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Some hygroscopic materials, e.g., sea salt and sulfates, occur naturally in the atmosphere and serve as cloud seeds, cloud condensation nuclei (CCNs). Being hygroscopic, their microscopic particles provide an attractive surface for moisture vapour to condense and form droplets. Modern-day human cloud seeding efforts began in 1946. [7]
If the wood is placed in an environment at a particular temperature and relative humidity, its moisture content will generally begin to change in time, until it is finally in equilibrium with its surroundings, and the moisture content no longer changes in time. This moisture content is the EMC of the wood for that temperature and relative humidity.
Wood science [1] is the scientific field which predominantly studies and investigates elements associated with the formation, the physical and chemical composition, and the macro- and microstructure of wood as a bio-based and lignocellulosic material.
As wildfires rage across the US, devastating homes and communities, one question is being asked more urgently than ever: Why are so many homes still being built with wood? At least 10 people have ...
Species of ebony include Diospyros ebenum (Ceylon ebony), native to southern India and Sri Lanka; D. crassiflora (Gabon ebony), native to western Africa; D. humilis (Queensland ebony), native to Queensland, the Northern Territory, New Guinea and Timor; and D. celebica (Sulawesi ebony), native to Indonesia and prized for its luxuriant, multi-colored wood grain.
Lignum vitae is hard and durable, and is also the densest wood traded (average dried density: ~79 lb/ft 3 or ~1,260 kg/m 3); [4] it will easily sink in water. On the Janka scale of hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4,390 lbf (compared with Olneya at 3,260 lbf, [5] African blackwood at 2,940 lbf, hickory at 1,820 ...
Image credits: ddp images/VidaPress Wood was a celebrated Hollywood actress known for iconic roles in films like West Side Story and Rebel Without a Cause.. She was widely admired for her talent ...
The latest episode of BBC Radio Nottingham's Shut Up And Show More Football podcast has dropped on BBC Sounds. Former Nottingham Forest striker Robert Earnshaw joins the team to discuss Chris Wood ...