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Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [1][2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW), bioconcentration factors (BCF ...
The Vin Fiz Flyer on display in the Smithsonian National Air and Space Museum in 2012 Vin Fiz Flyer stamp (upper left) on an envelope postmarked 1911. In addition to the Vin Fiz endorsement, Mabel Rodgers used the flight to promote an airmail service, and sold special 25-cent postage stamps for items to be carried on the airplane.
A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...
Wright Flyer. Developed into. Wright Flyer III. The Wright Flyer II was the second powered aircraft built by Wilbur and Orville Wright. During 1904 they used it to make a total of 105 flights, ultimately achieving flights lasting five minutes and also making full circles, which was accomplished by Wilbur for the first time on September 20.
Basalt fiber. Basalt fibers are produced from basalt rocks by melting them and converting the melt into fibers. Basalts are rocks of igneous origin. The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions. Basalt fibers are classified into 3 types: Basalt continuous fibers (BCF ...
The Avid Flyer is a conventional layout, single engine, side by side two seat light aircraft, with a strut-braced high wing configuration. Aluminum tubes serve as leading edge/main spar and rear spar, each wing being supported by a pair of tubular lift struts. Sawn plywood wing ribs are bonded to the aluminum tube spars using a filled epoxy ...
The Flyer has a fuel efficiency of 10.2 km/L (24 mpg) at 64 km/h (40 mph). Weapons can be mounted on a 360 degree ring or five patient litters can be carried. [ 7 ] [ 8 ] It also has an armored variant, with the 4-door cab, rear cargo area, and roofline armored to ballistic level B6.