Stephen Hess is a political scientist who studies the presidency at the Brookings Institution in Washington.

VOA: special.2011.04.08

Hess' Law states that for any chemical reaction, the energy change is path independent.

盖斯定律表明，对于任意化学反应，能量变化并非是路径依赖的。

麻省理工公开课 - 固态化学导论课程节选

And thanks to Professor Hess, I can now say that the total energy delta H In other words, delta H formation of sodium chloride should be independent of paths.

感谢道盖斯教授，我们可以认为，这整体过程,氯化钠的化合能,与路径无关。

麻省理工公开课 - 固态化学导论课程节选

Steve Hess at Moody's Investor Service says if lenders were really worried, they would raise the interest rates they charge on loans to the government.

VOA: special.2011.04.16

Harry Hess and Robert Dietz said this spreading does not make the Earth bigger.

VOA: special.2011.01.04

Mister Hess says the success of Barack Obama's presidency largely depended upon this vote.

VOA: special.2010.03.27

Stephen Hess is a Presidential Scholar at the Brookings Institution in Washington.

VOA: special.2010.03.27

Professor Dale Hess directs Goshen College's Environmental Education Collegiate Program.

VOA: special.2009.04.14

Professor Hess says food security is national security.

VOA: special.2009.04.14