• Thumbnail for Portable emissions measurement system
    A portable emissions measurement system (PEMS) is a vehicle emissions testing device that is small and light enough to be carried inside or moved with...
    25 KB (3,062 words) - 16:23, 9 January 2024
  • Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions studied...
    29 KB (3,623 words) - 22:03, 27 August 2024
  • Thumbnail for European emission standards
    vehicles Portable emissions measurement system Regulation on non-exhaust emissions Type approval Ultra-low-sulfur diesel United States vehicle emission standards...
    84 KB (7,030 words) - 11:57, 13 October 2024
  • Thumbnail for Volkswagen emissions scandal
    not obtain one. They used a portable emissions measurement system, making it possible to collect real world driving emissions data, for comparison with...
    265 KB (24,639 words) - 20:09, 6 November 2024
  • emissions AP 42 Compilation of Air Pollutant Emission Factors Emissions standard List of low emissions locomotives Motor vehicle emissions Portable Emissions...
    63 KB (5,853 words) - 12:47, 26 August 2024
  • measured emissions of laboratory tests. To measure emissions during the on-road test, vehicles are equipped with a portable emissions measurement system (PEMS)...
    23 KB (2,560 words) - 07:34, 13 October 2024
  • Not-To-Exceed (category Vehicle emission controls)
    change Western Climate Initiative Portable emissions measurement system Dieselnet, "Applicability and Test Cycles", Emission Standards » United States Heavy-Duty...
    16 KB (2,280 words) - 14:44, 16 January 2024
  • Thumbnail for National Ambient Air Quality Standards
    dispersion modeling Contamination control Clean Air Act (1990) Portable emissions measurement system Toxic Substances Control Act of 1976 "Definition of National...
    24 KB (2,534 words) - 19:51, 7 August 2024
  • road testing with portable emissions measurement system which adheres to the further expanded European Union's Real Driving Emissions. Expanded testing...
    6 KB (702 words) - 18:34, 22 August 2023
  • Thumbnail for Photosynthesis system
    systems are electronic scientific instruments designed for non-destructive measurement of photosynthetic rates in the field. Photosynthesis systems are...
    22 KB (2,750 words) - 17:29, 25 September 2023
  • CO2, and subtracting half of the percent CO from the O2. Portable emissions measurement system Air–fuel ratio "Archived copy" (PDF). Archived from the...
    1 KB (166 words) - 05:58, 18 October 2023
  • Thumbnail for Air pollution measurement
    sometimes expressed as separate measurements of methane (CH 4), NMHC (non-methane hydrocarbons), and THC (total hydrocarbon) emissions (where THC is the sum of...
    39 KB (3,787 words) - 20:26, 4 January 2024
  • AIR Index (category Emission standards)
    on at least two independently sourced vehicles, with a portable emissions measurement system (PEMS) in real-world urban driving situations. The rating...
    7 KB (546 words) - 12:37, 23 May 2024
  • space for developing enhanced on-board diagnostics and portable emissions measurement systems. The facility also includes a separate advanced chemistry...
    86 KB (7,930 words) - 02:41, 17 November 2024
  • an emissions reduction technology for a pollutant Identifying a mobile source Utilize a Portable Emissions Measurement System to measure emissions of...
    10 KB (1,227 words) - 00:35, 24 April 2021
  • Thumbnail for Pressure measurement
    Other methods of pressure measurement involve sensors that can transmit the pressure reading to a remote indicator or control system (telemetry). Everyday...
    74 KB (9,894 words) - 01:28, 28 July 2024
  • Radiated Emissions from Integrated Circuits—Surface Scan Method (Loop Probe Method) 10 MHz to 3 GHz J1752/3, Measurement of Radiated Emissions from Integrated...
    24 KB (3,136 words) - 10:00, 27 September 2024
  • Man-portable radar is a lightweight surveillance radar system that does not require vehicle support to transport or operate. Man-portable radars were...
    7 KB (893 words) - 08:56, 8 August 2024
  • industrial systems, and abandoned equipment throughout the world has all but guaranteed their future emissions for many years to come. Fugitive emissions of CFCs...
    11 KB (2,265 words) - 20:56, 14 January 2024
  • Thumbnail for Air conditioning
    of visible light (940 nm). This system is commonly used on mini-split air conditioners because it is simple and portable. Some window and ducted central...
    99 KB (10,299 words) - 02:10, 17 November 2024
  • Thumbnail for Flame ionization detector
    gas monitoring, fugitive emissions monitoring and internal combustion engine emissions measurement in stationary or portable instruments. The first flame...
    11 KB (1,387 words) - 20:35, 12 July 2024
  • Thumbnail for Multi-component gas analyzer system
    compact, portable, weather-resistant containers allowing for in situ measurements of various types of outgassing terrains. Gas is pumped into the system at...
    22 KB (2,141 words) - 16:06, 17 August 2024
  • petroleum gas (LPG), as opposed to diesel), the three types of emissions modern systems are concerned with are: hydrocarbons (which are released when the...
    30 KB (4,234 words) - 13:28, 18 June 2024
  • Thumbnail for Atmospheric dispersion modeling
    Atmospheric dispersion modeling (category Industrial emissions control)
    dispersion terminology List of atmospheric dispersion models Portable Emissions Measurement System (PEMS) Roadway air dispersion modeling Useful conversions...
    33 KB (3,658 words) - 16:14, 14 November 2024
  • Thumbnail for Infrared thermometer
    contact thermometer), then the sensor's emissivity setting can be adjusted until the temperature measurement by the IR method matches the measured temperature...
    12 KB (1,446 words) - 05:33, 14 October 2024
  • Multimedia systems and equipment – Colour measurement and management IEC 61967 Integrated circuits – Measurement of electromagnetic emissions, 150 kHz to...
    128 KB (17,117 words) - 16:39, 22 October 2024
  • ApSimon H., Oxley T., et al., 2016, A portable emissions measurement system (PEMS) study of NOx and primary NO2 emissions from Euro 6 diesel passenger cars...
    12 KB (1,088 words) - 06:25, 4 October 2024
  • Thumbnail for Data logger
    digital data loggers (DDL). They generally are small, battery-powered, portable, and equipped with a microprocessor, internal memory for data storage,...
    13 KB (1,771 words) - 22:05, 13 September 2024
  • nasal emission. Thus, a complete system for nasometry consists of a combined nasalance measurement system and nasal emission measurement system. However...
    2 KB (208 words) - 22:03, 12 September 2023
  • Thumbnail for Catalytic converter
    Catalytic converter (category Air pollution control systems)
    catalytic systems to their vehicles to meet federal emissions requirements. Two techniques have been developed for the catalytic reduction of NOx emissions under...
    56 KB (6,707 words) - 22:48, 14 November 2024