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BDF2
BDF or Bdf may refer to: * Backward differentiation formula, a numerical method for solving ordinary differential equations * Ballroom Dancers' Federation, a British organization for competitive ballroom dancers * Bates Dance Festival, a yearly dance festival held at Bates College. * ''Banca Dacia Felix'' (Dacia Felix Bank), a defunct Romanian bank * Bedfordshire, a historic county in England, Chapman code * Beiersdorf AG, a multinational corporation based in Hamburg, Germany * Berlin Demography Forum, an annual international conference on demographic issues * Board foot, unit of measure for volume of lumber * Bois-des-Filion, Quebec, a town in Quebec, Canada * ''Bund Deutscher Frauenvereine'' (1894-1933), a defunct German women's organization Technology * Building Distribution Frame, a type of distribution frame in telecommunications * PCI BDF (bus/device/function), a range of configurable addresses in PCI configuration space * Glyph Bitmap Distribution Format, a file format fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Backward Differentiation Formula
The backward differentiation formula (BDF) is a family of implicit methods for the numerical integration of ordinary differential equations. They are linear multistep methods that, for a given function and time, approximate the derivative of that function using information from already computed time points, thereby increasing the accuracy of the approximation. These methods are especially used for the solution of stiff differential equations. The methods were first introduced by Charles F. Curtiss and Joseph O. Hirschfelder in 1952.Curtiss, C. F., & Hirschfelder, J. O. (1952). Integration of stiff equations. Proceedings of the National Academy of Sciences, 38(3), 235-243. In 1967 the field was formalized by C. William Gear in a seminal paper based on his earlier unpublished work. General formula A BDF is used to solve the initial value problem : y' = f(t,y), \quad y(t_0) = y_0. The general formula for a BDF can be written as : \sum_^s a_k y_ = h \beta f(t_, y_), where ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bund Deutscher Frauenvereine
The Bund Deutscher Frauenvereine (Federation of German Women's Associations) (BDF) was founded on 28/29 March 1894 as umbrella organization of the women's civil rights feminist movement and existed until the Nazi seizure of power in 1933. Its creation was inspired by the founding of the World's Congress of Representative Women meeting on the occasion of the 1893 World's Columbian Exposition in Chicago. Several women from Germany attended this event: Anna Simson, Hanna Bieber-Böhm, Auguste Förster, Käthe Schirmacher. They took the example of the American National Council of Women as a model for the BDF. The International Council of Women also played a role in strengthening the co-operation between the NCW and the BDF. Governance The first board was composed of: * Auguste Schmidt * Anna Schepeler-Lette, Chairperson of the Latvian Club * Anna Simson * Hanna Bieber-Böhm as chairwoman of the association for the protection of minors Representative of the morality movement * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barbados Defence Force
The Barbados Defence Force (BDF) is the name given to the combined armed forces of Barbados. The BDF was established 15 August 1979, and has responsibility for the territorial defence and internal security of the island. The headquarters for the Barbados Defence Force is located at St. Ann's Fort, The Garrison, Saint Michael. Organization There are three main components of the BDF: *The Barbados Regiment – This branch is commanded by the Commanding Officer of the Barbados Regiment Lieutenant Colonel Carlos Lovell and is based at St Anns Fort and Paragon Base. This is the main land force component, and encompasses both regular and reserve units. * Barbados Coast Guard – This branch is commanded by the Commanding Officer of the Barbados Coast Guard Commander Mark Peterson and is based at HMBS Pelican. This is the maritime element, with responsibility for patrolling Barbados' territorial waters as well as drug interdiction and humanitarian and life-saving exercises. It too enc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bahrain Defense Force
The Bahrain Defence Force (BDF) is the military force of the Kingdom of Bahrain. The Bahrain Defence Force is under direct command and leadership of a commander-in-chief who holds the rank of field marshal. The Government has a Minister of Defence Affairs responsible of BDF representation in the Cabinet. It numbers about 18,000 personnel and consists of the Royal Bahraini Air Force, Royal Bahraini Army, Royal Bahraini Navy and the Royal Guard. Apart from the BDF, the public security forces and the Coast Guard report to the Ministry of Interior. In January 2008, the Crown Prince, Salman bin Hamad bin Isa Al Khalifa was appointed as the Deputy Supreme Commander, while Khalifa bin Ahmed Al Khalifa was appointed Commander-in-Chief of the BDF. BDF's Chief of Staff is Lieutenant General Theyab bin Saqer Al Noaimi. GCC support Bahrain, in conjunction with its GCC partners has moved to upgrade its defenses in response to the threat posed by the Iran-Iraq and Persian Gulf wars. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bangladesh Forces
The Mukti Bahini ( bn, মুক্তিবাহিনী, translates as 'freedom fighters', or liberation army), also known as the Bangladesh Forces, was the guerrilla resistance movement consisting of the Bangladeshi military, paramilitary and civilians during the War of Liberation that transformed East Pakistan into Bangladesh in 1971. They were initially called the Mukti Fauj. On 7 March 1971 Sheikh Mujibur Rahman issued a call to the people of East Pakistan to prepare themselves for an all-out struggle. Later that evening resistance demonstrations began, and the military began a full-scale retaliation with Operation Searchlight, which continued through May 1971. A formal military leadership of the resistance was created in April 1971 under the Provisional Government of Bangladesh. The military council was headed by General M. A. G. Osmani''Unconventional Warfare in South Asia: Shadow Warriors and Counterinsurgency'', Gates and Roy, Routledge, 2016 and eleven sector comm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glyph Bitmap Distribution Format
