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14 results for “Ventilation Control”
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Research ArticleOpen accessEvery word in the titleThermal Control of a Greenhouse by Variation in Ventilation Rate using a Fuzzy Parallel Distributed Compensation Controller with an RST Regulator in Each RuleElyes Feki, Amine Chouchaine, Abdelkader MamiProblem statement: The greenhouse has uncontrollable inputs that affect its climate, which arises the difficulty to regulate its inside temperature. The solution can be found using a multi-system approach like the Takagi-Sugeno System from which a design of a Parallel Distributed Compensation (PDC) controller is performed. However, a stability problem arises and was negotiatesd in general based on a Lyapunov … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 27 Apr 2012 · 7,098 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTHE EFFECT OF VENTILATION AND ECONOMIZER ON ENERGY CONSUMPTIONS FOR AIR SOURCEHEAT PUMPS IN SCHOOLSNihal Al Raees, Nabil Nassif, Fouad Al RifaieThe study discusses the applications of CO2-based demand-controlled ventilation DCV strategy integrated with the economizer for air source heat pumps in schools, investigates their impact on the annual heating, cooling and total energy consumption, also determines the potential savings achieved in different USA locations. The study includes detailed energy analysis on an existing middle school through whole building simulation energy … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 18 Mar 2014 · 8,383 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssociation of Remdesivir with Poor Clinical Outcomes in COVID-19-A Single Center ExperienceRajat Ranka, Arjun, Prasan Kumar Panda et al.The need for an antiviral against COVID-19 prompted clinical trials worldwide and based on initial promising trends, remdesivir was widely used, including in India (compassionate use). Subsequent trials have been conflicting in their results and the utility of the drug has been widely debated. This is a record-based retrospective cohort study in a 1000-bedded government teaching hospital in North India. … …American Journal of Pharmacology and Toxicology, Vol. 17, Issue 1 · 3 Jun 2022 · 7,210 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacteristics and Incidence of Candidemia in Hospitalized Coronavirus 2019 (COVID-19) PatientsNaana A Boachie, Jackie P. Johnston, Simi A. Philip et al.Management of Coronavirus 2019 (COVID-19) with high-dose corticosteroids and interleukin-2 inhibitors has potential benefits, but is associated with immunosuppression and risk of secondary infections. This single-center, retrospective, cohort study evaluated the incidence of candidemia and associated risk factors in hospitalized COVID-19 patients. Twenty-three patients developed candidemia and were matched to 77 non-candidemic COVID-19 controls. The primary outcome was incidence of … …American Journal of Infectious Diseases, Vol. 18, Issue 1 · 18 Jan 2022 · 7,598 accessesView PDFCite
Research ArticleOpen accessIn the abstractDesign of Intelligent Household Fruit Vinegar Fermentation Device and Optimization of Key ParametersXinpeng Dai, Xiaoxue Xing, Lin Liu et al.Compared with carbonated beverages, fruit vinegar was gradually becoming more favored by consumers, because of their higher nutritional functions. But its popularization was limited by higher selling price. This article described a fruit vinegar fermentation device that can be used at home and also introduced the design principles, composition and operation methods. Furthermore, taking apple vinegar as an example, the … …American Journal of Biochemistry and Biotechnology, Vol. 14, Issue 3 · 24 Aug 2018 · 10,837 accessesView PDFCite
Research ArticleOpen accessIn the abstractSildenafil in the Treatment of Postoperative Hypoxemia with High Resistance in Cyanotic Congenital Heart DiseaseZhou Jiawang, Lv Yong, Hu Zhendong et al.This study was designed to determine the effect of sildenafil treatment on postoperative hypoxemia with high resistance in cyanotic congenital heart disease. A total of 247 cases of cyanotic congenital heart disease were operated on from May 2006 to August 2014. Only 45 cases exhibited postoperative hypoxemia after symptomatic treatment. Sildenafil at doses of 0.30-5 mg/kg every 6 h was … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 3 · 1 Sep 2017 · 7,682 accessesView PDFCite
EditorialOpen accessIn the abstractRECENT TRENDS AND CHALLENGES OF ENERGY EFFICIENT AND SUSTAINABLE BUILDINGSChiara BedonAccording to several studies (e.g., the Intergovernmental Panel on Climate Change (IPCC, 2014), the US Energy Information Administration (US EIA, 2014), warming of the climate system is unequivocal and mainly derives from greenhouse gas emissions due to human activities. Global Carbon Dioxide (CO2) emissions from fossil fuels, for example, are estimated to be 29% higher in 2035 than they were … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 3 · 11 Sep 2014 · 8,497 accessesView PDFCite
Research ArticleOpen accessIn the abstractIndoor Air Quality and Prevalence of Sick Building Syndrome Among Office Workers in Two Different Offices in SelangorMohd Ezman Zamani, Juliana Jalaludin, Nafiz ShaharomThis study was done to investigate the relationship between Indoor Air Quality (IAQ) and prevalence of Sick Building Syndrome (SBS) in two different offices (old and new) in Selangor. Hundred and seventy workers were selected consist of 85 office workers for each building. Questionnaire based on Indoor Air Quality and Work Symptoms Survey, NIOSH, Indoor Environmental Quality Survey, 1991 was … …American Journal of Applied Sciences, Vol. 10, Issue 10 · 10 Oct 2013 · 9,463 accessesView PDFCite
Research ArticleOpen accessIn the abstractFactors Associated with Mortality Among Patients with Central Venous Catheter-Related Bloodstream Infection in an Intensive Care UnitPriscilla Roberta Silva Rocha, Marcelo de Oliveira Maia, Gisele Brocco Magnan et al.Central venous catheterization is a common practice in the management of critically ill patients and is associated with various complications, such as Bloodstream Infections (BSI), which are major determinants of increased morbidity, mortality and healthcare expenses. Few studies have addressed factors that predict mortality in patients with this complication. The aim of this study was to investigate factors associated with … …American Journal of Infectious Diseases, Vol. 8, Issue 4 · 13 Feb 2013 · 7,618 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Automatic IncubatorSiriluk Sansomboonsuk, Chagorn Phonhan, Girati PhonhanThe designing of an automatic incubator consists of three main parts. The first part is a mathematical model of an incubator. Thermo-physical properties of selected materials were substituted to investigate its heat transfer characteristics. The second part is the consideration of equipment used to measure and control temperature and humidity. The last part is to select the controller for an … …Energy Research Journal, Vol. 2, Issue 2 · 29 May 2012 · 14,918 accessesView PDFCite