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The standard format for specifying tests can be seen in the example "HBW 10/3000". "HBW" means that a tungsten carbide (from the chemical symbol for tungsten or from the Spanish/Swedish/German name for tungsten, "Wolfram") ball indenter was used, as opposed to "HBS", which means a hardened steel ball. The "10" is the ball diameter in millimeters.
Pennsylvania Railroad class J1. Water cap. 124 scrapped, 6435 is rumored to still be around, but not confirmed. The PRR J1 was a class of 2-10-4 "Texas" type steam locomotives built between 1942 and 1944. The J1 had over 95,000 pounds-force (422.6 kN) of tractive effort, plus an additional 15,000 lbf (66.7 kN) if the booster engine was used.
When the Union Army entered Savannah, Georgia during the American Civil War, they occupied what is now called the John Montmollin Building; it had a large sign that read "A. Bryan's Negro Mart" and was described as having "handcuffs, whips, and staples for tying, etc. Bills of sale of slaves by hundreds, and letters, all giving faithful description of the hellish business."
ATSF 3000 class 2-10-10-2. The forward section of the boiler is a primitive superheater and feedwater heater. In 1911 and 1912, the Atchison, Topeka and Santa Fe Railway modified ten 2-10-2 Baldwin -built locomotives into a new 2-10-10-2 configuration dubbed the 3000 class. They were the largest locomotives in the world from their introduction ...
High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM) initially from Samsung, AMD and SK Hynix.It is used in conjunction with high-performance graphics accelerators, network devices, high-performance datacenter AI ASICs, as on-package cache in CPUs and on-package RAM in upcoming CPUs, and FPGAs and in some supercomputers ...
C 6 H 5 OH + 2 CH 3 OH → (CH 3) 2 C 6 H 3 OH + 2 H 2 O. Challenges associated with the production is the similarity of the boiling points of cresols and this xylenol. Reactions. 2,6-Xylenol is susceptible to oxidative coupling leading to polymers and dimers. Acid-catalyzed condensation of 2,6-xylenol gives tetramethylbisphenol A.
The Tokyu 8500 series (東急8500系, Tōkyū 8500-kei) is a commuter electric multiple unit (EMU) train type operated by the private railway operator Tokyu Corporation on the Tokyu Den-en-toshi Line and Tokyu Oimachi Line in the Tokyo area of Japan from 1975 until 2023, and the Jabodetabek area of Indonesia since 2006.
In 2022, for example, Tesla completed a 3-for-1 split, and Amazon did a 20-for-1 split. Even Nvidia’s 10-for-1 split earlier this month seems tame compared to Chipotle’s move.