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https://www.readbyqxmd.com/read/28726745/dual-source-linear-energy-prediction-line-p-model-in-the-context-of-wsns
#1
Faisal Ahmed, Gert Tamberg, Yannick Le Moullec, Paul Annus
Energy harvesting technologies such as miniature power solar panels and micro wind turbines are increasingly used to help power wireless sensor network nodes. However, a major drawback of energy harvesting is its varying and intermittent characteristic, which can negatively affect the quality of service. This calls for careful design and operation of the nodes, possibly by means of, e.g., dynamic duty cycling and/or dynamic frequency and voltage scaling. In this context, various energy prediction models have been proposed in the literature; however, they are typically compute-intensive or only suitable for a single type of energy source...
July 20, 2017: Sensors
https://www.readbyqxmd.com/read/28721360/technical-data-for-concentrated-solar-power-plants-in-operation-under-construction-and-in-project
#2
Ugo Pelay, Lingai Luo, Yilin Fan, Driss Stitou, Mark Rood
This article presents technical data for concentrated solar power (CSP) plants in operation, under construction and in project all over the world in the form of tables. These tables provide information about plants (e.g., name of the CSP plant, country of construction, owner of the plant, aim of the plant) and their technical characteristics (e.g., CSP technology, solar power, area of the plant, presence and type of hybridization system, electricity cost, presence and type of TES, power cycle fluid, heat transfer fluid, operating temperature, operating pressure, type of turbine, type and duration of storage, etc...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28718208/quantification-of-nasal-airflow-resistance-in-english-bulldogs-using-computed-tomography-and-computational-fluid-dynamics
#3
Eric T Hostnik, Brian A Scansen, Rachel Zielinski, Samir N Ghadiali
Stenotic nares, edematous intranasal turbinates, mucosal swelling, and an elongated, thickened soft palate are common sources of airflow resistance for dogs with brachycephalic airway syndrome. Surgery has focused on enlarging the nasal apertures and reducing tissue of the soft palate. However, objective measures of surgical efficacy are lacking. Twenty-one English bulldogs without previous surgery were recruited for this prospective, pilot study. Computed tomography was performed using conscious sedation and without endotracheal intubation using a 128 multidetector computed tomography scanner...
July 17, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28716173/central-compartment-atopic-disease
#4
John M DelGaudio, Patricia A Loftus, Aneeza W Hamizan, Richard J Harvey, Sarah K Wise
BACKGROUND: Isolated polypoid changes of the middle turbinate were recently reported as having a high association with inhalant allergy. A more advanced manifestation of this association may present as polypoid changes of the entire central sinonasal compartment (i.e., the middle and superior turbinates, and the posterosuperior nasal septum), while the lateral sinus mucosa remains relatively normal. OBJECTIVE: To introduce and describe this newly recognized variant of chronic rhinosinusitis (CRS), termed central compartment atopic disease (CCAD)...
July 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28712598/technical-assessment-of-discarded-tires-gasification-as-alternative-technology-for-electricity-generation
#5
Einara Blanco Machin, Daniel Travieso Pedroso, João Andrade de Carvalho
Concern about contamination associated with the disposal of tires has led to the search for technologies to reuse discarded tires, which include the use of Tire Derived Fuel (TDF) as fuel in advanced thermal-conversion processes, this allows the energy use of these wastes at affordable costs and reduces the environmental impact on scrap tires disposal. A theoretical assessment of the technical viability of TDF gasification for electric and thermal power generation, from the producer gas combustion in an internal combustion engine and in a gas turbine, was performed...
July 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28711215/changes-occurring-in-mucosal-contractility-of-the-inferior-turbinate-and-mucociliary-clearance-following-total-laryngectomy-a-prospective-clinical-trial
#6
Ilker Kocak, Remzi Dogan, Sabri Baki Eren, Selahattin Tugrul, Orhan Ozturan, Aysenur Meric Hafiz
OBJECTIVE: In this study, changes occurring in the contractility capacity of the inferior turbinate and mucociliary clearance time due to the interruption of nasal air flow were examined. MATERIAL & METHODS: A total of 23 patients undergone total laryngectomy between June 2010 and June 2012 were included in the study. Acoustic rhinometry test was performed in the patients before and after 0.05% oxymetazoline nasal topical decongestant administration. In addition, saccharin test was applied in order to measure mucociliary clearance...
July 12, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28707807/accuracy-of-computer-assisted-navigation-significant-augmentation-by-facial-recognition-software
#7
Jordan T Glicksman, Christine Reger, Arjun K Parasher, David W Kennedy
BACKGROUND: Over the past 20 years, image guidance navigation has been used with increasing frequency as an adjunct during sinus and skull base surgery. These devices commonly utilize surface registration, where varying pressure of the registration probe and loss of contact with the face during the skin tracing process can lead to registration inaccuracies, and the number of registration points incorporated is necessarily limited. The aim of this study was to evaluate the use of novel facial recognition software for image guidance registration...
