Results 31 to 40 of about 178,801 (301)
Recent Advances and Challenges in Ammonia‐Hydrogen Energy Conversion
Advanced Science, EarlyView.This work summarizes the latest progress of various catalytic methods in ammonia‐hydrogen energy conversion. The challenges and outlook of ammonia‐hydrogen energy conversion system are also emphasized. This work expects to build a blueprint of renewable and efficient ammonia‐hydrogen energy conversion systems under mild conditions.
Menghao Lv +6 more
wiley +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
Ecology and Society, 2007 Landscape fragmentation is increasingly considered an important environmental indicator in the fields of sustainable land use and biodiversity. To set goals for future development and to plan appropriate measures, suitable empirical data on the degree of
Jochen A. G. Jaeger +4 more
doaj +1 more source
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 +2 more
wiley +1 more source
Unpacking the Farmland Capitalization Effect of Ethanol Establishment
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT We unpack the impact of expansions in ethanol production—as measured by proximity to newly constructed ethanol plants and capacity expansions—on farmland values using land transaction data from Kansas in combination with modern causal inference techniques.
Gabriel S. Sampson, Jisang Yu
wiley +1 more source
Кардиоваскулярная терапия и профилактика, 2006 Aim. To investigate the potential of high-definition electrocardiography (HD-ECG), heart rate variability (HRV) and QT interval assessment in diagnosing «silent» myocardial ischemia (SMI) during professional expertise of railroad locomotive drivers ...
A. E. Radzevich +2 more
doaj
História, Ciências, Saúde: Manguinhos, 2008 Examina la relación entre el avance en las tecnologías del transporte y el desarrollo de las expediciones de carácter científico entre fines del siglo XIX y principios del siglo XX en Argentina. Se muestra cómo la expansión a escala nacional de la red de
Máximo E. Farro
doaj +1 more source
The Problems of the Leased Line [PDF]
, 1940 The part played by the leased line in railroad reorganizations prior to those of the present day seems to have be rather inconspicuous. In those earlier reorganizations, railroads, on the whole, were still in an era of expansion.
Meck, John F., Jr.
core +2 more sources
Data‐Driven Modeling of Forces Exerted by Pneumatic Actuators for a Pediatric Exosuit
Advanced Intelligent Systems, EarlyView.This work presents the experimental analysis and data‐driven modeling of the interaction forces between soft pneumatic actuators designed to assist upper‐extremity motion in a pediatric exosuit and an engineered test rig, across different experimental conditions: (A) force profiling of shoulder actuators, with varying actuator anchoring points and ...
Mehrnoosh Ayazi +4 more
wiley +1 more source
MODELING IN CLINICO-ECONOMIC ANALYSIS OF MEDICAL ORGANIZATIONAL TECHNOLOGIES
Фармакоэкономика, 2015 decision tree and Markov model we used for calculating the anticipated costs when comparing two alternative medical organizational technologies, taking into account the continuing incapacity of the patient: the patient in the treatment of neurological ...
M. A. Shapovalova +3 more
doaj