Search results
Results from the WOW.Com Content Network
The ARC-210 program began in 1990 as an improved version of the AN/ARC-182, adding jam-reisistant SINCGARS capability to communicate with Army radios for close air support. [2] The Arc-210 is installed on more than 180 platforms and is operating in more than 40 countries. As of 2010, 30,000 have been produced [3] and by October 2016, 40,000 ...
3,3’,4,4’-Benzophenone tetracarboxylic dianhydride (BTDA) is chemically, an aromatic organic acid dianhydride. It may be used to cure epoxy-based powder coatings. It has the CAS Registry Number of 2421-28-5 and a European Community number 219-348-1. It is REACH and TSCA registered. The formula is C 17 H 6 O 7 with a molecular weight of 322. ...
In the first half of the 19th century, almost every major railroad in North America owned and operated locomotives of this type, and many rebuilt their 4-2-0 and 2-4-0 locomotives as 4-4-0s. [1] [2] In April 1872, Railroad Gazette used "American" as the name of the type. The type subsequently also became popular in the United Kingdom, where ...
Almost 2 million men and women who served in Iraq or Afghanistan are flooding homeward, profoundly affected by war. Their experiences have been vivid. Dazzling in the ups, terrifying and depressing in the downs. The burning devotion of the small-unit brotherhood, the adrenaline rush of danger, the nagging fear and loneliness, the pride of service.
A tow is typically a bundle of carbon fibers impregnated with epoxy resin and is approximately 0.500 inches (12.7 mm) wide by 0.005 inches (0.13 mm) thick and comes on a spool. Fiber placement machines (FPM) generally have a capacity of 12 to 32 tows or when placing all tows at a time in a course, have respective course widths of 1.5 in to 4 in.
Specifications defining all of the AFP sub-architectures can be found at the AFP Consortium. [1] AFP also supports other industry-standard data formats using the concept of AFP object containers; examples are TIFF, GIF, JPEG (JFIF), EPS, and PDF. These objects can be mixed as peer objects on an AFP page with native AFP objects such as BCOCA ...
4,4’-Difluorobenzophenone is an organic compound with the formula of (FC 6 H 4) 2 CO. This colorless solid is commonly used as a precursor to PEEK, or polyetherether ketone, a so-called high performance polymer. Because PEEK is resistant to attack, it is commonly used in carbon fiber coatings and cable insulation.
4,4′-Azobis(4-cyanopentanoic acid) (ACPA) is a free radical initiator used in polymer synthesis. [1] ACPA is a water-soluble initiator used in both heterogeneous and homogeneous free-radical polymerizations. It is used as an initiator in reversible addition−fragmentation chain transfer polymerization (RAFT).