cement chemistry
51Sodium silicate — E550 redirects here. For the Italian locomotive, see FS Class E550 Sodium silicate …
52Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
53North East Institute of Science and Technology, Jorhat — North East Institute of Science and Technology (NEIST) Motto Connecting science technology for a brighter to …
54Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
55Thaumasite — (white) with prehnite (green) from Fairfax Quarry, Virginia …
56Alchemy — Alchemist redirects here. For other uses, see Alchemist (disambiguation). For other uses, see Alchemy (disambiguation). Page from alchemic treatise of Ramon Llull, 16th century Alchemy is an influential philosophical tradition whose early… …
57Bélmez Faces — The Bélmez Faces or the Faces of Bélmez is considered by some parapsychologists the best documented and without doubt the most important paranormal phenomenon [in the 20th] century . [ [http://www.discoverychannel.com.au/paranormal/most… …
58Concrete degradation — may have various causes. Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage (from carbonation, chlorides, sulfates and distilled water). This process …
59Deepwater Horizon explosion — This article is about the explosion. For the drilling rig and oil spill, see Deepwater Horizon (disambiguation). Deepwater Horizon explosion Anchor handling tugs and platform supply vessels combat the fir …
60Bryan Higgins — (1737? 1820?) was a natural philosopher in chemistry.He was born in Collooney, County Sligo, Ireland. His father (d. 1777) was also called Dr. Bryan Higgins. Higgins entered the University of Leiden in 1765, from whence he qualified as a doctor… …
