Results 71 to 80 of about 5,247 (220)
Balancing tracks and trees: Assessing railroad impact on Brazilian biodiversity
PLANTS, PEOPLE, PLANET, EarlyView.The Brazilian West–East Integration Railway (FIOL) aims to boost the national economy by improving commodity transport; however, it crosses three of Brazil's most biodiverse and fragile regions: the Caatinga, Cerrado and Atlantic Forest. Using digitised plant records and land‐use analyses, our study reveals significant vegetation loss within the ...
Ana Luiza Silva Rocha +3 more
wiley +1 more source
Research on fault diagnosis of CTCS on-board equipment based on knowledge graph
机车电传动On-board equipment is a critical component of the Chinese train control system (CTCS), characterized by a complex organizational structure. Traditional CTCS on-board equipment faces three major challenges: low efficiency in fault diagnosis, difficulties ...
CHEN Huiyuan
doaj
River Research and Applications, EarlyView.ABSTRACT Knowledge of habitat availability is critically important for the management and recovery of freshwater species. Quantifying habitat availability often requires fine‐scale sampling at point‐based locations across a large geographic extent, which can be laboursome.
Karl A. Lamothe +2 more
wiley +1 more source
Research on an internal model control algorithm and parameter tuning for metro traction PMSMs
机车电传动High power density and high efficiency are two important trends in the research of permanent magnet synchronous motors (PMSM) used in metro traction systems.
SI Junmin, YUE Xuelei, TIAN Di, XU Kelei
doaj
“There Are Places Full of Beauty”: Desettling High School Students' Scientific Writing
Science Education, EarlyView.ABSTRACT This study contributes to desettling and expanding expectations about the forms of scientific language that belong in students' scientific writing. The primary empirical focus is the analysis of 52 high school student abstracts articulating community‐based investigations, submitted as part of their participation in a student conference in a ...
Alejandra Frausto Aceves
wiley +1 more source
Sustainable Development, EarlyView.ABSTRACT Djibouti's economic evolution over the past two decades reveals a distinct dual structure: a steadily expanding service sector that anchors the economy and a volatile industrial sector driven by episodic, foreign‐financed infrastructure projects.
Sadik Aden Dirir
wiley +1 more source
Analysis of kinematic and energy parameters of electric locomotive wheel–rail adhesion
Вестник Научно-исследовательского института железнодорожного транспортаIntroduction. Electric locomotive wheel–rail adhesion is determined by various parameters (kinematic and energetic) that affect the mass and speed of the train, energy consumption, etc.
A. A. Baklanov
doaj +1 more source
A Method for Assessing the Risks to Sustainability Posed by Process Operations
Sustainable Development, EarlyView.ABSTRACT We present a framework for assessing the risks to sustainability posed by any given set of processes. The objective is to improve sustainability by enabling better decision‐making in policy and business contexts. The framework can be applied to any system of processes where available information supports discovery and quantification of ...
Richard C. Darton, Colin J. Axon
wiley +1 more source
Results of exploring the force impact of 25 tf open-box cars on the rails of curved tracks
Вестник Научно-исследовательского института железнодорожного транспортаIntroduction. Onboarding rolling stock that exerts increased axial loads makes assessing wheels force impact on railway tracks more acute and relevant.
A. Yu. Lugovsky, O. K. Bogdanov
doaj +1 more source