Results 171 to 180 of about 481,938 (332)

Access to land and rural poverty in developing countries: theory and evidence from Guatemala [PDF]

open access: yes
The lack of consensus on the social and economic impact from access to land continues to generate heated political and academic debates. The existing empirical literature does not consider possible opportunity costs, factors that can affect this impact ...
Bandeira, Pablo, Sumpsi, Jose Maria
core   +1 more source

Atomic Size Misfit for Electrocatalytic Small Molecule Activation

open access: yesAdvanced Functional Materials, EarlyView.
This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong   +3 more
wiley   +1 more source

Self consumption and building energy management optimization

open access: yes, 2021
In recent years, the aggregation of distributed energy generation and the growing of individual, and collective, self-consumers make energy flows multidirectional on the common coupling point. The flow optimization by Aggregators is based on the use of data, decision support tools as well as flexibility services.The thesis work focuses on the study of ...
openaire   +1 more source

Evaluating the Financial Position and Performance of a typical Dairy Farm in Bulgaria [PDF]

open access: yes
The aim of this paper is to explore the potentials of typical middle sized dairy farms (with 22 cows) to absorb the quotas and market shares released by the small scale farms after the EU accession in 2007.
Vassilev, Zlatan
core   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Self‐supportive Three‐Way Photoelectrochemical System Achieving Uranium Recycling, Organic Oxidation, and Electricity Generation in Complex Waters

open access: yesAdvanced Functional Materials, EarlyView.
A self‐sustaining solar photoelectrochemical cell (SS‐PEC) is developed to recover uranium from aqueous UO22+ with concurrent organic oxidation and electricity production. The monolithical photoanode directly captures electrons from organic compounds, leading to the oxidation of organic compounds and the decomposition of uranium‐organic complexes ...
Yumei Wang   +7 more
wiley   +1 more source

Engineering Porous Hollow Metal‐Poly(Heptazine Imide) Spheres: An Optimized Synthetic Strategy for Controlling Surface, Morphology, and Properties

open access: yesAdvanced Functional Materials, EarlyView.
Hollow poly(heptazine imide) spheres are prepared through a novel approach that integrates hard templating with ionothermal synthesis. This method enables precise control over surface area, pore volume, hydrophilicity, light absorption, band position, and metal composition. These tunable properties facilitate the customized design of semiconductors for
Lingli Ni   +10 more
wiley   +1 more source

Subsistence agriculture in Romania- a modus vivendi? [PDF]

open access: yes
The paper intends to make an analysis at regional level in the South-East region of the country in order to determine the present situation of agriculture in this region compared to the whole country.
Alboiu, Cornelia
core   +1 more source

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