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[verification needed] Decimal time proposals are frequently used in fiction, often in futuristic works. In addition to decimal time, there also exist binary clocks and hexadecimal time. The Swatch Internet Time system is based on Decimal time. Many mechanical stopwatches are of the 'decimal minute' type. These split one minute into 100 units of ...
For American shot, a useful method for remembering the diameter of numbered shot in inches is simply to subtract the shot size from 17. The resulting answer is the diameter of the shot in hundredths of an inch. For example, #2 shot gives 17−2 = 15, meaning that the diameter of #2 shot is 15 ⁄ 100 or 0.15 in (3.8 mm). B shot is 0.170 in (4.3 ...
Assuming H 2 densities of 10 5 and [NH 2]/[H 2] ratio of 10 −7, this reaction proceeds at a rate of 2.2 × 10 −12, more than three orders of magnitude slower than the primary reaction above. Some of the other possible formation reactions are: H − + [NH 4] + → NH 3 + H 2 [PNH 3] + + e − → P + NH 3
(One minute of arc of latitude at the radius of the earth at sea level was the standard for one nautical mile until about 1929. The nautical mile is now defined as exactly 1,852 meters.) Railroads use the standard gauge of 4 feet 8 + 1 ⁄ 2 inches, as does most of Europe (where it is expressed instead as 1,435 mm).
The sale price of power generated by solar photovoltaics fell to ₹ 2.00 (2.3¢ US) per kWh in November 2020 which is lower than any other type of power generation in India. [179] [180] In 2023, the levelised tariff in US$ for solar electricity fell to 1.62 cents/kWh, far below the solar PV sale tariff in India.