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Å koda 14Tr
The Å koda 14Tr is a Czech Republic, Czech trolleybus that was produced from 1981 to 1998. Prototypes were built in 1972 and 1974. After the unsuccessful attempt to merge the Karosa Å M 11 bus and the Å koda T 11 trolleybus and the cancelled Å koda 13Tr project, a new style of trolleybus was designed in the early 1970s, designated the 14Tr. Development was halted because of plans to replace trolleybuses by diesel engine, diesel buses, but the 1973 oil crisis led to a re-evaluation and work on the 14Tr resumed. The Å koda 14Tr trolleybus, at least in the former Soviet Union, USSR, became the successor to the Å koda 9Tr (the 10Tr and 13Tr models remained in the projects, 11Tr was released only in single copies, and the Å koda 12Tr was called the trolleybus train of the two Å koda 9Tr trolleybuses). Description The 14Tr is a two-axle trolleybus with unibody construction. Its structure consists of mutually welded elements: the frame, side walls, roof and ends. Each component is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hungary
Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and Slovenia to the southwest, and Austria to the west. Hungary lies within the drainage basin of the Danube, Danube River and is dominated by great lowland plains. It has a population of 9.6 million, consisting mostly of ethnic Hungarians, Hungarians (Magyars) and a significant Romani people in Hungary, Romani minority. Hungarian language, Hungarian is the Languages of Hungary, official language, and among Languages of Europe, the few in Europe outside the Indo-European languages, Indo-European family. Budapest is the country's capital and List of cities and towns of Hungary, largest city, and the dominant cultural and economic centre. Prior to the foundation of the Hungarian state, various peoples settled in the territory of present-day Hun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Potentiometer
A potentiometer is a three- terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. The measuring instrument called a potentiometer is essentially a voltage divider used for measuring electric potential (voltage); the component is an implementation of the same principle, hence its name. Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment. It is also used in speed control of fans. Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick. Potentiometers are rarely used to directly control significant power (more than a watt), since the power dissipated in the potentiometer would be comparable to the power in the controlled load. Nomenclature Some terms in the electronics industry used to describe certain types of potentiometers are: * Pot: ab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Azerbaijan
Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by the Caspian Sea to the east, Russia's republic of Dagestan to the north, Georgia (country), Georgia to the northwest, Armenia and Turkey to the west, and Iran to the south. Baku is the capital and largest city. The territory of what is now Azerbaijan was ruled first by Caucasian Albania and later by various Persian empires. Until the 19th century, it remained part of Qajar Iran, but the Russo-Persian wars of Russo-Persian War (1804–1813), 1804–1813 and Russo-Persian War (1826–1828), 1826–1828 forced the Qajar Empire to cede its Caucasian territories to the Russian Empire; the treaties of Treaty of Gulistan, Gulistan in 1813 and Treaty of Turkmenchay, Turkmenchay in 1828 defined the border between Russia and Iran. The region north o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yerevan
Yerevan ( , , ; ; sometimes spelled Erevan) is the capital and largest city of Armenia, as well as one of the world's List of oldest continuously inhabited cities, oldest continuously inhabited cities. Situated along the Hrazdan River, Yerevan is the administrative, cultural, and industrial center of the country, as its primate city. It has been the Historical capitals of Armenia, capital since 1918, the Historical capitals of Armenia, fourteenth in the history of Armenia and the seventh located in or around the Ararat Plain. The city also serves as the seat of the Araratian Pontifical Diocese, which is the largest diocese of the Armenian Apostolic Church and one of the oldest dioceses in the world. The history of Yerevan dates back to the 8th century BC, with the founding of the fortress of Erebuni Fortress, Erebuni in 782 BC by King Argishti I of Urartu, Argishti I of Urartu at the western extreme of the Ararat Plain. Erebuni was "designed as a great administrative and reli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gyumri
Gyumri (, ) is an urban municipal community and the List of cities and towns in Armenia, second-largest city in Armenia, serving as the administrative center of Shirak Province in the northwestern part of the country. By the end of the 19th century, when the city was known as Alexandropol, it became the largest city of Russian-ruled Eastern Armenia with a population above that of Yerevan. The city became renowned as a cultural hub, while also carrying significance as a major center of Russian troops during Russo-Turkish wars of the 19th century. The city underwent a tumultuous period during and after World War I. While Russian forces withdrew from the South Caucasus due to the October Revolution, the city became host to large numbers of Armenian refugees fleeing the Armenian genocide, in particular hosting 22,000 orphaned children in around 170 orphanage buildings. It was renamed Leninakan during the Soviet period and became a major industrial and textile center in Soviet Armenia. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armenia
Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to the east, and Iran and the Azerbaijani exclave of Nakhchivan Autonomous Republic, Nakhchivan to the south. Yerevan is the Capital city, capital, largest city and Economy of Armenia, financial center. The Armenian Highlands has been home to the Hayasa-Azzi, Shupria and Nairi. By at least 600 BC, an archaic form of Proto-Armenian language, Proto-Armenian, an Indo-European languages, Indo-European language, had diffused into the Armenian Highlands.Robert Drews (2017). ''Militarism and the Indo-Europeanizing of Europe''. Routledge. . p. 228: "The vernacular of the Great Kingdom of Biainili was quite certainly Armenian. The Armenian language was obviously the region's vernacular in the fifth century BC, when Persian commanders and Greek writers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hunt Valley, Maryland
Hunt Valley is an unincorporated area, unincorporated community in Baltimore County, Maryland, Baltimore County, Maryland, United States, near the site of the Maryland Hunt Cup Steeplechase (horse racing), Steeplechase. It lies just north of the city of Baltimore, along York Road (Maryland Route 45), parallel to Interstate 83. The nearby Loch Raven Reservoir is an important landmark and drinking water resource. Its surrounding forested watershed is one of three reservoirs (along with Prettyboy Reservoir, Prettyboy and Liberty Reservoirs) established for the City of Baltimore. Hunt Valley is located at a latitude of 39.5° North and longitude of 76.7° West. It is served by the Cockeysville, Maryland, Cockeysville United States Postal Service, post office, and is also a neighbor of Timonium, Maryland, Timonium. A satellite campus of the Community College of Baltimore County, one of the three supplemental campuses of CCBC, uses a leased building located at 11101 McCormick Road, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buy America Act
Section 165 () of the Surface Transportation Assistance Act of 1982 (commonly called the Buy America Act) is a section of the larger STAA that deals with purchases related to rail or road transportation. Unlike the similarly titled Buy American Act (1933), the Buy America Act applies only to purchases related to rail or road transportation, such as the construction of highways, railways, or rapid transit systems. The 1982 provisions also apply to purchases made by third-party agencies, using funds granted by agencies within the United States Department of Transportation. Transportation infrastructure projects built with iron, steel, and manufactured products must purchase materials in the United States. This applies to mass-transit related procurements valued over $150,000 and funded at least in part by federal grants. This includes highways, bridges, airports and tunnels. Canadian manufacturers, as joint signatories to NAFTA (and its successor, the USMCA) as well as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trolleybuses In San Francisco
The San Francisco trolleybus system forms part of the public transportation network serving San Francisco, in the States of the United States, state of California, United States. Opened on October 6, 1935, it presently comprises 15 lines and is operated by the San Francisco Municipal Railway, commonly known as ''Muni'' (or the Muni), with around 300 trolleybuses. In San Francisco, these vehicles are also known as "trolley coaches", a term that was the most common name for trolleybuses in the United States in the middle decades of the 20th century. In , the system had a ridership of , or about per weekday as of . The Muni trolleybus system is complementary to the city-owned List of San Francisco Municipal Railway lines, Muni bus services, Muni Metro and San Francisco cable car system, cable car system and the rail-bound regional Caltrain and Bay Area Rapid Transit systems. In addition, it shares some of its overhead wires with the F Market & Wharves streetcar line. One of on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trolleybuses In Dayton
The Dayton trolleybus system forms part of the public transportation network serving Dayton, in the state of Ohio, United States. Opened on April 23, 1933, it presently comprises five lines, and is operated by the Greater Dayton Regional Transit Authority, with a fleet of 45 trolleybuses. In , the system had a ridership of , or about per weekday as of . One of only five such systems still operating in the U.S. in the 2000s (and one of only four after the summer 2023 closure of the Boston system) and the only one in a city without a subway, light rail, or streetcar system, the Dayton trolleybus system is the current manifestation of an electric transit service that has been operated continuously in Dayton since 1888—longer than in any other city in the United States. By the 1970s, Dayton was already the smallest U.S. city still operating a trolleybus system. For both of these reasons, the city's trolleybuses are locally considered an icon of Dayton. History The first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AAI Corporation
AAI Corporation is an aerospace and defense development and manufacturing firm, located in Hunt Valley, Maryland, US. Formerly a wholly owned subsidiary of United Industrial Corporation, AAI was acquired by Textron in 2007. It currently operates as a unit of Textron Systems and employs more than 2,000. AAI's products and services include unmanned aircraft and ground control technologies; training and simulation systems; automated aerospace test and maintenance equipment; armament systems; and logistical, engineering, supply chain and operational support services, multi-turreted tracked ground combat vehicles. The company's customers include the United States Department of Defense (DoD) and its prime contractors, allied foreign government ministries of defense, and other United States federal agencies. History AAI Corporation originated as Aircraft Armaments, Inc. in August 1950, founded by six aviation and defense industry professionals. It was renamed AAI Corporation in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
