рингельман кестесі

рингельман кестесі

A series of charts, numbered 0 to 5, that simulate various smoke densities by presenting different percentages of black. A Ringelmann No. 1 is equivalent to 20 percent black; a Ringelmann No. 5 is 100 percent black. They are used for measuring the opacity or equivalent obscuration of smoke arising from stacks and other sources by matching the actual effluent with the various numbers, or densities, indicated by the charts.

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Parte del discurso: sustantivo
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Blosario
Industria/ámbito: Control de la contaminación
Categoría: Contaminación aérea
Company: ARB
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тым төмен газ бөлу көлігі

Control de la contaminación; Contaminación aérea

Vehicles that meet the ARB ultra-low emission standards. These emission limits are between those for LEVs and ZEVs. For more information, please view our DriveClean website.

икемді отын көлігі

Control de la contaminación; Contaminación aérea

Vehicles that can use a combination of fuels such as alcohol fuel and unleaded gasoline.

аймақ көздері

Control de la contaminación; Contaminación aérea

Those sources for which a methodology is used to estimate emissions. This can include area-wide, mobile and natural sources, and also groups of stationary sources (such as dry ...

бөліну деңгейі

Control de la contaminación; Contaminación aérea

The weight of a pollutant emitted per unit of time (e. G. , tons / year).

пайдаланылған газ шығармайтын көлік (ПГШК)

Control de la contaminación; Contaminación aérea

Vehicles which produce no emissions from the on-board source of power (e. G. , an electric vehicle). For more information, please go to our zero emission vehicles program website.

көмірсутек

Control de la contaminación; Contaminación aérea

Compounds containing various combinations of hydrogen and carbon atoms. They may be emitted into the air by natural sources (e.g., trees) and as a result of fossil and vegetative ...