critical radiant flux meaning in English

临界辐射通量

Test method for critical radiant flux of exposed attic floor insulation using a radiant heat energy source
利用辐射热能源测定暴露的顶楼地板绝缘临界辐射通量的方法
Standard method of test for critical radiant flux of floor covering systems using a radiant heat energy source
用辐射热能源测定地板覆盖物的临界辐射流的标准试验方法
Standard test method for critical radiant flux of exposed attic floor insulation using a radiant heat energy source
暴露于辐射热能源的搁楼地板绝缘的临界辐射通量的标准试验方法