Results 211 to 220 of about 5,224,034 (249)

Effect of skeletal miniscrew-assisted rapid palatal expansion on root resorption, buccal bone thickness and tooth inclination: a retrospective CBCT study. [PDF]

Angle Orthod
Al-Qaqaa S, Al-Khateeb SN, Al Samhouri A.   +2 more
europepmc   +1 more source

Comparison of Side Effects Between Miniscrew-Assisted Rapid Palatal Expansion (MARPE) and Surgically Assisted Rapid Palatal Expansion (SARPE) in Adult Patients: A Scoping Review. [PDF]

Dent J (Basel)
Sicca N, Benedetti G, Nieri A, Vitale S, Lopponi G, Mura S, Verdecchia A, Spinas E.   +7 more
europepmc   +1 more source

MISMARPE protocol: minimally invasive surgical and miniscrew-assisted rapid palatal expansion. [PDF]

Dental Press J Orthod
Haas Júnior OL, Matje PRB, Rosa BMD, Piccoli VD, Rizzatto SMD, Oliveira RB, Menezes LM.   +6 more
europepmc   +1 more source

Bone Remodeling by Rapid Maxillary Expansion (RME): Evidence from the Monitoring of Bone Turnover Biomarkers in Salivary Matrix. [PDF]

Dent J (Basel)
Brescia V, Ciavarella D, Lovero R, Bisceglia M, Lorusso M, Testa F, Varraso L, Fontana A, Di Serio F, Crincoli V, Cazzolla AP.   +10 more
europepmc   +1 more source

Nasolabial Soft Tissue Changes Following Maxillary Expansion: Influence of Baseline Morphology. [PDF]

Dent J (Basel)
Kienkas K, Jakobsone G, Zolovs M.
europepmc   +1 more source

Rapid Maxillary Expansion and Olfactory Function in Growing Subjects. [PDF]

Children (Basel)
Malara A, Pucci GA, Maurizi R, Di Girolamo S, Maturo P, Brescia AV, Docimo R, Laganà G.   +7 more
europepmc   +1 more source

Improving the Semi-Empirical Modelling of a Single-Screw Expander for Small Organic Rankine Cycles [PDF]

Applied Energy, 2017
Abstract The common semi-empirical modelling adopted for positive-displacement rotary expanders is revised in this paper. Paying particular attention to the leakage flow rates, the mechanical losses at the shaft and the ambient heat losses by the proposal of a more physically sound modelling, this paper aims at improving the performance simulation of
Giuffrida Antonio
exaly   +4 more sources

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Preliminary Experimental Study of Single Screw Expander Prototype

Applied Thermal Engineering, 2011
Abstract Efficient heat conversion of low temperature heat source is a key problem for energy saving, especially in the fields of waste heat recovery and renewable energy utilization. At present, technical bottleneck for low temperature thermal power is lack of suitable prime mover.
Chong-Fang Ma
exaly   +2 more sources

Experimental Study on the Performance of Single Screw Expanders by Gap Adjustment

Energy, 2013
Abstract Improving thermodynamic efficiency of prime movers is the key issue for efficient utilization of low-temperature heat resources. Single screw expander may be a good candidate because of its many good characteristics. Precisions in manufacture and assembly are very important factors to the performance of single screw expanders. In this paper,
Chong-Fang Ma
exaly   +2 more sources

Numerical investigation of flow behavior and film thickness in the single screw expander

International Journal of Mechanical Sciences, 2021
Abstract The need to understand the flow behavior and film thickness in the single screw expander is very crucial since it is known to be a complex system due to the existence of various flow patterns. The present work reports a computational fluid dynamic analysis of two-phase flow behavior and film thickness through a vertical helical rectangular ...
Xianfei Liu, Hui Zhang, Fang Wang, Guodong Xia, Zhiqiang Li, Caixia Zhu, Haofei Zhang   +6 more
openaire   +1 more source