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.
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。
Such a surface would reflect no radiant energy, and hence would appear black in color.
这种表面不会反射辐射能，因此呈现黑色。
Clouds return radiant energy to the surface primarily via the atmospheric window.
云主要通过大气窗区向地表辐射能量。
One of main reason induced a piece - wise function and the break point is the loss of radiant energy before the radiant energy reaches the surface of condensed phase.
导致两段函数和折点形成的主要原因是在辐射能到达凝聚相表面之前部分辐射能已经发生了损失。
It is obvious that the thermal energy in deep tissue may conduct outwards to skin surface. This may be an important factor for the formation of infrared radiant track along meridian course.
经脉线下深部组织的热能通过热传导的方式由里向外扩散至皮肤表面，是产生循经红外辐射轨迹的一个重要原因。
Low infrared emissivity materials based on hollow particles are prepared by chemical Ni-coated processing, and surface morphology, absorbance, emissivity and infrared radiant energy are characterized.
利用化学镀镍工艺制备空心微珠基红外低发射率材料，对其表面形貌，并重点对其吸收率、发射率和热辐射能等红外性能进行表征。
Low infrared emissivity materials based on hollow particles are prepared by chemical Ni-coated processing, and surface morphology, absorbance, emissivity and infrared radiant energy are characterized.
利用化学镀镍工艺制备空心微珠基红外低发射率材料，对其表面形貌，并重点对其吸收率、发射率和热辐射能等红外性能进行表征。
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