Delayed wound healing in CD-9 null mice

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• 作者：Jia Ping Zhang ; Hua Gu ; Xiao Hu Zhang ; Yu Lin Gou ; Wen Ming Xu ; Andrew Burd ; Lin Huang ; Yue Sheng Huang ; Hsiao Chang Chan
• 关键词：Moduli of smoothness ; Positive linear operators ; Bernstein operators ; Best constants
• 刊名：Cell Biology International
• 出版年：2008
• 期刊代码：164_10656995
• 类别：bio
• 出版时间：March 2008
• 卷：32
• 期：3
• 页码：S47
• 文件大小：45 K

摘要

We estimate the constants related with the direct result for positive linear operators which preserves linear functions. The estimates are presented for the modulus of smoothness , where the weight φ is a function such that φ² is concave.