keyword
Keywords order set or order sets or car...

order set or order sets or carepath or care path

https://read.qxmd.com/read/38600224/experimental-analysis-of-rotating-bridge-structural-responses-to-existing-railway-train-loads-via-time-frequency-and-hilbert-huang-transform-energy-spectral-analysis
#21
JOURNAL ARTICLE
Xu Liu, Honggang Wu, Shouquan Zhao, Xuehu Yang
With the rapid development of national infrastructure projects, there has been a significant increase in intersecting lines in transportation construction. As a result, rotating bridges are increasingly used in engineering projects that span existing railway lines. In order to study the spatial response characteristics and vibration wave transmission mechanisms of the rotating bridge structure under the loading of existing railway trains, field experiments and numerical analyses were conducted. The response characteristics of these bridges were investigated under different types and speeds of adjacent existing lines...
April 10, 2024: Scientific Reports
https://read.qxmd.com/read/38598443/what-influences-the-performance-of-carbon-emissions-in-china-research-on-the-inter-provincial-carbon-emissions-conditional-configuration-impacts
#22
JOURNAL ARTICLE
Weidong Chen, Dongli Li, Quanling Cai, Kaisheng Di, Caiping Liu, Mingxing Wang
The severe global warming issue currently threatens humans' existence and development. Countries and international organizations have effectively implemented policies to reduce carbon emissions and investigate low-carbon growth strategies. Reducing carbon emissions is a hot topic that academics and government policy-making departments are concerned about.Through necessary condition analysis (NCA) and fuzzy set qualitative comparative analysis(fsQCA), this paper investigates local governments' configuration linkage effect and path choice to improve carbon emission performance from six dimensions: energy consumption, industrial structure, technological innovation, government support, economic development, and demographic factors...
2024: PloS One
https://read.qxmd.com/read/38598383/representing-noisy-image-without-denoising
#23
JOURNAL ARTICLE
Shuren Qi, Yushu Zhang, Chao Wang, Tao Xiang, Xiaochun Cao, Yong Xiang
A long-standing topic in artificial intelligence is the effective recognition of patterns from noisy images. In this regard, the recent data-driven paradigm considers 1) improving the representation robustness by adding noisy samples in training phase (i.e., data augmentation) or 2) pre-processing the noisy image by learning to solve the inverse problem (i.e., image denoising). However, such methods generally exhibit inefficient process and unstable result, limiting their practical applications. In this paper, we explore a non-learning paradigm that aims to derive robust representation directly from noisy images, without the denoising as pre-processing...
April 10, 2024: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://read.qxmd.com/read/38597920/molecular-mechanisms-of-sorbed-ion-effects-during-boehmite-particle-aggregation
#24
JOURNAL ARTICLE
Tingting Liu, Nikhil Rampal, Elias Nakouzi, Benjamin A Legg, Jaehun Chun, Lili Liu, Gregory K Schenter, James J De Yoreo, Lawrence M Anovitz, Andrew G Stack
Classical theories of particle aggregation, such as Derjaguin-Landau-Verwey-Overbeek (DLVO), do not explain recent observations of ion-specific effects or the complex concentration dependence for aggregation. Thus, here, we probe the molecular mechanisms by which selected alkali nitrate ions (Na+ , K+ , and NO3 - ) influence aggregation of the mineral boehmite (γ-AlOOH) nanoparticles. Nanoparticle aggregation was analyzed using classical molecular dynamics (CMD) simulations coupled with the metadynamics rare event approach for stoichiometric surface terminations of two boehmite crystal faces...
April 10, 2024: Langmuir: the ACS Journal of Surfaces and Colloids
https://read.qxmd.com/read/38596084/decentralized-restoration-of-distribution-systems-with-coupling-neighboring-microgrids
#25
JOURNAL ARTICLE
Qi Cui, Feng Liu
In this study, a multi-agent system (MAS) is incorporated in a decentralized strategy to restore distribution systems while taking into account coupling neighboring microgrids (CNMGs). This provides modeling for renewable energy sources (RESs), electric vehicles (EVs), battery storage systems (BSS) and load. The desired and most favorable restoration path is found by the MAS, in which zone agents are dispersed across the distribution system. The MAS can also manage microgrids (MGs) overloaded as the unbalance operation of RESs, BSS, EVs, and load...
