Results 21 to 30 of about 4,979,212 (314)
The Loess Plateau is located in the arid and semi-arid regions in northern China. The ecosystem is particularly sensitive to natural and anthropogenic disturbances.
Yalin Yin +5 more
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Global path planning for mobile robot based on improved artificial potential function [PDF]
There is a major problem with traditional artificial potential field method. It is the formation of local minima that can trap the robot before reaching its goal. To overcome the problem, this paper presents an improved potential field approach.
Yiwen Zhao +3 more
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Potential Functions and Conservative Estimating Functions
The authors point out that the quasi-score function introduced by \textit{R. W. M. Wedderburn} [see e.g. Biometrika 61, 439-447 (1974; Zbl 0292.62050)] and \textit{P. McCullagh} [see e.g. Ann. Stat. 11, 59-67 (1983; Zbl 0507.62025)] does not inherit all important properties of the likelihood score function. Therefore they develop a method of projecting
Li, Bing, McCullagh, Peter
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Spherical potential functional theory [PDF]
According to a recent theorem of Theophilou [J. Chem. Phys. 149, 074104 (2018)], a set of spherically symmetric densities determines uniquely the external potential in molecules and solids. This theorem leads to a fresh formulation of density functional theory.
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Numerical Solutions of Inverse Nodal Problems for a Boundary Value Problem
In this paper, we study inverse nodal problems for a boundary value problem. A uniqueness result for the potential function and a reconstruction method are obtained.
Yong Tang +3 more
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RNA tertiary structure modeling with BRiQ potential in CASP15 [PDF]
We describe the modeling method for RNA tertiary structures employed by team AIchemy_RNA2 in the 15th Critical Assessment of Structure Prediction (CASP15). The method consists of the following steps.
Chen, K +7 more
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The extraction of power line plays a key role in power line inspection by Unmanned Aerial Vehicles (UAVs). While it is challenging to extract power lines in aerial images because of the weak targets and the complex background.
Le Zhao +4 more
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Empirical potential function for simplified protein models: Combining contact and local sequence-structure descriptors [PDF]
An effective potential function is critical for protein structure prediction and folding simulation. Simplified protein models such as those requiring only C-alpha or backbone atoms are attractive because they enable efficient search of the ...
Liang, J, Chen, R, Zhang, J
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The potential function of microRNA in chordomas
Little is known about the molecular biology of chordomas, which are rare, chemoresistant tumors with no well-established treatment. miRNAs regulate gene networks and pathways. We aimed to evaluate the effects of dysregulated miRNA in chordomas would help reveal the underlying mechanisms of chordoma initiation and progression.
Sukru Gulluoglu +6 more
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SMOOTHNESS OF SOLUTIONS (SEPARABILITY) OF THE NONLINEAR STATIONARY SCHR¨ODINGER EQUATION
The equation of motion of a microparticle in various force fields is the Schr¨odinger wave equation.Many questions of quantum mechanics, in particular the thermal radiation of electromagneticwaves, lead to the problem of separability of singular ...
A. Birgebayev, M. Muratbekov
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