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Year Number of Results
1976 1
1978 1
1979 1
1981 2
1982 1
1987 1
1988 3
1989 1
1990 2
1991 2
1993 1
1994 2
1995 1
1997 3
1998 1
1999 2
2000 5
2001 2
2002 6
2003 6
2004 5
2005 7
2006 5
2007 4
2008 6
2009 3
2010 6
2011 6
2012 6
2013 5
2014 9
2015 13
2016 13
2017 19
2018 15
2019 14
2020 18
2021 28
2022 34
2023 22
2024 5

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270 results

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Page 1
Modified-Power-Piston: Short-Incudial-Process-Vibroplasty and Simultaneous Stapedotomy in Otosclerosis.
Dejaco D, Riedl D, Gottfried T, Rasse T, Fischer N, Prejban D, Koci V, Riechelmann H, Schmutzhard J, Keintzel T. Dejaco D, et al. Otol Neurotol. 2019 Mar;40(3):292-300. doi: 10.1097/MAO.0000000000002146. Otol Neurotol. 2019. PMID: 30694983 Free PMC article.
If otosclerosis progresses or technical or medical problems prevent use of HA, combining active-middle-ear-implants (AMEI) with SDT ("power-piston") may be considered. Previously, AMEI-coupling to the long-incudial-process was suggested. Here, a "modified-power …
If otosclerosis progresses or technical or medical problems prevent use of HA, combining active-middle-ear-implants (AMEI) with SDT ("pow …
Modified Power Piston Versus Simultaneous Stapedotomy With Hearing Aids in Otosclerosis: A Follow-Up Study Exploring Speech Recognition, Quality of Life and Usage of Device.
Dejaco D, Riedl D, Cassar AE, Gottfried T, Rasse T, Fischer N, Kreuzer-Simonyan A, Seebacher J, Riechelmann H, Keintzel T, Schmutzhard J. Dejaco D, et al. Otol Neurotol. 2022 Apr 1;43(4):429-436. doi: 10.1097/MAO.0000000000003514. Otol Neurotol. 2022. PMID: 35170556 Free PMC article.
Power-Optimal Control of a Stirling Engine's Frictional Piston Motion.
Paul R, Khodja A, Fischer A, Masser R, Hoffmann KH. Paul R, et al. Entropy (Basel). 2022 Mar 3;24(3):362. doi: 10.3390/e24030362. Entropy (Basel). 2022. PMID: 35327873 Free PMC article.
The power output of Stirling engines can be optimized by several means. ...For the varying friction coefficient, the optimization results are compared to both, a harmonic piston motion and optimization results found in a previous study, where a parameterized pist …
The power output of Stirling engines can be optimized by several means. ...For the varying friction coefficient, the optimization res …
Optimized Piston Motion for an Alpha-Type Stirling Engine.
Masser R, Khodja A, Scheunert M, Schwalbe K, Fischer A, Paul R, Hoffmann KH. Masser R, et al. Entropy (Basel). 2020 Jun 23;22(6):700. doi: 10.3390/e22060700. Entropy (Basel). 2020. PMID: 33286472 Free PMC article.
The Stirling engine is one of the most promising devices for the recovery of waste heat. Its power output can be optimized by several means, in particular by an optimized piston motion. ...An investigation of the impact of the individual loss mechanisms on the resul …
The Stirling engine is one of the most promising devices for the recovery of waste heat. Its power output can be optimized by several …
Power-efficient controlled jet injection using a compound ampoule.
McKeage JW, Ruddy BP, Nielsen PMF, Taberner AJ. McKeage JW, et al. J Control Release. 2018 Dec 10;291:127-134. doi: 10.1016/j.jconrel.2018.10.025. Epub 2018 Oct 22. J Control Release. 2018. PMID: 30359666
We present a new mechanism for achieving needle free jet injection that significantly reduces the power required to perform a given injection. Our 'compound ampoule' produces two phases of jet speed under a constant force input by changing the effective piston area …
We present a new mechanism for achieving needle free jet injection that significantly reduces the power required to perform a given i …
Influence of piston material on the fatigue behavior of a glass-ceramic.
Weber KR, Meneghetti DE, Benetti P, Della Bona A, Griggs JA, Borba M. Weber KR, et al. J Prosthet Dent. 2023 Jun;129(6):931-937. doi: 10.1016/j.prosdent.2021.08.001. Epub 2021 Sep 3. J Prosthet Dent. 2023. PMID: 34482967
STATEMENT OF PROBLEM: The lack of standardization regarding the loading piston material used in fatigue tests could limit the interpretation of study findings. ...The glass fiber-reinforced epoxy resin piston closely simulated the fatigue behavior induced by the hum …
STATEMENT OF PROBLEM: The lack of standardization regarding the loading piston material used in fatigue tests could limit the interpr …
A new radiation force balance method for measuring diverging piston source power in the frequency range 20-100 kHz: Theory and experimental verification.
Shou W, Hu B, Yu L, Duan S, Chen Y, Huang Y, Zhang W, Bu S, Jia L. Shou W, et al. Ultrasonics. 2019 Aug;97:11-18. doi: 10.1016/j.ultras.2019.03.019. Epub 2019 Apr 3. Ultrasonics. 2019. PMID: 31005764

To the best of our knowledge, there is no acceptable and effective method to measure acoustic power P for diverging piston transducers from 20 kHz to 100 kHz in the range ka < 3, it is a unsolved problem acutely. ...It is indicated that the new RFB method is a pr

…
To the best of our knowledge, there is no acceptable and effective method to measure acoustic power P for diverging piston tra …
Piston-Based vs Peristaltic Pump-Based CT Injector Systems.
Chaya A, Jost G, Endrikat J. Chaya A, et al. Radiol Technol. 2019 Mar;90(4):344-352. Radiol Technol. 2019. PMID: 30886031
METHODS: The maximum achievable flow rate and the steady-state flow rate variance of a piston-based contrast media injector system (Stellant MP, MEDRAD) was compared with peristaltic pump-based injector systems (CT motion, Ulrich Medical; CT Expres, Bracco). ...Additional …
METHODS: The maximum achievable flow rate and the steady-state flow rate variance of a piston-based contrast media injector system (S …
Differential piston phase variance in non-Kolmogorov atmospheres.
Bos JP, Rao Gudimetla VS, Schmidt JD. Bos JP, et al. J Opt Soc Am A Opt Image Sci Vis. 2017 Aug 1;34(8):1433-1440. doi: 10.1364/JOSAA.34.001433. J Opt Soc Am A Opt Image Sci Vis. 2017. PMID: 29036110
We derive a generalized expression for the differential piston phase variance in non-Kolmogorov turbulence. Specifically, our result applies in the case where index of refraction is described by a power-law medium with an exponent between 0 and 1. ...In addition, we …
We derive a generalized expression for the differential piston phase variance in non-Kolmogorov turbulence. Specifically, our result …
Experimental and simulation study on aluminium alloy piston based on thermal barrier coating.
Liu Y, Lei J, Niu X, Deng X, Wen J, Wen Z. Liu Y, et al. Sci Rep. 2022 Jun 29;12(1):10991. doi: 10.1038/s41598-022-15031-x. Sci Rep. 2022. PMID: 35768492 Free PMC article.
Combined with the test results of the piston temperature field under the rated power and maximum torque conditions, a finite element simulation model of the thermal barrier coating piston was established. This model enabled the distribution characteristics an …
Combined with the test results of the piston temperature field under the rated power and maximum torque conditions, a finite e …
270 results