Articles with "distribution model" as a keyword



Frequency distribution model for geomagnetic SYM-H fluctuations

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Published in 2020 at "Acta Geodaetica et Geophysica"

DOI: 10.1007/s40328-020-00304-6

Abstract: A model describing the frequency distribution of geomagnetic field fluctuations has been developed, allowing a better understanding of the influence of the solar magnetic field on the geomagnetic variations. The constructed model is analogous to… read more here.

Keywords: frequency; frequency distribution; model geomagnetic; distribution model ... See more keywords
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Evaluating multispecies survey designs using a joint species distribution model

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Published in 2020 at "Aquaculture and Fisheries"

DOI: 10.1016/j.aaf.2019.11.002

Abstract: Abstract Survey designs should be efficient as marine survey programs are usually expensive and time-consuming; however, surveys have rarely been evaluated for multiple species. In the present study, we evaluated multispecies fisheries surveys with respect… read more here.

Keywords: estimation; estimation methods; survey; distribution model ... See more keywords

Failure mechanism of different types of shotcrete based on modified Weibull distribution model

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Published in 2019 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2019.07.071

Abstract: Abstract Many scholars have used the Weibull distribution model to analyze the damage of shotcrete, but it cannot entirely describe the whole process of failure, especially after the peak stress. In this paper, based on… read more here.

Keywords: failure; model; distribution model; weibull distribution ... See more keywords

Integrated approach for the determination of an accurate wind-speed distribution model

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Published in 2018 at "Energy Conversion and Management"

DOI: 10.1016/j.enconman.2018.07.066

Abstract: Abstract The distribution model of wind-speed data is critical for the assessment of wind-energy potential because it reduces uncertainties in the estimation of wind power output. Thus, an accurate distribution model for describing wind-speed data… read more here.

Keywords: speed; wind speed; distribution model; approach ... See more keywords

Probability distribution model of gear time-varying mesh stiffness with random pitting of tooth surface

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Published in 2021 at "Engineering Failure Analysis"

DOI: 10.1016/j.engfailanal.2021.105782

Abstract: Abstract Pitting is one of the fault forms of gears, which directly causes a reduction in gear time-varying meshing stiffness (TVMS). In this paper, the probability distribution model of gear TVMS is established with random… read more here.

Keywords: tooth surface; distribution model; random pitting; probability distribution ... See more keywords
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A dynamic load distribution model of planetary gear sets

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Published in 2021 at "Mechanism and Machine Theory"

DOI: 10.1016/j.mechmachtheory.2020.104229

Abstract: Abstract This study presents, a three-dimensional dynamic load distribution model of planetary gear sets, which can capture the influence of several component and system level design variations. A numerical integration scheme is used in conjunction… read more here.

Keywords: gear sets; model; model planetary; load distribution ... See more keywords

Distribution model of lowly volatile impurity in rare earth metal purified by vacuum distillation

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Published in 2021 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2021.118314

Abstract: Abstract Distribution model of lowly volatile impurity in distillate was established based on the mass conservation of the solute at evaporating surface, and this model and the modified model were verified by two vacuum distillation… read more here.

Keywords: model lowly; lowly volatile; distribution model; impurity ... See more keywords
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Distribution model of highly volatile impurity in distillate of rare earth metal

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Published in 2020 at "Vacuum"

DOI: 10.1016/j.vacuum.2020.109307

Abstract: Abstract Distribution model of highly volatile impurity in distillate was established based on the mass-transfer rate equation in the liquid boundary layer, the calculated methods of model parameters were determined, and a verification experiment of… read more here.

Keywords: highly volatile; distribution model; model highly; rate ... See more keywords

Parametrized ion-distribution model for extended x-ray absorption fine-structure analysis at high-energy-density conditions

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Published in 2024 at "Physics of Plasmas"

DOI: 10.1063/5.0191549

Abstract: Experiments today can compress solids near isentropically to pressures approaching 100 × 106 atmospheres; however, determining the temperature of such matter remains a major challenge. Extended x-ray absorption fine-structure (EXAFS) spectroscopy is one of the few techniques… read more here.

Keywords: structure; distribution model; parametrized ion; ion distribution ... See more keywords

A general semi-parametric elliptical distribution model for semi-supervised learning

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Published in 2024 at "Journal of Nonparametric Statistics"

DOI: 10.1080/10485252.2024.2393725

Abstract: ABSTRACT This research proposes a novel semi-parametric elliptical distribution model for application in semi-supervised learning tasks. We use labelled and unlabelled data to develop a pseudo maximum likelihood method for estimation and classification. The proposed… read more here.

Keywords: elliptical distribution; semi; distribution model; semi supervised ... See more keywords

Distribution of donor states on the surface of AlGaN/GaN heterostructures

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Published in 2021 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ac0792

Abstract: The uniform distribution model of the surface donor states in AlGaN/GaN heterostructures has been widely used in the theoretical calculation. A common and a triple-channel AlGaN/GaN heterostructure Schottky barrier diodes have been fabricated to verify… read more here.

Keywords: gan heterostructures; donor states; distribution model; distribution ... See more keywords