Results 41 to 50 of about 23,258 (311)

Analysis of the Stressed State of Sand-Soil Using Ultrasound

Infrastructures, 2022
The maintenance of the ballast substructure is an important cost-driver for railway systems. The problem is that today’s condition monitoring methods are insufficient to collect detailed data on the compaction and stress allocation inside the ballast bed.
Lukas Benedikt Schumacher, Mykola Sysyn, Ulf Gerber, Szabolcs Fischer   +3 more
doaj   +1 more source

Extent, characteristics and policy applications of Key Biodiversity Areas

Biological Reviews, EarlyView.
ABSTRACT A global standard for the identification of Key Biodiversity Areas (KBAs) was published 10 years ago to provide a unified set of criteria for identifying ‘sites of significance for the global persistence of biodiversity’. We review the initiative's origins, the KBA identification process, characteristics of the current network, threats, policy
Stuart H. M. Butchart, Olivia Crowe, Tom Scott, Andrew J. Plumptre, Megan Eldred, Ellen McKee, Zoltan Waliczky, Ibrahim Al Hasani, Adrián B. Azpiroz, Daniele Baisero, Fred Barasa, Alison E. Beresford, Bezeng S. Bezeng, Charlotte Boyd, Thomas M. Brooks, Graeme Buchanan, Gill Bunting, Sofia Capellan, Neil Cox, Tim R. B. Davenport, Tammy E. Davies, Gina Della Togna, Wendy Elliott, Matt Foster, Jo Gilbert, Jonathan M. Handley, Diego Juffe‐Bignoli, Victoria R. Jones, Naomi Kingston, Jeannot Kivono, John Lamoreux, Penny F. Langhammer, James Lewis, Bruce Liggitt, Daniel Marnewick, Paul Matiku, Erin McCreless, Rachel A. Neugarten, Catherine Numa, Mark O'Brien, Madhu Rao, Ciara Raudsepp‐Hearne, Justina C. Ray, Samridhi Rijal, Jon Paul Rodríguez, Jurgis Sapijanskas, Wes Sechrest, Martin Sneary, Andrew Snyder, Konstantina Spiliopoulou, Thomas Starnes, Cecilia Tobar, Gautam Surya, Marcelo F. Tognelli, Andrew W. Tordoff, Maria G. Toscano, Yongyut Trisurat, Amy Upgren   +57 more
wiley   +1 more source

A holistic approach to railway infrastructure asset management [PDF]

, 2015
In the railway industry asset management decisions are focused on the maintenance, enhancement and renewal of assets in order to ensure a required level of dependability and improvement in services at the lowest whole life costs.
Rama, Dovile, Andrews, John D.
core  

Communication of Business‐Nonprofit Collaborations and Environmental Legitimacy: Exploratory Insights From Italian Firms

Business Strategy and the Environment, EarlyView.
ABSTRACT Collaborations with nonprofits can enhance firms' legitimacy, yet the relationship between their communication and corporate environmental legitimacy remains poorly understood. Furthermore, research lacks an analysis of the communication of business‐nonprofit collaborations through multiple actors' perspectives.
Andrea Rizzuni, Daniel Lundgaard, Maria Alejandra Torres‐Cuello, Steen Vallentin   +3 more
wiley   +1 more source

Application Verification of Fire Retardant Coatings for Aluminum Alloy Carbody Underframes in Urban Rail Transit Vehicles

Chengshi guidao jiaotong yanjiu
ObjectiveHigh-power electrical equipment is often arranged centrally beneath the underframe of urban rail transit vehicles. Due to the operational characteristics of the equipment, this area is usually regarded as a potential fire source.
Shaoshuai WO, Huijuan WANG, Mengnan JI, Feifei ZHAO, Luyang ZHANG, Xu WANG, Zhaohui TANG, Hao YU   +7 more
doaj   +1 more source

Cross-View Measurement of Adjacent Fastener Bolt Spacing in Railway Turnouts Using Dual DLP Sensors Without Overlapping Fields of View

Sensors
To measure the cross-view spacing between adjacent fastener bolts in railway turnouts, this study develops a dual-DLP-sensor structured-light measurement system without overlapping fields of view.
Yuntao Gou, Le Wang, Zhixiong Hou, Huchao Zhai, Zichen Gu, Qiyong Wu, Hao Wang, Ning Wang, Qiang Han, Fadeng Wang   +9 more
doaj   +1 more source

Analysis of Extent of Deformation Range and Failure Characteristics of Rocks Surrounding a Tunnel Crossing Fault Zone Based on FDEM

Advances in Civil Engineering, 2022
The combined finite-discrete element method (FDEM) and laboratory test were selected to study the extent of deformation range and time-dependent deformation of surrounding rock during tunnel excavation without support in a fault-crossing tunnel project ...
Guo Xiaoxiong, Wang Ning, Xu Xueliang, Ye Zihui   +3 more
doaj   +1 more source

A Taxonomy of Predictive Maintenance as a Basis for Supra‐Regional Sustainability Monitoring—Literature Review

Business Strategy and the Environment, EarlyView.
ABSTRACT The concept of predictive maintenance in advanced manufacturing systems is crucial from the point of view of resource efficiency in the era of high competitiveness forced by energy transformation in the digital economy. Against the backdrop of sustainability and the opportunities a data cooperative offers, the combination of predictive ...
Christian Schachtner, Nadine Baumann, Marek Jabłoński, Adam Jabłoński, Mariusz Bednarek, Sławomir Luściński, Piotr Bilski   +6 more
wiley   +1 more source

Track Irregularity Identification Method of High-Speed Railway Based on CNN-Bi-LSTM

Sensors
Track smoothness has become an important factor in the safe operation of high-speed trains. In order to ensure the safety of high-speed operations, studies on track smoothness detection methods are constantly improving.
Jinsong Yang, Jinzhao Liu, Jianfeng Guo, Kai Tao   +3 more
doaj   +1 more source

Corporate ESG Greenwashing: Does Regulatory Proximity Matter?

Business Strategy and the Environment, EarlyView.
ABSTRACT Environmental, social, and governance (ESG) greenwashing undermines sustainable development, yet the influence of regulatory proximity on oversight is understudied. By introducing the “distance decay effect” from geoeconomics into ESG misconduct research and using a sample of Chinese listed firms from 2009 to 2022, this study reveals a ...
Weiqi Zhao, Zhichao Chen, Muhammad Nadeem, Guanghua Xu, Nader Atawnah   +4 more
wiley   +1 more source