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23.342  Articles
1 of 2.335 pages  |  10  records  |  more records»
The subject of the research is the approaches to studying the dynamics of information and energy entropy of a project-oriented organization. The purpose of this study is to develop an approach for monitoring the dynamics of energy entropy when adding a ne... see more

In this paper, a four-dimensional model of energy supply–demand with two-delay is built. The interactions among energy demand of east China, energy supply of west China and the utilization of renewable energy in east China are delayed in this model. We di... see more

In this paper, we build a model of energy-savings and emission-reductions with two delays. In this model, it is assumed that the interaction between energy-savings and emission-reduction and that between carbon emissions and economic growth are delayed. W... see more

Sandwich structures are very attractive due to their high strength at a minimum weight, and, therefore, there has been a rapid increase in their applications. Nevertheless, these structures may present imperfect bonding or debonding between the skins and ... see more

The noise of near-infrared spectra and spectral information redundancy can affect the accuracy of calibration and prediction models in near-infrared analytical technology. To address this problem, the improved Complete Ensemble Empirical Mode Decompositio... see more

Misalignment is an important cause for the early failure of large doubly-fed wind turbines (DFWT). For the non-stationary characteristics of the signals in the transmission system of DFWT and the reality that it is difficult to obtain a large number of fa... see more

The subject of the research is the optimization of the composition of the project portfolio based on the entropy concept. The aim of the study is to experimentally test the model for optimizing the portfolio of a project-oriented organization and substant... see more

In this paper we analyzed the complexity of the time series of wind speed in Petrolina, Brazil at heights of 25 and 50 m. We applied the sample entropy (SampEn) method on wind speed temporal series for each month of 2010, in order to analyze the intra-ann... see more

The subject of the study are approaches and methods for determining the energy and entropy values of the organization’s resources. The purpose of this study is to develop a concept and appropriate mathematical tools for determining and analyzing the dynam... see more

1 of 2.335 pages  |  10  records  |  more records»