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The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force. The hardness may also be shown as XXX HB YYD 2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D 2. It could be a ...
Lab-on-a-chip. A lab-on-a-chip ( LOC) is a device that integrates one or several laboratory functions on a single integrated circuit (commonly called a "chip") of only millimeters to a few square centimeters to achieve automation and high-throughput screening. [1] LOCs can handle extremely small fluid volumes down to less than pico-liters.
Fab lab. A fab lab ( fabrication laboratory) is a small-scale workshop offering (personal) digital fabrication. [1] [2] A fab lab is typically equipped with an array of flexible computer-controlled tools that cover several different length scales and various materials, with the aim to make "almost anything". [3]
Applied Physics Laboratory. The Johns Hopkins University Applied Physics Laboratory (or simply Applied Physics Laboratory, or APL) is a not-for-profit university-affiliated research center (UARC) in Howard County, Maryland. It is affiliated with Johns Hopkins University and employs 8,700 people as of 2024. [2] APL is the nation's largest UARC.
The U.S. Army Combat Capabilities Development Command Army Research Laboratory ( DEVCOM ARL) is the U.S. Army 's foundational research laboratory. ARL is headquartered at the Adelphi Laboratory Center (ALC) in Adelphi, Maryland. Its largest single site is at Aberdeen Proving Ground, Maryland.
USRA Light Santa Fe. Factor of adh. The USRA Light Santa Fe was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC ...
Laboratory scissor jacks are lifting stages for beakers, flasks, water baths, stirrer, or other lab tools used to elevate equipment height to the user's needs, usually around 5 to 20 cm. It consists of metal pieces connected together in a scissor-like shape between a top and a bottom platform. The metal pieces acting as an adjustable lift using ...
The lab's early efforts focused on developing designs and materials for producing electricity from nuclear reactions. The laboratory designed and built Chicago Pile 3 (1944), the world's first heavy-water moderated reactor , and the Experimental Breeder Reactor I (Chicago Pile 4) in Idaho, which lit a string of four light bulbs with the world's ...