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Showing 1 to 20 of 25 for “"Respirator"”.
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Toward a Respirator Control System
Made available in DSpace on 2014-12-12T20:54:21Z (GMT). No. of bitstreams: 1 7616189.pdf: 4199070 bytes, checksum: d44d955ea9f8b6737a855d1ce04b105f (MD5) Previous issue date: 1976
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Ultraviolet-C Powered Air Purifying Respirator (UVC PAPR)
… of a multi-stage powered air-purifying respirator (PAPR) incorporating direct ultraviolet-C (UVC) germicidal irradiation. The proposed PAPR aims to provide enhanced protection by actively sterilizing air through this UVC chamber immediately prior to inhalation. This approach offers an …
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EVALUATION OF TRANSIENT COGNITIVE CHANGES FROM MAXIMAL EXERTION AND RESPIRATOR WEAR
A comprehensive occupational respiratory protection program is mandated by federal law to protect workers exposed to breathing hazardous atmospheres. Those wearing respirators and/or performing high-intensity physical work may endure physiological and/or psychological impairment from …
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EVALUATION OF TRANSIENT COGNITIVE CHANGES FROM MAXIMAL EXERTION AND RESPIRATOR WEAR
A comprehensive occupational respiratory protection program is mandated by federal law to protect workers exposed to breathing hazardous atmospheres. Those wearing respirators and/or performing high-intensity physical work may endure physiological and/or psychological impairment from …
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Evaluation of the Bird Mark 8 respirator with J circuit for neonatal application
… study presents an evaluation of the Bird Mark 8 Respirator with J Circuit in neonatal application. The system was studied with special attention to the desirability of its possible application in the treatment of a respiratory ailment of newborn infants called hyaline membrane disease. The …
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The evaluation of the Arp-Varnum respirator as as anesthesia ventilator while delivering three percent halothane and air mixture
… study presents the evaluation of the Arp-Varnum Respirator as an anesthesia ventilator while delivering three percent Halothane and air mixture. The system is designed for neonates suffering from Respiratory Distress Syndrome (R.D.S.). This disease, which is also called hyaline membrane disease, …
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Evaluation of Training Technique as a Means of Influencing Safety Knowledge, Risk Perception and Proper Respirator Donning Ability Among Respiratory Protection Users
… available for the health and safety of workers, respiratory protection may be the most commonly used. It is also one of the most difficult to administer properly. Improper wearing of respirators can have serious consequences. Of 482,000 reported occupational illnesses in 1996, nearly 22,000 of …
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High flow nasal oxygen versus mechanical ventilation as initial respirator support in severe COVID-19 ARDS at Groote Schuur Hospital : a propensity score analysis
OBJECTIVE: The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) pandemic placed an unprecendented burden on global health care resources, and on intensive care unit (ICU) resources in particular. Due to ICU resource limitations, high flow nasal oxygen (HFNO), a novel ventilation …
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Acute Pulmonary Response in Landscape Workers: Job Redesign
… dust and pulmonary response is associated with respiratory irritants that are found in materials such as soil, grain, and compost, especially when these materials have become moist. Some of the culprits that have been identified as causative agents of respiratory spasms are endotoxin, fungal …
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Effects of Chemical Protective Clothing on Task Performance using Wearable Input Devices
… and 25-mil chemical protective gloves, wearing a respirator alone, and wearing the respirator and each of three gloves. Upon completion of the experiment, participants rated task difficulty, confidence using the input device, and input device preference. Task completion times were 9% slower with …
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Appalachian Coal Miners At Greater Risk For Silica Exposure than Rocky Mountains
… coal mine. In addition, log10 [coal production], respirator use, and coal mining facility type were statistically significant adjustments to the model. </p> <p>The overall logistic regression model results were significant [X2 (5, 24695) = 126.4, p <0.0001]. Region of mine (Appalachian or Rocky …
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Digital simulation of the neonate cardiovascular and pulmonary systems
… gas chemistry of the neonate and it's effect on respiratory stimulus, cardiac output and Ductus Arteriosus shunting. Pulmonary and cardiac system dynamics were not considered in the simulation. The model underwent a series of tests in which controlled mockups of actual physiological conditions …
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Analysis of a membrane type blood oxygenator and a ventricle type blood pump
… system is designed for newborns suffering from Respiratory Distress Syndrome (R.D.S.), especially the 15% who are unable to be helped by the Arp Infant Respirator. The analysis included oxygen transfer studies and hemolysis studies. The oxygenator was able to transfer as much as 140cc0₂/min/m² …
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An improved digital computer model of the neonatal respiratory system
… improved digital computer model of the neonatal respiratory system was developed. Using previous models as a basis, important improvements were made in order to accurately simulate infant blood gas chemistry and its effect on respiratory and circulatory control. The model is divided into five …
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Design and applications of cold-cathode X-ray imaging systems
… In an epilogue, I discuss our research on N95 respirator sterilization and re-use for crisis situations.
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Process-Property Characterization for Multi-Material Jetting Applications
… of large-scale, distributed production of respirators via AM, the lack of filtration efficiency testing generated concerns about the respirators' effectiveness. The goal of this work was to measure particle transmission through respirators fabricated with powder bed fusion and fused …
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Simulating COVID-19 Personal Protective Equipment Use in Acute Care Hospitals
… policy makers can decrease N95 facepiece respirator use by 47%, and gown and glove use by over 50% in acute care hospitals during a COVID-19-type pandemic. In an environment where significant attention is being paid to increasing supply capacity, a focus on shaping demand at the source is …
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PPE Effectiveness in Agricultural Settings
… pesticide breakthrough while wearing a half mask respirator and 15 mil nitrile gloves and if so, when that breakthrough occurs. An ambient sampling train and a sampling train behind a cartridge were created to compare the air concentrations in respirators, and positioned near the applicator during …
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The Effect of Simulation with Debriefing for Meaningful Learning in Courses of Nursing Theory and Practicum on Student Knowledge and Perception of Instruction
… concepts included infant growth and development, respirator, and neurology systems. The researcher facilitated the debriefing sessions utilizing the DML or traditional method. Data were analyzed through descriptive statistics and independent samples t test.</p> <p>There were no statistically …
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