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السجلات المعروضة 12803 -- 12822 من 27441
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Large eddy simulation of surge inception and active surge control in a high speed centrifugal compressor with a vaned diffuser
( Elsevier Inc. , 2016 , Article)In this study, we present a numerical investigation of active surge control and performance improvement for an aero engine centrifugal compressor (NASA CC3) using self-recirculating bleed slots with different bleeding ... -
Large eddy simulation of surge inception and active surge control in a high speed centrifugal compressor with a vaned diffuser
( Elsevier , 2016 , Article)In this study, we present a numerical investigation of active surge control and performance improvement for an aero engine centrifugal compressor (NASA CC3) using self-recirculating bleed slots with different bleeding ... -
Large expanding splenic pseudocyst: A case report and review of literature
( Elsevier , 2021 , Article)Introduction and importance Splenic pseudocysts are extremely uncommon. Most of these cysts are asymptomatic and may result from previous blunt abdominal trauma. We report an interesting uncommon case of large splenic ... -
Large sample and bootstrap intervals for the gamma scale parameter based on grouped data
( Wayne State University , 2006 , Article)Interval estimation of the scale parameter of the gamma distribution using grouped data is considered in this article. Exact intervals do not exist and approximate intervals are needed Recently, Chen and Mi (2001) proposed ... -
Large uterine juvenile cystic adenomyoma in an adolescent
( Elsevier , 2022 , Article)Juvenile cystic adenomyoma (JCA) is a rare uterine pathology with <40 cases reported in the current literature since 1996 when Tamura described it. We report a 13-year-old girl with a history of chronic pelvic pain and ... -
A large, highly vascularized sacrococcygeal teratoma in a preterm male infant: A case report.
( Elsevier , 2021 , Article)Sacrococcygeal teratoma (SCT) is a rare tumor with an incidence of 1:35.000/40.000 live births. SCTs are composed of both cystic and solid components. Predominantly cystic SCTs are more likely to be benign and have a better ... -
Large-eddy simulation of the flow in Z-Shape duct
( Cogent OA , 2020 , Article)A numerical study is conducted of the transient flow in a z-shape three-dimensional duct using large-eddy simulation (LES) with dynamic eddy viscosity subgrid-scale (SGS) model with a fully structured grid system. The ... -
Large-scale cognitive cellular systems: Resource management overview
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article Review)This article presents recent advancements in resource management for large-scale DSA systems. Although the problem of spectrum and power allocation is well addressed in the literature, the need for more efficient algorithms ... -
Large-scale global optimization based on hybrid swarm intelligence algorithm
( IOS Press , 2020 , Article)There are numerous large-scale global optimization problems encountered in real-world applications including engineering, manufacturing, economics, networking fields. Over the last two decades different varieties of swarm ... -
Large-scale simulations and performance evaluation of connected cars - A V2V communication perspective
( Elsevier B.V. , 2017 , Article)Performance evaluation is integral to the vast majority of research on Vehicle-to-Vehicle (V2V) technology enabled connected cars. To validate ideas and concepts, researchers have been continuously striving towards the ... -
Large-Scale Swarm Control in Cluttered Environments
( Springer Science and Business Media Deutschland GmbH , 2024 , Conference Paper)In the evolving era of social robots, managing a swarm of autonomous agents to perform particular tasks has become essential for numerous industries. The task becomes more challenging for large-scale swarms and complex ... -
Larval hatching and development of the wedge shell (Donax trunculus L.) under increased CO2 in southern Portugal
( Springer Verlag , 2016 , Article)Noticeable changes in global temperatures, climate and ocean carbon chemistry are the result of carbon dioxide increase in the atmosphere. This increase has been mitigated by the oceans capacity to absorb one-fourth of the ... -
Laryngeal Contrast in Qatari Arabic: Effect of Speaking Rate on Voice Onset Time
( S. Karger AG , 2019 , Article)Beckman and colleagues claimed in 2011 that Swedish has an overspecified phonological contrast between prevoiced and voiceless aspirated stops. Yet, Swedish is the only language for which this pattern has been reported. ... -
Laryngeal realism and the voicing contrast in Khuzestani Arabic stops
( Cambridge University Press , 2023 , Article)In laryngeal realism (LR), laryngeal specification of stops is explained by direct maps of cues (e.g. VOT) onto privative phonological laryngeal features [voice] or [spread glottis]. Phonetic realization of the segments ... -
Las políticas de ciudadanía en los estados del Consejo de Cooperación del Golfo
( Grupo de Estudios de Relaciones Internacionales (GERI) , 2017 , Article)This article explores the legal frameworks of citizenship and naturalization of the six states of the Gulf Cooperation Council, and analyzes how they have been used since the creation of modern states to the present, with ... -
Lascada: A novel scalable topology for data center network
( IEEE , 2020 , Article)The growth of cloud-based services is mainly supported by the core networking infrastructures of large-scale data centers, while the scalability of these services is influenced by the performance and dependability ... -
Laser Induced Periodic Surface Structures on Nano Metal Oxide filled Polyvinylidene Fluoride Nanocomposites
( Elsevier , 2018 , Article)The ability of polarized pulsed laser in surface modification of substrate surfaces without thermally destroying them is a well-established concept of scientific procedure. In this work, we report the laser induced surface ... -
Late Maastrichtian And Paleocene Calcareous Nannofossils From Ain Dabadib Section, Nw Kharga Oasis, Egypt
( Qatar University , 1991 , Article)On terms of calcareous nannofossils, the late Maastrichtian and Paleocene sediments were subdivided into several biozones. The Cretaceous-Tertiary boundary is marked by a hiatus concerning the latest Maastrichtian and the ... -
The late payment epidemic in UK construction
( Emerald Publishing , 2023 , Article)Purpose: The UK government has elaborated the effect of late payment on the economy, with its impact on the construction sector being particularly pronounced. This paper aims to evaluate the late payment epidemic that ... -
Late-diagnosed complete intravaginal testicular torsion with preserved blood flow and viable testis in an adolescent
( Elsevier , 2023 , Other)To the Editor, Testicular torsion (TT) is an emergency caused by the twisting of the spermatic cord. In addition to being complete, TT can be partial or intermittent. The degree of spermatic cord twist in partial or ...
