检索结果-内蒙古大学图书馆

Chinese Automation Congress (CAC)

作者： Lijiang Fu Jinglu Tan Yongnian Jiang Suleyman I. Allakhverdiev Zhenyu Xu Ya Guo Key Laboratory of Advanced Process Control for Light Industry Ministry of Education Jiangnan University Wuxi China Department of Chemical & Biomedical Engineering University of Missouri Columbia Missouri USA Jiangsu Zhongnong IoT Technology Co. LTD Yixing China Timiryazev Institute of Plant Physiology RAS Moscow Russia Longcom Internet of Things Co. Ltd Hefei China

ISBN: (数字)9798350368604

ISBN: (纸本)9798350368611

Accurate estimation of gross primary production (GPP, ecosystem level photosynthesis) is critical for monitoring terrestrial ecosystems. However, most of the current models used for GPP estimation are with many unknown parameters and rarely include the effects of soil water stress due to the covariation of soil moisture and air humidity. In addition, grasslands, as the most widely distributed ecosystems in the world, have simple ecosystem structure and are easily affected by soil drought. Therefore, in this paper, we applied photosynthesis-hydrology coordination optimization theory and soil water potential based on soil moisture effect to develop a combined model (PH model) for GPP estimation of grassland ecosystems and used the US-Var grassland ecosystem, one of the FLUXNET sites from January to July 2004 (the driest period in recent years) as an example to validate the model. The results show that the model can effectively track the measured GPP during soil drought period and is better than the result from another commonly used photosynthesis coordination model (Pmodel) which does not consider the effect of soil drought. Further, we can infer the vegetation photosynthetic capacity parameters including the maximum carboxylation capacity (V cmax) and the maximum electron-transport capacity (Jmax) under the effect of soil drought. The result also shows that if soil drought is not considered, the photosynthetic capacity parameters of vegetation will be overestimated. These results provide evidence for the application of photosynthesis-hydrology coordination theory in the assessment of ecosystem carbon cycle under the intensified climate changes.

关键词： Grasslands Soil measurements Biological system modeling Atmospheric modeling Droughts Soil moisture Estimation Vegetation optimization Stress

来源：评论

学校读者我要写书评

暂无评论

Two Feature Fusion Network Based on Efficient Deep Residual Shrinkage Spatial-Temporal Graph Convolution for Emotion Recognition from Gaits

Two Feature Fusion Network Based on Efficient Deep Residual ...

引用

Chinese control and Decision Conference, CCDC

作者： Xiaoqing Liu Sen Zhang Wendong Xiao School of Automation and Electrical Engineering University of Science and Technology Beijing Beijing China Key Laboratory of Advanced Control of Iron and Steel Process (Ministry of Education) Beijing China Shunde Graduate School University of Science and Technology Beijing Foshan China Beijing Engineering Research Center of Industrial Spectrum Imaging Beijing China

ISBN: (纸本)9781665478977

Emotion Recognition plays a key role in human social activities. Most current methods choose facial information for emotion recognition. But facial information is easily limited by distance in large scenes. Gait information can break this limitation, but the amount of publicly available data is small. This paper proposes two feature fusion network based on efficient deep residual shrinkage spatial-temporal graph convolution to achieve automatic emotion recognition from gaits in large scenes. Firstly chebyshev polynomial approximation graph convolution is combined with efficient deep residual shrinkage network to obtain efficient deep residual shrinkage spatial-temporal graph convolution network to extract deep features. Then sixteen temporal affective features extracted from gaits are used as input of efficient deep residual shrinkage network to extract new affective features. Finally the deep features is spliced with new affective features to divided emotion into happy,angry,sad and neutral. We performed a ten-flod cross-validation experiment on the E-gait real datasets. The highest recognition accuracy is 0.87, with an average of 0.85. Experimental results show that the proposed model is effective in dealing with emotion recognition promblem from gait in fewer sample situation.

关键词： Emotion recognition Convolution Chebyshev approximation Feature extraction

来源：评论

学校读者我要写书评

暂无评论

High density plasma-based SiOx:H thin films deposition for Si surface passivation

High density plasma-based SiOx:H thin films deposition for S...