July 14, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28702184/maxillary-artery-based-flaps-for-oral-cavity-reconstruction-a-review
#8
REVIEW
Amin Rahpeyma, Saeedeh Khajehahmadi
BACKGROUND: There are different flaps based on the branches of the maxillary artery. Flaps based on the maxillary artery branches can be used for oral cavity reconstruction in selected cases, but there is lack of comprehensive review in this topic. METHODS: A literature review was performed on Medline for maxillary artery based flaps and oral cavity reconstruction. Surgical techniques for each possible variant of maxillary artery based flaps and an example of each situation for oral cavity reconstruction is explained...
August 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28700811/probing-for-congenital-nasolacrimal-duct-obstruction
#9
REVIEW
Carisa Petris, Don Liu
BACKGROUND: Congenital nasolacrimal duct obstruction (NLDO) is a common condition causing excessive tearing in the first year of life. Infants present with excessive tearing or mucoid discharge from the eyes due to blockage of the nasolacrimal duct system, which can result in maceration of the skin of the eyelids and local infections, such as conjunctivitis, that may require antibiotics. The incidence of nasolacrimal duct obstruction in early childhood ranges from 5% to 20% and often resolves without surgery...
July 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28696404/effect-of-wind-farm-noise-on-local-residents-decision-to-adopt-mitigation-measures
#10
Anabela Botelho, Pedro Arezes, Carlos Bernardo, Hernâni Dias, Lígia M Costa Pinto
Wind turbines' noise is frequently pointed out as the reason for local communities' objection to the installation of wind farms. The literature suggests that local residents feel annoyed by such noise and that, in many instances, this is significant enough to make them adopt noise-abatement interventions on their homes. Aiming at characterizing the relationship between wind turbine noise, annoyance, and mitigating actions, we propose a novel conceptual framework. The proposed framework posits that actual sound pressure levels of wind turbines determine individual homes' noise-abatement decisions; in addition, the framework analyzes the role that self-reported annoyance, and perception of noise levels, plays on the relationship between actual noise pressure levels and those decisions...
July 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28689698/improved-fault-ride-through-capability-of-dfig-based-wind-turbines-using-synchronous-reference-frame-control-based-dynamic-voltage-restorer
#11
A Rini Ann Jerin, Palanisamy Kaliannan, Umashankar Subramaniam
Fault ride through (FRT) capability in wind turbines to maintain the grid stability during faults has become mandatory with the increasing grid penetration of wind energy. Doubly fed induction generator based wind turbine (DFIG-WT) is the most popularly utilized type of generator but highly susceptible to the voltage disturbances in grid. Dynamic voltage restorer (DVR) based external FRT capability improvement is considered. Since DVR is capable of providing fast voltage sag mitigation during faults and can maintain the nominal operating conditions for DFIG-WT...
July 6, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28680498/impact-of-successful-choanal-atresia-repair-on-the-nasal-mucosa-a-preliminary-study
#12
Ezzeddin Elsheikh, Mohammad Waheed El-Anwar, Hesham Radwan Abdel-Aziz
Introduction  The main histological features of the nasal mucosa in choanal atresia are distorted cilia, marked increase of mucous submucosal glands associated with marked reduction of goblet cell density, and lymphocytic cellular infiltration. Objective  To study the nasal mucosal changes in cases of choanal atresia after successful repair compared with pre-repair mucosal histological features. Methods  Tissue samples were taken from the inferior turbinate of 3 patients (1 bilateral and 2 unilateral) who were successfully operated...
July 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28679226/recurrence-networks-to-study-dynamical-transitions-in-a-turbulent-combustor
#13
V Godavarthi, V R Unni, E A Gopalakrishnan, R I Sujith
Thermoacoustic instability and lean blowout are the major challenges faced when a gas turbine combustor is operated under fuel lean conditions. The dynamics of thermoacoustic system is the result of complex nonlinear interactions between the subsystems-turbulent reactive flow and the acoustic field of the combustor. In order to study the transitions between the dynamical regimes in such a complex system, the time series corresponding to one of the dynamic variables is transformed to an ε-recurrence network...
June 2017: Chaos
https://www.readbyqxmd.com/read/28676318/postoperative-alar-base-symmetry-in-complete-unilateral-cleft-lip-and-palate-a-prospective-study
#14
Suresh Vyloppilli, K S Krishnakumar, Shermil Sayd, Sameer Latheef, Saju V Narayanan, Ajit Pati
In the evolution of cleft lip repair, there have been continuous attempts to minimize local trauma and to improve lip and nasal appearances. In order to obtain an aesthetically balanced development of midface, the primary surgical correction of the nasolabial area is of paramount importance. In this study, the importance of a back-cut extending cephalically above the inferior turbinate at the mucocutaneous junction which elevates the nostril floor on the cleft side for the purpose of achieving symmetry of the alar bases are analyzed by pre and postoperative photographic anthropometry...
