Примеры использования Particle number на Английском языке и их переводы на Русский язык
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Appendix 5: Particle number emissions measurement equipment 136.
Annex 4C- Particle Number Measurement Test Procedure.
Particle number system check procedures 2.3.1.
The revised particle mass and particle number measurement methods had shown excellent repeatability
In the absence of data on the particle number measurement method, the expert from Italy raised his doubts on the possible insertion of future limit values for the number of particles. .
Why the PMP laboratory verification study is not a sufficient basis for establishing particle number limit values.
The transformation time of the particle number sampling and measurement system shall be determined according to paragraph 1.3.6. of Appendix 1 to this annex.
The dependence of the line of the stability minima and of the line of the particle number fluctuation maxima on the isotherms on the type of equations of state is determined.
Particle number"(PN) means the total number of solid particles emitted from the vehicle exhaust
Alternatively separate pre-classifiers may be used, extracting the particle number sample from the dilution system upstream of the particulate mass pre-classifier.
To compensate for the mass flow extracted from the dilution system for particle number sampling the extracted mass flow(filtered) shall be returned to the dilution system.
Where subtraction of the background contribution gives a negative result, the particle number result shall be considered to be zero.
emission of gaseous compounds, particulate matter and particle number at the tailpipe of a vehicle.
Mass flow rate fed back into dilution tunnel to compensate for particle number sample extraction.
the particulate mass, and the particle number when appropriate,
notably PM and particle number PN.
Alternatively, the total mass flow in the dilution system may be mathematically corrected for the particle number sample flow extracted.
Gases, particulate matter and particle number shall be sampled and analysed by the prescribed methods.
This shall be drawn from a point immediately downstream of the dilution air filters into the particle number measurement system.
non-road mobile machinery and vehicles should include a particle number limit value.