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Results: 4394
Performing Locality and Identity
Lijun Zhang
Sep 21, 2016
The paper examines the fusion of narratives, time, space, and personal identity through ethnographic study of rickshaw driver’s performance in the context of “Hutong tour” as a form of urban tourism in Beijing, a cosmopolitan...
Published by: Association of Cambridge Studies
Research on English Classroom Teaching Programs in Colleges and Universities Based on Wireless Communication Technology Support in the Context of 5G
Min Zhang
Jan 01, 2024
The purpose of this article is to investigate how 5G and wireless communication technologies (5G+WCT) might be applied to English language classroom programs in higher education. The paper describes the complimentary roles of 5G...
Published by: IGI Global Scientific Publishing
Deadzone compensation control based on detection of micro flow rate in pilot stage of proportional directional valve
The pilot operated proportional directional valves (POPDVs) with a flow rate ranging from 100 to 1000 L/min are widely used in electro-hydraulic systems (EHSs). The deadzone of the pilot stage valve and its control compensation...
Extreme Min – Cut Max – Flow Algorithm
In this article, the authors propose a maximum flow algorithm based on flow matrix. The algorithm only requires the effort to reduce the capacity of the underutilized arcs to that of the respective flow. The optimality of the...
Published by: IGI Global Scientific Publishing
Deadzone compensation control based on detection of micro flow rate in pilot stage of proportional directional valve
The pilot operated proportional directional valves (POPDVs) with a flow rate ranging from 100 to 1000 L/min are widely used in electro-hydraulic systems (EHSs). The deadzone of the pilot stage valve and its control compensation...
Identification of high risk clinical and imaging features for intracranial artery dissection using high-resolution cardiovascular magnetic resonance.
Zhang Shi, Xia Tian, Bing Tian, Zakaria Meddings, Xuefeng Zhang, Jing Li, David Saloner, Qi Liu, Zhongzhao Teng, Jianping Lu
Jul 28, 2021
Background
Intracranial artery dissection (IAD) often causes headache and cerebral vascular ischemic events. The imaging characteristics of IAD remain unclear. This study aims to characterize the appearance of culprit...
Air quality and obesity at older ages in China
Background: Population ageing and air pollution have emerged as two of the most pressing challenges in China. However, little evidence has explored the impact of air pollution on obesity among older adults in China. Methods: The...
Identification of high risk clinical and imaging features for intracranial artery dissection using high-resolution cardiovascular magnetic resonance
Zhang Shi, Xia Tian, Bing Tian, Zakaria Meddings, Xuefeng Zhang, Jing Li, David Saloner, Qi Liu, Zhongzhao Teng, Jianping Lu
Jun 14, 2021
Abstract: Background: Intracranial artery dissection (IAD) often causes headache and cerebral vascular ischemic events. The imaging characteristics of IAD remain unclear. This study aims to characterize the appearance of culprit...
Resilience Improving Strategy for Power Systems With High Wind Power Penetration Against Uncertain Attacks
This paper aims to produce a practical and efficient decision for the system operator to harden critical components in power systems with high wind power penetration against uncertain attacks. Thus, an adjustable robust...
Identification of high risk clinical and imaging features for intracranial artery dissection using high-resolution cardiovascular magnetic resonance.
Zhang Shi, Xia Tian, Bing Tian, Zakaria Meddings, Xuefeng Zhang, Jing Li, David Saloner, Qi Liu, Zhongzhao Teng, Jianping Lu
Jul 21, 2021
BACKGROUND: Intracranial artery dissection (IAD) often causes headache and cerebral vascular ischemic events. The imaging characteristics of IAD remain unclear. This study aims to characterize the appearance of culprit and...
Energy Efficiency Improvement of Heavy-Load Mobile Hydraulic Manipulator with Electronically Tunable Operating Modes
The conventional hydraulic drive system for a heavy-load mobile manipulator is usually operated under single mode, such that both inlet/outlet and potential energy losses are large to lower the energy efficiency. In this paper...
