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??? | |
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??? ?? | ?-SI ?? ?? |
?? ?? | Heat flux |
?? | Ly? |
??? ?? | ??? ??? |
?? ?? | |
1 Ly ▼ | ... ?? ??? ... |
SI ?? | 41 840 J/m2 |
??? (Ly)? ? ??? ??? ???? ???, ?? ??? ?? ?? ??? (?? ??? )? ??? ? ????. ? ??? 1942?? ??? ?? (Franz Linke)? ?? ??????,[1] 1947? ??? ??? (1834–1906)? ??? ?? ?????.
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[??]- ↑ Gyllenbok, Jan (2018). 〈langley〉. 《Encyclopaedia of Historical Metrology, Weights, and Measures, Volume 1》. Birkh?user. 139?. ISBN 9783319575988.
- ↑ “Appendix B9. Conversion Factors.”. 《NIST Guide to the SI》. The National Institute of Standards and Technology. 2010? 10? 5?. 2013? 4? 14?? ???.
- ↑ “Solar Energy at Race Rocks”. 2013? 10? 5?? ?? ???? ??? ??. 2010? 8? 5?? ???.