Results 31 to 40 of about 3,636 (176)

Livestock Tango: U.S. and Latin America Dance Together, but Who Will Lead?

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study examines the competitiveness between Latin American and U.S. livestock and meat sectors. We employ a computable general equilibrium modeling framework to evaluate two scenarios: coordinated improvements in Latin American productivity, transport efficiency, and market access (Scenario I), and the minimum productivity gains required ...
Taís C. Menezes, Amanda M. Countryman, Dustin L. Pendell   +2 more
wiley   +1 more source

Markets Mitigate Land‐Use Competition From Energy Crops and Increase Farm Revenues

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Meeting the US Sustainable Aviation Fuel Grand Challenge target of 35 billion gal annually by 2050 will require an estimated 380 million–700 million dry tons of agricultural biomass feedstock. This study evaluates the implications of large‐scale biomass production for land use, crop production, and market outcomes under mature market ...
Daniel G. De La Torre Ugarte, Matthew H. Langholtz, Chad M. Hellwinckel   +2 more
wiley   +1 more source

Experimental study of prestressed steel-HFRC composite girders under hogging moment

Case Studies in Construction Materials
To alleviate cracks in the hogging region of continuous steel-concrete composite girders, the hybrid fiber reinforced concrete (HFRC) and prestressing technique were introduced to exploit a novel type of composite girders (prestressed steel-HFRC ...
Yuliang He, Haibo Shen, Wenjian Zhao, Qiangqiang Wu, Tiejiong Lou   +4 more
doaj   +1 more source

Competition Policy and Agribusiness in the Biden Administration

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The Biden Administration pursued a set of ambitious competition policy initiatives in agriculture and agribusiness, primarily aimed at livestock and poultry supply chains, farm inputs, and food retailing. The initiatives included expanded antitrust enforcement; new US Department of Agriculture (USDA) contract regulations requiring poultry ...
James M. MacDonald
wiley   +1 more source

Numerical Analysis of the Continuous Composite Slab Strengthened by CFRP Laminate in the Hogging Moment Region

International Journal of Engineering and Technology, 2019
In this study, 3-D finite element models were used to investigate the performance of a continuous composite slab (CCS) with profiled steel sheet strengthened by CFRP laminates in a negative moment region. FE models were validated using available experimental data before being used for parametric studies.
Khalid W. Dahham, Shahrizan Baharom, Mohamed S. Majdub   +2 more
openaire   +1 more source

Flexural strengthening of RC continuous slab strips using NSM CFRP laminates [PDF]

, 2011
To assess the effectiveness of the near surface mounted (NSM) technique, in terms of load carrying and moment redistribution capacities, for the flexural strengthening of continuous reinforced concrete (RC) slabs, an experimental program was carried ...
ACI Committee 318, ACI Committee 440, Arduini M., ASTM 370, ASTM D3039, Barros J.A.O., Blaschko M., Bonaldo E., Casadei P., CEB-FIP Model Code 1990, Concrete Society, Dalfré G.M., Dalfré G.M., El-Hacha R., El-Refaie S.A., El-Refaie S.A., EN 1992-1-1, Fédération Internationale du Béton (FIB), Gláucia M. Dalfré, ISO 527–1, ISO 527–5, Joaquim A.O. Barros, Kotynia R., Park S.M., Sena-Cruz J.M., Stevens N.J.   +25 more
core   +1 more source

RT‐DETR‐DA for Complex Scenes: Distracted Driving Detection With Feature Interaction and Dynamic Perception

Advanced Intelligent Systems, EarlyView.
This work proposes RT‐DETR‐DA, an enhanced real‐time detection framework for identifying distracted driving in complex, real‐world environments. The model introduces a dynamic sparse gating multiscale attention module and an attention‐guided dual‐path fusion module to strengthen multiscale perception and cross‐layer feature interaction.
Yi Liu, QiaoXing Li, XiBin Wang, Ying He, Sen Zhang   +4 more
wiley   +1 more source

Flexural Performance of Steel–GFRP Strips–UHPC Composite Beam in Negative Moment Region

Buildings
This study aims to clarify the longitudinal flexural cracking characteristics in hogging moment regions and propose a practical calculation method for the cracking load and ultimate bearing capacity for a steel–GFRP strips–UHPC composite deck structure ...
Lei Cao, Deng Zhang, Dan Zeng, Jin Zhang, Youjie Zhang, Zhe Zhang, Rong Zhan   +6 more
doaj   +1 more source

Causal analysis of trade loss from pathogens: A global study of foot and mouth disease impacts on meat exports

American Journal of Agricultural Economics, EarlyView.
Abstract Our general interest is in global trade loss from livestock pathogens, specifically exports. We adopt a causal inference approach that considers animal disease outbreaks over time as non‐staggered binary treatments with the potential for switching in (infection) and out of treatment (recovery) within the sample period. The outcome evolution of
Mohammad Maksudur Rahman, Thomas L. Marsh   +1 more
wiley   +1 more source

Assessing the effectiveness of a NSM-CFRP flexural strengthening arrangements for continuous RC slabs by experimental and numerical research [PDF]

, 2014
A program formed by continuous slab strips strengthened in flexure with near surface mounted (NSM) Carbon Fiber Reinforced Polymer (CFRP) laminates was carried out, and the obtained results showed the possibility of increasing significantly the load ...
Barros, Joaquim A. O., Dalfré, Gláucia
core