Results 231 to 240 of about 636,907 (382)

Technoeconomic Insights into Metal Hydrides for Stationary Hydrogen Storage

open access: yesAdvanced Science, EarlyView.
Stationary hydrogen storage is essential for enabling the use of hydrogen and fuel cell technologies in applications such as backup power supply. This work evaluates the benefits of metal hydrides for storage, demonstrating the impacts of system design and operation, and material properties on viability.
Xinyi Wang   +5 more
wiley   +1 more source

Economic feasibility of fish cage culture in Lake Victoria, Kenya

open access: yesAquaculture, Fish and Fisheries, Volume 2, Issue 6, Page 484-492, December 2022., 2022
The study analyzed the economic viability of cage fish culture in Lake Victoria, Kenya through analysis of input‐output relationship and profitability. The study revealed that cage fish farming in the lake is profitable and worthwhile. Abstract Fish cage culture has rapidly grown throughout Lake Victoria's shores, with Nile tilapia (Oreochromis ...
Kevin Obiero   +3 more
wiley   +1 more source

Artificial intelligence, recessionary pressures and population health. [PDF]

open access: yesBull World Health Organ
Occhipinti JA   +12 more
europepmc   +1 more source

The Transformation Problem: A Tale of Two Interpretations [PDF]

open access: yes
Over 100 years since Marx's value theory of labour was first published, the so-called ``transformation problem'' -- deriving prices from values and providing a theory of profits as arising from surplus value -- has inspired the imagination of economists ...
Bieri, David
core   +1 more source

Assembly and Functionality of 2D Protein Arrays

open access: yesAdvanced Science, EarlyView.
2D protein arrays‐based outstanding properties, including their remarkable structural stability, exceptional physiochemical properties, and tunable electronic and mechanical attributes, have become a key functional platform for developing advanced functional materials.
Mingming Du   +6 more
wiley   +1 more source

Integration of Nile tilapia (Oreochromis niloticus) and vegetables (Amaranthus hybridus and Brassica rapa pekinensis) for improved production, water use efficiency and nutrient recycling

open access: yesAquaculture, Fish and Fisheries, Volume 2, Issue 6, Page 493-506, December 2022., 2022
Abstract Sustainable agriculture intensification is an urgent challenge in developing countries including Tanzania. One potential solution is to adopt farming systems that increase farm production by optimizing resource use efficiency, and integrated aquaculture system, which involves farming of fish and crops, is an example of such systems. This study
Deogratias Pius Mulokozi   +4 more
wiley   +1 more source

ECONOMIC AND SOCIAL CHALLENGES IN A GLOBAL ENVIRONMENT. LABOUR MARKET CHANGES IN ROMANIA. FACTORS, CAUSES, ADJUSTMENT MECHANISMS [PDF]

open access: yes
The reform of labour market and the modification of the human capital management model evolved unsteadily, much behind the demand from the economic and social environment.
Valentina VASILE, Valeriu IOAN-FRANC
core  

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