April 15, 2024: Heliyon
https://read.qxmd.com/read/38595774/bismuth-based-perovskite-derivates-with-thermal-voltage-exceeding-40-mv-k
#26
JOURNAL ARTICLE
Vanira Trifiletti, Matteo Massetti, Alberto Calloni, Sally Luong, Andrea Pianetti, Silvia Milita, Bob C Schroeder, Gianlorenzo Bussetti, Simona Binetti, Simone Fabiano, Oliver Fenwick
Heat is an inexhaustible source of energy, and it can be exploited by thermoelectronics to produce electrical power or electrical responses. The search for a low-cost thermoelectric material that could achieve high efficiencies and can also be straightforwardly scalable has turned significant attention to the halide perovskite family. Here, we report the thermal voltage response of bismuth-based perovskite derivates and suggest a path to increase the electrical conductivity by applying chalcogenide doping. The films were produced by drop-casting or spin coating, and sulfur was introduced in the precursor solution using bismuth triethylxanthate...
April 4, 2024: Journal of Physical Chemistry. C, Nanomaterials and Interfaces
https://read.qxmd.com/read/38593555/applying-convolutional-neural-networks-to-data-on-unstructured-meshes-with-space-filling-curves
#27
JOURNAL ARTICLE
Claire E Heaney, Yuling Li, Omar K Matar, Christopher C Pain
This paper presents the first classical Convolutional Neural Network (CNN) that can be applied directly to data from unstructured finite element meshes or control volume grids. CNNs have been hugely influential in the areas of image classification and image compression, both of which typically deal with data on structured grids. Unstructured meshes are frequently used to solve partial differential equations and are particularly suitable for problems that require the mesh to conform to complex geometries or for problems that require variable mesh resolution...
March 11, 2024: Neural Networks: the Official Journal of the International Neural Network Society
https://read.qxmd.com/read/38593537/multivariate-curve-resolution-alternating-least-squares-augmented-with-partial-least-squares-baseline-correction-applied-to-mid-ir-laser-spectra-resolves-protein-denaturation-by-reducing-rotational-ambiguity
#28
JOURNAL ARTICLE
Shilpa Vijayakumar, Andreas Schwaighofer, Georg Ramer, Bernhard Lendl
High spectral power density provided by advances in external cavity quantum cascade lasers (EC-QCL) have enabled increased transmission path lengths in mid-infrared (mid-IR) spectroscopy for more sensitive measurement of proteins in aqueous solutions. These extended path lengths also facilitate flow through measurements by avoiding congestion of the flow cell by protein aggregates. Despite the advantages presented by laser-based mid-IR spectroscopy of proteins, extraction of secondary structure information from spectra, especially in the presence of complex multi-component matrices with overlapping spectral features, remains an impediment that requires fine tuning of evaluation algorithms (e...
March 30, 2024: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://read.qxmd.com/read/38586801/an-unusual-high-bifurcation-of-the-brachial-artery-a-cadaveric-case-report
#29
Kanchan Jangir, Brij Raj Singh, Nancy Nair, Ankit Badge
The human vascular system exhibits a remarkable degree of anatomical variability, with deviations from conventional arterial branching patterns occasionally encountered. Among these variations, the atypical bifurcation has drawn attention for its infrequent occurrence and potential clinical implications. This study investigates the rare anatomical variation of high bifurcation seen during cadaver dissection in the brachial artery. It emphasizes the relevance of understanding such variations in established vascular anatomy and their clinical implications...
March 2024: Curēus
https://read.qxmd.com/read/38586403/farmers-perceptions-of-sustainable-agriculture-in-the-red-river-delta-vietnam
#30
JOURNAL ARTICLE
Quang Anh Phung, Nga Dao
While economic growth and food security in Vietnam's Red River Delta are heavily reliant on agriculture, the intensive use of agricultural land has resulted in various negative impacts on the environment, such as soil degradation, water pollution, biodiversity loss, and health effects on humans and animals. The current situation emphasizes an increased need for sustainable agriculture practices in the region. Understanding farmers' decision-making processes and identifying factors that influence their choices is crucial in order to promote their adoption of sustainable agriculture practices...
