + γ ₇¹⁴N + ₁¹H →₈¹⁵O + γ ₈¹⁵O + ₇¹⁵N + e⁺ + v_e ₇¹⁵N + ₁¹H →₆¹²C + ₂⁴He See stellar evolution
随便看	semiconductor diode semiconductor laser semipermeable membrane series series circuits series-wound machine sets sextant shadow shear modulus shearing force shell model sherardizing shielding SHM shock wave Shockley, William short-sightedness shower shunt SI units sideband sidereal day sidereal period siemens

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。