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  2. K1 tank - Wikipedia

    en.wikipedia.org/wiki/K1_tank

    Maximum speed. 65 km/h (40 mph) (roads) 40 km/h (25 mph) (cross-country) The K1, also known as Type 88 by American engineers, is a South Korean main battle tank designed by Chrysler Defense (later General Dynamics Land Systems) and Hyundai Precision Industry (later Hyundai Rotem) for the Republic of Korea Armed Forces.

  3. Fracture toughness - Wikipedia

    en.wikipedia.org/wiki/Fracture_toughness

    Fracture toughness. In materials science, fracture toughness is the critical stress intensity factor of a sharp crack where propagation of the crack suddenly becomes rapid and unlimited. A component's thickness affects the constraint conditions at the tip of a crack with thin components having plane stress conditions and thick components having ...

  4. Crack growth equation - Wikipedia

    en.wikipedia.org/wiki/Crack_growth_equation

    A crack growth equation is used for calculating the size of a fatigue crack growing from cyclic loads. The growth of a fatigue crack can result in catastrophic failure, particularly in the case of aircraft. When many growing fatigue cracks interact with one another it is known as widespread fatigue damage.

  5. List of postal codes of Canada: K - Wikipedia

    en.wikipedia.org/wiki/List_of_postal_codes_of...

    K1E. Ottawa (Orleans Central) (Queenswood Heights, Queenswood Village) K2E. Ottawa (Nepean East) (Skyline / Fisher Heights / Parkwood Hills / Stewart Farm / Borden Farm / Fisher Glen / CitiPlace / Pineglen, Clearview / Country Place) K4E.

  6. Haplogroup K (mtDNA) - Wikipedia

    en.wikipedia.org/wiki/Haplogroup_K_(mtDNA)

    U8b'K. Descendants. K1, K2. Defining mutations. 3480 10550 11299 14798 16224 16311 [2] Haplogroup K, formerly Haplogroup UK, is a human mitochondrial DNA (mtDNA) haplogroup. It is defined by the HVR1 mutations 16224C and 16311C. It is now known that K is a subclade of U8. [3]

  7. Convair - Wikipedia

    en.wikipedia.org/wiki/Convair

    Atlas rocket launching Friendship 7, the first U.S. crewed orbital space flight. Atlas-Centaur with Pioneer 10 on launch pad. Convair, previously Consolidated Vultee, was an American aircraft-manufacturing company that later expanded into rockets and spacecraft. The company was formed in 1943 by the merger of Consolidated Aircraft and Vultee ...

  8. Multi-compartment model - Wikipedia

    en.wikipedia.org/wiki/Multi-compartment_model

    Multi-compartment model. A multi-compartment model is a type of mathematical model used for describing the way materials or energies are transmitted among the compartments of a system. Sometimes, the physical system that we try to model in equations is too complex, so it is much easier to discretize the problem and reduce the number of parameters.

  9. List of strains of Escherichia coli - Wikipedia

    en.wikipedia.org/wiki/List_of_strains_of...

    HB101. Escherichia coli B, the other of the two lab strains from which all lab substrains originate. Escherichia coli BL21 (DE3) Pathogenic: Enterotoxigenic E. coli (ETEC) Enteropathogenic E. coli (EPEC) Enteroinvasive E. coli (EIEC) Enterohemorrhagic E. coli (EHEC) Enteroaggregative E. coli (EAEC)