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A list of prices of chemical elements by mass and volume, based on average market data for bulk trade. Osmium is not included in the list, but it is one of the most expensive elements by mass, along with rhodium and iridium.
Example: Choose a gas mixture suitable for a bounce dive to 50 metres, where P O 2 must be limited to 1.4 bar and equivalent narcotic depth to 30 metres: Pressure at 50 m depth = 6 bar Required P O 2 = 1.4 bar : Oxygen fraction F O 2 = 1.4/6 = 0.23 = 23% Required equivalent narcotic depth (END) = 30 m Equivalent air pressure at 30 m = 4 bar
The Curta was conceived by Curt Herzstark in the 1930s in Vienna, Austria.By 1938, he had filed a key patent, covering his complemented stepped drum. [3] [4] This single drum replaced the multiple drums, typically around 10 or so, of contemporary calculators, and it enabled not only addition, but subtraction through nines complement math, essentially subtracting by adding.
The Apple Inc. logo is seen hanging at the entrance to the Apple store on 5th Avenue in Manhattan, New York, U.S., October 16, 2019.
"Block 1": 2006. Faster and more lethal missiles, a new "Block I CLU" providing increased ID range and surveillance time. [52] Janes claims this is the same as FGM-148E. [53] FGM-148E: Replaced electronic components in the control actuator section of the missile, for cost and weight savings. Developed as "Spiral 1" in 2013–14.
Still image of a movie of increasing magnification on 0.001643721971153 − 0.822467633298876i Still image of an animation of increasing magnification. There are many programs and algorithms used to plot the Mandelbrot set and other fractals, some of which are described in fractal-generating software.
The M1 Abrams is a third-generation American tank with a Honeywell AGT1500 multi-fuel turbine engine that produces 1,500 shp (1,120 kW). It has a composite armor, a computer fire control system, and NBC protection for crew safety.
The delta-v requirements for sub-orbital spaceflight are much lower than for orbital spaceflight. For the Ansari X Prize altitude of 100 km, Space Ship One required a delta-v of roughly 1.4 km/s.