引用

2014第十届中国太阳级硅及光伏发电研讨会

作者： Zhou Haiping Xu Shuyan Xiao Shaoqing School of Energy Science and Engineering University of Electronic Science and Technology of China Chengdu SichuanChina Nanyang Technological UniversityNIE and IASNanyang walk 1637616Singapore Key Laboratory of Advanced Process Control for Light Industry(Ministry of education)Department of Electronic EngineeringJiangnan UniversityWuxiChina

来源：评论

学校读者我要写书评

暂无评论

Nontargeted Metabolomic Evidence for Antagonism between Tetracycline and its Resistance Bacteria Underlying Their Obesogenic Effects on Caenorhabditis Elegans

SSRN

引用

SSRN 2022年

作者： Li, Zhuo Yu, Zhenyang Cui, Changzheng Yin, Daqiang State Key Laboratory of Pollution Control and Resource Reuse Key Laboratory of Yangtze River Water Environment Ministry of Education College of Environmental Science and Engineering Tongji University Shanghai200092 China Shanghai Institute of Pollution Control and Ecological Security Shanghai200092 China Jiaxing Tongji Institute for Environment Zhejiang Jiaxing314051 China State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process School of Resources and Environmental Engineering East China University of Science and Technology Shanghai200237 China

Environmental antibiotics raise serious health concerns due to their contribution to the obesity prevalence. Moreover, antibiotics promote antibiotic resistance bacteria (ARB) which represent another emerging pollutant. However, the interaction between antibiotic and ARB in the obesogenic effects remained unexplored. In the present study, the obesogenic effects of tetracycline antibiotic (TCH) and ARB containing tetA were studied on C. elegans, and E. coli OP50 (OP50) was referred as a normal bacterial food. Results showed that TCH stimulated nematode triglyceride contents, while ARB alone had no significant influences. The combination of TCH and ARB showed less obesogenic effects than TCH alone, showing antagonism. Biochemical assays showed that the combination of TCH and ARB showed similar effects to ARB alone, and had less increases in lipid metabolism enzymes or metabolites than those of TCH or ARB alone, supporting the antagonism. In the nontargeted metabolomic analysis, TCH with ARB showed less significantly changed metabolites (SCMs) in the nematodes than TCH or ARB alone, partially explaining the antagonism. The metabolomic results also pointed out the significant involvement of amino acids, the carboxylic acids and derivatives, and also the benzene and substituted derivatives in the obesogenic effects of TCH and ARB. © 2022, The Authors. All rights reserved.

关键词： Antibiotics

来源：评论

学校读者我要写书评

暂无评论

Bio-Syncretic Light-gated Field-Effect Transistor: Fabrication and Characterization

Bio-Syncretic Light-gated Field-Effect Transistor: Fabricati...

引用

IEEE Conference on Nanotechnology

作者： Jia Yang Wenxue Wang Gongxin Li Guangyong Li Ning Xi Lianqing Liu State Key Laboratory of Robotics Institutes for Robotics and Intelligent Manufacturing Chinese Academy of Sciences Shenyang China State Key Laboratory of Robotics Intelligent Manufacturing Chinese Academy of Sciences Shenyang China Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education) Jiangnan University Wuxi China Department of Electrical and Computer Engineering University of Pittsburgh Pittsburgh United States Emerging Technologies Institute University of Hong Kong Pokfulam Hong Kong

Biological visual system has many intrinsic functional superiorities, such as small size, high sensitivity and no heat-sink cooling, which are hard to be completely replicated by electromechanical systems. The bio-syncretic design of sensing device with living materials may provide some functional superiorities to those conventional sensing devices, and will have great potential benefits in both biomedical and engineering applications. In this study, we developed a novel bio-syncretic light-gated field-effect transistor (FET), in which optogenetically engineered cells were used as the gate substitute for conventional gate electrode, and the exposure of the cells to light irradiation results in the variation of the transistor's channel current. The bio-syncretic transistor was fabricated by virtue of graphene film and optogenetically engineered cells, and its basic photo-responsive performance was then tested and characterized. This reference-less bio-syncretic transistor has a wide range of potential applications in photodetection and biosensing with good biocompatibility and stability.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Micro-Pyrolysis Perturbation Promotes Electrocatalytic Activity of Tetranuclear Nickel Clusters

