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Mixed-Effects Models in S and S-PLUS
Mixed-effects models provide a flexible and powerful tool for the analysis of grouped data, which arise in many areas as diverse as agriculture, biology, economics, manufacturin...
Phonons and related crystal properties from density-functional perturbation theory
This article reviews the current status of lattice-dynamical calculations in\ncrystals, using density-functional perturbation theory, with emphasis on the\nplane-wave pseudo-pot...
The Li-Ion Rechargeable Battery: A Perspective
Each cell of a battery stores electrical energy as chemical energy in two electrodes, a reductant (anode) and an oxidant (cathode), separated by an electrolyte that transfers th...
Comparison of Convenience Sampling and Purposive Sampling
This article studied and compared the two nonprobability sampling techniques namely, Convenience Sampling and Purposive Sampling. Convenience Sampling and Purposive Sampling are...
Wastewater engineering : treatment and reuse
1. Wastewater Engineering: An Overview 2. Constituents in Wastewater 3. Analysis and Selection of Wastewater Flowrates and Constituent Loadings 4. Introduction to Process Analys...
Solar Water Splitting Cells
ADVERTISEMENT RETURN TO ISSUEPREVReviewNEXTADDITION / CORRECTIONThis article has been corrected. View the notice.Solar Water Splitting CellsMichael G. Walter, Emily L. Warren, J...
Experimental Verification of a Negative Index of Refraction
We present experimental scattering data at microwave frequencies on a structured metamaterial that exhibits a frequency band where the effective index of refraction ( n ) is neg...