June 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28675355/induction-of-interferon-and-interferon-induced-antiviral-effector-genes-following-a-primary-bovine-herpesvirus-1-bhv-1-respiratory-infection
#15
Rahwa Osman, Patricia Gonzalez-Cano, Robert Brownlie, Philip J Griebel
Invitro investigations have identified a variety of mechanisms by which herpesviruses evade interferon-stimulated antiviral effector mechanisms. However, these immune evasion mechanisms have not been evaluated during a bovine herpesvirus-1 (BHV-1) infection. This study investigated the transcription and secretion of type I and II interferons (IFNs) and the transcription of IFN-stimulated genes (ISGs) during a primary BHV-1 infection of the upper respiratory tract (URT) in naïve calves. IFN-α, -β and -γ transcription in nasal turbinates and protein levels in nasal secretions increased following infection...
July 5, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28675148/owl-inspired-leading-edge-serrations-play-a-crucial-role-in-aerodynamic-force-production-and-sound-suppression
#16
Chen Rao, Teruaki Ikeda, Toshiyuki Nakata, Hao Liu
Owls are widely known for silent flight, achieving remarkably low noise gliding and flapping flights owing to their unique wing morphologies, which are normally characterized by leading-edge serrations, trailing-edge fringes and velvet-like surfaces. How these morphological features affect aerodynamic force production and sound suppression or noise reduction, however, is still not well known. Here we address an integrated study of owl-inspired single feather wing models with and without leading-edge serrations by combining large-eddy simulations (LES) with particle-image velocimetry (PIV) and force measurements in a low-speed wind tunnel...
July 4, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28675080/radiodensity-of-the-ostiomeatal-complex-in-recurrent-acute-rhinosinusitis
#17
Sean M Johnson, Adam L Honeybrook, Vaibhav H Ramprasad, Ralph Abi Hachem, David W Jang
Objective Recurrent acute rhinosinusitis (RARS) can be an elusive diagnosis due to the lack of clinical and radiographic findings in between acute episodes. This study aims to identify objective computed tomography (CT) characteristics in RARS. Study Design Case series with chart review. Setting Tertiary academic medical center. Subjects and Methods Patients meeting diagnostic criteria for RARS were identified retrospectively from the senior author's practice. Patients were diagnosed with RARS if they experienced 3 or more episodes of acute sinusitis within the past year with complete resolution of symptoms in between episodes...
June 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28672197/industrial-wind-turbine-post-construction-bird-and-bat-monitoring-a%C3%A2-policy-framework-for-canada
#18
Jason Parisé, Tony R Walker
Electricity generation from wind energy has proliferated throughout North America and will continue to grow. Given Canada's expected increase in wind energy capacity, consideration of the potential adverse impacts to bird and bat populations is prudent given their sensitivity to these projects. The province of Ontario, Canada is currently the leading jurisdiction for wind energy development, and for provincial guidance on pre- and post-construction monitoring. With uniform monitoring guidance in Ontario, wind energy proponents, and third-party consultants, have developed post-construction monitoring protocols that meet provincial guidance, while also providing standardized reporting...
June 30, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28669688/effect-of-an-upstream-bulge-configuration-on-film-cooling-with-and-without-mist-injection
#19
Jin Wang, Qianqian Li, Bengt Sundén, Ting Ma, Pei Cui
To meet the economic requirements of power output, the increased inlet temperature of modern gas turbines is above the melting point of the material. Therefore, high-efficient cooling technology is needed to protect the blades from the hot mainstream. In this study, film cooling was investigated in a simplified channel. A bulge located upstream of the film hole was numerically investigated by analysis of the film cooling effectiveness distribution downstream of the wall. The flow distribution in the plate channel is first presented...
June 29, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28669540/successful-management-of-primary-atrophic-rhinitis-by-turbinate-reconstruction-using-autologous-costal-cartilage
#20
Marn Joon Park, Yong Ju Jang
Initial management of primary atrophic rhinitis is conservative, with nasal ointments, saline irrigation, and antibiotics prescribed to relieve symptoms. However, in cases that show no improvement, a surgical approach is considered. Recently, many studies have reported successful surgical outcomes using various nasal implants. However, no study has reported implantation of autologous costal cartilage in PAR patients. We report here the case of a 63-year-old woman diagnosed with PAR that was intractable to medical therapy...
June 29, 2017: Auris, Nasus, Larynx
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