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Valmet Nr I
Nr I is a class of articulated six-axle (B′2′B′ wheel arrangement), chopper (electronics), chopper-driven tram operated by Helsinki City Transport on the Helsinki tram network. All trams of this type were built by the Finland, Finnish metal industry corporation Valmet between the years 1973 and 1975. Between 1993 and 2004 all trams in the class were modernised by HKL and redesignated as Nr I+ class. Currently HKL classifies them as NRV I. Overview Nr I were the first type of articulated tram operated by the HKL. The design of the Nr I type trams was based on the GT6 type trams built by Duewag for various cities in western Europe since 1956, but the Nr I incorporated several technological innovations that had not been available when the GT6 was designed. The Nr I trams were delivered by Valmet between 1973 and 1975, with the first seven trams delivered in 1973, further 18 delivered in 1974 and the final 15 in 1975. As the first mass-produced tram type in the world, the Nr I f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helsinki
Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of Uusimaa in southern Finland, and has a population of . The Helsinki urban area, city's urban area has a population of , making it by far the List of urban areas in Finland by population, most populous urban area in Finland as well as the country's most important center for politics, education, finance, culture, and research; while Tampere in the Pirkanmaa region, located to the north from Helsinki, is the second largest urban area in Finland. Helsinki is located north of Tallinn, Estonia, east of Stockholm, Sweden, and west of Saint Petersburg, Russia. It has History of Helsinki, close historical ties with these three cities. Together with the cities of Espoo, Vantaa, and Kauniainen (and surrounding commuter towns, including the eastern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Finland
Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland across Estonia to the south. Finland covers an area of with a population of 5.6 million. Helsinki is the capital and largest city, forming a larger metropolitan area with the neighbouring cities of Espoo, Kauniainen, and Vantaa. The vast majority of the population are ethnic Finns. Finnish, alongside Swedish, are the official languages. Swedish is the native language of 5.2% of the population. Finland's climate varies from humid continental in the south to the boreal in the north. The land cover is primarily a boreal forest biome, with more than 180,000 recorded lakes. Finland was first inhabited around 9000 BC after the Last Glacial Period. The Stone Age introduced several differ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Artificial Leather
Artificial leather, also called synthetic leather, is a material intended to substitute for leather in upholstery, clothing, footwear, and other uses where a leather-like finish is desired but the actual material is cost prohibitive or unsuitable. Artificial leather is known under many names, including ''leatherette'', ''imitation leather'', ''faux leather'', ''vegan leather'', ''PU leather'', and ''pleather''. Manufacture Many different methods for the manufacture of imitation leathers have been developed. A current method is to use an embossed release paper known as ''casting paper'' as a form for the surface finish, often mimicking the texture of top-grain leather. This embossed release paper holds the final texture in negative. For the manufacture, the release paper is coated with several layers of plastic e.g. pvc or polyurethane, possibly including a surface finish, a colour layer, a foam layer, an adhesive, a fabric layer, a reverse finish. Depending on the spec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seating Capacity
Seating capacity is the number of people who can be seated in a specific space, in terms of both the physical space available, and limitations set by law. Seating capacity can be used in the description of anything ranging from an automobile that seats two to a stadium that seats hundreds of thousands of people. The largest sporting venue in the world, the Indianapolis Motor Speedway, has a permanent seating capacity for more than 235,000 people and infield seating that raises capacity to an approximate 400,000. In transport In venues Safety is a primary concern in determining the seating capacity of a venue: "Seating capacity, seating layouts and densities are largely dictated by legal requirements for the safe evacuation of the occupants in the event of fire". The International Building Code specifies, "In places of assembly, the seats shall be securely fastened to the floor" but provides exceptions if the total number of seats is fewer than 100, if there is a substantial amo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NR1 Innenraum
The ''N''-methyl-D-aspartate receptor (also known as the NMDA receptor or NMDAR), is a glutamate receptor and ion channel found in neurons. The NMDA receptor is one of three types of ionotropic glutamate receptors, the other two being AMPA receptor, AMPA and kainate receptors. Depending on its subunit composition, its Ligand (biochemistry), ligands are glutamate and glycine (or D-Serine, D-serine). However, the binding of the ligands is typically not sufficient to open the channel as it may be blocked by Magnesium, Mg2+ ions which are only removed when the neuron is sufficiently depolarized. Thus, the channel acts as a “coincidence detector” and only once both of these conditions are met, the channel opens and it allows cation, positively charged ions (cations) to flow through the cell membrane. The NMDA receptor is thought to be very important for controlling synaptic plasticity and mediating learning and memory functions. The NMDA receptor is ionotropic, meaning it is a pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated between the Baltic and North seas to the north, and the Alps to the south; it covers an area of , with a population of almost 84 million within its 16 constituent states. Germany borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The nation's capital and most populous city is Berlin and its financial centre is Frankfurt; the largest urban area is the Ruhr. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity. A region named Germania was documented before AD 100. In 962, the Kingdom of Germany formed the bulk of the Holy Roman Empire. During the 16th ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Valmet Nr II
