检索结果-内蒙古大学图书馆

Environmental Functional Materials 2025年

作者： Aqib Zahoor Xiao Liu Yuxin Liu Shengyong Liu Wang Yi Shahdev Sajnani Lingyu Tai Nadeem Tahir Boré Abdoulaye Mahaveer Yuan Liu Zia ur Rahman Martina Damizia Benedetta de Caprariis International Joint Research Center for the Control and Prevention of Environmental Pollution on Tropical lslands of Hainan Province Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province School of Environmental Science and Engineering Hainan University Haikou 570228 P. R. China Collaborative Innovation Center of Biomass Energy Henan Agricultural University Zhengzhou 450002 School of Environmental Science and Engineering Tianjin University Tianjin 300350 P. R. China Faculty of Civil and Environmental Engineering Gdańsk University of Technology ul. Narutowicza 11/12 80-233 Gdańsk Poland Interdisciplinary Research Center for Refining and Advanced Chemicals King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia Department of Chemical Engineering Materials and Environment Sapienza University of Rome Via Eudossiana 18 00184 Rome Italy

Globally, roughly 380 trillion liters of wastewater are generated annually, with a significant portion remaining untreated due to expensive treatment and lack of expertise, consequently, leading severe environmental and public health problems. This research aims to identify the most environmentally sustainable and eco-friendly approach to wastewater treatment. Results shows that, agricultural lignocellulose-based biomass (ALCB) biochar is highly effective for wastewater treatment due to its abundance, cost-effectiveness, and excellent adsorption properties. The ability of sustaining high carbon content makes it a valuable carbon sink beneficial for the carbon reduction. Annually, ALCB is widely available as a byproduct in developing countries like China 716 (million tons) Mt, India 605 Mt, Brazil 451 Mt, Pakistan 285 Mt as well as in developed regions U.S.A 682 Mt, and Europe 580 Mt. Pyrolysis, gasification, and torrefaction are mostly used methods for ALCB biochar production. Physicochemical properties including surface area, porosity, functional groups, pH, and elemental composition notably affected by production methods, feedstock types and reactor designs determine the adsorption performance and environmental safety of ALCB biochar. The adsorption mechanisms of the organic and inorganic pollutant on biochar are ion exchange, complexation, electrostatic attraction, pore-filings, and physical adsorption, etc. LCA assessment revealed that the utilization of ALCB biochar on wastewater treatment offers several economic, environmental, and educational benefits through the aspect of waste management, revenue generation, job creations, pollution control, trading and skill developments.

关键词： Agricultural lignocellulose-based biochar Pyrolysis Pollutant adsorption Sustainable water treatment Environmental and economic benefits

来源：评论

学校读者我要写书评

暂无评论

DE based economic control chart design and application for a typical petrochemical process

引用

Frontiers of Engineering Management 2017年第3期4卷 348-356页

作者： Zhi LI Feng QIAN Wenli DU Weimin ZHONG Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education East China University of Science and Technology

Petrochemical industry plays an important role in the development of the national economy. Purified terephthalic acid(PTA) is one of the most important intermediate raw materials in the petrochemical and chemical fiber industries. PTA production has two parts:p-xylene(PX) oxidation process and crude terephthalic acid(CTA) hydropurification process. The CTA hydropurification process is used to reduce impurities, such as 4-carboxybenzaldehyde, which is produced by a side reaction in the PX oxidation process and is harmful to the polyester industry. From the safety and economic viewpoints, monitoring this process is necessary. Four main faults of this process are analyzed in this study. The common process monitoring methods always use T^2 and SPE statistic as control limits. However, the traditional methods do not fully consider the economic viewpoint. In this study, a new economic control chart design method based on the differential evolution(DE) algorithm is developed. The DE algorithm transforms the economic control chart design problem to an optimization problem and is an excellent solution to such problem. Case studies of the main faults of the hydropurification process indicate that the proposed method can achieve minimum profit *** method is useful in economic control chart design and can provide guidance for the petrochemical industry.

