Results 151 to 160 of about 6,001 (207)

A new theory of tree sap flow. [PDF]

PeerJ
Török A, Hajduné Kubovje AA, Hardi B, Bergmann R, Szigeti K, Máthé D, Hegedüs I.   +6 more
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Comprehensive performance and optimization of micro textured slipper pair of axial piston pumps. [PDF]

Sci Rep
Xu P, Luo J, Yu Y, Shen J, Li W.
europepmc   +1 more source

A new device and method for detecting the permeability of articular cartilage. [PDF]

Front Bioeng Biotechnol
Cao F, Deng H, Zhang G, Ma N, Zhang B, Che X, Wu G, Li P, Guo L, Wei X.   +9 more
europepmc   +1 more source

Research on self-adaptive height adjustment control of shearer based on deep deterministic policy gradient. [PDF]

PLoS One
Wang Y, Wang X, Lin G, Zhao L, Liu X, Jia B, Wang Y, He J, Ma L.   +8 more
europepmc   +1 more source

Ex-PALM: a negative pressure ventilation system for air leak evaluation in <i>ex vivo</i> lungs. [PDF]

Front Bioeng Biotechnol
Vartazarmian M, Abid A, Chermat R, Têtu M, Bulgarelli Maqueda L, Sarshoghi A, Naghieh S, Périé D, Liberman M.   +8 more
europepmc   +1 more source

Volumetric efficiency in motor-driven two-dimensional piston pumps with leakage and reverse flow under high pressure. [PDF]

Sci Rep
Chen Y, Hua C, Tong C, Zang Y, Ruan J.
europepmc   +1 more source

1,4-Butanediol - Determination of 1,4-butanediol in workplace air using gas chromatography (GC-FID): Air Monitoring Method - Translation of the German version from 2025. [PDF]

MAK Collect Occup Health Saf
Werner S, Nitschke L, Hebisch R, Lewin-Kretzschmar U, Hartwig A, MAK Commission https://www.dfg.de/de/ueber-uns/gremien/senat/arbeitsstoffe/mitglieder.   +5 more
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Fault diagnosis methods for imbalanced samples of hydraulic pumps based on DA-DCGAN. [PDF]

Sci Rep
Zhao Y, Jiang A, Jiang W, Zhang P, Xiong P.   +4 more
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Joint simulation and experimental verification of electromechanical-hydraulic of hydraulic excavator working device. [PDF]

Sci Rep
Xin M, Ren Z, Yu Y, Tian Y, Zhang H, Ren K, Zhang Y.   +6 more
europepmc   +1 more source

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Modelling a Double Piston Pump

Proceedings of SPE International Thermal Operations and Heavy Oil Symposium and International Horizontal Well Technology Conference, 2002
Abstract The idea of using serial arrangements of sucker rod pumps to efficiently produce heavy oil wells with high gas to oil ratio has been analyzed in Venezuela since 1996. However, models to calculate the dimensions of the required plungers have not been presented in previous literature. An analytical model is presented in this work,
Becerra, Oscar, Kenyery Frank
openaire   +2 more sources