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Chaos synchronization between complex networks with uncertain structures and unknown parameters
2012
Wuli xuebao
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Chaos synchronization between complex networks with uncertain structures and unknown parameters is investigated. By designing appropriate control inputs, we achieve the synchronization between two complex networks. The unknown parameters of nodes at two networks and the coupling strength between the nodes are identified simultaneously in the process of synchronization. The CO2 laser equation with modulation loss is taken for example to simulate experiment. It is found that the synchronization performance between two networks is very stable.
doi:10.7498/aps.61.220508
fatcat:ogl53bpeyfh6nfipp365vrg3ma
ONE-NAS: An Online NeuroEvolution based Neural Architecture Search for Time Series Forecasting
[article]
2022
arXiv
pre-print
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Without any pretraining, ONE-NAS utilizes populations of RNNs which are continuously updated with new network structures and weights in response to new multivariate input data. ...
This work presents the Online NeuroEvolution based Neural Architecture Search (ONE-NAS) algorithm, which to the authors' knowledge is the first neural architecture search algorithm capable of automatically ...
We utilize the island extinction and repopulation presented by Lyu et al. ...
arXiv:2202.13471v1
fatcat:bxzjzmsxdvcuvb6xsb4rg7meqy
TND-NAS: Towards Non-differentiable Objectives in Progressive Differentiable NAS Framework
[article]
2023
arXiv
pre-print
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2023 pre-print arXiv:2111.03892v3 fatcat:7sxe5wyxg5bmbldc3z3ckji5quOther Versions
NAS. ...
Favorably, compared with other multi-objective NAS methods, TND-NAS is less time-consuming (1.3 GPU-days on NVIDIA 1080Ti, 1/6 of that in NSGA-Net), and can be conveniently adapted to real-world NAS scenarios ...
Multi-objective NAS and Platform-aware NAS. ...
arXiv:2111.03892v4
fatcat:ex3axknoefcubhulvuogqds3tq
Network synchronization of spatiotemporal chaos and parameter identification in complex Ginzburg-Landau equation
2012
Wuli xuebao
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The synchronization and the parameter identification of a complex network are studied, in which nodes are uncertain spatiotemporal chaos systems. The recognition laws of parameters are designed, and the unknown parameters in spatiotemporal chaos systems at the nodes of the complex network are identified. An appropriate Lyapunov function is constructed, and the conditions of realizing global synchronization of the network are discussed and confirmed based on the stability theory. The uncertain
doi:10.7498/aps.61.060507
fatcat:mlytce725zh7tk3lwjr5zee53a
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... mplex Ginzburg-Landau equation having spatiotemporal chaos behavior is taken as nodes in the complex network, and simulation results of spatiotemporal chaos synchronization and parameter identification show the effectiveness of the method.
ONE-NAS
2022
Proceedings of the Genetic and Evolutionary Computation Conference Companion
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Without any pretraining, ONE-NAS utilizes populations of RNNs which are continuously updated with new network structures and weights in response to new multivariate input data. ...
This work presents the Online NeuroEvolution based Neural Architecture Search (ONE-NAS) algorithm, which to the authors' knowledge is the first neural architecture search algorithm capable of automatically ...
Figure 3 : 3 Figure 3: Online prediction MSE of ONE-NAS and One-NAS island repopulation ...
doi:10.1145/3520304.3528962
fatcat:22gqfwu62nfv7dz6iofjycdu6q
Fusion-based Few-Shot Morphing Attack Detection and Fingerprinting
[article]
2022
arXiv
pre-print
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and numerous Na Zhang and Xin Li are with Lane Department of Computer Science and Electrical Engineering, Morgantown, WV 26506-6109. ...
Shan Jia and Siwei Lyu are in the Department of Computer Science and Engineering at the State University of New York at Buffalo, Buffalo, NY14260. ...
arXiv:2210.15510v1
fatcat:i7u3q44cbbfcze2xivjwk2mffy
Effect of Crystal Chemistry Properties on the Distribution Characteristics of H2O and Na+ in Na-Montmorillonite Interlayer Space: Molecular Dynamics Simulation Study
2020
Minerals
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At monolayer hydration state, the spatial distribution of H2O and Na+ in the interlayer of Na-montmorillonite (Na-MT) with different crystal chemistry properties was investigated by the molecular dynamics ...
The radial distribution function of Na-Ow (O in H2O) shows that the coordination strength between Na+ and Ow decreases with the increase of layer charge density or tetrahedral substitution ratio, and Na ...
