13 found
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Chao Zhang [8]Chaomo Zhang [3]Chaozhong Zhang [1]Chaowei Zhang [1]
  1.  20
    A Hybrid Fuzzy Wavelet Neural Network Model with Self-Adapted Fuzzy C-Means Clustering and Genetic Algorithm for Water Quality Prediction in Rivers.Mingzhi Huang, Hongbin di TianLiu, Chao Zhang, Xiaohui Yi, Jiannan Cai, Jujun Ruan, Tao Zhang, Shaofei Kong & Guangguo Ying - 2018 - Complexity 2018:1-11.
    Water quality prediction is the basis of water environmental planning, evaluation, and management. In this work, a novel intelligent prediction model based on the fuzzy wavelet neural network including the neural network, the fuzzy logic, the wavelet transform, and the genetic algorithm was proposed to simulate the nonlinearity of water quality parameters and water quality predictions. A self-adapted fuzzy c-means clustering was used to determine the number of fuzzy rules. A hybrid learning algorithm based on a genetic algorithm and gradient (...)
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  2.  7
    Optimizing Long-Term Bank Financial Products Portfolio Problems with a Multiobjective Evolutionary Approach.Jian Xiong, Chao Zhang, Gang Kou, Rui Wang, Hisao Ishibuchi & Fawaz E. Alsaadi - 2020 - Complexity 2020:1-18.
    With the development of economy, the requirement of financial planning for individuals or families is emerging. In the era of the Internet, individual investors can conveniently enter the market and purchase financial products. Traditional portfolio management models focus on risky markets such as stock markets. However, risk-averse investors, such as normal families, may concern appropriate long-term financial planning. This paper considers the problem of portfolio management of bank financial products with a long-term planning horizon. By taking into account the final (...)
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  3.  11
    A Pythagorean Fuzzy Multigranulation Probabilistic Model for Mine Ventilator Fault Diagnosis.Chao Zhang, Deyu Li, Yimin Mu & Dong Song - 2018 - Complexity 2018:1-19.
    In coal mining industry, the running state of mine ventilators plays an extremely significant role for the safe and reliable operation of various industrial productions. To guarantee the better reliability, safety, and economy of mine ventilators, in view of early detection and effective fault diagnosis of mechanical faults which could prevent unscheduled downtime and minimize maintenance fees, it is imperative to construct some viable mathematical models for mine ventilator fault diagnosis. In this article, we plan to establish a data-based mine (...)
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  4.  7
    Adaptive Neural Tracking Control of Robotic Manipulators with Guaranteed NN Weight Convergence.Jun Yang, Jing Na, Guanbin Gao & Chao Zhang - 2018 - Complexity 2018:1-11.
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  5.  23
    The Performance Study on the Long-Span Bridge Involving the Wireless Sensor Network Technology in a Big Data Environment.Liwen Zhang, Chao Zhang, Zhuo Sun, You Dong & Pu Wei - 2018 - Complexity 2018:1-13.
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  6. A New Method of Mineral Inversion Based on Error Analysis and Static Response Equation Error: A Case Study of a Shale Gas Reservoir in the Wufeng-Longmaxi Formation.Weinan Liu, Chaomo Zhang, Zhansong Zhang, Jun Li, Linqi Zhu, Song Hu & Xueqing Zhou - 2022 - Interpretation 10 (1):T117-T126.
    The accurate quantitative calculation of mineral components is very important and basic work in formation evaluation. Using well-log data to estimate mineralogy and porosity is a mainstream method with core measurements often used. However, in shale reservoirs, there are many mineral components, such as organic matter and pyrite. In addition, the pore structure is complex, and gas exists in the pores as free state, adsorbed state, and dissolved state. These factors make the logging response characteristics more complex and thus the (...)
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  7. Zhong Yi Zhe Xue de Shi Dai Shi Ming.Chaozhong Zhang (ed.) - 2009 - Zhongguo Zhong Yi Yao Chu Ban She.
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  8.  20
    Characteristics of Resting-State Functional Connectivity in Intractable Unilateral Temporal Lobe Epilepsy Patients with Impaired Executive Control Function.Chao Zhang, Hongyu Yang, Wen Qin, Chang Liu, Zhigang Qi, Nan Chen & Kuncheng Li - 2017 - Frontiers in Human Neuroscience 11.
  9.  9
    Experimental Investigation of the Influence of Cellulose Ether on the Floating of Rubber Particles in Mortar.Jian Liang, Bin Zhang, Changshun Liu & Chao Zhang - 2019 - Complexity 2019:1-12.
    As a kind of hyperelastic material, rubber can be mixed into mortar to improve the anticracking ability and ductility of concrete. The mixture of rubber can change the internal structure of concrete through physical interaction, without changing the chemical properties of each component in the mortar. But since the apparent density of rubber is far less than the density of cement-based materials, rubber particles are likely to separate from cement-based materials in the mixture of rubber and mortar, and consequently, rubber (...)
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  10.  12
    Inversion of the Permeability of a Tight Gas Reservoir with the Combination of a Deep Boltzmann Kernel Extreme Learning Machine and Nuclear Magnetic Resonance Logging Transverse Relaxation Time Spectrum Data.Linqi Zhu, Chong Zhang, Yang Wei, Xueqing Zhou, Yuyang Huang & Chaomo Zhang - 2017 - Interpretation: SEG 5 (3):T341-T350.
    In view of the low accuracy of the existing nuclear magnetic-resonance logging permeability model in tight sandstone reservoirs, we derive a relationship between the NMR [Formula: see text] spectrum and permeability based on the transverse relaxation theory of NMR and the Kozeny-Carman equation. We determined the reasons for the low accuracy of the model through the theoretical analysis. We have developed the deep Boltzmann kernel extreme learning machine to improve the deep-learning algorithm and to predict the reservoir permeability based on (...)
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  11.  13
    Sample Document – Inversion of the Permeability of a Tight Gas Reservoir with the Combination of a Deep Boltzmann Kernel Extreme Learning Machine and Nuclear Magnetic Resonance Logging Transverse Relaxation Time Spectrum Data.Linqi Zhu, Chong Zhang, Yang Wei, Xueqing Zhou, Yuyang Huang & Chaomo Zhang - forthcoming - Interpretation: SEG:1-43.
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  12.  4
    Moderate-to-Severe Depression Adversely Affects Lung Function in Chinese College Students.Liya Guo, Jianhua Cao, Peng Cheng, Dongzhe Shi, Bing Cao, Guang Yang, Siyu Liang, Nan Su, Miao Yu, Chaowei Zhang, Rui Liang, Yaru Wang, Cuijin Bai, Chang Chen & Zhongyu Ren - 2020 - Frontiers in Psychology 11.
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  13.  2
    Applicability of the Dual-Factor Model of Mental Health in the Mental Health Screening of Chinese College Students.Rong Xiao, Chao Zhang, Qiaozhen Lai, Yanfei Hou & Xiaoyuan Zhang - 2021 - Frontiers in Psychology 11.
    Traditional mental health models focus on psychopathological symptoms. In contrast, a dual-factor model of mental health integrates psychopathology and subjective well-being into a mental health continuum, and it is adjustment and supplement for traditional mental health research paradigm. The present study explores the applicability of a dual-factor model of mental health in mental health screening of Chinese college students. To assess mental health statuses of 2,065 college students, we used Flourishing Scale Chinese Version, Satisfaction With Life Scale, the seven-item Patient (...)
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