[Portable measuring device for the equivalent gauge of permanent noise].
1974
W Liebig
UI
MeSH Term
Description
Entries
D009622
Noise
Any sound which is unwanted or interferes with HEARING other sounds.
Noise Pollution,Noises,Pollution, Noise
D004864
Equipment and Supplies
Expendable and nonexpendable equipment, supplies, apparatus, and instruments that are used in diagnostic, surgical, therapeutic, scientific, and experimental procedures.
Apparatus and Instruments,Devices,Medical Devices,Device, Medical,Devices, Medical,Equipment,Inventories,Medical Device,Supplies,Device,Instruments and Apparatus,Inventory,Supplies and Equipment
D013997
Time Factors
Elements of limited time intervals, contributing to particular results or situations.