The RDF of Ot-Na in Na-MT with different isomorphic substitution sites, (a) Na-MT1; (b) Na-MT2; (c) Na-MT3; (d) Na-MT4. ...
doi:10.3390/min10020162
fatcat:36fyi57bhrgh3fbcs7tetw7tgi
Efficiency of the Integrated Nitrogen Removal Device to Remove Ammonia in a Hog House
2021
Journal of Chemistry
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It is crucial to explore new methods to deal with ammonia pollution in hog barns. In this experiment, ammonia gas generated from the decomposition of nitrogenous organic matter, such as feed and manure in hog barns, was studied. Growing environmental parameters monitored included temperature, humidity, and ammonia nitrogen concentration. For 92 days between March and May, ammonia emissions were characterized by monitoring and collecting the ammonia concentration during the selected time. The
doi:10.1155/2021/6576143
fatcat:n3u3olm2yvh43jmf55xqt4d5xq
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... ults showed that the average temperature in the hog house was 18.2 ± 2.7°C, the humidity was 62.7 ± 0.3%, and the average ammonia concentration range was 17.7∼23.1 mg m−3. The collected ammonia-nitrogen-containing wastewater that entered the denitrification device showed 173, 232, 201, and 280 mgNH4-N/L, respectively. An integrated denitrification device with anaerobic ammonia-oxidizing bacteria as a functional strain was used for denitrification treatment. Through the change of ion concentration in the incoming and outgoing water, an 85.5% average denitrification efficiency was calculated according to the denitrification reaction chemical formula. Thus, the results presented here provide data support for the future use of microbial denitrification equipment to treat ammonia in hog houses.
Antimicrobial activity, improved cell selectivity and mode of action of short PMAP-36-derived peptides against bacteria and Candida
2016
Scientific Reports
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Antimicrobial peptides (AMPs) have recently attracted a great deal of attention as promising antibiotic candidates, but some obstacles such as toxicity and high synthesis cost must be addressed before developing them further. For developing short peptides with improved cell selectivity, we designed a series of modified PMAP-36 analogues. Antimicrobial assays showed that decreasing chain length in a certain range retained the high antimicrobial activity of the parental peptide and reduced
doi:10.1038/srep27258
pmid:27251456
pmcid:PMC4890124
fatcat:34aesu4wovezzbqoqvp26bhysq
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... is. The 18-mer peptide RI18 exhibited excellent antimicrobial activity against both bacteria and fungi, and its hemolytic activity was observably lower than PMAP-36 and melittin. The selectivity indexes of RI18 against bacteria and fungi were improved approximately 19-fold and 108-fold, respectively, compared to PMAP-36. In addition, serum did not affect the antibacterial activity of RI18 against E. coli but inhibited the antifungal efficiency against C. albicans. Flow cytometry and electron microscopy observation revealed that RI18 killed microbial cells primarily by damaging membrane integrity, leading to whole cell lysis. Taken together, these results suggest that RI18 has potential for further therapeutic research against frequently-encountered bacteria and fungi. Meanwhile, modification of AMPs is a promising strategy for developing novel antimicrobials to overcome drugresistance. The wide use of antibiotics in the past decades has driven the emergence of multidrug-resistant microbes at an unprecedented rate. In the Global Risks 2014 report, antibiotic-resistance was listed as one of thirty-one global risks related to social stability 1 . Antimicrobial peptides (AMPs) found in host immune system have been proposed as new anti-infectives to replace or accompany conventional antibiotics due to their broad-spectrum antimicrobial activity and unique membrane-action mechanism. In contrast to the majority of available antibiotics that target specific biosynthetic pathways, it is metabolically costly for most microbes to develop resistance to AMPs by mutating or repairing membrane components 2,3 . As typical amphipathic peptides, α -helical peptides have been widely investigated in recent years for clinical trial development 4-6 . However, the application of α -helical AMPs has been hindered by some serious obstacles, such as systemic toxicities and high manufacturing costs. To address these issues, short AMPs derivatives with cell-selective toxicity have been developed based on the amino acid composition, charge, and hydrophobicity of natural AMPs 7-11 . Porcine myeloid antimicrobial peptide-36 (PMAP-36) is a cathelicidin-related antimicrobial peptide deduced from porcine myeloid cDNA with an amphipathic α -helical conformation at the N-terminus 12 . Of all 11 porcine cathelicidins, PMAP-36 contains the highest net positive charge, which is considered an important parameter for peptide activity 13, 14 . Previous studies have indicated that full-length PMAP-36 has potent antimicrobial activity 12,15 and high toxicity 15 . To reduce its toxicity, we previously synthesized a series of PMAP-36 derivatives and characterized their antimicrobial and hemolytic activity. GI24, a 24-residue α -helical peptide truncated from the N-terminus of PMAP-36, retained high antibacterial activity, suggesting that the N-terminal domain of PMAP-36 is its active center. In addition, deletion of the random coil C-terminal eliminated the hemolysis caused by PMAP-36 15 . To develop shorter peptides in favour of reducing toxicity and synthesis cost, a series of derivatives
Wireless Virtual Network Embedding Algorithm Based on Deep Reinforcement Learning
2022
Electronics
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Wireless network virtualization is widely used to solve the ossification problem of networks, such as 5G and the Internet of Things. The most crucial method of wireless network virtualization is virtual network embedding, which allows virtual networks to share the substrate network resources. However, in wireless networks, link interference is an inherent problem while mapping virtual networks because of the characteristics of wireless channels. To distribute resources efficiently and address
doi:10.3390/electronics11142243
fatcat:y2kswcaq2vhmhftwwtpeuamume
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... e problem of interference, a dynamic embedding algorithm with deep reinforcement learning is proposed. During the training stage, we take resource use and interference from substrate networks as observations to train the agent, and then the agent generates a resource allocation strategy. Aiming at realizing load balance, we reshape the reward function considering the execution ratio and residual ratio of substrate network resources as well as the cost consumed by current virtual network request. Numerical tests show that our embedding approach increases the acceptance ratio and maintains better robustness. Moreover, the results also illustrate that our algorithm maintains a high acceptance ratio while producing less interference and lower cost.
