纯天然海洋周期性波动极大影响着这些温度的变化，也影响着来自热带的传热模式。
These temperature shifts are heavily influenced by entirely natural ocean cycle fluctuations that affect heat transfer patterns from the tropics.
证明了在一定条件下，热源供热量周期性变化引起的室内温度的波动幅度有限，不影响供热质量。
It is proved that under certain conditions, the periodic change of heat supply from heat source has caused little fluctuation in room temperature, and will not influence heat-supply quality.
研究在辐射和对流同时作用下肋根温度作周期性变化时矩形肋片的传热特性。
The heat transfer performance of a rectangular fin during periodic fin base temperature change is studied under simultaneous action of radiation and convection.
在铝薄带超常铸轧过程中，铸轧辊套温度场周期性的变化引起铸轧辊套内热应力场的周期性变化。
Roll shell's thermal stresses cyclically vary with the changes of its temperature field in the process of twin roll casting.
因窑炉转动、物料和热电偶周期接触，引起测量温度周期性变化。
When a kiln rotates, the thermocouple periodically contacts the hot feed solids materials.
由于地球上任一地区接收到太阳辐射能量的周期变化，导致地球表面温度的周期性变化。
As a result of the earth's rotation on its axis, the radiant energy received by any area of the earth surface from the sun varies periodically.
建立了室外空气温度发生周期性变化情况下的复合墙体一维非稳态传热物理模型及数学模型，推导出复合墙体温度分布及热流密度分布表达式。
We aim at the establishment of one-dimensional physical and math model in the multiplayer walls. Heat flux and temperature distribution expression has been reduced and analyzed.
建立了室外空气温度发生周期性变化情况下的复合墙体一维非稳态传热物理模型及数学模型，推导出复合墙体温度分布及热流密度分布表达式。
We aim at the establishment of one-dimensional physical and math model in the multiplayer walls. Heat flux and temperature distribution expression has been reduced and analyzed.
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