April 15, 2024: Heliyon
https://read.qxmd.com/read/38582913/oriented-feature-pyramid-network-for-small-and-dense-wheat-heads-detection-and-counting
#31
JOURNAL ARTICLE
Junwei Yu, Weiwei Chen, Nan Liu, Chao Fan
Wheat head detection and counting using deep learning techniques has gained considerable attention in precision agriculture applications such as wheat growth monitoring, yield estimation, and resource allocation. However, the accurate detection of small and dense wheat heads remains challenging due to the inherent variations in their size, orientation, appearance, aspect ratios, density, and the complexity of imaging conditions. To address these challenges, we propose a novel approach called the Oriented Feature Pyramid Network (OFPN) that focuses on detecting rotated wheat heads by utilizing oriented bounding boxes...
April 6, 2024: Scientific Reports
https://read.qxmd.com/read/38577425/study-on-the-transformation-of-nitrate-nitrogen-by-manganese-catalyzed-iron-carbon-micro-electrolysis-and-microbial-coupling
#32
JOURNAL ARTICLE
Qiong Wan, Xiayin Li, Feng Wang, Guohong Yang, Kai Ju, Hongbin Jing, Kun Li, Peng He, Xinyan Zhang
Nitrate-nitrogen pertains to the nitrogen component of the overall nitrate present in a given sample in order to reduce nitrate nitrogen pollution in water, nitrate nitrogen removal methods based on iron-carbon micro-electrolysis have become a key research focus. The process and mechanism of nitrate nitrogen removal by microbial coupling was comprehensively explored in a novel iron-carbon micro-electrolysis (ICME) system. In order to establish the transformation pathway of nitrate nitrogen in water, the transformation paths of nitrate nitrogen in water before and after coupling microorganisms in three groups of continuous flow reaction devices, namely sponge iron (s-Fe0 ), sponge iron + biochar (s-Fe0 /BC) and sponge iron + biochar + manganese sand (s-Fe0 /BC/MS), were studied...
April 3, 2024: RSC Advances
https://read.qxmd.com/read/38571644/the-study-on-mechanical-model-considering-optimal-self-adaption-in-the-bottleneck-area
#33
JOURNAL ARTICLE
Longcheng Yang, Huajun Wang, Jun Hu, Hongyu Pan, Juan Wei, Lei You, Hao Zhang, Junxi Wang
It aims to solve the problem that the evacuation state of pedestrians depicted by the traditional social force model in a crowded multiexit scenario has a relatively large difference with the actual state, especially the 'optimal path' considered by the self-driving force is the problem of shortest path, and the multiexit evacuation mode depicted by the 'herd behavior' is the local optimum problem. Through in-depth analysis of actual evacuation data of pedestrians and causes of problem, a new crowd evacuation optimization model is established in order to effectively improve the simulation accuracy of crowd evacuation in a multi-exit environment...
April 15, 2024: Heliyon
https://read.qxmd.com/read/38571084/refractivity-corrected-distance-measurement-using-the-intermode-beats-derived-from-a-supercontinuum
#34
JOURNAL ARTICLE
Pabitro Ray, David Salido-Monzú, Robert Presl, Jemil Avers Butt, Andreas Wieser
Simultaneous distance measurements on two or more optical wavelengths enable dispersion-based correction of deviations that result from insufficient knowledge of the refractive index along the signal propagation path. We demonstrate a supercontinuum-based approach for highly accurate distance measurements suitable for such an inline refractivity compensation. The distance is estimated from the phase delay observations on the intermode beats. We use a supercontinuum (SC) coherently broadened from a 780 nm frequency comb and spanning the spectral range of 570-970 nm...
March 25, 2024: Optics Express
https://read.qxmd.com/read/38568667/wavefront-aberration-determination-in-non-axially-symmetrical-optical-systems
#35
JOURNAL ARTICLE
Psang Dain Lin
Non-axially symmetrical optical systems can provide better solutions to several optical design problems. However, determining their wavefront aberrations is challenging due to the great diversity of their configurations. Accordingly, in the present study, the optical path length (OPL) between two boundaries in a non-axially symmetrical system is expanded by a Taylor series expansion with respect to the base ray. This expansion converts the OPL from a deep composite function to a polynomial form. The various order wavefront aberrations are then obtained from the coefficients of the polynomials in terms of the system independent variables...
