- 行业: Mining
- Number of terms: 33118
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The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
Union of two or more molecules of given structure to form a new compound with the same elemental proportions but with different properties and a higher molecular weight.
Industry:Mining
Unit of bending moment being the moment due to a force of 1 lb (0.454 kg) applied at a distance of 1 ft (30.48 cm).
Industry:Mining
Unit of electrical induction. With an electromotive force of 1 V and current of 1 A/s, one henry (H) = 10<sub>9</sub>electromagnetic unit. Symbol H.
Industry:Mining
Unit of kinematic viscosity. The cgs unit of kinematic viscosity being that of a fluid that has a viscosity of 1 P (100 mPa.s) and a density of 1 g/cm<sub>3</sub>.
Industry:Mining
Unit of magnetic induction in the electromagnetic and Gaussian systems of units, equal to 1 Mx/cm<sub>2</sub>(10 nWb/cm<sub>2</sub>), or 10<sub>-4</sub>Wb/m<sub>2</sub>. Also known as abtesla (abt).
Industry:Mining
Unit tensile strain is the elongation per unit length; unit compressive strain is the shortening per unit length; unit shear strain is the change in angle (radians) between two lines originally at right angles to each other.
Industry:Mining
Universal mill plate, or plate that is rolled to width by vertical rolls as well as being rolled to thickness by horizontal rolls.
Industry:Mining
Unoxidized slate-blue or blue-green kimberlite, usually a breccia (as in the diamond pipes of South Africa) that is found below the surficial oxidized zone of yellow ground. Compare: hardebank
Industry:Mining
