Results 21 to 30 of about 1,707,754 (341)

Microwave pyrolysis of lignocellulosic biomass––a contribution to power Africa

open access: yesEnergy, Sustainability and Society, 2017
Worldwide efforts are being made to increase the use of renewable energy in order to reduce the emission of greenhouse gases. Africa is blessed with abundant resources of fossil fuels as well as renewable energy resources.
Saifuddin Nomanbhay   +3 more
doaj   +1 more source

Beyond national minimum standards : a comparison of the traditional HCB and the AB thermablock [PDF]

open access: yes, 2012
Since the launch of the Energy Performance of Buildings (EPBD) Directive by the EU Commission, and Malta’s membership in the EU in 2004, a number of seminars have been organized in Malta for professionals working in the building industry to raise ...
Buhagiar, Vincent   +2 more
core   +3 more sources

Digital twins and their use in future power systems [version 2; peer review: 2 approved]

open access: yesDigital Twin, 2022
The electric power sector is one of the later sectors in adopting digital twins and models in the loop for its operations. This article firstly reviews the history, the fundamental properties, and the variants of such digital twins and how they relate to
Milos Cvetkovic   +3 more
doaj   +1 more source

Engineering regulatory networks for complex phenotypes in E. coli

open access: yesNature Communications, 2020
Regulatory networks respond to environmental and genetic perturbations by reprogramming metabolism. Here the authors screen a library of 82 regulators with 110,120 mutations to map the regulatory network of 4000 genes.
Rongming Liu   +5 more
doaj   +1 more source

Energy embodied in household cookery: the missing part of a sustainable food system? Part 1: A method to survey and calculate representative recipes [PDF]

open access: yes, 2017
This paper firstly reviews the current state of knowledge on sustainable cookery and the environmental impacts of the food consumption phase. It then uses the example of a dish of roast beef and Yorkshire pudding to explore energy use in food production ...
Bajželj   +31 more
core   +2 more sources

Steam generation unit in a simple version of biomass based small cogeneration unit

open access: yesMATEC Web of Conferences, 2014
The organic Rankine cycle (ORC) is a very promising process for the conversion of low or medium temperature heat to electricity in small and micro scale biomass powered systems.
Sornek Krzysztof   +4 more
doaj   +1 more source

Lifetime Estimation of Grid-Connected Battery Storage and Power Electronics Inverter Providing Primary Frequency Regulation

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2021
Battery Energy Storage Systems (BESSs) are a new asset for Primary Frequency Regulation (PFR), an ancillary service for improving the grid stability. The system operators determine the implementation and remuneration of PFR.
Marco Stecca   +4 more
doaj   +1 more source

Sustainable energy options

open access: yesAsian Perspective, 2015
Solar energy is special: It is vast, ubiquitous, and indefinitely sustainable. The solar resource is much larger than all other available energy resources combined. Solar energy utilizes very common materials; has minimal security and military risks; is available nearly everywhere in vast quantities; and has minimal environmental impact over unlimited ...
openaire   +3 more sources

A review of carbon dots and their composite materials for electrochemical energy technologies

open access: yesCarbon Energy, 2021
Carbon dots (CDs) and their composites as energy storage materials and electrocatalysts have emerged as new types of quasi‐zero‐dimensional carbon materials. CDs can provide a large specific surface area, numerous electron–electron hole pairs, adjustable
Yiming Liu   +5 more
doaj   +1 more source

Agrivoltaics in Japan

open access: yesAgriVoltaics Conference Proceedings
A comprehensive and supportive legal framework is a key factor for the expansion of agrivoltaics. This study analyzed, therefore, the existing laws, regulations, and policies related to agrivoltaics in Japan and assessed its actual effects on relevant ...
Christian Doedt   +2 more
doaj   +1 more source

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