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The Nikon D90 is a 12.3-megapixel digital single-lens reflex camera (DSLR) model announced by Nikon on August 27, 2008. It is a prosumer model that replaces the Nikon D80, fitting between the company's entry-level and professional DSLR models.
D 90 (Arabic: د ٩٠), also known as Al Satwa Road, Al Multaqa Street or Sheikh Sabah Al Ahmad Al Jaber Al Sabah Street is a route in Dubai, United Arab Emirates.The road begins in the old Al Bastakiya area of Bur Dubai and runs roughly parallel to D 92 and D 94.
Naturally occurring strontium is nonradioactive and nontoxic at levels normally found in the environment, but 90 Sr is a radiation hazard. [4] 90 Sr undergoes β − decay with a half-life of 28.79 years and a decay energy of 0.546 MeV distributed to an electron, an antineutrino, and the yttrium isotope 90 Y, which in turn undergoes β − decay with a half-life of 64 hours and a decay energy ...
The core is also known as radioisotope heat source 90 (RHS-90). In its initial state after manufacture, the generator is capable of generating 10 watts of electricity . [ 3 ] The generator contains the strontium-90 radioisotope, with a heating power of 250W and 1,480 TBq of radioactivity – equivalent to some 280 grams (9.9 oz) of Sr-90. [ 4 ]
Delgada was launched 20 February 1943 by the Seattle-Tacoma Shipbuilding Corporation, Seattle, Washington; sponsored by Mrs. James B. Sykes and reclassified CVE-40 on 15 July 1943.
The AS-90 ("Artillery System for the 1990s"), known officially as Gun Equipment 155 mm L131, is an armoured self-propelled artillery used by the British Army. It can fire standard charges up to 24.7 km (15.3 mi) using 39-calibre long barrel and 30 km (19 mi) with 52-calibre long barrel. [ 2 ]
Patient 3-MB used a stout wire to pick up one source and carried it to a rocky outcrop that would provide shelter. The other patients lit a fire, and then patients 3-MB and 2-MG worked together to move the other source under the outcrop. They ate dinner and had a small amount of vodka, while remaining close to the sources.
DH.90A : Two 142 hp (106 kW) de Havilland Gipsy Major 1C or D (postwar, essentially identical) or the earlier, very similar Major II in prewar aircraft. Dragonfly Seaplane : the addition of aluminium floats, strengthened attachment points, an extra cabin door and a wing walkway, increased the empty weight to 3,110 lb (1,410 kg) and lowered the ...