The heat transferring from the hot side to the cold side is the main cause of energy losses.

热能从暖的一面流向冷的一面，构成能量损失的主要因素。

youdao

Mobile charged carriers migrating to the cold side to create a carrier concentration gradient thus giving rise to a thermoelectric voltage.

移动的载流子迁移到冷端后会形成载流子浓度差，从而在材料两端产生热电电压。

youdao

However, the more consummately method should confirm the convection coefficient of heat-side and cold-side liquid, so as to find out the problem and to ameliorate it.

然而，更完善的办法应该是同时再确定换热器冷、热两侧流体的对流换热系数，以便找出问题所在并进行改进。

youdao

The next zone is where the cooking gets done two parallel lines of countertop, forty-some feet long and just three shoe-lengths apart, with fifteen people pivoting in place between the stovetops and grills on the hot side and the neatly laid-out bins of fixings (sauces, garnishes, seasonings, and the like) on the cold side.

NEWYORKER: Big Med

Darlo made the start they needed to settle any early nerves as the Conference side were caught cold after little more than 60 seconds.

BBC: Darlington 4-1 Stevenage

Just place a hot object (a mug of cocoa) on the red side or a cold object (iced coffee) on the blue, then plug in your phone.

ENGADGET