檢視灰体的原始碼

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|<center>'''灰体'''<br><img
src=" https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fwww.mianfeiwendang.com%2Fpic%2F9bd0158131312106530d6711%2F1-326-png_6_0_0_184_991_463_176_892.979_1262.879-858-0-1268-858.jpg&refer=http%3A%2F%2Fwww.mianfeiwendang.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1655025272&t=cb42353a47c32d8b304c198f2293b538" width="280"></center><small>  圖片來自百度</small> 
|}
'''灰体 '''（科技名词） 在[[热辐射]]分析中，把[[光谱吸收比]]与[[波长]]无关的物体称为灰体 <ref>[[聂宇宏, 刘勇, 陈海耿. 灰体空间内非灰气体辐射的段法模型(J). 江苏科技大学学报(自然科学版), 2006, 20(2):76-79.]]</ref>   。灰体是辐射传热学中的一个名词。辐射光谱曲线的形状与黑体辐射光谱曲线的形状相似，且单色辐射本领不仅小于黑体同波长的[[单色辐射]]本领，两者的比例不大于1的常数，这类物质称之为灰体。对热辐射能只能吸收一部分而反射其余部分的物体。例如一般的固体和液体。

*中文名:[[灰体]]

*外文名:Gray body

*学    科:[[冶金工程]]

*领    域:冶炼

*范    围:[[辐射传热学]]

*参    考:[[光谱曲线]]