Results 101 to 110 of about 904,394 (299)
Sparse Total Focus Imaging of Rail Transit Rail Defects Based on Grey Wolf Algorithm
Chengshi guidao jiaotong yanjiu[Objective] Using the ultrasonic phased array technology can realize high-precision imaging detection of rail transit rail defects. However, the widely used FMC-TFM (full matrix capture-total focusing method) has the disadvantages of long computation ...
Lubin QIAN +4 more
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, 1996 Cities exist because they enable people to take advantage of economies of agglomeration, where spatial proximity facilitates productivity-enhancing cooperation. Transportation defines proximity and therefore determines how economies of agglomeration are realized.
Small, Kenneth A. +1 more
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Spatial Development and Energy Consumption [PDF]
Previous literature has suggested that the urban form (i.e., city size, density, and center distribution pattern) influences urban energy consumption.
Harrington, Winston +2 more
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Tax Policy and Farm Organization
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT The Tax Cuts and Jobs Act (TCJA) introduced substantial changes to the tax code, affecting farms' organizational incentives. This study examines farms' responses to the TCJA along extensive and intensive margins, focusing on organizational and labor expense adjustments.
Tia M. McDonald, Katherine Lacy
wiley +1 more source
Scientific ReportsThe coupling effect between slurry and a fractured rock layer controls the width of the fracturing channel and the grouting pressure. This effect is attenuated as the slurry diffusion front spreads from the grouting hole.
Liu Xiangyang +4 more
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Journal of Advanced Transportation, 2018 This paper aims to create a prediction model for car body vibration acceleration that is reliable, effective, and close to real-world conditions. Therefore, a huge amount of data on railway parameters were collected by multiple sensors, and different ...
Shubin Zheng +4 more
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NON-MOTORIZED TRANSPORTATION – AN EDUCATIONAL CHALLENGE FOR URBAN COMMUNITIES [PDF]
The continuous growth of the urban traffic threats cities with “thrombosis“, generating social, economic and ecological long term problems. The paper outlines the positive externalities induced by the non-motorized transportation (walking, bicycling or ...
Anamaria ILIE +3 more
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Urban aerial mobility: Reshaping the future of urban transportation. [PDF]
Innovation (Camb), 2023 Wang K, Qu X.
europepmc +1 more source
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT We link American Community Survey and SNAP records for 185,000 units with ground‐sourced social food infrastructure data from FindFoodIL (Illinois Extension SNAP‐Ed) to examine SNAP participation determinants among eligible units. Bivariate probit models reveal, beyond SNAP offices, quantity of social infrastructure is associated with ...
Michael Lotspeich‐Yadao +3 more
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Study on Metro Operation Safety Based on a Specific Contact Model for Resilient Wheel
Urban Rail TransitResilient wheel (RW) is gradually promoted for use in China’s subway vehicles recent years, which has been widely used in tram in Europe and China.
Shuoqiao Zhong, Xin Zhou, Xiaozhen Sheng
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