Betekenis van:
proportional sample
proportional sample
Zelfstandig naamwoord
- the population is divided into strata and a random sample is taken from each stratum
Synoniemen
Hyperoniemen
Voorbeeldzinnen
- During the test, the exhaust gases are diluted and a proportional sample collected.
- For particulates, a proportional sample must be collected on suitable filters.
- For particulates, a proportional sample shall be collected on a suitable filter.
- For particulates, a proportional sample shall be collected on suitable filters.
- The exhaust emissions are diluted with ambient air and a continuously proportional sample is collected for analysis.
- Mass gaseous emissions shall be determined from the proportional sample concentrations and the total volume measured during the test.
- The proportional sample is achieved by sampling with pump, flow-meter and flow control valve at a constant flow rate.
- A continuously proportional sample of the diluted exhaust gases and the dilution air shall be collected for analysis.
- During the test, the exhaust gases are diluted and a proportional sample collected in one or more bags.
- spot sample daily measurements of total suspended solids or measurements of a flow proportional representative sample over a period of 24 hours;
- For particulates, the exhaust mass flow rate signals are used for controlling the partial flow dilution system to take a sample proportional to the exhaust mass flow rate.
- For bag sampling and particulate sampling, a proportional sample shall be taken from the diluted exhaust gas of the CVS system.
- The total system response shall be designed as to ensure a representative sample of the particulates, qmp,i, proportional to the exhaust mass flow.
- The sample shall also include projects implemented by the responsible authority acting as executing body at least on a proportional basis.
- The total system response shall be designed as to ensure a representative sample of the particulates, GSE, proportional to the exhaust mass flow.