-
9937.
Hydrocolloids
Subjects
ColloidsGums and resins
-
9938.
Hydrocortisone
Subjects
Glucocorticoids
-
9939.
Hydrocyanic acid
Subjects
Inorganic acidsDisinfectants
-
9940.
Hydrodynamics
Subjects
Fluid dynamicsHydraulic engineeringMechanicsAnalytical mechanicsFluid mechanics
-
9941.
Hydroelectric power plants
Subjects
Electric power-plantsWater resources development
-
9942.
Hydroformylation
Subjects
Chemical reactions
-
9943.
Hydrogen
Subjects
Nonmetals
-
9944.
Hydrogen as fuel
Subjects
Fuel
-
9945.
Hydrogen bomb
Subjects
Nuclear weaponsBombs
-
9946.
Hydrogen bonding
Subjects
Molecular association
-
9947.
Hydrogen peroxide
Subjects
DisinfectantsPeroxides
-
9948.
Hydrogen-ion concentration
Subjects
-
9949.
Hydrogenation
Subjects
Chemical reactions
-
9950.
Hydrogeology
Subjects
Geology
-
9951.
Hydrographic surveying
Subjects
Surveying
-
9952.
Hydrography
Subjects
-
9953.
Hydrolases
Subjects
Enzymes
-
9954.
Hydrologic cycle
Subjects
Hydrology
-
9955.
Hydrology
Subjects
Earth sciences
-
9956.
Hydrolysis
Subjects
-
9957.
Hydrometallurgy
Subjects
Metallurgy
-
9958.
Hydrometeorology
Subjects
HydrologyMeteorology
-
9959.
Hydrophilidae
Subjects
Beetles
-
9960.
Hydrophobic surfaces
Subjects
Surface chemistry
Last updated dated: 21/02/2026