The English term "cross-ratio" was introduced in 1878 by William Kingdon Clifford.
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Dirk Struik (1953) Lectures on Analytic and Projective Geometry, page 7, Addison-Wesley.
The discovery of a theory of ratios that does not assume commensurability is probably due to Eudoxus.
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Advanced Silicon Etch (ASE) is a deep reactive ion etching (DRIE) technique to rapidly etch deep and high aspect ratio structures in silicon.
MGM: "Enhanced for 16:9 TVs" or "Enhanced for Widescreen TVs;" includes aspect ratio since 2001; uses Fox’s format since 2004.
These were significant and partly as a result, he was able in 1954 to move to Detroit, Michigan, USA, with ideas and patents to improve steering systems for automobiles, and for the next two decades introduced improvements into various vehicles around the world mainly in aspects of hydraulically powered and variable-ratio steering.
Kimberly-Clark uses a test procedure was where samples were challenged with a biological aerosol of Staphylococcus aureus and the results employ a ratio of the bacterial challenge counts to sample effluent counts, to determine percent bacterial filtration efficiency (%BFE).
“Changing the metaphor: Ratio models of musical pitch in the work of Harry Partch, Ben Johnston, and James Tenney,” Perspectives of New Music 33, nos. 1 & 2 (Winter–Summer 1995): 458–503.
TVR Tuscan with the option of a close ratio gearset on 1st, 2nd & 3rd gears for the Tuscan S
Cameron has also been widely praised for the development of RS Senior Quarterback Zach Mettenberger who had the best season of his LSU career with a 64.9% completion percentage, and a 22 to 8 Touchdown to Interception Ratio.
Harvard University economists Carmen Reinhart and Kenneth Rogoff warned about the dramatic risks entailed when public debt-to-GDP ratio exceeds 90 percent in their book entitled This Time is Different: Eight Centuries of Financial Folly (2009).
In a typical chemical reaction, the air-fuel ratio must be a minimum of 14:1 (see Stoichiometry).
Carbon planets might also be located near the galactic core or globular clusters orbiting the galaxy, where stars have a higher carbon-to-oxygen ratio than the Sun.
The Chandrasekhar number is a dimensionless quantity used in magnetic convection to represent ratio of the Lorentz force to the viscosity.
Ratio was voted the best Australian metal release of 2006 by the shows presenter, Andrew Haug.
In addition, changing fuel maps to coincide with the stoichiometric ratio for gasoline combustion may also realize performance increase.
Dynamic modulus (materials engineering), the ratio of stress to strain under vibratory conditions.
In 1967 the final drive ratio was quietly changed from 3.31:1 to 3.54:1 which led to press complaints about fussier high speed cruising but which improved acceleration times from stand-still within the range of the speeds legal in Britain following the introduction, in December 1965, of a blanket 70 mph (113 km/h) speed limit across the nation's highways.
Also called Gunbuster 2, it is the direct sequel to Gunbuster, but is animated in a 16:9 widescreen aspect ratio, rather than the 4:3 aspect ratio used in the majority of Gunbuster.
(with Otto Lummer:) A Determination of the ratio k of the specific heat for air, oxygen, carbon-dioxide and hydrogen.
The Europa touring wing uses a unique Dykins 12% thickness/chord ratio airfoil designed by Donald H. Dykins, who had been deputy Chief Aerodynamicist at Hawker Siddeley Aviation, and later technical director of British Aerospace and chief aerodynamicist on the European Airbus.
If the monitor aspect ratio is different than the fixed aspect ratio the monitor will show black bars or stretch the image.
An example of a high-performance design with an imperfect fineness ratio is the Lancair.
Based on an audit of reserves conducted by DeGolyer and MacNaughton and according to the Petroleum Resources Management System standards, the company's proven reserves at the end of 2012 totaled 1.2 billion tonnes of oil equivalent, and its reserve replacement ratio was over 286%.
Applying the same geometric mean technique to 16:9 and 4:3 approximately yields the 14:9 (...) aspect ratio, which is likewise used as a compromise between these ratios.
