Email this Article Past Issues | Current Issue Complete this form to e-mail a link to this article to a friend or colleague. Comparison of the fraction model of direct and diffuse solar radiation—Taking Beijing area as an example Feng Wei, Dong Hong, Yang Liu and Liu Jiaping.Comparison of the fraction model of direct and diffuse solar radiation—Taking Beijing area as an example[J].Journal of Civil, Architectural & Environmental Engineering,2015,(1):12-17 E-mail to: (to whom you're sending this) Your e-mail address: Your name: Your comments to add to the e-mail: I thought you would find this article interesting. Verification code:

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