QF 2
QF may stand for: * Qantas Qantas Airways Limited ( ) is the flag carrier of Australia and the country's largest airline by fleet size, international flights, and international destinations. It is the world's third-oldest airline still in operation, having been founded ...

Qantas
Qantas Airways Limited ( ) is the flag carrier of Australia and the country's largest airline by fleet size, international flights, and international destinations. It is the world's third-oldest airline still in operation, having been founded in November 1920; it began international passenger flights in May 1935. ''Qantas'' is an acronym of the airline's original name, Queensland and Northern Territory Aerial Services, as it originally served Queensland and the Northern Territory, and is popularly nicknamed "The Flying Kangaroo". Qantas is a founding member of the Oneworld airline alliance. The airline is based in the Sydney suburb of Mascot, adjacent to its main hub at Sydney Airport. , Qantas had a 65 per cent share of the Australian domestic market and carried 14.9 per cent of all passengers travelling into and out of Australia. Various subsidiary airlines operate to regional centres and on some trunk routes within Australia under the QantasLink banner. Qantas also owns Je ...
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Qatar Foundation
Qatar Foundation for Education, Science and Community Development ( ar, مؤسسة قطر) is a state-led non-profit organization in Qatar, founded in 1995 by then-emir Hamad bin Khalifa Al Thani and his second wife Moza bint Nasser. Qatar Foundation (QF), chaired by Moza bint Nasser, has spearheaded Qatar's endeavors to establish itself as a leader in education, science, and cultural development on both a regional and global scale. According to the Qatar Foundation, its initiatives are oriented towards education, science and research, and community development. It has solicited a number of international universities to establish campuses in Qatar. The Qatar Foundation's activities have been characterized by critics as influence peddling or lobbying. Education K–12 education In primary and secondary education, Qatar Foundation has several initiatives. Examples include establishing five Qatar Academy branches, opening Awsaj Academy, a school for children with learning diffi ...
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Quality Factor
In physics and engineering, the quality factor or ''Q'' factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. It is defined as the ratio of the initial energy stored in the resonator to the energy lost in one radian of the cycle of oscillation. Q factor is alternatively defined as the ratio of a resonator's centre frequency to its bandwidth when subject to an oscillating driving force. These two definitions give numerically similar, but not identical, results. Higher ''Q'' indicates a lower rate of energy loss and the oscillations die out more slowly. A pendulum suspended from a high-quality bearing, oscillating in air, has a high ''Q'', while a pendulum immersed in oil has a low one. Resonators with high quality factors have low damping, so that they ring or vibrate longer. Explanation The Q factor is a parameter that describes the resonance behavior of an underdamped harmonic oscillator (resonator). Sinusoidally driven resonators ha ...
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Quick-firing Gun
A quick-firing or rapid-firing gun is an artillery piece, typically a gun or howitzer, which has several characteristics which taken together mean the weapon can fire at a fast rate. Quick-firing was introduced worldwide in the 1880s and 1890s and had a marked impact on war both on land and at sea. Characteristics The characteristics of a quick-firing artillery piece are: *A breech-loading weapon with a breech mechanism that allows rapid reloading *Single-part cased ammunition, i.e. a cartridge containing both shell and propellant *Recoil buffers to limit recoil, so the barrel can quickly return to the same position after firing *The use of smokeless powder – nitrocellulose, nitroglycerine, or cordite – which create far less smoke than gunpowder, meaning that gun crews could still see their target These innovations, taken together, meant that the quick-firer could fire aimed shells much more rapidly than an older weapon. For instance, an Elswick Ordnance Company 4.7-inch gun ...
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Quiverfull
Quiverfull is a Christian theological position that sees large families as a blessing from God. It encourages procreation, abstaining from all forms of birth control, as well as natural family planning, and Human sterilization (surgical procedure), sterilization. Some sources have referred to the Quiverfull position as providentialism, while other sources have simply referred to it as a manifestation of natalism. (originally published by CBN NewsarchivedSeptember 24, 2008) It is most widespread in the United States but it also has adherents in Canada, Australia, New Zealand, the United Kingdom and elsewhere. One 2006 estimate put the number of families which subscribe to this philosophy as ranging from "the thousands to the low tens of thousands". Historical background As birth-control methods advanced during the late 19th and early 20th centuries, many Christian conservative Christian movements issued official statements against their use, citing their incompatibility with bi ...
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British Ordnance Terms
This article explains terms used for the British Armed Forces' ordnance (i.e.: weapons) and also ammunition. The terms may have slightly different meanings in the military of other countries. BD Between decks: applies to a naval gun mounting in which part of the rotating mass is below the deck, and part of it is above the deck. This allows for a lower profile of turret, meaning that turrets need not be superfiring (i.e. they can be mounted on the same deck and not obstruct each other at high angles of elevation.) BL The term BL, in its general sense, stood for breech loading, and contrasted with muzzle loading. The shell was loaded via the breech (i.e. the gunner's end of the barrel, which opened) followed by the propellant charge, and the breech mechanism was closed to seal the chamber. Breech loading, in its formal British ordnance sense, served to identify the gun as the type of rifled breechloading gun for which the powder charge was loaded in a silk or cloth bag and the br ...
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Quds Force
The Quds Force ( fa, نیروی قدس, niru-ye qods, Jerusalem Force) is one of five branches of Iran's Islamic Revolutionary Guard Corps (IRGC) specializing in unconventional warfare and military intelligence operations. U.S. Army's Iraq War General Stanley McChrystal describes the Quds Force as an organization analogous to a combination of the CIA and the Joint Special Operations Command (JSOC) in the United States. Responsible for extraterritorial operations, the Quds Force supports non-state actors in many countries, including Hezbollah, Hamas, Palestinian Islamic Jihad, Yemeni Houthis, and Shia militias in Iraq, Syria, and Afghanistan. The Quds Force reports directly to the Supreme Leader of Iran, Ayatollah Khamenei.Dionisi, 7 After Qassem Soleimani was killed, his deputy, Esmail Ghaani, replaced him. The U.S. Secretary of State designated the Islamic Revolutionary Guard Corps and Quds Force as a Foreign Terrorist Organization (FTO) in 2019 based on the IRGC's "continued ...
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