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zirconium | A Wisdom Archive on zirconium | | zirconium A selection of articles related to zirconium | |
| We recommend this article: zirconium - 1, and also this: zirconium - 2. |
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zirconium, Zirconium, Zirconium - Applications, Zirconium - History, Zirconium - Isotopes, Zirconium - Notable characteristics, Zirconium - Occurrence, Zirconium - Precautions
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| ARTICLES RELATED TO zirconium | | | | | |  zirconium: Encyclopedia II - Inner Mongolia - HistoryThroughout most of history, various parts of what is now Inner Mongolia alternated in control between Chinese agriculturalists in the south and Xiongnu, Xianbei, Khitan, Nurchen, and Mongol nomads of the north.
Under the Manchu Qing dynasty (1644-1912), Mongolia was administered in a different way for each region:
"Outer Mongolia": The four leagues (aimag) of the Khalkha Mongols in northern and central Mongolia, as well as the Tannu Uriankhai and Hovd regions in northwestern Mongolia, were overseen by the General o ...
See also:Inner Mongolia, Inner Mongolia - Name, Inner Mongolia - History, Inner Mongolia - Geography, Inner Mongolia - Administrative divisions, Inner Mongolia - Economy, Inner Mongolia - Demographics, Inner Mongolia - Culture, Inner Mongolia - Tourism, Inner Mongolia - Miscellaneous topics, Inner Mongolia - Colleges and universities Read more here: » Inner Mongolia: Encyclopedia II - Inner Mongolia - History |
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| | | | | zirconium: Encyclopedia II - Nuclear meltdown - Sequence of events What happens when a reactor core melts is the subject of conjecture and some actual experience (see below).
Before the core of a nuclear reactor can melt, a number of events/failures must already have happened. Once the core melts, it will almost certainly destroy the fuel bundles and internal structures of the reactor vessel (although it may not penetrate the reactor vessel). [Note that the core at Three Mile Island did melt nearly completely but stayed within the reactor vessel.] If the melt drops into a pool of water (for example, ...
See also:Nuclear meltdown, Nuclear meltdown - Causes, Nuclear meltdown - Sequence of events, Nuclear meltdown - Effects, Nuclear meltdown - Reactor design, Nuclear meltdown - Popular awareness, Nuclear meltdown - Meltdowns, Nuclear meltdown - Reference, Nuclear meltdown - External link Read more here: » Nuclear meltdown: Encyclopedia II - Nuclear meltdown - Sequence of events |
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| | | | | | | zirconium: Encyclopedia II - Nuclear fuel - Common chemical forms of nuclear fuel
Nuclear fuel - UOX.
Nuclear fuel - MOX.
Mixed oxide, or MOX fuel, is a blend of plutonium and natural or depleted uranium which behaves similarly (though not identically) to the enriched uranium feed for which most nuclear reactors were designed. MOX fuel is an alternative to Low enriched uranium (LEU) fuel used in the light water reactors which predominate nuclear power generation.
An attraction of MOX fuel is that it is a way of disposing of surplus weapons-grad ...
See also:Nuclear fuel, Nuclear fuel - Production of common nuclear fuels, Nuclear fuel - Common chemical forms of nuclear fuel, Nuclear fuel - UOX, Nuclear fuel - MOX, Nuclear fuel - Spent fuel, Nuclear fuel - Common physical forms of nuclear fuel, Nuclear fuel - PWR fuel, Nuclear fuel - BWR fuel, Nuclear fuel - CANDU fuel, Nuclear fuel - Less common nuclear fuel forms, Nuclear fuel - RBMK fuel, Nuclear fuel - TRISO fuel compact, Nuclear fuel - CerMet fuel, Nuclear fuel - Plate type fuel, Nuclear fuel - TRIGA fuel, Nuclear fuel - Rarely used nuclear fuel, Nuclear fuel - Radioisotope Heating Units, Nuclear fuel - Liquid fuels, Nuclear fuel - Uranium Nitride, Nuclear fuel - Uranium Carbide, Nuclear fuel - Theoretically possible nuclear fuels, Nuclear fuel - Fusion fuels Read more here: » Nuclear fuel: Encyclopedia II - Nuclear fuel - Common chemical forms of nuclear fuel |
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| | | | | | zirconium: Encyclopedia II - Diamond simulant - Artificial simulants Diamond has been imitated by artificial materials for hundreds of years: advances in technology have seen the development of increasingly better simulants with properties ever nearer those of diamond. Although most of these simulants were characteristic of a certain time period, their large production volumes ensured that all continue to be encountered with varying frequency in jewelry of the present. Nearly all were first conceived for intended use in high technology, such as lasing mediums, varistors, and bubble memory. Due to their limited present supply, collectors may pay a premium for the older types.
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See also:Diamond simulant, Diamond simulant - Desired and differential properties, Diamond simulant - Durability and density, Diamond simulant - Optics and color, Diamond simulant - Thermal and electrical, Diamond simulant - Artificial simulants, Diamond simulant - Summary table, Diamond simulant - 1700 onwards, Diamond simulant - 1900–1947, Diamond simulant - 1947–1970, Diamond simulant - 1970–1976, Diamond simulant - 1976 to present, Diamond simulant - