-
913.
Signal integrity (Electronics)
Subjects
Signal theory (Telecomunications)
-
914.
Signal processing
Subjects
-
915.
Signal theory (Telecomunications)
Subjects
-
916.
Silver mines
Subjects
Mines and mineral resources
-
917.
Sintering
Subjects
Powder metallurgy
-
918.
Smart cards
Subjects
Security systemsMicroprocessors
-
919.
Smart materials
Subjects
Materials
-
920.
Smartphones
Subjects
Cell phones
-
921.
Smithery
Subjects
-
922.
Social media
Subjects
Social interactionDigital mediaWeb 2.0
-
923.
Soil mechanics
Subjects
Earthwork
-
924.
Solar buildings
Subjects
Solar heatingBuildings
-
925.
Solar cells
Subjects
Electric batteriesPhotovoltaic cellsSolar energy
-
926.
Solar collectors
Subjects
Solar heatingSolar energy
-
927.
Solar energy
Subjects
Renewable energy sourcesSolar radiation
-
928.
Solar heating
Subjects
Solar thermal energy
-
929.
Solar power plants
Subjects
Electric power-plantsSolar energy
-
930.
Solar thermal energy
Subjects
Solar energyHeat engineering
-
931.
Sonar
Subjects
Underwater acousticsDetectorsEcholocation (Physiology)
-
932.
Sound
Subjects
Radiation
-
933.
Sound recording and reproducing
Subjects
Radio
-
934.
Sound recordings
Subjects
Audio-visual materials
-
935.
Space flight
Subjects
Astronautics
-
936.
Space policy
Subjects
Science and stateTechnology policy
Last updated dated: 20/10/2024