| D009609 |
Nitrous Oxide |
Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream. |
Laughing Gas,Nitrogen Protoxide,Gas, Laughing,Oxide, Nitrous |
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| D009873 |
Operating Rooms |
Facilities equipped for performing surgery. |
Operating Room,Room, Operating,Rooms, Operating |
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| D002849 |
Chromatography, Gas |
Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. |
Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography |
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| D005069 |
Evaluation Studies as Topic |
Works about studies that determine the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. |
Critique,Evaluation Indexes,Evaluation Methodology,Evaluation Report,Evaluation Research,Methodology, Evaluation,Pre-Post Tests,Qualitative Evaluation,Quantitative Evaluation,Theoretical Effectiveness,Use-Effectiveness,Critiques,Effectiveness, Theoretical,Evaluation Methodologies,Evaluation Reports,Evaluation, Qualitative,Evaluation, Quantitative,Evaluations, Qualitative,Evaluations, Quantitative,Indexes, Evaluation,Methodologies, Evaluation,Pre Post Tests,Pre-Post Test,Qualitative Evaluations,Quantitative Evaluations,Report, Evaluation,Reports, Evaluation,Research, Evaluation,Test, Pre-Post,Tests, Pre-Post,Use Effectiveness |
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| D000397 |
Air Pollution |
The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS. |
Air Quality,Air Pollutions,Pollution, Air |
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| D000770 |
Anesthesia, Endotracheal |
Procedure in which an anesthetic such as a gas or mixture of gases is inhaled through a tube into the lungs. |
Anesthesia, Intratracheal,Endotracheal Anesthesia,Intratracheal Anesthesia,Anesthesias, Endotracheal,Anesthesias, Intratracheal,Endotracheal Anesthesias,Intratracheal Anesthesias |
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| D000776 |
Anesthesiology |
A specialty concerned with the study of anesthetics and anesthesia. |
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| D013048 |
Specimen Handling |
Procedures for collecting, preserving, and transporting of specimens sufficiently stable to provide accurate and precise results suitable for clinical interpretation. |
Specimen Collection,Collection, Specimen,Collections, Specimen,Handling, Specimen,Handlings, Specimen,Specimen Collections,Specimen Handlings |
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| D013223 |
Statistics as Topic |
Works about the science and art of collecting, summarizing, and analyzing data that are subject to random variation. |
Area Analysis,Estimation Technics,Estimation Techniques,Indirect Estimation Technics,Indirect Estimation Techniques,Multiple Classification Analysis,Service Statistics,Statistical Study,Statistics, Service,Tables and Charts as Topic,Analyses, Area,Analyses, Multiple Classification,Area Analyses,Classification Analyses, Multiple,Classification Analysis, Multiple,Estimation Technic, Indirect,Estimation Technics, Indirect,Estimation Technique,Estimation Technique, Indirect,Estimation Techniques, Indirect,Indirect Estimation Technic,Indirect Estimation Technique,Multiple Classification Analyses,Statistical Studies,Studies, Statistical,Study, Statistical,Technic, Indirect Estimation,Technics, Estimation,Technics, Indirect Estimation,Technique, Estimation,Technique, Indirect Estimation,Techniques, Estimation,Techniques, Indirect Estimation |
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