The Fundamentals of Local Fractional Iteration of the Continuously Nondifferentiable Functions Derived form Local Fractional Calculus，杨小军，，A new posssible modeling for local fractional iteration process is proposed. Based on fractional Taylor’s serie
Colloidal-sol gel derived rough Mn-TCP/FHA coatings with high adhesion strength，任常宝，林军，In this work, composite calcium phosphate coatings containing Manganese ions are prepared through a colloidal-sol gel method. Mn containing 僴円-tricalcium phosphate
Synthesis, photophysical and electrochemical properties of a D-π-A ensemble derived from porphyrazine and tetrathiafulvalene，侯瑞斌，邱寒，Cis/trans 1,2-dicyanoethylenes bearing tetrathiafulvalene units linked by ethylenedithio spacer were prepared. The cis
氧致金属价电子转移及态密度演变，孙长庆，Sean Li，From the perspective of sp-orbital hybrid bonding and its consequence on the behavior of valence electrons, new insight is presented into the nature of oxygen derived features in t
Beach, S. , & Orlov, A. (2007). An application of the Black–Litterman model with EGARCH-M-derived views for international portfolio management. Financial Markets and Portfolio Management, 21 , 147 .
mysql Every derived table must have its own alias错误解决办法
Every derived table must have its own alias
这句话的意思是说每个派生出来的表都必须有一个自己的别名
一般在多表查询时，会出现此错误。
因为，进行嵌套查询的时候子查询出来的的结果是作为一个派生表来进行上一级的查询的，所以子查询的结果必须要有一个别名
把MySQL语句改成：select count(*) from (select * fr
The seasonal variability of cloud optical depth over northwestern China derived from Clouds and the Earth's Radiant Energy System (CERES) Single Scanner Footprint (SSF) Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Edition 1B data from J
