Political concepts are supposed to give us tools to figure out how to bring about the society we want. Theory constructs frameworks of political concepts to understand the past, carve out answers for ...

This article evaluates bulk analysis and scratch analysis methods for particle dispersion, highlighting the superiority of bulk analysis for quality assessment.

Mg isotope compositions of some typical geological standard samples measured by the DS method and the SSB method in different laboratories. The sample-standard-bracketing (SSB) method and double-spike ...