The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

Before you start analyzing, you might want to take a look at your data object’s structure and a few row entries. If it’s a 2-dimensional table of data stored in an R data frame object with rows and ...

Table 1 Summary of 2D materials and their heterostructures for application in catalysis. Full size table Figure 1: Schematics of catalysis or active sites for various graphene structures and their ...

Models are developed for the analysis of contingency table data with supplemental marginal totals. The method of maximum likelihood is used to estimate the parameters in the models, and the expected ...

Eric Scerri's delightful "The Periodic Table: Its Story and Its Significance" follows the 1969 classic by J. W. Spronsen, "The Periodic System of Chemical Elements," but is a different treatment of ...

Heterointerfaces between different oxide layers can display remarkable electrical properties 1 that differ from either constituent, such as a two-dimensional electron gas (2DEG, refs ...

Note: Click here to download the source code for this article. When developing Java code using a GUI component I have never used, I like to experiment by writing small sample programs, exploring the ...

Nick Norman does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...