heat waste

基本解释

At the same time feedback area also block up the heat waste when the steam passes the empty pipe.
同时回水区还封堵了蒸汽通过所述放空管散掉而造成的热能浪费；
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In order to reduce the heat waste that commonly existing in iron and steel works, a system of binary cycle power generation using low temperature hot water was designed .
针对钢铁厂普遍存在的高炉冲渣水余热浪费现象，设计出一种双循环低温热水发电系统。
Adopting steel-aluminum composite collector plate and patent technology----vacuum magnetic sputtering blue file, high collecting efficiency , small heat waste . , absorptivity 95%and emissivity 5%;
采用铜铝复合集热板，利用专利技术——真空磁控溅射镀蓝膜，集热效率高，热损小，吸收率高达95%，发射率低至5%；

But in certain landfills, including some accepting the BP cleanup, waste,heat and methane gas produced by decomposition are being used to generate energy.
You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.
你可以把热能便成功,也可以反过来,但它对于如果你要把热变成功,就必须浪费热量这件事只字未提,它只是说这是能量。
麻省理工公开课 - 热力学与动力学课程节选
Otherwise you're going to waste some of that heat somewhere along the way, some of energy.
否则你就必须在这个过程中,浪费一些热量。
麻省理工公开课 - 热力学与动力学课程节选

Heat waste captured from a local crematorium will be used to warm a public swimming pool in the town of Redditch, England as early as this summer.
FORBES: Wanted Dead or Alive: Humans for Energy Harvesting