Results 281 to 290 of about 2,935,503 (373)

Self‐Standing Fluorine‐Free Anode Microporous Layers Enabling Improved Hot and Dry Operation of Fully Hydrocarbon Proton‐Exchange Membrane Fuel Cells

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Fluorine‐free self‐standing anode microporous layers are fabricated and optimized for hydrocarbon catalyst‐coated membranes. The effects of carbon black, graphite, and acrylic binder in the microporous layer composition, on wetting behavior, permeability, electrical resistance, and electrochemical performance are investigated.
Koray Yildirim   +3 more
wiley   +1 more source

Development Status and Future Prospects of Hydrogen Energy Technology: Production, Storage, and Cost Analysis

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen is an energy carrier, produced from renewable and nonrenewable resources. It can be stored in a variety of materials and transported to distant locations. This article reviews progress in hydrogen technology by looking at environmental and economic impact, cost analysis, and policy support at government level as way forward for bringing it to ...
Xuexue Pan   +5 more
wiley   +1 more source

The effects of agricultural machinery services and land fragmentation on farmers' straw returning behavior

open access: yesAgribusiness, EarlyView.
Abstract Straw returning is important for rural ecological management and sustainable agricultural development. Using farm survey data for Anhui Province, China, in 2020, we applied the double‐hurdle model to investigate the impact of agricultural machinery services and land fragmentation on farmers' straw‐returning behavior, and to explore the ...
Xin Wang, Yanping Song, Wei Huang
wiley   +1 more source

Beyond subsistence? The role of rural cooperatives in driving smallholder commercialization in Ethiopia

open access: yesAgribusiness, EarlyView.
Abstract The transition from subsistence to market‐oriented agriculture holds the potential to boost rural economic progress and improve the well‐being of the rural poor in developing countries. Despite this potential, there is limited understanding of the key drivers for smallholder commercialization. In this study, we utilize comprehensive three‐wave
Abebayehu Girma Geffersa   +1 more
wiley   +1 more source

LAND PLOT AS AN OBJECT OF USE

open access: yesВестник Пермского университета. Юридические науки, 2019
openaire   +1 more source

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