Stabilizing Na-metal batteries with a manganese oxide cathode using a solid-state composite electrolyte
2019
Journal of Power Sources
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The dissolution of Mn ions from Mn-containing cathodes and the growth of Na dendrites are two critical issues that deteriorate the life time of Na batteries. ...
A facile interface modification is applied to improve the contact between the PVDF/NZSP-CPE and electrodes, which reduces the interfacial resistances and greatly delays the growth of Na dendrites. ...
of Na|CPE-2|Na. ...
doi:10.1016/j.jpowsour.2019.01.082
fatcat:vu6jtxk2pjarppfgcflbfnfwwe
Associations of LncRNA H19 Polymorphisms at MicroRNA Binding Sites with Glioma Susceptibility and Prognosis
2020
Molecular Therapy: Nucleic Acids
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G rs3741219 33(5.4) 19(1.44) NA NA *P ≤0.05 indicates statistical significance. ...
A rs217727 A rs2839698 A rs3741219 3(0.4) 0(0.00) NA NA A rs217727 A rs2839698 G rs3741219 1(0.1) 0(0.00) NA NA A rs217727 G rs2839698 A rs3741219 178(29.5) 445(34.22) 0.98(0.77-1.25) 0.87 A rs217727 G ...
doi:10.1016/j.omtn.2020.02.003
pmid:32155588
pmcid:PMC7062941
fatcat:rwt6uk6yh5h5tiqx7sq5vik3ou
Hierarchical carbon nanocages as high-rate anodes for Li- and Na-ion batteries
2015
Nano Reseach
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The novel hierarchical carbon nanocages (hCNC) are first proposed as high-rate anodes for Li-and Na-ion batteries. ...
Interfaces 2014, 6, 21661-21668. [27] Lyu, Z.; Xu, D.; Yang, L.; Che, R.; Feng, R.; Zhao, J.; Li, Y.; Wu, Q.; Wang, X.; Hu, Z. ...
batteries Zhiyang Lyu, Lijun Yang, Dan Xu, Jin Zhao, Hongwei Lai, Yufei Jiang, Qiang Wu, Yi Li, Xizhang Wang (Characterizations of the rpCNC. ...
doi:10.1007/s12274-015-0853-4
fatcat:clpxzlto7zdmde5oxmzevgs3ky
The association between XPG polymorphisms and cancer susceptibility
2017
Medicine
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Na et al found that rs2296147 showed no association with breast cancer risk, but the genotype distribution was not in agreement with HWE. ...
Na et al conducted a hospital-based case-control study to explore the association between ERCC5 gene polymorphism and found that rs751402 might not be the risk factor for breast cancer. ...
doi:10.1097/md.0000000000007467
pmid:28796034
pmcid:PMC5556200
fatcat:kbje6tmhpja4vbi6rohq4zeb6a
A Study on Classroom Feedback and Effectiveness in College English Teaching
2020
Studies in English Language Teaching
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The classroom feedback of English teachers plays an important role in classroom teaching. It is part of the comprehensible input of students and also effectively promotes the language output of students. With the continuous promotion of mixed teaching mode, college English classroom feedback has different characteristics from the original teaching feedback. How to make good use of the feedback of college English class under the mixed teaching mode and improve its effectiveness is a subject that needs to be studied seriously.
doi:10.22158/selt.v8n4p25
fatcat:dpdbre5llzcmnlw4yeu6nhk7aa
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