Results 151 to 160 of about 1,757 (201)

Shared genetic architecture of obesity and gastroesophageal reflux disease. [PDF]

Medicine (Baltimore)
Xiao L, Zhu D, Liu W.
europepmc   +1 more source

Experimental investigation of Fe₃O₄ nano-oil and outdoor temperature effects on a 5-ton R22 vapor compression chiller performance. [PDF]

Sci Rep
Mohseni M, Fathollahi AH.
europepmc   +1 more source

Experimental Study on In-Tube Condensation of R290

, 2003
openaire   +1 more source

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

Experimental analysis of the R290 variable geometry ejector with a spindle

Applied Thermal Engineering
Rafal Fingas, Michal Haida, Jacek Smolka, Lorenzo Croci, Jakub Bodys, Michal Palacz, Giorgio Besagni   +6 more
openaire   +1 more source

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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

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.
Jianhua Wu, Zhenhua Chen, Jie Lin, Jinbo Li   +3 more
exaly   +2 more sources

Experimental investigation on the solubility of R290 in two mineral oils

International Journal of Refrigeration, 2021
Abstract Propane (R290) is considered as a promising substitute for R22 or R410A used in room air conditioners. In this work, the solubility of R290 in two mineral oils (3GS and 4GS) was measured at the temperatures from 253.15 K to 343.15 K using isochoric saturation method. The non-random two liquid activity coefficients model was used to correlate
Xiaopo Wang, Xiucan Jia, Dongbo Wang
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