关键词： petrochemical PTA economic control chart design process monitoring DE algorithm

来源：评论

学校读者我要写书评

暂无评论

Unraveling Ultrafast Photoionization in Hexagonal Boron Nitride

arXiv

引用

arXiv 2021年

作者： Xue, Lianjie Liu, Song Hang, Yang Summers, Adam M. Wilson, Derrek J. Wang, Xinya Chen, Pingping Folland, Thomas G. Hachtel, Jordan A. Shi, Hongyu Hosseini-Zavareh, Sajed Das, Suprem R. Lei, Shuting Zhang, Zhuhua Sorensen, Christopher M. Guo, Wanlin Caldwell, Joshua D. Edgar, James H. Blaga, Cosmin I. Trallero-Herrero, Carlos A. Department of Physics Kansas State University ManhattanKS66506 United States Tim Taylor Department of Chemical Engineering Kansas State University ManhattanKS66506 United States J. R. Macdonald Laboratory Department of Physics Kansas State University ManhattanKS66506 United States State Key Laboratory of Mechanics and Control of Mechanical Structures Institute of Nano Science Nanjing University of Aeronautics and Astronautics Nanjing210016 China Advanced Laser Light Source and few-cycle Inc. Institut Nationale de la Recherche Scientifique 1650 Boul. Lionel-Boulet VarennesQCJ3X 1P7 Canada Department of Industrial and Manufacturing Systems Engineering Kansas State University ManhattanKS66506 United States Department of Mechanical Engineering Vanderbilt University NashvilleTN37212 United States Center for Nanophase Materials Science Oak Ridge National Laboratory Oak Ridge37830 United States Department of Electrical and Computer Engineering Kansas State University ManhattanKS66506 United States Department of Physics University of Connecticut StorrsCT06269 United States

The non-linear response of dielectrics to intense, ultrashort electric fields has been a sustained topic of interest for decades with one of its most important applications being femtosecond laser micro/nano-machining. More recently, renewed interests in strong field physics of solids were raised with the advent of mid-infrared femtosecond laser pulses, such as high-order harmonic generation, optical-field-induced currents, etc. All these processes are underpinned by photoionization (PI), namely the electron transfer from the valence to the conduction bands, on a time scale too short for phononic motion to be of relevance. Here, in hexagonal boron nitride, we reveal that the bandgap can be finely manipulated by femtosecond laser pulses as a function of field polarization direction with respect to the lattice, in addition to the field’s intensity. It is the modification of bandgap that enables the ultrafast PI processes to take place in dielectrics. We further demonstrate the validity of the Keldysh theory in describing PI in dielectrics in the few TW/cm2 regime. © 2021, CC BY.

关键词： Photoionization

来源：评论

学校读者我要写书评

暂无评论

The decoder performance comparison in the closed-loop BMI system based on MPC

The decoder performance comparison in the closed-loop BMI sy...

引用

第37届中国控制会议

作者： Hongguang Pan Wenyu Mi Jinggao Sun Baocang Ding College of Electric and Control Engineering Xi'an University of Science and Technology Key Laboratory of Advanced Control and Optimization Technology of Ministry of Education East China University of Science and Technology School of Electronic and Information Engineering Xi'an Jiaotong University

Brain-machine interface(BMI) can be used to translate the neural activities of the brain into the control signals for the artificial arm, aiming to offer the disabled patients greater interaction with the world. In recent years, some emerging technologies, such as back propagation(BP) neural network and recurrent neural networks(RNN) with long-short term memory(LSTM), have been adopted in many fields. Hence, we firstly design four decoders based on the classical Wiener filter and Kalman filter, and the emerging BP neural network and RNN with LSTM, and compare the performance of these decoders offline. Secondly, considering the advantages of the model predictive control(MPC), we design an auxiliary controller based on MPC algorithm to form a closed-loop BMI system, and compare the performance of four decoders online.

关键词： Decoder design Model predictive control Performance comparison Online Offline

来源：评论

学校读者我要写书评

暂无评论

An Atom-Pair Design Strategy for Optimizing the Synergistic Electron Effects of Catalytic Sites in NO Selective Reduction

引用

Angewandte Chemie 2022年第52期134卷

作者： Weiye Qu Haiyang Yuan Zhouhong Ren Jizhen Qi Dongrun Xu Junxiao Chen Prof. Liwei Chen Prof. Huagui Yang Prof. Zhen Ma Prof. Xi Liu Prof. Haifeng Wang Prof. Xingfu Tang Department of Environmental Science and Engineering Fudan University Shanghai 200438 China Key Laboratory for Advanced Materials Research Institute of Industrial Catalysis and Centre for Computational Chemistry School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China Key Laboratory for Ultrafine Materials of Ministry of Education Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China In situ Center for Physical Sciences School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 China i-Lab CAS Center for Excellence in Nanoscience Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO) Chinese Academy of Sciences Suzhou 215123 China Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092 China

