Results 111 to 120 of about 355 (145)

Cellulosic Biofuels: Are They Economically Viable and Environmentally Sustainable?

open access: yes
Miscanthus, Corn Stover, Switchgrass, Cost of Production, Greenhouse Gas Intensity, Resource /Energy Economics and Policy, Q01, Q54, Q55,
Khanna, Madhu
core  

On the instabilities of estimated distributions of the POT (Peak Over Threshold) low flow characteristics

open access: yes, 2015
In a certain stream gauge profile, consider the low flow flows determined with the POT (Peak Over Threshold) method. Each of the flows can be described by three characteristics – deficit, duration and minimal flow.
Jakubowski, W.
core  

Regulation of Glyphosate-Resistant Sugar Beets: Challenges and Uncertainty

open access: yes
Roundup Ready Sugar Beets, Regulation, Deregulation, Environmental Impact Statement, Environmental Assessment, Uncertainty, Agricultural and Food Policy, Crop Production/Industries, Q18, Q55, Q58,
Schweikhardt, David B.   +2 more
core  

Comparison of an estimation quality of state variables and a parameter of the two-mass system by fuzzy Kalman filters with a static and dynamic adaptation of a selected coefficient

open access: yes, 2014
In this paper issues related to a comparison of an estimation quality of state variables and a parameter of the two-mass system by fuzzy Kalman filters with static and dynamic adaptation of the q55 coefficient of the covariance matrix Q are presented. In
Dróżdż, K.
core  

Precision Timing and Spatial Allocation of Economic Fertilizer Application

open access: yes
Recent increases in fertilizer, particularly nitrogen, and fuel price have resulted in increased production cost for farmers. In this paper a farm level production model that compare uniform and variable rate fertilizer (NPK) application is developed ...
Dillon, Carl R., Gandonou, Jean-Marc
core  

The Environment, Trade and Innovation with Heterogeneous Firms: A Numerical Analysis

open access: yes
We employ a two-sector heterogeneous firms model in the presence of endogenous innovation and environmental constraints. We perform simple numerical simulations concerning the implication of a stringent environmental policy and trade cost differences ...
Ji, Yongjie, Cui, Jingbo
core  

Adenosine stress native T1 mapping detects microvascular disease in diabetic cardiomyopathy, without the need for gadolinium-based contrast

open access: yes, 2015
Rohan S Wijesurendra   +12 more
core   +1 more source

Contribution de l’intelligence artificielle à l’efficacité énergétique au Maroc : Analyse économétrique à l’aide du modèle ARDL

open access: yes
In a global context marked by the energy transition, this study investigates the impact of artificial intelligence (AI) on energy efficiency in Morocco.
RACHIDI, Sidi Moh, ELJIM, Mohamed
core  
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MPEC 2023-Q55 : 2023 QN1

2023
The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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