In the past,the W.H.O.and experts with America's Centers for Disease Control and Prevention noted guidance for disease spread on airplanes.

VOA : special.2009.07.14

And now we're almost done, except what we H really want is delta H and not delta U, right.

我们差不多已经完成了,除了我们实际上想要的是Δ

热力学与动力学课程节选 : 麻省理工公开课

And if you work out the energetics as we've gone with thermochemistry, dH you discover there's a huge negative delta H.

如果你计算能量变化,就像在化学热力学中所作的一样，你会发现很大的负的。

热力学与动力学课程节选 : 麻省理工公开课

W.H.O.special adviser Keiji Fukuda reported earlier this month that the virus has acted in some ways like seasonal flu.

VOA : special.2009.11.24

The W.H.O.says pregnant women should take the antiviral drug Tamiflu as soon as possible after they show signs of illness.

VOA : special.2009.08.05