Effective adsorption and speedy surface reactions are vital requirements for efficient active sites in catalysis, but it remains challenging to maximize these two functions simultaneously. We present a solution to this issue by designing a series of atom-pair catalytic sites with tunable electronic interactions. As a case study, NO selective reduction occurring on V 1 −W 1 /TiO 2 is chosen. Experimental and theoretical results reveal that the synergistic electron effect present between the paired atoms enriches high-energy spin charge around the Fermi level, simultaneously rendering reactant (NH 3 or O 2 ) adsorption more effective and subsequent surface reactions speedier as compared with single V or W atom alone, and hence higher reaction rates. This strategy enables us to rationally design a high-performance V 1 −Mo 1 /TiO 2 catalyst with optimized vanadium(IV)-molybdenum(V) electronic interactions, which has exceptional activity significantly higher than the commercial or reported catalysts.

关键词： Atom-Pair Catalytic Sites Reaction Mechanisms Selective Catalytic Reduction Surface Reactions Synergistic Electron Effects

来源：评论

学校读者我要写书评

暂无评论

One dimensional nearly free electron states in borophene

arXiv

引用

arXiv 2019年

作者： Kong, Longjuan Liu, Liren Chen, Lan Zhong, Qing Cheng, Peng Li, Hui Zhang, Zhuhua Wu, Kehui Institute of Physics Chinese Academy of Sciences Beijing100190 China School of physics University of Chinese Academy of Sciences Beijing100049 China State Key Laboratory of Mechanics and Control of Mechanical Structures Key Laboratory for Intelligent Nano Materials Devices of Ministry of Education Nanjing University of Aeronautics and Astronautics Nanjing210016 China Songshan Lake Materials Laboratory Dongguan Guangdong523808 China Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing100029 China

Two-dimensional boron (borophene) is featured by its structural polymorphs and distinct in-plane anisotropy, opening opportunities to achieve tailored electronic properties by intermixing different phases. Here, using scanning tunneling spectroscopy combined with first-principles calculations, delocalized one-dimensional nearly free electron states (NFE) in the (2,3) or 12 borophene sheet on the Ag(111) surface were observed. The NFE states emerge from a line defect in the borophene, manifested as a structural unit of the (2,2) or 3 sheet, which creates an in-plane potential well that shifts the states toward the Fermi level. The NFE states are held in the 2D plane of borophene, rather than in the vacuum region as observed in other nanostructures. Furthermore the borophene can provide a rare prototype to further study novel NFE behaviors, which may have potential applications on transport or field emission nanodevices based on boron. Copyright © 2019, The Authors. All rights reserved.

关键词： Electrons

来源：评论

学校读者我要写书评

暂无评论

Orthogonal nonnegative matrix factorization based local hidden Markov model for multimode process monitoring

引用

Chinese Journal of chemical Engineering 2016年第7期24卷 856-860页

作者： Fan Wang Honglin Zhu Shuai Tan Hongbo Shi Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology

Traditional data driven fault detection methods assume that the process operates in a single mode so that they cannot perform well in processes with multiple operating modes. To monitor multimode processes effectively,this paper proposes a novel process monitoring scheme based on orthogonal nonnegative matrix factorization(ONMF) and hidden Markov model(HMM). The new clustering technique ONMF is employed to separate data from different process modes. The multiple HMMs for various operating modes lead to higher modeling *** proposed approach does not presume the distribution of data in each mode because the process uncertainty and dynamics can be well interpreted through the hidden Markov estimation. The HMM-based monitoring indication named negative log likelihood probability is utilized for fault detection. In order to assess the proposed monitoring strategy, a numerical example and the Tennessee Eastman process are used. The results demonstrate that this method provides efficient fault detection performance.

