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4881
Optimal control on hybrid ODE Systems with application to a tick disease model
Published 2007-07-01“…The other state variable has continuous dynamics.Given a general objective functional, existence, necessaryconditions and uniqueness for an optimal control are established.We apply our approach to a tick-transmitted disease model with agestructure in which the tick dynamics changes seasonally whilehosts have continuous dynamics. …”
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4882
Optimization of Teaching Evaluation System for Football Professional Teachers Based on Multievaluation Model
Published 2021-01-01“…The selection and setting of the teaching content of football lessons lack systematic, scientific, and adaptable, and the teaching methods and teaching model concepts are backward. In the process of football teaching, teachers ignored the evaluation and assessment of students’ nonphysical and nonintellectual factors, and campus football activities did not achieve the expected goals.…”
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4883
Dynamics of a Computer Virus Propagation Model with Delays and Graded Infection Rate
Published 2017-01-01“…A four-compartment computer virus propagation model with two delays and graded infection rate is investigated in this paper. …”
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4884
Lin Yifu, l’Afrique et le modèle chinois d’émergence
Published 2019-07-01Subjects: Get full text
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4885
DM-YOLO: improved YOLOv9 model for tomato leaf disease detection
Published 2025-02-01“…The experimental results show that the precision (P) of this model increased by 2.2%, 1.7%, 2.3%, 2%, and 2.1%compared with those of multiple mainstream improved models, respectively. …”
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4886
Establishment and internal validation of a model to predict the efficacy of Adalimumab in Crohn’s disease
Published 2025-01-01“…Aims: This study aimed to develop a model for predicting clinical remission probability for Crohn’s disease patients with Adalimumab at 12 weeks. …”
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4887
A New Model for Competitive Knowledge Diffusion in Organization Based on the Statistical Thermodynamics
Published 2020-01-01“…In this study, we have constructed a new model for competitive knowledge diffusion in organization based on the statistical thermodynamics of physics. …”
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4888
COMPUTER MODELING OF STRAINS ON PHASE BOUNDARIES IN DUCTILE CAST IRON AT HOT EXTRUSION
Published 2017-03-01“…The computer modeling of the strain distribution in the structure of ductile iron with ferrite-pearlite matrix and inclusions of spherical graphite dependence on increasing degree of deformation during direct hot extrusion was researched. …”
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4889
English-Assisted Teaching Evaluation System Based on Artificial Intelligence and Rasch Model
Published 2022-01-01“…Moreover, this paper analyzes the needs of English teaching evaluation and uses the mixed Rasch model in the item reflection theoretical model to study the potential classification problems of teaching. …”
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4890
Efficient Monte Carlo simulation of streamer discharges with deep-learning denoising models
Published 2025-01-01“…Although Monte Carlo methods are intuitive and they model the full electron energy distribution without a priori prescriptions, they suffer from artificial sampling noise which, combined with the non-linearity of streamers, distorts their evolution. …”
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4891
A data-motivated density-dependent diffusion model of in vitro glioblastoma growth
Published 2015-07-01Subjects: Get full text
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4892
Bernoulli Poisson Moment Exponential Distribution: Mathematical Properties, Regression Model, and Applications
Published 2024-01-01“…A count regression model is also proposed based on this distribution. …”
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4893
Nonlinear Dynamics Modeling and Subharmonic Resonances Analysis of a Laminated Composite Plate
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4894
Testing an Inflation Model with Nonminimal Derivative Coupling in the Light of Planck 2015 Data
Published 2016-01-01“…We study the dynamics of a generalized inflationary model in which both the scalar field and its derivatives are coupled with the gravity. …”
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4895
Permanence and Extinction for a Nonautonomous Malaria Transmission Model with Distributed Time Delay
Published 2014-01-01“…We study the permanence, extinction, and global asymptotic stability for a nonautonomous malaria transmission model with distributed time delay. We establish some sufficient conditions on the permanence and extinction of the disease by using inequality analytical techniques. …”
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4896
Enlarged current injection model for the power flow solution of unbalanced distribution networks
Published 2025-04-01Get full text
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4897
Wireless Underground Sensor Networks: Channel Modeling and Operation Analysis in the Terahertz Band
Published 2015-01-01“…The objective of the paper is to address these issues in order to propose a novel communication channel model considering the propagation properties of terahertz EM waves in the complex underground environment of the oil reservoirs and to investigate the feasible transmission distances between nodes for different water-crude-oil-soil-CO2 compositions.…”
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4898
Integration of Heterogeneous Devices and Communication Models via the Cloud in the Constrained Internet of Things
Published 2015-10-01“…In order to alleviate service developers from these concerns, this paper presents a cloud-based platform for integrating heterogeneous constrained IoT devices and communication models into services. Our evaluation shows that the impact of our approach on the operation of constrained devices is minimal while providing a tangible benefit in service integration of low-resource IoT devices. …”
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4899
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4900
Modeling Cu(II) Binding to Peptides Using the Extensible Systematic Force Field
Published 2010-01-01“…All likely copper geometries were modeled, but the results showed only a small dependence on the geometrical model in that all resulted in a distorted square pyramidal geometry about the copper, some of the imidazole rings were poorly oriented for ligation to the Cu(II), and the copper-nitrogen bond distances were too long. …”
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