Sustained high serum malondialdehyde levels are associated with severity and mortality in septic patients [PDF]
, 2013 This book digs into an area of international migration studies that has gained prominence in the past couple of decades: migrant smuggling. The regional focus is southern Europe, which receives immigrants from many African and Asian countries.
Leonardo Lorente +10 more
core +1 more source
Design and Analysis of Charge‐Reduced Refrigerant Cycles Using R290
Chemie Ingenieur Technik, 2023 AbstractR290 is one of the most promising refrigerants for heat pumps and cooling processes working in a temperature range of –15 to 70 °C. The nearly neglectable global warming potential and attractive thermodynamic properties allow the design of climate‐friendly and efficient refrigeration systems and heat pumps.
Schnabel, Lena +4 more
openaire +2 more sources
Energy Performance Analysis of a Solar Refrigerator Using Ecological Refrigerants
Journal of Sustainable Development of Energy, Water and Environment Systems, 2023 The development of sustainable energy technologies must be a priority given the rising global energy demand and global warming gases emission. In this work, the energy evaluation of a small-capacity direct-current refrigerator with internal heat exchange
Carlos Amaris +2 more
doaj +1 more source
Refrigerant R32 as lower GWP working fluid in residential air conditioning systems in Europe and the USA [PDF]
, 2017 Because air conditioning and heat pump systems contribute greatly to greenhouse gas emissions, equipment with both lower global warming potential (GWP) working fluids and a higher level of performance should be used.
Makhnatch, Pavel +3 more
core +2 more sources
Crystallographic snapshots of sulfur insertion by lipoyl synthase [PDF]
, 2018 Lipoyl synthase (LipA) catalyzes the insertion of two sulfur atoms at the unactivated C6 and C8 positions of a protein-bound octanoyl chain to produce the lipoyl cofactor. To activate its substrate for sulfur insertion, LipA uses a [4Fe-4S] cluster and S-
Booker, Squire J. +5 more
core +1 more source
Boiling Heat Transfer Coefficients of R290 in Tubes
Journal of Physics: Conference Series, 2023 Abstract In 2016, Montreal Protocol Kigali Amendment stipulated that developed countries should reduce the consumption and production of HFCs from 2019 and that developing countries should start the reduction in 2029. New alternative refrigerants should have lower GWP to reduce negative effects on the environment.
openaire +1 more source
Ejector refrigeration: A comprehensive review [PDF]
, 2016 The increasing need for thermal comfort has led to a rapid increase in the use of cooling systems and, consequently, electricity demand for air-conditioning systems in buildings.
Besagni, Giorgio +2 more
core +1 more source
Candidate eco-friendly gas mixtures for MPGDs [PDF]
, 2018 Modern gas detectors for detection of particles require F-based gases for optimal performance.Recent regulations demand the use of environmentally unfriendly F-based gases t o be limited or banned. This review studies properties of potential eco-friendly
Ban, Y. +14 more
core +1 more source
Efficiency increase in carbon dioxide refrigeration technology with parallel compression [PDF]
, 2016 In this article, we will review the comparison between a CO2 refrigeration system with a parallel compressor and a conventional carbon dioxide refrigeration machine.
Brügger, Matthias +3 more
core +1 more source
Experimental Analysis of Alternate Refrigerant Mixtures in Refrigeration System [PDF]
E3S Web of ConferencesThis study focuses on conducting experimental analyses to assess the impact of alternative refrigerant blends within a vapor compression refrigeration system, with the aim of replacing the existing R134a refrigerant.
R Ragavendiran +6 more
doaj +1 more source