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sand ≥ 50% of coarse fraction passes No.4 (4.75 mm) sieve clean sand SW well-graded sand, fine to coarse sand SP poorly graded sand sand with >12% fines SM silty sand SC clayey sand Fine grained soils 50% or more passing the No.200 (0.075 mm) sieve silt and clay liquid limit < 50 inorganic: ML silt CL lean clay organic: OL organic silt ...
Trade discounts are given to try to increase the volume of sales being made by the supplier. The discount described as trade rate discount is sometimes called "trade discount". Trade discount is the discount allowed on retail price of a product or something. for e.g. Retail price of a cream is 25 and trade discount is 2% on 25.
The adhesive properties of sodium silicate were noted as early as the 1850s [19] and have been widely used at least since the First World War. [20] The largest application of sodium silicate solutions is a cement for producing cardboard . [ 1 ]
Biochar is charcoal, sometimes modified, that is intended for organic use, as in soil. It is the lightweight black remnants remaining after the pyrolysis of biomass , consisting of carbon and ashes ; and is a form of charcoal . [ 1 ]
Download QR code; Print/export Download as PDF; ... (20 °C). Material Thermal conductivity ... Sand, Hudson River 0.27 List: Robertson page 58 [31]
Furthermore, other demand side incentives for flexifuel vehicle owners include a SEK 10,000 (USD 1,300 as of May, 2009) bonus to buyers of FFVs, exemption from the Stockholm congestion tax, up to 20% discount on auto insurance, free parking spaces in most of the largest cities, lower annual registration taxes, and a 20% tax reduction for ...
It can also be produced by vaporizing quartz sand in a 3000 °C electric arc. Both processes result in microscopic droplets of amorphous silica fused into branched, chainlike, three-dimensional secondary particles which then agglomerate into tertiary particles, a white powder with extremely low bulk density (0.03-0.15 g/cm 3 ) and thus high ...
Clay tempered with sand, grit, crushed shell or crushed pottery were often used to make bonfire-fired ceramics because they provided an open-body texture that allowed water and volatile components of the clay to escape freely. The coarser particles in the clay also acted to restrain shrinkage during drying, and hence reduce the risk of cracking.