兰州大学机构库

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On Chebyshev accelerated iteration methods for two-by-two block linear systems 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021, 卷号: 391
Authors:  Liang, Zhao-Zheng;  Zhang, GF(张国凤)
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Iterative method  Chebyshev acceleration  Convergence analysis  Block structured linear system  
Efficient preconditioning techniques for velocity tracking of Stokes control problem 期刊论文
Applied Numerical Mathematics, 2021, 卷号: 165, 页码: 322-338
Authors:  Liang, Zhao-Zheng;  Dou, Yan
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Eigenvalues and eigenfunctions  Iterative methods  Linear systems  Numerical methods  Optimal control systems  Spectrum analysis  Control problems  Iterative solution methods  Krylov subspace acceleration  Optimal control problem  PDE-constrained optimization  Preconditioners  Preconditioning  Preconditioning techniques  Stokes flows  Velocity tracking  
Fast preconditioned iterative methods for fractional Sturm–Liouville equations 期刊论文
Numerical Methods for Partial Differential Equations, 2021, 卷号: 37, 期号: 3, 页码: 2278-2295
Authors:  Zhang, Lei;  Zhang, GF(张国凤);  Liang, Zhao-Zheng
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Computation theory  Iterative methods  Linear systems  Matrix algebra  Numerical methods  Tensors  Discretized systems  Fast convergence speed  Krylov subspace acceleration  Numerical experiments  Preconditioned iterative methods  Preconditioned matrix  Related coefficients  Solution techniques  
A restrictive preconditioner for the system arising in half-quadratic regularized image restoration 期刊论文
Applied Mathematics Letters, 2021, 卷号: 115
Authors:  Zhao, Pei-Pei;  Huang, YM(黄玉梅)
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Conjugate gradient method  Linear systems  Matrix algebra  Newton-Raphson method  Numerical methods  Restoration  Ill conditioned problems  Image restoration problem  Numerical experiments  Preconditioned matrix  Regularization methods  Spectral properties  Structured systems  Symmetric positive definite  
Effect of regulated deficit irrigation on alfalfa performance under two irrigation systems in the inland arid area of midwestern China 期刊论文
AGRICULTURAL WATER MANAGEMENT, 2021, 卷号: 248
Authors:  Liu, Minguo;  Wang, ZK(王自奎);  Mu, Le;  Xu, Rui;  Yang, HM(杨惠敏)
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Lucerne  Dry matter yield  Forage quality  Irrigation water use efficiency  Flood irrigation  Subsurface drip irrigation  Regulated deficit irrigation  
Soil microbial DNA concentration is a powerful indicator for estimating soil microbial biomass C and N across arid and semi-arid regions in northern China 期刊论文
APPLIED SOIL ECOLOGY, 2021, 卷号: 160
Authors:  Gong, Haiyang;  Du, Qiajun;  Xie, Shubin;  Hu, Weigang;  Akram, Muhammad Adnan;  Hou, Qingqing;  Dong, Longwei;  Sun, Ying;  Manan, Abdul;  Deng, Yan...Gong, Haiyang;  Du, Qiajun;  Xie, Shubin;  Hu, Weigang;  Akram, Muhammad Adnan;  Hou, Qingqing;  Dong, Longwei;  Sun, Ying;  Manan, Abdul;  Deng, Yan;  Ran, JZ(冉金枝);  Deng, JM(邓建明)
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Microbial biomass  Soil DNA  Vegetation/microhabitat types  Fumigation methods  GC content  
The association between serum alanine aminotransferase and hypertension: A national based cross-sectional analysis among over 21 million Chinese adults 期刊论文
BMC CARDIOVASCULAR DISORDERS, 2021, 卷号: 21, 期号: 1
Authors:  Jia, Jiajing;  Yang, Ying;  Liu, Fangchao;  Zhang, Minjin;  Xu, Qin;  Guo, Tonglei;  Wang, Long;  Peng, Zuoqi;  He, Yuan;  Wang, Yuanyuan...Jia, Jiajing;  Yang, Ying;  Liu, Fangchao;  Zhang, Minjin;  Xu, Qin;  Guo, Tonglei;  Wang, Long;  Peng, Zuoqi;  He, Yuan;  Wang, Yuanyuan;  Zhang, Ya;  Zhang, Hongguang;  Shen, Haiping;  Zhang, Yiping;  Yan, Donghai;  Ma, Xu;  Zhang, Puhong
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Alanine aminotransferase  Hypertension  Blood pressure  China  Cross-sectional study  
High-sensitivity photoelectrochemical visible-blind ultraviolet detector using SrTiO3nanocrystalline for weak irradiation 期刊论文
Journal of Physics D: Applied Physics, 2021, 卷号: 54, 期号: 9
Authors:  Zhu, Ziran;  Wei, Kun;  Li, Hui;  Li, Xiaopeng;  Li, Baoping;  Gu, Xiuyun;  Chen, Lulu;  Zhou, Jinyuan;  Pan, Xiaojun;  Wang, Youqing...Zhu, Ziran;  Wei, Kun;  Li, Hui;  Li, Xiaopeng;  Li, Baoping;  Gu, Xiuyun;  Chen, Lulu;  Zhou, Jinyuan;  Pan, Xiaojun;  Wang, Youqing
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Electrochemistry  Electrolytes  Irradiation  Nanocomposites  Photocurrents  Strontium titanates  Tin oxides  Ultraviolet detectors  Fast response time  Fluorine doped tin oxide  High sensitivity  Nano-crystalline films  Nanocrystallines  Photocurrent density  Photoelectrochemicals  Solar blind ultraviolet  
Disentangling the effects of environmental and communities' factors on species' biomass inequality in Qinghai-Tibetan grassland systems 期刊论文
ECOLOGICAL INDICATORS, 2021, 卷号: 122
Authors:  Qi, W(齐威);  Jia, P(贾鹏);  Luo, Shuaiwei;  Kang, Xiaomei;  Du, GZ(杜国祯)
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Abundance  Biotic interaction  'Environment constraint' mechanism  'Resource competition' mechanism  Species diversity  Size inequality  Structural equation model  Qinghai-Tibetan grasslands  
Analysis of modified SSOR method for augmented linear systems 期刊论文
COMPUTATIONAL & APPLIED MATHEMATICS, 2021, 卷号: 40, 期号: 2
Authors:  Liang, Zhao-Zheng;  Zhang, GF(张国凤)
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Augmented linear system  SSOR method  Optimal parameters  Convergence