This paper presents an experimental investigation of refrigeration system dynamics during the reverse-cycle defrost of an air-source heat pump chiller.

本文针对风冷热泵冷热水机组的逆循环除霜进行了实验研究，得到了除霜时系统参数随时间的变化规律。

youdao

The Calera cycle would reverse the usual effect of cementmaking, which is to spew CO2 into the air.

FORBES: Thought Leaders

"There is other research out there pointing out that this storage may be part of a natural cycle that will eventually reverse, either due to El Nino or the so-called Atlantic Multidecadal Oscillation, and therefore may not imply what the authors are suggesting, " he said.

BBC: Science & Environment