Betekenis van:
sigma
sigma
Zelfstandig naamwoord
- sigma
- the 18th letter of the Greek alphabet
Hyperoniemen
Voorbeeldzinnen
- Sigma Aldrich Laborchemikalien
- Chloramphenicol (Sigma C-3175)
- Bacitracin (Sigma B-0125)
- Sigma Aldrich Chemie GmbH
- 2,3,5-triphenyl tetrazolium chloride (Sigma)
- An overlay accuracy of better than ±0,20 µm (3 sigma);
- an overlay accuracy of better than ±0,20 µm (3 sigma);
- (Reference: IEEE STD 528-2001 (one sigma standard deviation))
- Designed or optimised to produce critical dimensions of 180 nm or less with ± 5 % 3 sigma precision; or
- Designed or optimised to produce critical dimensions of 180 nm or less with ± 5 % 3 sigma precision; or
- Designed or optimised to produce critical dimensions of 0,3 μm or less with ± 5 % 3 sigma precision; or
- Designed or optimised to produce critical dimensions of 180 nm or less with ±5 % 3 sigma precision; or
- Cool to 50 °C and add a filter-sterilised solution of 2,3,5-triphenyl tetrazolium chloride (Sigma) to obtain a final concentration of 50 mg per l.
- In 7A101 the measurement of "bias" and "scale factor" refers to a one sigma standard deviation with respect to a fixed calibration over a period of one year;
- Dissolve ingredients and sterilise by autoclaving at 121 °C for 15 minutes. Cool to 50 °C and add a filter-sterilised solution of 2,3,5-triphenyl tetrazolium chloride (Sigma) to obtain a final concentration of 50 mg per l.