Nr II is a class of articulated six-axle (B′2′B′ wheel arrangement), chopper-driven tram operated by Helsinki City Transport (HKL) on the Helsinki tram network. All trams of this type were built by the Finnish metal industry corporation Valmet between the years 1983 and 1987. Between 1996 and 2005 all trams in the class were modernised by HKL and redesignated as Nr II+ class. From 2006-2011, all trams of this class were rebuilt with a low-floor midsection and redesignated as MLNRV II. History The Nr II class was a further development of the Nr I class built by Valmet for the HKL between 1973 and 1975 (the Nr I was in turn based on the popular Duewag-built GT6 class). The Nr I and Nr II classes are virtually identical in their exterior and interior designs, with exception of the tail lights. The first three Nr II class trams were delivered to Helsinki City Transport (HKL) in 1983, followed by an additional 11 in both 1984 and 1985, further ten in 1986, and the final seven ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ASEA
''Allmänna Svenska Elektriska Aktiebolaget'' (English translation: General Swedish Electrical Limited Company; Swedish abbreviation: ASEA) was a Swedish industrial company. History ASEA was founded in 1883 by Ludvig Fredholm in Västerås as a manufacturer of electrical light and generators. After merging with Wenström's & Granström's Electrical Power Company (''Wenströms & Granströms Elektriska Kraftbolag'') the name was changed to ''Allmänna Svenska Elektriska Aktiebolaget'', literally the "General Swedish Electrical Limited Company", or a ''ASEA'' for short. In 1987, it announced a merger with the Swiss company Brown, Boveri & Cie (BBC) to form ABB Group. ABB Group began operations in 1988. After this merger, ABB Group acquired several companies, including the power transmission and distribution operations of the Westinghouse Electric Corporation and the Combustion Engineering Group. *1889 - the partner Jonas Wenström creates 3-phased generators, motors and transfor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Göteborgs Spårvägar
The Gothenburg tramway network ( sv, Göteborgs spårvägar) is part of the public transport system organised by Göteborgs Spårvägar, controlled by Västtrafik in the Swedish city of Gothenburg. The system's approximately of single track — making it the largest tram network in Northern Europe — is used by around 200 trams , which serve twelve day-time and five night-time lines with a combined line length of 190 km. These figures are expected to increase when the second stage of ''Kringen'' (short for ''Kollektivringen'', the public transport ring) is finished. The trams perform about 2,000 trips and cover 30,000 km per day. In 2018, 131 million journeys were made (with changes counting as a new journey). History The first tram line in Gothenburg was started in 1879 by the English company Gothenburg Tramway Ltd. This was a horse-drawn tramway, which stretched from Brunnsparken to Stigbergsliden. The city of Gothenburg bought the tramway in 1900, and int ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swedish Government
The Government of the Kingdom of Sweden ( sv, Konungariket Sveriges regering) is the national cabinet of Sweden, and the country's executive authority. The Government consists of the Prime Ministerappointed and dismissed by the Speaker of the Riksdagand other cabinet ministers ( sv, Statsråd), appointed and dismissed at the sole discretion of the Prime Minister. The Government is responsible for its actions to the Riksdag. The short-form name ' ("the Government") is used both in the Basic Laws of Sweden and in the vernacular, while the long-form is only used in international treaties. Organization The Government operates as a collegial body with collective responsibility and consists of the Prime Ministerappointed and dismissed by the Speaker of the Riksdag (following an actual vote in the Riksdag before an appointment can be made)and other cabinet ministers ( sv, Statsråd), appointed and dismissed at the sole discretion of the Prime Minister. The Government is responsible ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gothenburg Tram
The Gothenburg tramway network ( sv, Göteborgs spårvägar) is part of the public transport system organised by Göteborgs Spårvägar, controlled by Västtrafik in the Swedish city of Gothenburg. The system's approximately of single track — making it the largest tram network in Northern Europe — is used by around 200 trams , which serve twelve day-time and five night-time lines with a combined line length of 190 km. These figures are expected to increase when the second stage of ''Kringen'' (short for ''Kollektivringen'', the public transport ring) is finished. The trams perform about 2,000 trips and cover 30,000 km per day. In 2018, 131 million journeys were made (with changes counting as a new journey). History The first tram line in Gothenburg was started in 1879 by the English company Gothenburg Tramway Ltd. This was a horse-drawn tramway, which stretched from Brunnsparken to Stigbergsliden. The city of Gothenburg bought the tramway in 1900, and i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
