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Arisu
Arisu is the current name of the tap water in Seoul, South Korea. Name Arisu was named in 2004, the former name for Han River in ancient Goguryeo, with the combination of 'Ari,' which means 'big' in Korean, and 'Su,' meaning, 'water.' It is also the name of the water treatment plant located in Seoul, South Korea. Quality and Supply Water source management Because Arisu is supplied to all areas of the city of Seoul, it is very strictly administrated by the water treatment plant. The Seoul Metropolitan Government engages in 24-hour real-time protection and surveillance of the water source to deliver clean and safe tap water. Regular assessments are made of 41 different indicators at 33 water source points and 135 indicators at the six water intake points. Seven indicators, including algae Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Korea
South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed by the Yellow Sea, while its eastern border is defined by the Sea of Japan. South Korea claims to be the sole legitimate government of the entire peninsula and List of islands of South Korea, adjacent islands. It has a Demographics of South Korea, population of 51.75 million, of which roughly half live in the Seoul Capital Area, the List of metropolitan areas by population, fourth most populous metropolitan area in the world. Other major cities include Incheon, Busan, and Daegu. The Korean Peninsula was inhabited as early as the Lower Paleolithic period. Its Gojoseon, first kingdom was noted in Chinese records in the early 7th century BCE. Following the unification of the Three Kingdoms of Korea into Unified Silla, Silla and Balhae in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Han River (Korea)
The Han River or Hangang () is a major river in South Korea and the fourth longest river on the Korean peninsula after the Yalu River, Amnok (Yalu), Tumen River, Tuman (Tumen), and Nakdong rivers. The river begins as two smaller rivers in the eastern mountains of the Korean peninsula, which then converge near Seoul, the capital of the country. The Hangang River and its surrounding area have played an important role in Korean history. The Three Kingdoms of Korea strove to take control of this land, where the river was used as a trade route to China (via the Yellow Sea). The river is no longer actively used for navigation, because its estuary is located at the Korean Demilitarized Zone, borders of the two Koreas, barred for entrance by any civilian. The river serves as a water source for over 12 million South Koreans. In July 2000, the United States military admitted to having dumped formaldehyde in the sewer system connected to the river, causing protests. The lower stretches ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tap Water
Tap water (also known as faucet water, running water, or municipal water) is water supplied through a tap, a water dispenser valve. In many countries, tap water usually has the quality of drinking water. Tap water is commonly used for drinking, cooking, washing, and toilet flushing. Indoor tap water is distributed through "indoor plumbing", which has existed since antiquity but was available to very few people until the second half of the 19th century when it began to spread in popularity in what are now developed countries. Tap water became common in many regions during the 20th century, and is now lacking mainly among people in poverty, especially in developing countries. Governmental agencies commonly regulate tap water quality. Household water purification methods such as water filters, boiling, or distillation can be used to treat tap water's microbial contamination to improve its potability. The application of technologies (such as water treatment plants) involved in pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seoul
Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 of the 1948 constitution. According to the 2020 census, Seoul has a population of 9.9 million people, and forms the heart of the Seoul Capital Area with the surrounding Incheon metropolis and Gyeonggi province. Considered to be a global city and rated as an Alpha – City by Globalization and World Cities Research Network (GaWC), Seoul was the world's fourth largest metropolitan economy in 2014, following Tokyo, New York City and Los Angeles. Seoul was rated Asia's most livable city with the second highest quality of life globally by Arcadis in 2015, with a GDP per capita (PPP) of around $40,000. With major technology hubs centered in Gangnam and Digital Media City, the Seoul Capital Area is home to the headquarters of 15 ''Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Goguryeo
Goguryeo (37 BC–668 AD) ( ) also called Goryeo (), was a Korean kingdom located in the northern and central parts of the Korean Peninsula and the southern and central parts of Northeast China. At its peak of power, Goguryeo controlled most of the Korean peninsula, large parts of Manchuria and parts of eastern Mongolia and Inner Mongolia. Along with Baekje and Silla, Goguryeo was one of the Three Kingdoms of Korea. It was an active participant in the power struggle for control of the Korean peninsula and was also associated with the foreign affairs of neighboring polities in China and Japan. The ''Samguk sagi'', a 12th-century text from Goryeo, indicates that Goguryeo was founded in 37 BC by Jumong (), a prince from Buyeo, who was enthroned as Dongmyeong. Goguryeo was one of the great powers in East Asia, until its defeat by a Silla–Tang alliance in 668 after prolonged exhaustion and internal strife caused by the death of Yeon Gaesomun (). After its fall, its territory w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water Treatment Plant
Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment. Water treatment removes contaminants and undesirable components, or reduces their concentration so that the water becomes fit for its desired end-use. This treatment is crucial to human health and allows humans to benefit from both drinking and irrigation use. Water is the most crucial compound for life on Earth, and having drinkable water is a key worldwide concern for the twenty-first century. All living things require clean, uncontaminated water as a basic requirement. Water covers more than 71 percent of the earth’s surface, but only around 1% of it is drinkable according to international standards due to various contaminations . Waste water discharge from industries, agricultural pollu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Algae
Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular microalgae, such as ''Chlorella,'' ''Prototheca'' and the diatoms, to multicellular forms, such as the giant kelp, a large brown alga which may grow up to in length. Most are aquatic and autotrophic (they generate food internally) and lack many of the distinct cell and tissue types, such as stomata, xylem and phloem that are found in land plants. The largest and most complex marine algae are called seaweeds, while the most complex freshwater forms are the ''Charophyta'', a division of green algae which includes, for example, ''Spirogyra'' and stoneworts. No definition of algae is generally accepted. One definition is that algae "have chlorophyll ''a'' as their primary photosynthetic pigment and lack a sterile covering of cells around thei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phenol
Phenol (also called carbolic acid) is an aromatic organic compound with the molecular formula . It is a white crystalline solid that is volatile. The molecule consists of a phenyl group () bonded to a hydroxy group (). Mildly acidic, it requires careful handling because it can cause chemical burns. Phenol was first extracted from coal tar, but today is produced on a large scale (about 7 billion kg/year) from petroleum-derived feedstocks. It is an important industrial commodity as a precursor to many materials and useful compounds. It is primarily used to synthesize plastics and related materials. Phenol and its chemical derivatives are essential for production of polycarbonates, epoxies, Bakelite, nylon, detergents, herbicides such as phenoxy herbicides, and numerous pharmaceutical drugs. Properties Phenol is an organic compound appreciably soluble in water, with about 84.2 g dissolving in 1000 mL (0.895 M). Homogeneous mixtures of phenol and water at phenol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seoul Metropolitan Government
The Seoul Metropolitan Government is a local government of Seoul, South Korea. The mayor is elected to a four-year term by the citizens of Seoul and is responsible for the administration of the city government. The Seoul Metropolitan Government deals with administrative affairs as the capital city of South Korea. Hence, it is more centralized than that of most other cities, with the city government being responsible for correctional institutions, public education, libraries, public safety, recreational facilities, sanitation, water supply, and welfare services. In the city government, there are 5 offices, 32 bureaus, and 107 divisions. The headquarters is located in the Seoul City Hall building which is in Taepyeongno, Jung-gu, Seoul. The Government started on September 28, 1946 as the Seoul City Government which became Seoul Metropolitan Government on August 15, 1949. The Seoul Metropolitan Government has one mayor and three vice mayors, with one in charge of political affairs an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yeongdeungpo
Yeongdeungpo District () is an administrative district in southwest Seoul, South Korea. Although the origin of the name is uncertain, the first two syllables are thought to be from "''yeongdeung''" (靈登) or "divine ascent", a shamanic rite. The third syllable is "''po''", representing the bank of a river (浦), referring to the district's position on the Han River. The 2006 population was 408,819. There are 22 administrative "dong" and 34 legal "dong". Yeouido-dong is the largest in area and takes up about 34% of the land. The total area is (2004), making up 4% of Seoul's land. The annual budget is approximately 2 billion won. Yeongdeungpo District has been heavily developed as an office, commercial, and residential district. Yeouido Dong is home to DLI 63 Building, the highest office building in South Korea and currently the 3rd tallest building in the country. The National Assembly Building is located in Yeouido-dong. Other organisations, such as the Financia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United Nations Public Service Awards
The United Nations (UN) Public Service Award is the most prestigious international recognition of excellence in public service. It rewards the creative achievements and contributions of public service institutions that lead to a more effective and responsive public administration in countries worldwide. Through an annual competition, the UN Public Service Awards promotes the role, professionalism and visibility of public service. Establishment of the UNPSA In 2003, the UN General Assembly, in its resolution A/RES/57/277, designated June 23 as the UN Public Service Day to "celebrate the value and virtue of public service to the community". The UN Economic and Social Council established that the United Nations Public Service Awards be bestowed on Public Service Day for contributions made to the cause of enhancing the role, prestige and visibility of public service. The United Nations Millennium Declaration emphasized the role of democratic and participatory governance in assuring the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
