Search Results - "Zang, Yiming"
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Non-positively curved Ricci Surfaces with catenoidal ends
Published in Manuscripta mathematica (01-09-2023)“…A Ricci surface is defined to be a Riemannian surface ( M , g M ) whose Gauss curvature K satisfies the differential equation K Δ K + g M d K , d K + 4 K 3 = 0…”
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Generalized Ricci Surfaces
Published in The Journal of geometric analysis (01-08-2024)“…We consider smooth Riemannian surfaces whose curvature K satisfies the relation Δ log | K - c | = a K + b away from points where K = c for some ( a , b , c ) ∈…”
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Numerical Study on Comparison of Negative and Positive Surface Discharge in c-C4F8/CF3I/CO2 Gas Mixture
Published in Shanghai jiao tong da xue xue bao (01-04-2024)“…The dynamics of negative surface discharges in c-C 4 F 8 /CF 3 I/CO 2 gas mixture is investigated here with a 2D fluid model. The distributions of ion…”
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A Novel Optical Localization Method for Partial Discharge Source Using ANFIS Virtual Sensors and Simulation Fingerprint in GIL
Published in IEEE transactions on instrumentation and measurement (2021)“…Partial discharge (PD) detection and localization is one of the most effective methods in gas-insulated transmission lines (GIL) insulation fault diagnosis,…”
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A novel partial discharge localization method for GIL based on the 3D optical signal irradiance fingerprint and bagging‐KELM
Published in IET generation, transmission & distribution (01-08-2021)“…Partial discharge (PD) is one of the main reasons that endanger the safe operation of power equipment. The effective detection and localization of PD in a…”
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Numerical Modelling of Positive Surface Discharges in C-C4F8/CF3I/N2 Gas Mixture under Non-Uniform Field
Published in Energies (Basel) (09-12-2021)“…As an environmentally friendly gas with good insulation and stable chemical properties, CF3I gas mixture is considered as a potential alternative to SF6 gas to…”
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Partial Discharge Pattern Recognition Based on 3D Graphs of Phase Resolved Pulse Sequence
Published in Energies (Basel) (01-08-2020)“…Partial discharge (PD) is an important phenomenon that reflects the insulation condition of electrical equipment. In order to protect the safety of power…”
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Two-dimensional simulation of transition from primary to secondary streamer discharge in air
Published in AIP advances (01-09-2019)“…A Two-dimensional simulation of the atmospheric pressure needle-plane streamer discharge is presented in this paper. The model consists of three continuity…”
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Production of Conjoined Transgenic and Edited Barley and Wheat Plants for Nud Genes Using the CRISPR/SpCas9 System
Published in Frontiers in genetics (05-05-2022)“…The ( ) gene controls the caryopsis type of cereal crops by regulating lipid biosynthetic pathways. Based on the sequence and its homologous gene sequences in…”
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Method of GIL partial discharge localization based on natural neighbour interpolation and ECOC‐MLP‐SVM using optical simulation technology
Published in High voltage (01-06-2021)“…Partial discharge (PD) is one of the main causes rendering the deterioration of the insulation state in gas‐insulated transmission line (GIL). Accurate and…”
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Publisher’s Note: “Two-dimensional simulation of transition from primary to secondary streamer discharge in air” [AIP Advances 9, 095028 (2019)]
Published in AIP advances (01-10-2019)Get full text
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Volatile Composition in Two Pummelo Cultivars (Citrus grandis L. Osbeck) from Different Cultivation Regions in China
Published in Molecules (Basel, Switzerland) (29-04-2017)“…This study investigated the composition of volatile compounds in two pummelo cultivars, including 'Shatian' and 'Guanxi', cultivated in different regions of…”
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Influence of Different Structure and Specification Parameters on the Propagation Characteristics of Optical Signals Generated by GIL Partial Discharge
Published in Energies (Basel) (01-06-2020)“…Partial discharge (PD) leads to the generation of electrical, acoustic, optical, and thermal signals. The propagation characteristics of optical signals in gas…”
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A Comparison of Soil C, N, and P Stoichiometry Characteristics under Different Thinning Intensities in a Subtropical Moso bamboo (Phyllostachys edulis) Forest of China
Published in Forests (01-11-2022)“…Land management using suitable thinning intensities can promote the yield of Moso bamboo (Phyllostachys edulis) forests and alter the nutrient content and…”
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A Novel Partial Discharge Detection Method Based on the Photoelectric Fusion Pattern in GIL
Published in Energies (Basel) (28-10-2019)“…Optical detection and ultrahigh frequency (UHF) detection are two significant methods of partial discharge (PD) detection in the gas-insulated transmission…”
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A Method for Separating Multisource Partial Discharges in a Substation Based on Selected Bispectra of UHF Signals
Published in Applied sciences (01-06-2020)“…A method for separating multisource partial discharges (PDs) in a substation is proposed based on selected bispectra of ultrahigh frequency (UHF)…”
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Amplitude Distribution of Partial Discharge Signals on Tunnel-Installed High-Voltage Cables
Published in Applied sciences (01-11-2019)“…For 110 kV and above tunnel-installed high-voltage (HV) cross-linked poly-ethylene (XLPE) cable systems, it is a normal procedure to adopt a cross-bonding…”
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Constructions of helicoidal minimal surfaces and minimal annuli in E(2)
Published in Annals of global analysis and geometry (01-10-2022)“…In this article, we construct two one-parameter families of properly embedded minimal surfaces in a three-dimensional Lie group E ( 2 ) ~ , which is the…”
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Constructions of helicoidal minimal surfaces and minimal annuli in $$\widetilde{E(2)}
Published in Annals of global analysis and geometry (01-10-2022)Get full text
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Nonlinear dimension reduction for functional data with application to clustering
Published in Statistica Sinica (01-07-2024)Get full text
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