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The compound (C 5 H 5) 2 TiS 5 is an example of a polysulfide complex. Polysulfides are a class of chemical compounds derived from anionic chains of sulfur atoms. [1] There are two main classes of polysulfides: inorganic and organic.
— "Values ranging from 21.3 to 21.5 gm/cm 3 at 20 °C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm 3 at 20 °C." 21.46 g/cm 3 — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum .
It is available as a one-component product, or mixed from two components (a base and curative). Manufacturers provide it in a range of hardnesses from very soft to medium—usually from 15 to 40 Shore A. RTV silicones can be cured with a catalyst consisting of either platinum or a tin compound such as dibutyltin dilaurate. [1]
Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or ...
19 Determination of dry density of soils, in place by the core-cutter method.IS:2720 (Part.29) 1975 20 Laboratory vane shear test. IS:2720 (Part.30) 1980 21 Determination of the density in place by the ring and water replacement method.IS:2720 (Part.33) 1971 22 Determination of free swell index of soils IS: 2720 (Part. XI) 1977
S is specific surface, m 2 ·kg −1 d is the cylinder diameter, m ρ is the sample particle density, kg·m −3 ε is the volume porosity of the bed (dimensionless) δP is the pressure drop across the bed, Pa l is the cylinder length, m η is the air dynamic viscosity, Pa·s Q is the flowrate, m 3 ·s −1
Alexander Basara/X. Eagles fan yells at Packers fan during game in Philadelphia on January 12, 2025
Energy density per unit mass J⋅kg −1: L 2 T −2: intensive Specific heat capacity: c: Heat capacity per unit mass J/(K⋅kg) L 2 T −2 Θ −1: intensive Specific volume: v: Volume per unit mass (reciprocal of density) m 3 ⋅kg −1: L 3 M −1: intensive Spin: S: Quantum-mechanically defined angular momentum of a particle kg⋅m 2 ⋅s ...