Results 21 to 30 of about 1,207,145 (299)

Methodology for determining the optimal parameters of a public transport stop point

open access: yesИнтеллект. Инновации. Инвестиции, 2022
The article describes a study to determine the optimal parameters of a public transport stop. One of the directions of state policy in the field of transport services for the population in cities is the development and priority of public transport ...
А. A. Fadyushin
doaj   +1 more source

Precise Rail Transit Sleeper Positioning Technology Based on Improved YOLOv8n Model

open access: yesChengshi guidao jiaotong yanjiu
[Objective] In rail transit inspection and monitoring, accurate mileage information of the track plays a critical role in the efficient utilization of inspection data.
YAN Xiaoxia   +5 more
doaj   +1 more source

Statistical mechanics of non-hamiltonian systems: Traffic flow

open access: yes, 2007
Statistical mechanics of a small system of cars on a single-lane road is developed. The system is not characterized by a Hamiltonian but by a conditional probability of a velocity of a car for the given velocity and distance of the car ahead ...
A Šurda   +10 more
core   +1 more source

Emerging trends in research and development on earth abundant materials for ammonia degradation coupled with H2 generation

open access: yesScience and Technology of Advanced Materials
Ammonia, as an essential and economical fuel, is a key intermediate for the production of innumerable nitrogen-based compounds. Such compounds have found vast applications in the agricultural world, biological world (amino acids, proteins, and DNA), and ...
Zakiullah Zaidi   +5 more
doaj   +1 more source

Quantitative Relationship Between Electrical Resistivity and Water Content in Unsaturated Loess: Theoretical Model and ERT Imaging Verification

open access: yesGeosciences
As a typical porous medium, unsaturated loess demonstrates critical hydro-mechanical coupling properties that fundamentally influence geohazard mitigation, groundwater resource evaluation, and foundation stability in geotechnical engineering.
Hu Zeng   +4 more
doaj   +1 more source

The role of automotive leasing in the era of green solutions [PDF]

open access: yes, 2013
Electric cars were invented in the late 19th century. In 1899 the “Jamais Contente” driven by Belgian Camille Jenatzy was the first electric car to have broken the 100 km/h barrier.
Trygub, O.
core  

Clinical Characteristics and Prognostic Risk Factors for Pediatric B‐Cell Lymphoblastic Lymphoma: A Multicenter Retrospective Cohort Study for China Net Childhood Lymphoma

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐cell lymphoblastic lymphoma (B‐LBL) represents a rare variety of non‐Hodgkin lymphoma, with limited research on its biology, progression, and management. Methods A retrospective analysis was performed on the clinical characteristics of 256 patients aged ≤18 years who received treatment under the China Net Childhood Lymphoma (CNCL)‐
Zhijuan Liu   +20 more
wiley   +1 more source

Development and Application of a Distributed and Parallel Dynamic Grouting Monitoring System Based on an Electrical Resistivity Tomography Method

open access: yesApplied Sciences
To address the technical challenges in dynamic monitoring of grout diffusion patterns under complex geological conditions, in this study, a distributed parallel grouting monitoring system based on electrical resistivity tomography was developed.
Hu Zeng   +4 more
doaj   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Research on the Development Path of Urban Rail Transit Traction Power Supply System Based on Foreign Experience

open access: yesChengshi guidao jiaotong yanjiu
[Objective] In the context of the current urban rail transit towards intelligent,green and low-carbon development, upgrading the traction power supply system, the "heart" of urban rail transit, is of crucial importance for realizing the green and smart ...
HU Ji, LING Chen, SU Jingqi, LIU Shuo
doaj   +1 more source

Home - About - Disclaimer - Privacy