Search Results - "Liu, Donghan"

Topological relation preserving streamline compression based on B-spline curves with bounded error by Liu, Donghan, Wang, Wenke

“…Streamline is one of the most commonly used visualization methods to describe flow field data. With the increase in data scale, the accurate storage of…”
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Octave-wide broadening of ultraviolet dispersive wave driven by soliton-splitting dynamics by Chen, Tiandao, Pan, Jinyu, Huang, Zhiyuan, Yu, Yue, Liu, Donghan, Chang, Xinshuo, Liu, Zhengzheng, He, Wenbin, Jiang, Xin, Pang, Meng, Leng, Yuxin, Li, Ruxin

“…Coherent dispersive wave emission, as an important phenomenon of soliton dynamics, manifests itself in multiple platforms of nonlinear optics from fibre…”
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The Prediction of Oceanic Mesoscale Eddy Properties and Propagation Trajectories Based on Machine Learning by Wang, Xin, Wang, Huizan, Liu, Donghan, Wang, Wenke

“…Mesoscale eddies play an important role in ocean circulation, material energy exchange and variation of ocean environments. Machine learning methods can…”
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Research on flood risk analysis and evaluation method based on variable fuzzy sets and information diffusion by Li, Qiong, Zhou, Jianzhong, Liu, Donghan, Jiang, Xingwen

“…► We study a model for flood risk analysis with variable fuzzy sets and information diffusion method. ► The first study to apply the fuzzy VFS-IDM model of…”
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Polarization-Dependent Distortion of the Vortex Light Field Generated Using a Vortex Retarder by Pan, Jinyu, Huang, Zhiyuan, Chen, Tiandao, Liu, Donghan, Yu, Yue, Chang, Xinshuo, Pang, Meng, Leng, Yuxin

“…A vortex retarder (VR) is a widely-used optical component for converting Gaussian light beams into vortex beams, exhibiting unique advantages in a few…”
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Study on the Material Basis of Houpo Wenzhong Decoction by HPLC Fingerprint, UHPLC-ESI-LTQ-Orbitrap-MS, and Network Pharmacology by Luo, Juyuan, Chen, Gongsen, Liu, Donghan, Wang, Yan, Qi, Qi, Hu, Haiyan, Li, Pengyue, Bai, Jie, Du, Shouying, Lu, Yang, Wang, Yuming, Liu, Cun

“…Houpo Wenzhong Decoction (HWD) as a classical prescription has been widely used for hundreds of years. However, the quality of HWDs is difficult to control…”
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Transition-metal-free approach to quinolines via direct oxidative cyclocondensation reaction of N,N-dimethyl enaminones with o-aminobenzyl alcohols by Rao, Kairui, Chai, Zhangmengjie, Zhou, Pan, Liu, Donghan, Sun, Yulin, Yu, Fuchao

“…A transition-metal-free method for the construction of 3-substituted or 3,4-disubstituted quinolines from readily available N , N -dimethyl enaminones and o…”
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Monitoring of Poyang lake water for sewage contamination using human enteric viruses as an indicator by Zhu, Hui, Yuan, Fang, Yuan, Zhaokang, Liu, Rong, Xie, Fei, Huang, Ling, Liu, Xiaojun, Jiang, Xiaoqing, Wang, Jian, Xu, Qunying, Shen, Zhiqiang, Liu, Donghan, Zhang, Ronghao, Lu, Yuanan

“…Recreational water contaminated with fecal pollution poses a great public health concern, as fecal waste may cause serious waterborne illnesses. Current…”
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Analysis and modelling of flood risk assessment using information diffusion and artificial neural network by Li, Q, Jiang, X, Liu, D

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Disaster Risk Assessment Based on Variable Fuzzy Sets and Improved Information Diffusion Method by Li, Qiong, Zhou, Jianzhong, Liu, Donghan, Tang, Gang, Zou, Qiang

“…The predictive analysis of natural disasters and their consequences is challenging because of uncertainties and incomplete data. The present article studies…”
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Synthesis and Characterization of Furan-Based Non-Ionic Surfactants (fbnios) by Liu, Donghan, Duhamel, Jean, Gauthier, Mario

“…Two series of furan-based non-ionic surfactants (fbnios) were prepared by a combination of Williamson ether synthesis and anionic polymerization of ethylene…”
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Design of Zeolite Frameworks with Defined Pore Geometry through Constrained Assembly of Atoms by Li, Yi, Yu, Jihong, Liu, Donghan, Yan, Wenfu, Xu, Ruren, Xu, Ying

