What are some examples of historical periods with high polarization? What lessons can be learned from historical cases of high polarization?

Jul 20, 2024 ... Although the topic of opinion polarization receives much attention from the media, public opinion researchers and political scientists, the ... Oct 12, 2017 ... [1] I have combined these two indices to produce an “economic polarization index.” Many factors have contributed to what has been labeled the “ ... The Normalized Difference Polarization Index (NDPI) is also used to analyse the surface characters include vegetation cover, soil (rock) type and roughness ... Dec 21, 2020 ... Resistance absorption ratio and polarization index ... Polarization index (PI) and absorption ratio (DAR) are tests to check whether the leakage ... Used to diagnose the degree of progress of insulation deterioration, e.g. in cables and motors. PI/DAR is one of the criteria used to judge whether insulation ... Aug 7, 2023 ... The Megger test, the polarization index test, and the step voltage test are the most commonly used methods. These tests provide important ... The polarisation index of an electric motor or generator has been regarded as a useful tool in evaluating its windings for build up of dirt or moisture. Transformer insulation resistance, absorption ratio, and polarization index testing standards and requirements. Polarization index (PI) is defined as the difference between v-pol and h-pol ... In a water stressed canopy stomata may not open and a similar polarization index ... A polarization index (PI) is the ratio of the megaohms (megohms) measured after 10 minutes divided by the megohms measured after 1 minute. This measurement is ...