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Polycarbonate is commonly used in eye protection, as well as in other projectile-resistant viewing and lighting applications that would normally indicate the use of glass, but require much higher impact-resistance. Polycarbonate lenses also protect the eye from UV light.
Density system unit unit-code symbol or abbrev. notes sample default conversion combination output units Metric: kilogram per cubic metre: kg/m3 kg/m 3: 1.0 kg/m 3 (1.7 lb/cu yd)
— "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 .
kg/m3 lb/yd3 (kg/m3 lb/cuyd) gram per cubic metre: g/m3 g/m 3: 1.0 g/m 3 (0.0017 lb/cu yd) g/m3 kg/m3; g/m3 lb/ft3 (g/cm3 lb/cuft) g/m3 lb/yd3 (g/cm3 lb/cuyd) Imperial & US customary: pound per cubic foot: lb/ft3 lb/cu ft 1.0 lb/cu ft (0.016 g/cm 3) lb/ft3 kg/m3 (lb/cu ft g/m3) lb/ft3 g/m3 (lb/cu ft g/m3) pound per cubic yard: lb/yd3 lb/cu yd 1 ...
The kilogram per cubic metre (symbol: kg·m −3, or kg/m 3) is the unit of density in the International System of Units (SI). It is defined by dividing the SI unit of mass, the kilogram, by the SI unit of volume, the cubic metre. [1]
The contribution of the muscle to the specific heat of the body is approximately 47%, and the contribution of the fat and skin is approximately 24%. The specific heat of tissues range from ~0.7 kJ · kg−1 · °C−1 for tooth (enamel) to 4.2 kJ · kg−1 · °C−1 for eye (sclera). [13]
1 g/cm 3 = 1000 kg/m 3; megagram (metric ton) per cubic metre (Mg/m 3) In US customary units density can be stated in: Avoirdupois ounce per cubic inch (1 g/cm 3 ≈ 0.578036672 oz/cu in) Avoirdupois ounce per fluid ounce (1 g/cm 3 ≈ 1.04317556 oz/US fl oz = 1.04317556 lb/US fl pint) Avoirdupois pound per cubic inch (1 g/cm 3 ≈ 0.036127292 ...
This is a list of some physical properties of common glasses. Unless otherwise stated, the technical glass compositions and many experimentally determined properties are taken from one large study. [1]