20 Result(s)

Article

Transcranial direct current stimulation inhibits epileptic activity propagation in a large-scale brain network model

Transcranial direct current stimulation (tDCS) is a noninvasive technique that uses constant, low-intensity direct current to regulate brain activities. Clinical studies have shown that cathode-tDCS (c-tDCS) i...

Ying Yu, YuBo Fan, Fang Han, GuoMing Luan… in Science China Technological Sciences (2023)

Article

Functional modular organization unfolded by chimera-like dynamics in a large-scale brain network model

The brain is organized as a complex network architecture, which can be mapped into structural (SC) and functional connectivity (FC) by advanced neuroimaging techniques. Achievements in brain network research h...

ZiLu Liu, Ying Yu, QingYun Wang in Science China Technological Sciences (2022)

Article

Robust control of uncertain robotic systems: An adaptive friction compensation approach

This paper solves the robust control problem of robotic manipulator systems with uncertain dynamics by friction compensation approach. A weighting factor is introduced to distinguish the role of friction in co...

QiShao Wang, Han Zhuang, ZhiSheng Duan… in Science China Technological Sciences (2021)

Article

Finite-time adaptive formation control for multi-agent systems with uncertainties under collision avoidance and connectivity maintenance

In this paper, the problem of adaptive finite time formation control is investigated for double integrator multi-agent systems with uncertainties. Firstly, considering the multi-agent systems with uncertain dy...

**aoYan He, QingYun Wang, YuQing Hao in Science China Technological Sciences (2020)

Article

Distribution Characteristics of Extracellular Polymeric Substance Extracted from Dewatered Sludge Treated with Enzymes and Thermal Pressure

Extracellular polymeric substance (EPS), a high molecular weight biological polymer that can bind to a large amount of organic matter and moisture, plays a vital role in the process of sludge formation and str...

Weiyun Wang, Lingyun Wang, Xuemei Gao, Tianhua Yang… in Waste and Biomass Valorization (2018)

Article

Effect of the coordinated reset stimulations on controlling absence seizure

Based on a macroscopic mean-field model associating with the thalamus and cerebral cortex, we investigate how the newly proposed coordinated reset stimulation (CRS) strategy controls the absence seizures as so...

ZhiHui Wang, QingYun Wang in Science China Technological Sciences (2017)

Article

Synchronization and bursting transition of the coupled Hindmarsh-Rose systems with asymmetrical time-delays

The study of synchronization and bursting transition is very important and valuable in cognitive activities and action control of brain as well as enhancement for the reliability of the cortex synapses. Howeve...

DengGui Fan, QingYun Wang in Science China Technological Sciences (2017)

Article

The conditions for onset of beta oscillations in an extended subthalamic nucleus-globus pallidus network

The persistence of beta oscillations generated in the basal ganglia is typical pathological characteristic of Parkin-son’s disease. In this paper, we construct a new network model, which is mainly composed of ...

Bing Hu, QingYun Wang in Science China Technological Sciences (2014)

Article

Bifurcation analysis for Hindmarsh-Rose neuronal model with time-delayed feedback control and application to chaos control

This paper is concerned with bifurcations and chaos control of the Hindmarsh-Rose (HR) neuronal model with the time-delayed feedback control. By stability and bifurcation analysis, we find that the excitable n...

Hai**a Wang, QingYun Wang, YanHong Zheng in Science China Technological Sciences (2014)

Article

Dynamical analysis of bursting oscillations in the Chay-Keizer model with three time scales

Based on the Chay-Keizer model with three time scales, we investigate the role of the slowest variable in generating bursting oscillations in pancreatic β-cells. It is shown that both of the two slow processes...

Pan Meng, QiShao Lu, QingYun Wang in Science China Technological Sciences (2011)

Article

Scanning for signatures of geographically restricted selection based on population genomics analysis

Natural selection, as the driving force of human evolution, has direct impact on population differentiation. However, it is still unclear to what extent the genetic differentiation has been caused by natural s...

LiBin Deng, **aoLi Tang, Jian Kang, QingYun Wang… in Chinese Science Bulletin (2007)

Article

F-box proteins in flowering plants

In eukaryotes, the ubiquitin-mediated protein degradation pathway has been shown to control several key biological processes such as cell division, development, metabolism and immune response. F-box proteins, ...

Hongyun Wang, Jian Huang, Zhao Lai, Yongbiao Xue in Chinese Science Bulletin (2002)

Article

Relative dielectric constant from dry rocks

Relative dielectric constant is an important physical factor in the theory of microwave remote sensing and electromagnetic transmission. This note reports the results of detecting relative dielectric constant ...

**angyun Wang, Huadong Guo, Chao Wang, Peirong Chen… in Chinese Science Bulletin (1999)

Article

Application of ERS-1 scatterometer data to studying land surfaces

ERS-1 WSC data were obtained by international cooperation. The distributive characteristics of radar backscattering coefficient image of China land surface are analyzed and the research results are presented. ...

**angyun Wang, Chao Wang, Huadong Guo, Yangshen Shi in Chinese Science Bulletin (1998)

Article

Refinement of the crystal structure for a new mineral —antimonselite

The crystal structure of a new mineral of the stibnite group, Sb₂Se₃, has been determined. The cell constants, obtained by least-squares calculation from direct θ-value’s measurements on the diffractometer are: a...

Maozhong Min, Jian** Zhai, **angyun Wang, Baopei Shen… in Chinese Science Bulletin (1998)

Article

Interactions between rare earths and 3,5,3′-triiodothyronine (T₃)

Ruiyao Wang, Feng Gao, Chunji Niu, Kuiyue Yang, Jiazuan Ni… in Chinese Science Bulletin (1997)