Results 21 to 30 of about 131,565,998 (308)

Unique Path Method of the Pinch-Out Profile Based on Unified Stratigraphic Sequence

open access: yesGeosciences, 2021
Pinch-outs refers to the gradual thinning of the thickness of the sedimentary layer laterally until there is no deposition and are a major topic of modern research on the automated drawing of geological profiles. The rapid development of smart geological
Zhen Liu   +4 more
doaj   +1 more source

Traveling wave solutions for (3+1) dimensional conformable fractional Zakharov-Kuznetsov equation with power law nonlinearity

open access: yesNonlinear Engineering, 2019
In this work, we consider the (3+1) dimensional conformable fractional Zakharov-Kuznetsov equation with power law nonlinearity. Solitary wave solutions, soliton wave solutions, elliptic wave solutions, and periodic (hyperbolic) wave rational solutions ...
Osman M.S.   +2 more
doaj   +1 more source

A unified representation method for interdisciplinary spatial earth data

open access: yes, 2022
Unified representation of spatial earth data is an essential scientific issue. The analysis and mining of interdisciplinary spatial earth data resources can help discover hidden scientific knowledge, and even reveal the intrinsic relationship among ...
Shuang Wang (46453)   +5 more
core   +1 more source

Unification of all hyperbolic tangent function methods

open access: yesOpen Physics, 2016
Over the last twenty years, several “different” hyperbolic tangent function methods have been proposed to search solutions for nonlinear partial differential equations (NPDEs).
Gözükızıl Ömer Faruk   +2 more
doaj   +1 more source

Revisiting the spatiotemporal dynamics of a diffusive predator-prey system: An analytical approach

open access: yesResults in Physics, 2023
This study investigates some analytic solutions and phase portraits to the diffusive predator-prey system in studying the spatiotemporal dynamics of a predator-prey community in ecology through an analytical approach and a qualitative theory of planar ...
Dipankar Kumar   +5 more
doaj   +1 more source

Object unified identifier method in logistics resource integration [PDF]

open access: yes, 2014
Purpose: The status which many programs for the object identifier are not incompatible with each other has become a bottleneck for integrating logistics resources. Scholars have done some relevant studies in terms of coding and conversion mechanisms, but
Hou, Hanping   +3 more
core   +1 more source

An Interval-Valued Data Classification Method Based on the Unified Representation Frame

open access: yesIEEE Access, 2020
Interval-valued data (IVD) is a kind of data where each feature is an interval. The midpoint and boundary are the two commonly used methods for representing IVD. However, their structure information (such as location, size) may be incomplete because only
Xiaobo Qi   +3 more
doaj   +1 more source

A Novel Unified Data Modeling Method for Equipment Lifecycle Integrated Logistics Support

open access: yesSensors, 2022
Integrated logistics support (ILS) is of great significance for maintaining equipment operational capability in the whole lifecycle. Numerous segments and complex product objects exist in the process of equipment ILS, which gives ILS data multi-source ...
Xuemiao Cui, Jiping Lu, Yafeng Han
doaj   +1 more source

Sound and Vision

open access: yesPrimitive Tider, 2023
Sound and Vision Battlescape analysis: Towards a Unified Method for Battlefield Archaeology Ever since the survey at the site of the battle of Little Big Horn in the 1980s, the number of battlefield archaeological projects has been rising.
Are Skarstein Kolberg
doaj   +1 more source

Unified Direct-Flux Vector Control for AC motor drives [PDF]

open access: yes, 2010
The paper introduces a Unified Direct-Flux Vector Control scheme suitable for sinusoidal AC motor drives. The AC drives considered here are Induction Motor, Synchronous Reluctance and synchronous Permanent Magnet motor drives, including Interior and ...
R. Bojoi   +7 more
core   +1 more source

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