Results 171 to 180 of about 5,061 (219)

Eukaryotic Pif1 helicase unwinds G-quadruplex and dsDNA using a conserved wedge. [PDF]

Nat Commun
Hong Z, Byrd AK, Gao J, Das P, Tan VQ, Malone EG, Osei B, Marecki JC, Protacio RU, Wahls WP, Raney KD, Song H.   +11 more
europepmc   +1 more source

The impact of evolving mix on building's life cycle environmental impacts under climate change: insights from a London office case study. [PDF]

Int J Life Cycle Assess
Kordilas M, Mumovic D, Schwartz Y, Cooke R, Mordak S.   +4 more
europepmc   +1 more source

Computational design of an mRNA vaccine targeting antifungal-resistant Lomentospora prolificans. [PDF]

Sci Rep
Rehmani MBI, Arshad F, Khan MU, Ejaz H, Nishan U, Alotaibi A, Ullah R, Chen K, Ojha SC, Shah M.   +9 more
europepmc   +1 more source

Experimental Study on In-Tube Condensation of R290

, 2003
openaire   +1 more source

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Experimental analysis on R290 solubility and R290/oil mixture viscosity in oil sump of the rotary compressor

International Journal of Refrigeration, 2018
Abstract The solubility of R290 in the oil and the R290/oil mixture viscosity in the oil sump of rotary compressors used in air conditioner are important parameters affecting the compressor reliability, system performance and R290 charged mass in system.
Jie Lin
exaly   +2 more sources

Measurements of the surface tension for R290, R600a and R290/R600a mixture

International Journal of Refrigeration, 2007
Abstract The surface tensions of R290, R600a and R290/R600a mixture have been measured by the modified differential capillary-rise method. Twenty-two data points for R290 and 21 data points for R600a were obtained in the temperature range between 273 K and 354 K, and 43 data points for R290/R600a mixture on three isotherms of 278 K, 300 K and 320 K ...
Katsuyuki Tanaka, Yukihiro Higashi
exaly   +2 more sources

Performance of heat pumps charged with R170/R290 mixture

Applied Energy, 2009
Abstract In this study, thermodynamic performance of R170/R290 mixture is measured on a heat pump bench tester in an attempt to substitute R22. The bench tester is equipped with a commercial hermetic rotary compressor providing a nominal capacity of 3.5 kW. All tests are conducted under the summer cooling and winter heating conditions of 7/45 °C and −
Ki-Jung Park, Dongsoo Jung
exaly   +2 more sources

Comparative analysis of flow boiling characteristics of an R290/R1270 mixture and R290 in a plate heat exchanger with offset strip fins

Applied Thermal Engineering, 2023
Mohammad Salman, Rajendran Prabakaran, Sung Chul Kim   +2 more
exaly   +2 more sources

Energieversorgung mit R290-Wärmepumpen

HLH, 2023
Die Nutzung regenerativer Wärmeerzeugungssysteme und die damit verbundene Reduzierung von CO2-Emissionen sind wichtige Ziele für die Zukunft. Dabei spielen Wärmepumpen mit natürlichen Kältemitteln eine entscheidende Rolle. Der Blick auf ein aktuelles Projekt im Stuttgarter Vorort Leonberg zeigt, vor welchen Entscheidungen Ingenieure und Fachplaner ...
openaire   +1 more source