• "When solar panels supply both hot water and space heating, the goal of zero emissions begins to look achievable."

    VOA: special.2009.03.25

  • so I'm heating up the system in this path here, and then to connect the 2 endpoints here, a constant temperature path.


    麻省理工公开课 - 热力学与动力学课程节选

  • So what I'm doing here is I'm cooling, and then when I'm sitting at a fixed volume and I'm increasing the pressure, what am I doing? I'm heating, right?


    麻省理工公开课 - 热力学与动力学课程节选

  • More than three billion people are at risk from indoor air pollution because of the heating or cooking fuels they use.

    VOA: special.2010.02.01

  • Now to make that happen, it's not adiabatic, right. If I wanted to do that, I'd need a heating element or something to cool, so I could make that temperature change happen, right.


    麻省理工公开课 - 热力学与动力学课程节选

  • The camper did not have any heating equipment to warm the space while family members slept.

    VOA: special.2010.02.02

  • And on the other side of that temperature you end up heating if you compress.


    麻省理工公开课 - 热力学与动力学课程节选

  • Most devices used for home heating have a way to expel the gas from the home.

    VOA: special.2010.02.02

  • And that gives rise to the heating that you can actually measure.


    麻省理工公开课 - 热力学与动力学课程节选

  • For example, they are reusing materials and heating buildings in a more environmentally friendly way.

    VOA: special.2009.06.03

  • That's going to be your heating up of the gas.


    麻省理工公开课 - 热力学与动力学课程节选

  • A common design looks like a high tunnel.Unlike a greenhouse, which uses a heating system, a hoop house is heated by the warmth of the sun.

    VOA: special.2009.12.22

  • So I'm doing cooling and heating cycles.


    麻省理工公开课 - 热力学与动力学课程节选

  • He warned that the nation faced the possibility of a winter without heating fuel.

    VOA: special.2010.08.12

  • Or I could have a non-adiabatic, I could take the same temperature change, by taking a flame, or a heat source and heating up my substance. So, clearly q is going to depend on the path.


    麻省理工公开课 - 热力学与动力学课程节选

  • And they act as a windbreak, so they reduce heating costs in winter.

    VOA: special.2009.09.08

  • Some seeds will not be killed during the natural heating process in composting.

    VOA: special.2009.06.23

  • And in the winter a heating system will make it warm.

    VOA: special.2009.08.21

  • These will include more modern air cooling and heating systems.

    VOA: special.2009.05.22

  • Safety directions that come with heating equipment must be followed.

    VOA: special.2010.02.02

  • Solar water heating is used around the world.

    VOA: special.2009.04.20

  • They had little fuel for heating and cooking.

    VOA: special.2010.04.15

  • The goal was to reach a legally binding agreement to reduce greenhouse gas emissions, blamed for heating up the atmosphere.

    VOA: standard.2009.12.06

  • She says a contribution of more than three million Euros from Italy will be used to provide winter kits, including heating fuel to vulnerable families.

    VOA: standard.2009.09.13

  • They survived by running the heating in their vehicles until police rescued them.

    VOA: standard.2010.01.10

  • "Our concern,clearly, was that tensions were heating up and that they need to calm down, and that indeed these tensions were diverting the government of Pakistan away from its principle enemies - al-Qaida and the Taliban,".

    VOA: standard.2009.03.16

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