We have compared over 500 RPLC columns characterized by the hydrophobic subtraction model using the system selectivity cube (SSC). We have shown numerous differences in column selectivity even among columns in the same class (e.g., alkyl-silica, cyano, or embedded polar groups). We also illustrate the utility of our method for selecting alternative columns with different selectivities for probl...

retrofitting structures is an important issue. structural weakness may be due to changes in design codes or defects in implementation. adding structural floors to the existing structures may also lead to the need for strengthening and retrofitting. retrofitting is possible before the earthquake or may take place as rehabilitation of damaged members after earthquake. elements such as columns in ...

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I’VE SUBSCRIBED to IEEE Software since it started in 1984. I’ve always liked its practical focus and that it covers all types of software from embedded systems to large business systems. It was, and maybe still is, the most readable and useful of the magazines trying to bridge the divide between researchers and practitioners. For the past few years, though, I haven’t found much I want to read i...