Moldova standards PDF

Space systems - Re-entry risk management for unmanned spacecraft and launch vehicle orbital stages. Original standard ISO 27875-2019 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 27875-2026

Space systems - Re-entry risk management for unmanned spacecraft and launch vehicle orbital stages - Amendment 1- Formula to obtain Ec by the product of the probability of impact on a specific latitude band, and the population within the band, which is integrated over the latitude range covered by the orbital inclination. Original standard ISO 27875-2019 amd1-2020 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 27875-2026

Information and documentation - International library statistics. Original standard ISO 2789-2022 in PDF full version. Additional info + preview on request

Document status: Active

Aerosol particle number concentration - Calibration of condensation particle counters. Original standard ISO 27891-2015 in PDF full version. Additional info + preview on request

Document status: Active

Vacuum technology - Turbomolecular pumps - Measurement of rapid shutdown torque. Original standard ISO 27892-2010 in PDF full version. Additional info + preview on request

Document status: Active

Vacuum technology - Vacuum gauges - Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge. Original standard ISO 27893-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 27893-2026