The article refers to the new Synthetic Efficiency Indicator for Economic Growth (SEI-EG) proposed in an earlier publication. Research from 2016-2018 in 11 EU countries revealed small nations were notably more effective at sustainable growth than their larger counterparts. This prompted the...

This article describes how under the influence of traps and trap ranges in size, final moisture content in oil production and changes in the reservoir is very large. Due to this, thin and dispersed oil concentration, facies changes and oil complexes, and strong segmentation, results in poor...

In order to forecast the cotton output of China in the year 2011, Gray Metabolic Forecast Model is established based on both the Gray Forecast Model and the Metabolic Theory. According to the actual situation, forecast results of conventional GM (1, 1) Model and Metabolism GM (1, 1) Model are...

Risk evaluation for natural disasters is an important part of the emergency management, disaster prevention and mitigation. Because of the complexity and uncertainty of practical evaluation problems, the evaluation information available generally needs depiction of interval gray numbers instead...