Golden ratio, a specific mathematical ratio (sometimes called golden mean)
The Armée de l'Air changed their nomenclature, so the next version was the Hispano-Suiza 12Y-21, which increased the compression ratio to 7:1, when running on 100 octane gasoline.
The gender subcategory includes five indicators measuring gender equality, the ratio of girls to boys in primary and secondary education, the primary school completion rate for girls, the proportion of women who are economically active, and the proportion of parliamentary seats held by women.
Rutherford's goals per game ratio at Queens does however compare well against other prominent forwards to have played for Queens surpassing such as Dave Halliday, Billy Houliston, Jim Patterson, Neil Martin, Andy Thomson and Stephen Dobbie.
In June 2010, KSMS began broadcasting in 16:9 HDTV ratio in time for the 2010 FIFA World Cup, however, its newscasts remains in 4:3 ratio.
Passenger load factor, the ratio of revenue passenger miles to available seat miles of a particular transportation operation (e.g. a flight)
Jay Hambidge believed that the golden rectangle was the ratio used by Attic Greek architects in the design of the Parthenon and other ancient Greek buildings, as well as sculptures, paintings, and vases.
The 1995–1999 turbo engines were given an increased compression ratio of 8.5:1, up from 7.8:1, and a smaller turbo, a Garrett T25 in place of the previous Mitsubishi TD04-13G (automatic cars) and TD05-14B (manual cars).
While reviewers praise its image quality and constant f/ratio despite a small size, it is considered very expensive, especially after the introduction of the competing, even smaller Olympus M.Zuiko Digital ED 9-18mm f/4-5.6 lens.
It is allowed to rescale the number of particles, because the Lorentz force depends only on the charge to mass ratio, so a super-particle will follow the same trajectory as a real particle would.
The Samsung (previously Sharp) branded TFT LCD screen measures 110 mm (4.3 in) diagonal with a 16:9 ratio and a 480×272 pixel resolution capable of 16.77 million colors.
It is defined as a ratio with values between 0 and 1: the numerator is the area between the Lorenz curve of the distribution and the uniform distribution line; the denominator is the area under the uniform distribution line.
But testing is not confined to DC (zero frequency); often an operational amplifier will also have its PSRR given at various frequencies (in which case the ratio is one of RMS amplitudes of sinewaves present at a power supply compared with the output, with gain taken into account).
Fusion energy gain factor Q, the ratio of fusion power produced in a reactor to the power required to maintain the plasma in steady state
It was noted that the hazard ratio increased sharply as the center TTR rose to above 65%, and at a TTR above 67%, the hazard ratio crossed 1.0.
In economics, Rosser's equation (named after J. Barkley Rosser, Jr.) calculates future US Social Security Administration Trust Fund balances and payments as the ratio of benefit payments in real terms for a given income level to be received the year after the Trust Fund would be exhausted, to those of the same income level for an initial year.
This can be attributed to the high ratio of Caucasians to Rotumans in the early days of exposure to white people, when Rotuma became a haven to mutineers and stow-aways who appreciated the beauty of the island and found prosperity as the trading advisers to local chiefs when dealing with Occidental ships.
All India Radio (AIR / Akashvani) Sawai Madhopur broadcast, local Ratio station -FM band (101.5 MHz) in the city.
Jerrum, Valiant, and Vazirani showed that every #P-complete problem either has an FPRAS, or is essentially impossible to approximate; if there is any polynomial-time algorithm which consistently produces an approximation of a #P-complete problem which is within a polynomial ratio in the size of the input of the exact answer, then that algorithm can be used to construct an FPRAS.
Fill factor is defined as the ratio of the maximum power from the solar cell to the product of Voc and Isc.
The shape Vesica piscis has a major axis: minor axis ratio equal to the square root of three, this can be shown by constructing two equilateral triangles within it.
Contract management may rely on code analysis to define levels of quality between contractors: e.g. cloning ratio, complexity of functions, specific ratings.
A pitcher that possesses a great K/BB ratio is usually a dominant power pitcher, such as Randy Johnson, Pedro Martínez, Curt Schilling, or Ben Sheets.
The other reason is that the Wald test uses two approximations (that we know the standard error, and that the distribution is chi-squared), whereas the likelihood ratio test uses one approximation (that the distribution is chi-squared).