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Maria-Jose Castro, Jose-Maria Jimenez, Miguel-Angel Carbajo, Maria Lopez, Maria-Jose Cao, Sara Garcia and Jaime Ruiz-Tovar
This study aimed to compare the long-term weight loss results, remission of comorbidities and nutritional deficiencies of sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB) and One-Anastomosis gastric bypass (OAGB) on type 2 diabetic (T2D) patients...
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Qiaodan Luo, Shengfeng Zhao, Shiji Zhou, Huafeng Xu and Xiaoying Sheng
The research is based on a full 3D model of a medium variable bypass ratio compression system. The effects of core-driven fan stage (CDFS) VIGV adjustment and forward variable area bypass injector (FVABI) adjustment on the internal flow and component mat...
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Jhon Jasper Apan, Lemmuel Tayo and Jaime Honra
Bypass graft failures are linked to hemodynamic disturbances resulting from poor design. Several studies have tried to improve graft patency by modifying conventional graft designs. One strategy being employed is to induce spiral flow in bypass grafts us...
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Ruoyu Wang, Xianjun Yu, Ke Zhao, Baojie Liu and Guangfeng An
The variable area bypass injector (VABI) plays a crucial role in variable cycle engines by regulating the flow mixing process in complex bypass ducts, and low-dimensional theoretical models are the key to revealing its working mechanism while estimating ...
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Vladimir Ryzhov,Sergey Pryiomov,Anatoly Tymoshenko
Pág. 53 - 62
Our study, aimed at assessing the impact exerted by the inclusion to a low-efficiency cyclone of an additional "bypass" pipe connecting the cyclone's inlet branch pipe and the exhaust pipe, has been established the mechanisms to improve the energy effici...
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Rui Yang, Xi Liang and Daniel G. Strawn
To decrease the transfer of cadmium (Cd) to the food chain, it is essential to select wheat (Triticum aestivum L.) germplasm that accumulates the least amount of Cd and to develop management practices that promote a reduction in Cd uptake. This requires ...
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Slawomir Kubacki, Daniele Simoni, Davide Lengani and Erik Dick
An algebraic intermittency model for boundary layer flow transition from laminar to turbulent state, is extended using an experimental data base on boundary layer flows with various transition types and results by large eddy simulation of transition in a...
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Torben Eggers, Hye Rim Kim, Simon Bittner, Jens Friedrichs and Joerg R. Seume
In modern aircraft engines, the low-pressure compressor (LPC) is subjected to a flow characterized by strong wakes and secondary flows from the upstream fan. This concerns ultra-high bypass ratio (UHBR) turbofan engines, in particular. This paper present...
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Imre Kukel, Alexander Trumpp, Katrin Plötze, Antje Rost, Sebastian Zaunseder, Klaus Matschke and Stefan Rasche
Imaging photoplethysmography (iPPG) is a contact-free monitoring of the cutaneous blood volume pulse by RGB (red-green-blue) cameras. It detects vital parameters from skin areas and is associated to cutaneous perfusion. This study investigated the use of...
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Hyo Seo Kwak, Hansaem Seong, Rivaldo Mersis Brilianto and Chul Kim
In combined cycle power plants (CCPPs), the bypass butterfly valve is a key component to facilitate regulation of exhaust gas energy available at the turbine and to not produce too much boost pressure. The conventional damper valve causes leakage, back f...
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Jeisson Vélez-Sánchez, Juan David Bastidas-Rodríguez, Carlos Andrés Ramos-Paja, Daniel González Montoya and Luz Adriana Trejos-Grisales
Bypass diodes (BDs) present in photovoltaic (PV) modules are represented by the exponential model, which requires two parameters: the inverse-saturation current (
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Road development projects are expansive and they exert a significant impact on the environment, landscape, spatial planning, and land management. In this study, we developed a research hypothesis that analysis of the shape factor of plots can be the basi...
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Victor Mileshin
The paper reviews new experimental technologies for the development of advanced fans with high bypass ratios. Most of those developments are carried out in a highly specialized acoustic test facility available at the Central Institute of Aviation Motors ...
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Mónica Gandarillas, Camilo Boza, Luis Barrales, Suzanne Marie Hodgkinson, Fernando Bas
Pág. 31 - 39
Roux-en Y gastric bypass (RYGBP) combines a restrictive and malabsortive component of the digestive system. Metabolic outcomes of increasing the latter, is a matter of research interest. The aim of this study was to evaluate the nutritional consequenc...
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Sudhakar Molleti and David van Reenen
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Theoklis Nikolaidis, Soheil Jafari, David Bosak and Pericles Pilidis
The paper offers insight into jet engine thermal management problems and how a given configuration may impact engine performance. The findings can be used during the aero-engine?s preliminary design.
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Artur Iluk, Kazimierz Malcher, Wiktor Slomski, Maciej Chorowski, Jaroslaw Polinski, Thomas Eisel, Branislav Streicher and Peter Spiller
The design described in this paper was applied in the local cryogenics system of the SIS100 synchrotron, part of the Facility for Antiproton and Ion Research (FAIR) constructed in Darmstadt, Germany.
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Lugo-Méndez Helen, Castro-Hernández Sergio, Salazar-Pereyra Martín, Valencia-López Javier, Torres-González Edgar Vicente and Lugo-Leyte Raúl
The kinetic energy produced by a turbofan engine is inseparable from the unavoidable generation of waste heat dissipated into the environment and the chemical exergy of exhaust gases. However, exergoeconomic cost analyses of these propulsion systems have...
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Sharanabasaweshwara A. Asundi and Syed Firasat Ali
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Sharanabasaweshwara A. Asundi and Syed Firasat Ali
A parametric study of a novel turbofan engine with an auxiliary high-pressure bypass (AHPB) is presented. The underlying motivation for the study was to introduce and explore a configuration of a turbofan engine which could facilitate clean secondary bur...
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