“…A computational method for design of zeolite frameworks with specified pore geometry has been developed through constrained assembly of atoms around a…”
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Preparation of Thiazole-2-thiones through TBPB-Promoted Oxidative Cascade Cyclization of Enaminones with Elemental Sulfur by Zhang, Biao, Liu, Donghan, Sun, Yulin, Zhang, Yajing, Feng, Jiayi, Yu, Fuchao

“…An unprecedented method for the construction of thiazole-2-thiones via an oxidative cascade cyclization strategy is described. The novel protocol involves the…”
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Copper‐Catalyzed Oxidative [1+2+1+2] Cascade Cyclization of N,N‐Dimethyl Enaminones with Benzylamines: A Facile Access to Functionalized 1,4‐Dihydropyridines by Sun, Yulin, Chai, Zhangmengjie, Liu, Donghan, Zhang, Mingshuai, Chen, Longkun, Liu, Zhuoyuan, Wang, Yongchao, Yu, Fuchao

“…Using benzylamines as the C4 source of 1,4‐dihydropyridines (1,4‐DHPs), a Cu‐catalyzed oxidative [1+2+1+2] cascade cyclization for the synthesis of 1,4‐DHPs…”
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An Oxidative [3+2+1] Cyclization of Enaminones and N‐Alkenyl‐2‐pyrrolidinone: Access to Polysubstituted 4‐Alkylated 1,4‐dihydropyridines by Chai, Zhangmengjie, Chen, Longkun, Liu, Zhuoyuan, Sun, Yulin, Liu, Donghan, Zhang, Mingshuai, Wang, Yongchao, Yu, Fuchao

“…An oxidative [3+2+1] cyclization of enaminones and N‐alkenyl‐2‐pyrrolidinone is described for the synthesis of 4‐alkylated 1,4‐dihydropyridines (1,4‐DHPs). By…”
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Copper(II)‐Mediated Intermolecular Radical [3+2]‐Annulation of N,N‐Dimethyl Enaminones: Direct Access to 5‐Acyl‐3‐Furancarboxaldehydes by Zhang, Biao, Zhou, Pan, Xu, Hui, Huang, Jiuzhong, Sun, Yulin, Liu, Donghan, Yu, Fuchao

“…Copper(II)‐mediated unprecedented intermolecular radical [3+2] annulation of N,N‐dimethyl enaminones has been developed. The protocol is promoted simply by…”
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Chemical components with antibacterial properties found in sanchen powder from traditional Tibetan medicine by Zhao, Yueying, Xi, Cheng, Liu, Donghan, Ren, Xiaoqiao, Fan, Jiayi, Tangthianchaichana, Jakkree, Lu, Yang, Wu, Huichao

“…Sanchen powder is a traditional Tibetan medicine comprising Bambusae Concretio Silicea, Carthami Flos, and Bovis Calculus Artifactus. Bambusae Concretio…”
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Characterization and manipulation of temporal structures of dispersive waves in a soliton fiber laser by Huang, Qi, Huang, Zhiyuan, He, Wenbin, Zhang, Xintong, Liu, Donghan, Wang, Xiaocong, Leng, Yuxin, Pang, Meng

“…Dispersive waves (DWs) are ubiquitous in nonlinear optical systems that host optical solitons. In particular, DWs in soliton fiber lasers have attracted…”
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Synthesis of 4‑Alkylated 1,4-Dihydropyridines: Fe(II)-Mediated Oxidative Cascade Cyclization Reaction of Cyclic Ethers with Enaminones by Sun, Yulin, Liu, Zhuoyuan, Liu, Donghan, Zhang, Mingshuai, Chen, Longkun, Chai, Zhangmengjie, Chen, Xue-Bing, Yu, Fuchao

“…Syntheses of highly functionalized 4-alkylated 1,4-dihydropyridines (1,4-DHPs) from cyclic ethers and enaminones via iron­(II)-mediated oxidative free radical…”
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Oxidative C(sp3)−N Cleavage Cascade Cyclization of N‐Uracil Amidines and Tertiaryamines: Switchable Divergent Synthesis of Functionalized Pyrimidouracils and Dihydropyrimidouracils by Chen, Longkun, Zhang, Mingshuai, Liu, Zhuoyuan, Liu, Donghan, Sun, Yulin, Wang, Yongchao, Yu, Fuchao

“…The divergent synthesis of dihydropyrimidouracil and pyrimidouracil derivatives from N‐uracil amidines and tertiaryamines by an oxidative C(sp3)−N cleavage…”
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