Results 101 to 110 of about 421,860 (318)
Impacts of geopolitics and policy on Latin American biodiversity and water resources
Agribusiness, EarlyView.Abstract Latin America is a major agricultural producer with important natural resources. Efforts have been made to protect sensitive areas but are hindered by agricultural trade disruptions outside the control of individual countries due to globally integrated crop markets.
Jerome Dumortier +2 more
wiley +1 more source
Power systems related to operations of a landed planetary capsule [PDF]
Power systems related to Mars landing ...
Ivanoff, R. G.
core +1 more source
Agribusiness, EarlyView.Abstract This study examines producer participation choices considering a variety of potential benefits linked to state‐sponsored marketing programs, using a real choice dataset of farmers in Missouri. Multinomial logit models are employed to predict determinants of farmer enrollment in three tiers of the Missouri Grown local food marketing program ...
Lan Tran, Ye Su, Laura McCann
wiley +1 more source
Improving the Accuracy of the Martian Ephemeris Short-Term Prediction
Advances in Astronomy, 2018 The Chinese Mars exploration mission is planned to be launched in 2020, which includes an orbiter, a lander, and a rover. High precision Martian ephemeris is very important in Mars exploration, especially for the Martian orbit insertion and the Martian ...
Quan Shan +5 more
doaj +1 more source
Mars landing mission: A structural approach [PDF]
A Mars landing mission in 2000 presents a structural challenge. Earlier studies have indicated that a Mars landing was then feasible using current structural techniques. Since these earlier studies, technology advances were made to enhance the capability.
Fuller, Stan
core +1 more source
Mars Pathfinder landing site workshop [PDF]
, 1994 The Mars Pathfinder Landing Site Workshop was designed to allow the Mars scientific community to provide input as to where to land Pathfinder on Mars.
core
Seasonal and interannual variability of solar radiation at Spirit, Opportunity and Curiosity landing sites [PDF]
, 2016 In this article we characterize the radiative environment at the landing sites of NASA's Mars Exploration Rover (MER) and Mars Science Laboratory (MSL) missions.
Lemmon, Mark T. +5 more
core +1 more source
Agribusiness, EarlyView.ABSTRACT This study investigates the financial literacy (FL) of Swedish farmers, its linkages to farmer characteristics, management accounting practices and farm outcomes by surveying Swedish Farm Accountancy Data Network farmers. Using item response theory, we expand the existing FL measurement specifically to the farming context, assess measurement ...
Uliana Gottlieb, Helena Hansson
wiley +1 more source
Similarity Design Method of the Inflatable Buffer Landing System
International Journal of Aerospace Engineering, 2019 The inflatable buffer landing system, such as the airbag, has been widely used for deep space exploration as a low-cost entry. The impact performance of an airbag landing attenuation system on Mars had to be proven through cushion testing on Earth.
Cheng He, Huan He, Tao Wang
doaj +1 more source
Development of a chemical heater for a Mars rough-landing capsule [PDF]
Chemical reaction heater for Mars rough-landing ...
Gram, M. B.
core +1 more source