One of the rabbis arrested, Saul Kassin,is considered the leading cleric of the U.S.Sephardic community, comprised of families that emigrated mostly from the Middle East, Syria in particular, following the formation of the state of Israel in 1948.

VOA: standard.2009.07.24

Delta H of formation means the enthalpy of this compound minus the enthalpy of its constituent elements in their most stable state at room temperature and pressure.

生成焓就是这种组分,的焓减去它的所有组成元素,在室温和常压下处于,其最稳定的状态时的焓。

麻省理工公开课 - 热力学与动力学课程节选