- heavy-medium cyclone
- heavy-medium vibrating chute
- heavy meson
- heavy metal
- heavy metal contamination of fisheries environment
- heavy metal elements measurements
- heavy metal in aquatic food
- heavy metal ion adsorbent
- heavy-metal ions absorbent fiber
- heavy metal measurement by laser-induced breakdown spectroscopy
- heavy metal pollutants poisoning
- heavy metal removal technology
- heavy metals
- heavy metal solidification agent of soil
- heavy metal star
- heavy metal stress
- heavy metals wastewater
- heavy metal tolerance of plants
- heavy mineral concentrates geochemical survey
- heavy neutral lepton
- heavy nuclear fission
- heavy nucleus
- heavy oil
- heavy oil cold recovery
- heavy oil cracking