In the realm of medical diagnostics, particularly in differential diagnosis, where differentiating between illnesses or ailments with comparable symptoms is essential, deep learning has gained importance. Recent devel...
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Fluoropolymer (F2604) is a random copolymer of vinylidene fluoride and hexafluoropropene, with a molar ratio of 4:1. F2604 has good thermal stability, flame retardancy, excellent mechanical properties, and high chemic...
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Accurately predicting the remaining useful life(RUL)of bearings in mining rotating equipment is vital for mining *** research aims to distinguish the features associated with the RUL of bearings and propose a predicti...
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Accurately predicting the remaining useful life(RUL)of bearings in mining rotating equipment is vital for mining *** research aims to distinguish the features associated with the RUL of bearings and propose a prediction model based on these selected *** study proposes a hybrid predictive model to assess the RUL of rolling element *** proposed model begins with the pre-processing of bearing vibration signals to reconstruct sixty time-domain *** hybrid model selects relevant features from the sixty time-domain features of the vibration signal by adopting the RReliefF feature selection ***,the extreme learning machine(ELM)approach is applied to develop a predictive model of RUL based on the optimal *** model is trained by optimizing its parameters via the grid search *** training datasets are adjusted to make them most suitable for the regression model using the cross-validation *** proposed hybrid model is analyzed and validated using the vibration data taken from the public XJTU-SY rolling element-bearing *** comparison is constructed with other traditional *** experimental test results demonstrated that the proposed approach can predict the RUL of bearings with a reliable degree of accuracy.
Mehta and Panigrahi (FOCS 2012, IEEE, Piscataway, NJ, 2012, pp. 728-737) introduce the problem of online matching with stochastic rewards, where edges are associated with success probabilities and a match succeeds wit...
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To improve the effectiveness of online learning, the learning materials recommendation is required to be personalised to the learner material recommendations must be personalized to learners. The existing approaches a...
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In this study,we systematically investigate collider constraints on effective interactions between Dark Matter(DM)particles and electroweak gauge *** consider the simplified models in which scalar or Dirac fermion DM ...
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In this study,we systematically investigate collider constraints on effective interactions between Dark Matter(DM)particles and electroweak gauge *** consider the simplified models in which scalar or Dirac fermion DM candidates couple only to electro weak gauge bosons through high dimensional effective *** the induced DM-quarks and DM-gluons operators from the Renormalization Group Evolution(RGE)running effect,we present comprehensive constraints on the effective energy scaleΛand Wilson coefficients CB(Λ),CW(Λ)from direct detection,indirect detection,and collider *** particular,we present the corresponding sensitivity from the Large Hadron Electron Collider(LHeC)and Future Circular Collider in the electronproton mode(FCC-ep)for the first time,update the mono-j and mono-γsearch limits at the Large Hadron Collider(LHC),and derive the new limits at the Circular Electron Positron Collider(CEPC).
Recent years have seen growing demand for the use of edge computing to achieve the full potential of the Internet of Things(IoTs),given that various IoT systems have been generating big data to facilitate modern laten...
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Recent years have seen growing demand for the use of edge computing to achieve the full potential of the Internet of Things(IoTs),given that various IoT systems have been generating big data to facilitate modern latency-sensitive *** Dismantling(ND),which is a basic problem,attempts to find an optimal set of nodes that will maximize the connectivity degradation in a ***,current approaches mainly focus on simple networks that model only pairwise interactions between two nodes,whereas higher-order groupwise interactions among an arbitrary number of nodes are ubiquitous in the real world,which can be better modeled as *** structural difference between a simple and a hypernetwork restricts the direct application of simple ND methods to a *** some hypernetwork centrality measures(e.g.,betweenness)can be used for hypernetwork dismantling,they face the problem of balancing effectiveness and ***,we propose a betweenness approximation-based hypernetwork dismantling method with a Hypergraph Neural Network(HNN).The proposed approach,called“HND”,trains a transferable HNN-based regression model on plenty of generated small-scale synthetic hypernetworks in a supervised way,utilizing the well-trained model to approximate the betweenness of the *** experiments on five actual hypernetworks demonstrate the effectiveness and efficiency of HND compared with various baselines.
Tea seedlings(Camellia sinensis)have a well-developed root system with a strong taproot and lateral *** with ordinary cuttings,tea has stronger vitality and environmental adaptability,thus facilitating the promotion o...
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Tea seedlings(Camellia sinensis)have a well-developed root system with a strong taproot and lateral *** with ordinary cuttings,tea has stronger vitality and environmental adaptability,thus facilitating the promotion of good ***,there is less of detailed research on the rooting and germination process of tea *** this study,matrix-assisted laser desorption ionization time-of-flight-mass spectrometry was used to conduct non-targeted spatial mass spectrometry imaging of the main organs during growth of tea seedlings.A total of 1234 compounds were identified,which could be divided into 24 *** them,theanine,as the most prominent nitrogen compound,was synthesized rapidly at the early stage of embryo germination,accounting for>90%of the total free amino acids in the radicle,and it was then transferred to each meristem region through the mesocolumnar sheath,indicating that theanine-based nitrogen flow plays a decisive role in organ formation during the development of tea *** stored in the cotyledon were rapidly hydrolyzed to dextrin and 3-phosphoglyceraldehyde at the early stages of germination,and subsequently converted to other forms that provided carbon and energy for development,such as raffinose and D-galactose(glucose),which were mainly distributed in the growing zones of the root apex and the apical meristems of the *** study provides a new perspective on the synthesis and metabolism of substances during the development of tea seedlings and contributes to a better understanding of the biological characteristics of tea varieties.
Camera calibration is an important step based on binocular stereo vision technology, and the accuracy of calibration directly affects the accuracy of this visual measurement. In view of the problems of camera calibrat...
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Chronic Kidney Cancer (CKC) is a disease that hindrances the blood-filtering mechanism of the kidney and is increasing at an alarming rate in the recent few years. As CKC does not show any earlier symptoms, the earlie...
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