-
961.
Reaction mechanisms (Chemistry)
Subjects
Conditions and laws of chemical reaction
-
962.
Reactivity (Chemistry)
Subjects
Reaction mechanisms (Chemistry)
-
963.
Recombinant proteins
Subjects
Proteins
-
964.
Recrystallization (Metallurgy)
Subjects
Heat treatment of metals
-
965.
Reduction (Chemistry)
Subjects
Chemical reactions
-
966.
Refractory materials
Subjects
CeramicsMaterials at high temperatures
-
967.
Reinecke salt
Subjects
-
968.
Reverse osmosis)
Subjects
Osmosis
-
969.
Rhenium
Subjects
Transition metals
-
970.
Rhodium
Subjects
-
971.
Ring formation (Chemistry)
Subjects
Chemical reactions
-
972.
Rubies
Subjects
CorundumPrecious stones
-
973.
Rum
Subjects
Liquors
-
974.
Ruthenium
Subjects
Transition metals
-
975.
Salicylic acid
Subjects
Hydroxy acids
-
976.
Saline water conversion
Subjects
Fresh waterSaline watersWater purification
-
977.
Saline waters
Subjects
-
978.
Salinity
Subjects
-
979.
Salt
Subjects
Marine resources
-
980.
Saltpeter
Subjects
Nitrates
-
981.
Salts
Subjects
Chemistry
-
982.
Sämi (Trademark)
Subjects
Trademarks
-
983.
Sampling
Subjects
-
984.
Sanitary chemistry
Subjects
ChemistrySanitation
Last updated dated: 21/02/2026