April 1, 2024: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://read.qxmd.com/read/38568640/optimal-design-of-a-gravitational-wave-telescope-system-for-the-suppression-of-stray-light
#36
JOURNAL ARTICLE
Rong Liang, Xiaojun Zhou, Huangrong Xu, Dengshan Wu, Chenxi Li, Weixing Yu
For gravitational wave detection, the telescope is required to have an ultra-low wavefront error and ultra-high signal-to-noise ratio, where the power of the stray light should be controlled on the order of less than 10-10 . In this work, we propose an alternative stray light suppression method for the optical design of an off-axis telescope with four mirrors by carefully considering the optimal optical paths. The method includes three steps. First, in the period of the optical design, the stray light caused by the tertiary mirror and the quaternary mirror is suppressed by increasing the angle formed by the optical axes of the tertiary mirror and the quaternary mirror and reducing the radius of curvature of the quaternary mirror as much as possible to make sure the optical system provides a beam quality with a wavefront error less than λ /80...
March 10, 2024: Applied Optics
https://read.qxmd.com/read/38568543/multimode-heralded-single-photons-based-on-the-dlcz
#37
JOURNAL ARTICLE
Shengzhi Wang, Minjie Wang
High-quality single-photon sources are crucial for the development of simple quantum devices. Quantum communication stands at the forefront of cutting-edge technologies, promising unprecedented levels of security and efficiency. A cornerstone of this revolutionary field is the development of high-speed single-photon sources, which play a pivotal role in quantum key distribution and other quantum communication protocols. In this context, the concept of space multimode emerges as a promising avenue to propel the capabilities of single-photon sources to new heights...
April 1, 2024: Applied Optics
https://read.qxmd.com/read/38568531/phase-retrieval-algorithm-applied-to-high-energy-ultrafast-lasers
#38
JOURNAL ARTICLE
Jikai Wang, Abdolnaser Ghazagh, Sonam Smitha Ravi, Stefan Baumbach, Benjamin Dannecker, Michael Scharun, Dominik Bauer, Stefan Nolte, Daniel Flamm
A standardized phase retrieval algorithm is presented and applied to an industry-grade high-energy ultrashort pulsed laser to uncover its spatial phase distribution. We describe in detail how to modify the well-known algorithm in order to characterize particularly strong light sources from intensity measurements only. With complete information about the optical field of the unknown light source at hand, virtual back propagation can reveal weak points in the light path such as apertures or damaged components...
April 1, 2024: Applied Optics
https://read.qxmd.com/read/38565013/oxidation-of-branched-chain-amino-acids-by-hocl-kinetics-and-mechanism
#39
JOURNAL ARTICLE
Fruzsina Simon, István Fábián, Mária Szabó
The kinetics of the chlorination of leucine, isoleucine, and valine (BCAAs) was studied in excess HOCl by stopped-flow and spectrophotometric methods (25 ◦ C, I = 1.0 M NaClO4 ). The intermediates and products were identified and monitored by 1 H NMR spectroscopy. It was established that these reactions are fully analogous and proceed according to distinct mechanisms under alkaline and neutral conditions. At high pH, the formation and subsequent rate determining decomposition of N-monochloroamino acid control the process...
March 28, 2024: Journal of Hazardous Materials
https://read.qxmd.com/read/38564273/differentiating-the-yield-of-chemical-reactions-using-parameters-in-first-order-kinetic-equations-to-identify-elementary-steps-that-control-the-reactivity-from-complicated-reaction-path-networks
#40
JOURNAL ARTICLE
Yu Harabuchi, Tomohiko Yokoyama, Wataru Matsuoka, Taihei Oki, Satoru Iwata, Satoshi Maeda
The yield of a chemical reaction is obtained by solving its rate equation. This study introduces an approach for differentiating yields by utilizing the parameters of the rate equation, which is expressed as a first-order linear differential equation. The yield derivative for a specific pair of reactants and products is derived by mathematically expressing the rate constant matrix contraction method, which is a simple kinetic analysis method. The parameters of the rate equation are the Gibbs energies of the intermediates and transition states in the reaction path network used to formulate the rate equation...
April 2, 2024: Journal of Physical Chemistry. A
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