通过在某个地方冷却筒体，而这个地方是建立固体喂料、固体床，进而开始熔融的地方，这个梯度就这样进一步影响喂料速率。
That gradient further affects the feed rate by cooling the barrel in the location where it's critical to develop solids feeding, solids-bed compaction, and heat to initiate melting.
在感应淬火中，通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
同时还表明随着带钢厚度增加，超快速冷却条件下厚度方向的温度梯度显著增大，对于带钢内部组织的均匀性将产生不利的影响。
With increasing the thickness, the temperature gradient in thickness direction is larger for the same cooling intensity, which would affect the uniformity of the microstructure in strip.
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