The Glyph Bitmap Distribution Format (BDF) by Adobe is a file format for storing bitmap fonts. The content takes the form of a text file intended to be human- and computer-readable. BDF is typically used in Unix X Window environments. It has largely been replaced by the PCF font format which is somewhat more efficient, and by scalable fonts such as OpenType and TrueType fonts. Overview the current version of BDF is 2.2. No future revisions are anticipated. Earlier versions were referred to as the Character Bitmap Distribution Format. In 1988, the X Consortium adopted BDF 2.1 as a standard for X Window screen fonts, but X Windows has largely moved to other font standards such as PCF, Opentype, and Truetype. Version 2.2 added support for non-Western writing. For example, glyphs in a BDF 2.2 font definition can specify rendering from top-to-bottom rather than simply left-to-right. A BDF font file contains three sections: #a global section that applies to all glyphs in a font ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PCI BDF
PCI configuration space is the underlying way that the Conventional PCI, PCI-X and PCI Express perform auto configuration of the cards inserted into their bus. Overview PCI devices have a set of registers referred to as ''configuration space'' and PCI Express introduces ''extended configuration space'' for devices. Configuration space registers are mapped to memory locations. Device drivers and diagnostic software must have access to the configuration space, and operating systems typically use APIs to allow access to device configuration space. When the operating system does not have access methods defined or APIs for memory mapped configuration space requests, the driver or diagnostic software has the burden to access the configuration space in a manner that is compatible with the operating system's underlying access rules. In all systems, device drivers are encouraged to use APIs provided by the operating system to access the configuration space of the device. Technical inf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Distribution Frame
Distribution may refer to: Mathematics *Distribution (mathematics), generalized functions used to formulate solutions of partial differential equations *Probability distribution, the probability of a particular value or value range of a variable **Cumulative distribution function, in which the probability of being no greater than a particular value is a function of that value *Frequency distribution, a list of the values recorded in a sample *Inner distribution, and outer distribution, in coding theory *Distribution (differential geometry), a subset of the tangent bundle of a manifold *Distributed parameter system, systems that have an infinite-dimensional state-space *Distribution of terms, a situation in which all members of a category are accounted for *Distributivity, a property of binary operations that generalises the distributive law from elementary algebra * Distribution (number theory) *Distribution problems, a common type of problems in combinatorics where the goal i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bois-des-Filion
Bois-des-Filion is an off-island suburb of Montreal, located in Quebec, Canada, to the north of Montreal. Historically, hundreds of families annually travelled to this region seasonally to experience the magnificent maple forests; however the tourist industry is currently a minor source of income for the city. The primary language spoken by its citizens is French, and the primary source of employment is general manufacturing. Origin of the name The name ''Filion'' is derived from the surname of Antoine Feuillon, a local carpenter who could neither read nor write, and thus was unable to correct any errors in the spelling of his name as the first records were kept. Antoine Feuillion was the son of Michel Feuillon, a captain of the Musketeers of the Guards during the reign of the "Sun King", Louis XIV of France before his immigration to New France. This town is named ''Bois'' des Filion because of the beautiful maple woods bordering it; ''le bois'' being French for "the wood ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ballroom Dancers' Federation
The Ballroom Dancers' Federation was founded in 1958 to give a voice to competitive ballroom dancers. A previous organisation, called the Competitors' Federation had been disbanded soon after its formation in 1946. The purpose of the BDF is: :1. To promote the spirit of good fellowship and sportsmanship and to protect and advance the interests of professional competitors and professionals in general. :2. To further the goodwill and co-operation between those who utilise the services of its members and the governing Dance Sport bodies. These general aims are interpreted mainly from the point of view of professional competitors, though many of its activities do also benefit amateur competitors. The Federation has been responsible for starting many events: *The International Congress held biennially at the British Open Championships in Blackpool, where lectures on all aspects of the profession are presented. *The Night of 100 Stars, which is the showcase for the Dance Sport industry. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Board Foot
The board foot or board-foot is a unit of measurement for the volume of lumber in the United States and Canada. It equals the volume of a length of a board, one foot wide and thick. Board foot can be abbreviated as FBM (for "foot, board measure"), BDFT, or BF. A thousand board feet can be abbreviated as MFBM, MBFT, or MBF. Similarly, a million board feet can be abbreviated as MMFBM, MMBFT, or MMBF. Until 1970s in Australia and New Zealand the terms super foot and superficial foot were used with the same meaning. One board foot equals: * 1 ft × 1 ft × 1 in * 12 in × 12 in × 1 in * 144 in3 * 1/12 ft3 * ≈ * ≈ * ≈ or steres * 1/1980 Petrograd Standard of board The board foot is used to measure rough lumber (before drying and planing with no adjustments) or planed/surfaced lumber. An example of planed lumber is softwood 2 × 4 lumber sold by large lumber retailers. The 2 × 4 is actually only , but the dimensions for the lumber when purchased wholesal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Berlin Demography Forum
The Berlin Demography Forum (BDF) is a global, non-partisan platform providing a new impetus to raise awareness of the significance of demographic change both at a national and international level. The forum brings together high-ranking politicians, scientists, business leaders, and representatives of international organisations and civil society to debate potential solutions and to contribute to sustainable development. Conferences Conference themes were: “Family – Children – Society” at the BDF 2012, “Generations – Learning – Prosperity“ at the BDF 2013, retrieved May 19. 2014. “Trust – Security – Solidarity” at the BDF 2014 , retrieved at May 19. 2014. and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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