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A Chinese publication lists 30MnCrNiMo "685" steel as the material used in Chinese rolled armor plates, with a Brinell Hardness of HBW 444-514 (thin) / 429-495 (thick). According to the same publication, older vehicles use a 22SiMn2TiB "616" steel with a hardness of HBS ≤ 219.
Polyolester oil (POE oil) is a type of wax-free synthetic oils used in refrigeration compressors that is compatible with the refrigerants R-134a, R-410A, and R-12. [1] POE oils are used as a lubricant in systems using the refrigerant HFC-134a when replacing CFC-12 , as these systems traditionally use mineral oil , [ 2 ] which HFC-134a does not ...
Non-explosive reactive armour (NxRA), also known as non-energetic reactive armor (NERA), is a type of vehicle armor used by modern main battle tanks and heavy infantry fighting vehicles. NERA advantages over explosive reactive armor (ERA) are its inexpensiveness, multi-hit capability, [ 1 ] and ease of integration onto armored vehicles due to ...
Ceramic tiles have a multiple hit capability problem in that they cannot sustain successive impacts without quickly losing much of their protective value. [6] To minimise the effects of this the tiles are made as small as possible, but the matrix elements have a minimal practical thickness of about 25 mm (approximately one inch), and the ratio of coverage provided by tiles would become ...
Scion is a role-playing game wherein players take on the roles of mortal descendants of gods tasked with working as the hands of their parents in the mortal world; while the first edition focused on a singular antagonist in the form of the recently escaped Titans (powerful, primordial embodiments of concepts such as water, chaos or light), the second edition does not automatically place this ...
Krupp coal stacker featuring tripper conveyor and non-slewing, luffing boom at RTCA Kestrel Mine Stacker at Garzweiler surface mine. A stacker is a large machine used in bulk material handling. Its function is to pile bulk material such as limestone, ores, coal and cereals onto a stockpile. A reclaimer can be used to recover the material.
The works of American author Edgar Allan Poe (January 19, 1809 – October 7, 1849) include many poems, short stories, and one novel.His fiction spans multiple genres, including horror fiction, adventure, science fiction, and detective fiction, a genre he is credited with inventing. [1]
A four-funnel liner, also known as a four-stacker, is an ocean liner with four funnels. Kaiser Wilhelm der Grosse , launched in 1897, was the first ocean liner to have four funnels and was one of the first of the golden era of ocean liners that became prominent in the 20th century.