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Three isotopes occur naturally, 12 C and 13 C being stable, while 14 C is a radionuclide, decaying with a half-life of 5,700 years. [15] Carbon is one of the few elements known since antiquity. [16] Carbon is the 15th most abundant element in the Earth's crust, and the fourth most abundant element in the universe by mass after hydrogen, helium ...
The specific explosive, Composition C, was 88.3% RDX and 11.7% non-oily, non-explosive plasticizer. [8] The material was plastic between 0 and 40 °C (32–104 °F), but was brittle at colder temperatures and gummy at higher temperatures. Composition C was superseded by Composition C2, which used a mixture of 80% RDX and 20% plasticizer.
C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C, which uses RDX as its explosive agent. C-4 is composed of explosives, plastic binder, plasticizer to make it malleable, and usually a marker or odorizing taggant chemical. C-4 has a texture similar to modelling clay and
The College Football Playoff will soon release its fourth top 25 rankings of the season. Here’s what you need to know and how to watch.
The Composition C family is a family of related US-specified plastic explosives consisting primarily of RDX. All can be moulded by hand for use in demolition work and packed by hand into shaped-charge devices. Variants have different proportions and plasticisers and include Composition C-1, Composition C-2, Composition C-3, and Composition C-4. [1]
The new year is often accompanied by a renewed interest in making some lifestyle adjustments. To help you get a jump start, Yelp recently shared its annual trend report, highlighting emerging ...
Wolverine Packing Co. has recalled more than 167,000 pounds of ground beef products because of possible E. coli contamination. As of Nov. 20, 15 people have been reported ill.
The C. David Brown II Stock Index From January 2008 to December 2012, if you bought shares in companies when C. David Brown II joined the board, and sold them when he left, you would have a 21.8 percent return on your investment, compared to a -2.8 percent return from the S&P 500.