Air quality and obesity at older ages in China
BACKGROUND: Population ageing and air pollution have emerged as two of the most pressing challenges in China. However, little evidence has explored the impact of air pollution on obesity among older adults in China. METHODS: The...
Electric measurement of the critical current, AC loss, and current distribution of a prototype HTS cable
HTS cable is an emerging technology for electricity power transmission. It is very important to set up an accurate and easy-to-build measurement system to characterize HTS cables. In this paper, a novel measurement system has...
Energy Efficiency Improvement of Heavy-Load Mobile Hydraulic Manipulator with Electronically Tunable Operating Modes
The conventional hydraulic drive system for a heavy-load mobile manipulator is usually operated under single mode, such that both inlet/outlet and potential energy losses are large to lower the energy efficiency. In this paper...
Electric measurement of the critical current, AC loss, and current distribution of a prototype HTS cable
HTS cable is an emerging technology for electricity power transmission. It is very important to set up an accurate and easy-to-build measurement system to characterize HTS cables. In this paper, a novel measurement system has...
Resilience Improving Strategy for Power Systems With High Wind Power Penetration Against Uncertain Attacks
This paper aims to produce a practical and efficient decision for the system operator to harden critical components in power systems with high wind power penetration against uncertain attacks. Thus, an adjustable robust...
Total AC loss study of 2G HTS coils for fully HTS machine applications
The application of HTS coils for fully HTS machines has become a new research focus. In the stator of an electrical machine, HTS coils are subjected to a combination of an AC applied current and AC external magnetic field....
Neighbourhood deprivation, life satisfaction and earnings
Neighbourhood socioeconomic disadvantage has a profound impact on individuals’ earnings and life satisfaction. Since definitions of the neighbourhood and research designs vary greatly across studies, it is difficult to...
Vortex shaking study of REBCO tape with consideration of anisotropic characteristics
The second generation high temperature superconductor, specifically REBCO, has become a new research focus in the development of a new generation of high-field (>25 T) magnets. One of the main challenges in the application of...
Total AC loss study of 2G HTS coils for fully HTS machine applications
The application of HTS coils for fully HTS machines has become a new research focus. In the stator of an electrical machine, HTS coils are subjected to a combination of an AC applied current and AC external magnetic field....
Vortex shaking study of REBCO tape with consideration of anisotropic characteristics
The second generation high temperature superconductor, specifically REBCO, has become a new research focus in the development of a new generation of high-field (>25 T) magnets. One of the main challenges in the application of...
A review of high-speed electro-hydrostatic actuator pumps in aerospace applications
The continued development of electro-hydrostatic actuators (EHAs) in aerospace applications has put forward an increasing demand upon EHA pumps for their high power density. Besides raising the delivery pressure, increasing the...
Design and Characteristic Study of a Novel Internal Cooling High Temperature Superconducting Composite Cable with REBCO for Energy Storage Applications
Jiahui Zhu, Panpan Chen, Hongjie Zhang, Ming Qiu, Huiming Zhang, Jun Gong, Yuanyuan He, Min Zhang
Apr 01, 2018
High temperature superconducting magnetic energy storage systems (HTS SMES) have attracted significant attention for fast response and ensure a reliable power supply. However, the current carrying capacity of single...
Analysis of a new design of the hybrid energy storage system used in the residential m-CHP systems
Jianwei Li, Xudong Wang, Zhenyu Zhang, Simon Le Blond, Qingqing Yang, Min Zhang, Weijia Yuan
Feb 01, 2017
The energy balancing problem is the main challenge for the effective application of micro combined heat and power (m-CHP) in a residential context. Due to its high energy density and relative robustness, the lead-acid battery...
Design and Characteristic Study of a Novel Internal Cooling High Temperature Superconducting Composite Cable with REBCO for Energy Storage Applications
Jiahui Zhu, Panpan Chen, Hongjie Zhang, Ming Qiu, Huiming Zhang, Jun Gong, Yuanyuan He, Min Zhang
Apr 01, 2018
High temperature superconducting magnetic energy storage systems (HTS SMES) have attracted significant attention for fast response and ensure a reliable power supply. However, the current carrying capacity of single...
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