SSRN

引用

SSRN 2023年

作者： Wang, Lu Li, Li Gan, Meixing Wang, Zheng Li, Tian Wang, Zhao Li, Yuebin Tao, Shi Peng, Xu Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry & Chemical Engineering Hubei University Wuhan430062 China School of Electronic and Information Engineering Jiangsu Laboratory of Advanced Functional Materials Changshu Institute of Technology Changshu215500 China Equine Science Research and Horse Doping Control Laboratory Wuhan Business University Wuhan43005 China

As for the preparation of efficient and stable electrocatalysts containing transition metal heteroatoms by high-temperature pyrolysis is intriguing. However, studies on the pyrolysis of complexes in low-temperature range to obtain efficient catalytic transport platforms are rare. Herein, we propose a micro-pyrolysis perturbation strategy in constructing nickel molecular cluster-based bifunctional electrocatalysts, derived from a case of the tetranuclear Schiff-based nickel molecular cluster Ni4 (Ni4(II)C46H68N4O18) with N, O coordination mode. the crystal structure undergoes mild decomposition of peripheral ligands during the pyrolysis process are revealed by in situ Thermogravimetry-mass spectrometry (TG-MS) and ex situ synchrotron-based X-ray absorption spectroscopy (XAS) technology. Besides, the metal active center inside the nickel molecular cluster Ni-O is able to be exposed on the surface in micro-pyrolysis perturbation rather than being covered or destroyed under traditional high-temperature pyrolysis. The bifunctional catalyst Ni4-350 displays a low overpotential of 247 mV for the OER, and 1.366 V for the UOR at 10 mA·cm-2, which is also stable in alkaline medium for 10 hours of continuous running. This model study highlights that the micro-pyrolysis perturbation strategy can provide stable highly active centers while retaining the host structural framework in Ni-based clusters with promising potential application in low-potential OER/UOR electrocatalysts. © 2023, The Authors. All rights reserved.

关键词： Pyrolysis

来源：评论

学校读者我要写书评

暂无评论

Study on control Scheme for the Inverters in Low Voltage Microgrid with Nonlinear Loads

引用

IOP Conference Series: Materials Science and Engineering 2017年第1期199卷

作者： Jiqiang Xu Wenzhou Lu Lei Wu Key Laboratory of Advanced Process Control for Light Industry Ministry of Education Jiangnan University Wuxi China 214122

There are a lot of nonlinear loads in real low voltage microgrid system. It will cause serious output voltage and grid current harmonic distortions problems in island and grid-connected modes, respectively. To solve this problem, this paper proposes a droop control scheme with quasi-proportion and resonant (quasi-PR) controller based on αβ stationary reference frame to make microgrid smoothly switch between grid-connected and island modes without changing control method. Moreover, in island mode, not only stable output voltage and frequency, but also reduced output voltage harmonics with added nonlinear loads can be achieved; In grid-connected mode, not only constant power, but also reduced grid current harmonics can be achieved. Simulation results verify the effectiveness of the proposed control scheme.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Nonlinear Cooperative Output Regulation with Input Delay Compensation

arXiv

引用

arXiv 2024年

作者： Zheng, Shiqi Ahn, Choon Ki Jiang, Xiaowei Yan, Huaicheng Shi, Peng The School of Automation China University of Geosciences Wuhan430079 China Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan430074 China The Engineering Research Center of Intelligent Technology for Geo-Exploration Ministry of Education Wuhan430074 China The Shaoyang Institute of Advanced Manufacturing Technology Shaoyang422000 China The School of Electrical Engineering Korea University Seoul136-701 Korea Republic of The Key Laboratory of Smart Manufacturing in Energy Chemical Process of Ministry of Education East China University of Science and Technology Shanghai200237 China The School of Electrical and Mechanical Engineering The University of Adelaide AdelaideSA5005 Australia

This paper investigates the cooperative output regulation (COR) of nonlinear multi-agent systems (MASs) with long input delay based on periodic event-triggered mechanism. Compared with other mechanisms, periodic event-triggered control can automatically guarantee a Zeno-free behavior and avoid the continuous monitoring of triggered conditions. First, a new periodic event-triggered distributed observer, which is based on the fully asynchronous communication data, is proposed to estimate the leader information. Second, a new distributed predictor feedback control method is proposed for the considered nonlinear MASs with input delay. By coordinate transformation, the MASs are mapped into new coupled ODE-PDE target systems with some disturbance-like terms. Then, we show that the COR problem is solvable. At last, to further save the communication resource, a periodic event-triggered mechanism is considered in the sensor-to-controller transmission in every agent. A new periodic event-triggered filter is proposed to deal with the periodic event-triggered feedback data. The MASs with input delay are mapped into coupled ODE-PDE target systems with sampled data information. Then, Lyapunov-Krasovskii functions are constructed to demonstrate the exponential stability of the MASs. Simulations verify the validity of the proposed results. © 2024, CC BY-NC-ND.

