A TWSME extension spring, which can extend upon heating and contract upon cooling was obtained using constrained annealing and thermo-mechanical training, the elongation can reach 60%.

首次利用约束热处理结合热机械训练获得了加热伸长、冷却收缩的双向记忆效应弹簧，其伸长率达60%。

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Local heating on the structure of metal produces the plastic contract of some places of the structure. After cooling, the remained contract can repair the beams bend.

在金属结构上局部加热，使结构的某些部位被塑性压缩，冷却以后由残留的局部收缩而获得矫正。

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Gases expand on heating and contract on cooling.

气体加热时膨胀，冷却时收缩。

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This contract was pegged to heating degree days in St.

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What this says is that the State of Wisconsin can sell or contract out management of state-owned heating, cooling and power plants without the requirement that bids for such a sale or leasing be solicited so as to maximize what the government can pocket through such an arrangement.

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Wolf Heiztechnik of Bavaria is developing a contract under which it sells temperature control rather than heating equipment.

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