Results 21 to 30 of about 8,249 (211)

Recovery of Vanadium as Iron Vanadate (FeVO4) from Spent Sulfuric Acid Catalysts Using Oxalic Acid Leaching [PDF]

BIO Web of Conferences
Used sulfuric acid catalysts are a hazardous industrial waste and also a secondary resource enriched with valuable transition metals such as iron (Fe) and vanadium (V), which can be recycled.
EL Hasbaoui Noureddine, EL Hadrami Abdelouahab, Brahmi Rachid   +2 more
doaj   +1 more source

Life cycle impact assessment and life cycle cost assessment for centralized and decentralized wastewater treatment plants in Thailand

Scientific Reports, 2022
This research investigates the cost-effectiveness of four sludge treatment scenarios for centralized (C) and decentralized (D) wastewater treatment plants (WWTP) using life cycle cost assessment (LCCA).
Rutjaya Prateep Na Talang, Sanya Sirivithayapakorn, Sucheela Polruang   +2 more
doaj   +1 more source

Techno-Economic Assessment (TEA) and Life Cycle Costing Analysis (LCCA): discussing methodological steps and integrability

Insights into Regional Development, 2021
Researchers have always been concerned about investigating new methods of economic evaluation, in order to endow reliable observations and support the sustainable development of new products.
Lorenzo Giacomella
doaj   +1 more source

Comparing the Standards of Life Cycle Carbon Assessment of Buildings: An Analysis of the Pros and Cons

Buildings, 2023
Buildings play a substantial role in carbon emissions and contribute to approximately 37% of global carbon emissions. In order to control and reduce the carbon emissions of buildings, a report of life cycle carbon assessment (LCCA) has been mandated for ...
Yahong Dong, Tingyi Yang, Peng Liu, Zhenyan Xu   +3 more
doaj   +1 more source

Value engineering and lifecycle cost analysis to improve cost performance in green hospital project [PDF]

Archives of Civil Engineering, 2021
In green concept hospital work, several provisions must be obeyed so that all processes, including material selection, project implementation, and building operations, must refer to green principles.
Ali Imron, Albert Eddy Husin
doaj   +1 more source

Other effective area-based conservation measure promotes recovery in a cold-water coral reef

Global Ecology and Conservation, 2021
In 2003, a large Lophelia pertusa reef complex was discovered on the southeast edge of the Scotian Shelf, representing the only known cold-water coral reef in Canada.
Lindsay Beazley, Ellen Kenchington, Michelle Korabik, Derek Fenton, Marty King   +4 more
doaj   +1 more source

Isolated left common carotid artery in an infant with pulmonary atresia and intact ventricular septum

Annals of Pediatric Cardiology, 2019
Isolation of the left common carotid artery (LCCA) is a very rare congenital aortic arch anomaly. We present this finding in a female infant with pulmonary atresia and intact ventricular septum, with a clinical diagnosis of CHARGE syndrome.
Jennifer L Cohen, Nicole Stanford, Alejandro Torres   +2 more
doaj   +1 more source

Life Cycle Cost Analysis of Biogas Production from Cerathophyllum demersum, Fucus vesiculosus and Ulva intestinalis in Latvian Conditions

Environmental and Climate Technologies, 2019
Life cycle costs of co-digestion plant of cattle farm manure and locally available freshwater macrophyte C. demersum, marine brown algae F. vesiculosus, and marine green algae U.
Pastare Laura, Romagnoli Francesco
doaj   +1 more source

A deep learning-based computed tomography reading system for the diagnosis of lung cancer associated with cystic airspaces. [PDF]

Sci Rep
To propose a deep learning model and explore its performance in the auxiliary diagnosis of lung cancer associated with cystic airspaces (LCCA) in computed tomography (CT) images.
Hu Z, Zhang X, Yang J, Zhang B, Chen H, Shen W, Li H, Zhou Y, Zhang J, Qiu K, Xie Z, Xu G, Tan J, Pang C.   +13 more
europepmc   +2 more sources

Analysis of the Cost of a Building’s Life Cycle in a Probabilistic Approach

Open Engineering, 2019
In the article the costs of alternative roofing techniques in the life cycle of the building were calculated. The calculations were made in accordance with ISO 15686-5 standard “Buildings and constructed assets – Service life planning – Part 5: Life ...
Rogalska M., Szewczak D.
doaj   +1 more source