关键词： Feedback control

来源：评论

学校读者我要写书评

暂无评论

Tiny Adversarial Multi-Objective Oneshot Neural Architecture Search

arXiv

引用

arXiv 2021年

作者： Xie, Guoyang Wang, Jinbao Yu, Guo Zheng, Feng Jin, Yaochu Department of Computer Science University of Surrey Guildford SurreyGU2 7XH United Kingdom Department of Computer Science Southern University of Science and Technology Shenzhen518055 China Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education East China University of Science and Technology Shanghai 200237 China Faculty of Technology Bielefeld University Bielefleld D-33615 Germany

Due to limited computational cost and energy consumption, most neural network models deployed in mobile devices are tiny. However, tiny neural networks are commonly very vulnerable to attacks. Current research has proved that larger model size can improve robustness, but little research focuses on how to enhance the robustness of tiny neural networks. Our work focuses on how to improve the robustness of tiny neural networks without seriously deteriorating of clean accuracy under mobile-level resources. To this end, we propose a multiobjective oneshot network architecture search (NAS) algorithm to obtain the best trade-off networks in terms of the adversarial accuracy, the clean accuracy and the model size. Specifically, we design a novel search space based on new tiny blocks and channels to balance model size and adversarial performance. Moreover, since the supernet significantly affects the performance of subnets in our NAS algorithm, we reveal the insights into how the supernet helps to obtain the best subnet under white-box adversarial attacks. Concretely, we explore a new adversarial training paradigm by analyzing the adversarial transferability and the difference between training the subnets from scratch and fine-tuning. Finally, we make a statistical analysis for the layer-wise combination of certain blocks and channels on the first non-dominated front, which can serve as a guideline to design tiny neural network architectures for the resilience of adversarial perturbations. Copyright © 2021, The Authors. All rights reserved.

关键词： Multiobjective optimization

来源：评论

学校读者我要写书评

暂无评论

Degradation of Tetracycline with Fe1mg2-Bc as a Persulfate Activator: Performance and Reaction Mechanism

SSRN

引用

SSRN 2022年

作者： Fu, Wenhong Cheng, Min Liu, Yang Wang, Jun Xiong, Weiping Zhou, Chengyun Song, Biao Zhang, Gaoxia Xiao, Zhihua Li, Ling Du, Li Wang, Guangfu Ministry of Education Changsha410082 China School of Minerals Processing and Bioengineering Key Laboratory of Biohydrometallurgy of Ministry of Education Central South University Changsha410083 China Carbon Neutrality Research Institute of Power China Jiangxi Electric Power Construction Co. Ltd. Nanchang330001 China State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process School of Resource and Environmental Engineering East China University of Science and Technology Shanghai200237 China

Herein, a novel tetracycline (TC) removal strategy was established by activation of persulfate (PS) using Fe1Mg2-biochar (Fe1Mg2-BC), which was synthesized by wet impregnation method. Results revealed that TC elimination efficiency by Fe1Mg2-BC was significantly higher than those of BC and FeMg binary oxides, which may possibly result from the synergy of BC and FeMg binary oxides. Fortunately, Fe1Mg2-BC/PS method had an excellent ability for TC decomposition over a wide pH range of 3-11, and 87.3% of TC was removed after 60 min treatment. Several characterization methods were utilized to explore the properties of prepared materials. Quenching experiments and electron spin resonance (ESR) analyses confirmed that the superoxide radical (O2•−), followed by singlet oxygen (1O2) advanced TC degradation. The main degradation products were recognized by LC-MS measurement. Hence, the TC decomposition mechanism was proposed. Additionally, all the tests were also carried out in actual water samples. The results indicated that the Fe1Mg2-BC/PS system possessed the outstanding resistance for interferences in real water. This work proposes a new direction for the potential environmental applications of modified biochar. © 2022, The Authors. All rights reserved.

关键词： Degradation

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：