关键词： Multimode processFault detectionHidden Markov modelOrthogonal nonnegative matrix factorization

来源：评论

学校读者我要写书评

暂无评论

A Neuron-Significance-Index-based Self-organization Pruning Algorithm for S-LINN

引用

IFAC-PapersOnLine 2017年第1期50卷 14976-14981页

作者： Yang, Gang Wang, Le Chen, Wen Dai, Lizhen Yang, Hui School of Electrical and Automation Engineering East China Jiaotong University Key Laboratory of Advanced Control and Optimization of Jiangxi Province Nanchang330013 China Division of Engineering Technology Wayne State University DetroitMI48202 United States

For constructing a span-lateral inhibition neural network (S-LINN) with optimal architecture and parameters for actual application, an improved self-organizing optimization approach is proposed in this paper to tune the architecture and parameters simultaneously. This self-organization pruning algorithm can prune insignificant hidden neurons automatically through building a modified significance index function to evaluate the significance of hidden neurons. A preprocessing training of the initial network with assumed redundant hidden neurons will be allowed in the tuning process. A subsequent learning after the self-organization pruning process is also implemented to optimize the parameters of pruned network. The proposed self-organizing approach has been tested on nonlinear dynamic system identification benchmark problem. Simulation results demonstrate that the proposed method has good exploration and exploitation capabilities in terms of searching the optimal structure and parameters for S-LINN. © 2017

关键词： Neural networks Dynamical systems Network architecture Neurons Nonlinear dynamical systems Structural optimization Exploration and exploitation Lateral inhibition Optimal architecture Pruning Redundant hidden neurons Self organizations Self organizing approaches Self organizing optimization

来源：评论

学校读者我要写书评

暂无评论

FRDPC subspace construction integrated with Bayesian inference for efficient monitoring of dynamic chemical processes 36

FRDPC subspace construction integrated with Bayesian inferen...

引用

第36届中国控制会议

作者： Yang Wang Qingchao Jiang Jingqi Fu School of Mechatronic Engineering and Automation Shanghai University School of Electric Engineering Shanghai Dianji University Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology

ISBN: (纸本)9781538629185

Modern chemical processes are usually characterized by large-scale,complex correlation,and strong dynamics,and monitoring of such processes is *** paper proposes a performance-driven fault-relevant dynamic principal component(FRDPC) subspace construction integrated with Bayesian inference method to achieve efficient monitoring for dynamic chemical ***,dynamic principal component analysis is employed to deal with both auto-correlation and cross-correlation among ***,considering fault information has no definite mapping to a certain dynamic principal component(DPC) and the existence of non-beneficial DPCs may cause redundancy in the monitoring,an FRDPC subspace is constructed for each fault through the performance-driven DPC *** new process measurements are examined in each FRDPC subspace as well as the residual *** monitoring results in all subspaces are fused to a comprehensive index through Bayesian inference to provide an intuitive indication of the process *** studies on a numerical example and the Tennessee Eastman benchmark process indicate the efficiency.

关键词： fault detection dynamic principal component analysis Bayesian inference dynamic chemical processes

来源：评论

学校读者我要写书评

暂无评论

Scatter Search Based Particle Swarm optimization Algorithm for Earliness/Tardiness Flowshop Scheduling with Uncertainty

引用

International Journal of Automation and computing 2016年第3期13卷 285-295页

作者： Jia-Can Geng Zhe Cui Xing-Sheng Gu Key Laboratory of Advanced Control and Optimization for Chemical Process Ministry of EducationEast China University of Science and Technology

Considering the imprecise nature of the data in real-world problems, the earliness/tardiness （E/T） fiowshop scheduling problem with uncertain processing time and distinct due windows is concerned in this paper. A fuzzy scheduling model is established and then transformed into a deterministic one by employing the method of maximizing the membership function of middle value. Moreover, an effective scatter search based particle swarm optimization （SSPSO） algorithm is proposed to minimize the sum of total earliness and tardiness penalties. The proposed SSPSO algorithm incorporates the scatter search （SS） algorithm into the frame of particle swarm optimization （PSO） algorithm and gives full play to their characteristics of fast convergence and high diversity. Besides, a differential evolution （DE） scheme is used to generate solutions in the SS. In addition, the dynamic update strategy and critical conditions are adopted to improve the performance of SSPSO. The simulation results indicate the superiority of SSPSO in terms of effectiveness and efficiency.

关键词： Earliness/tardiness （E/T） scheduling fuzzy modeling scatter search （SS） particle swarm optimization （PSO）.

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：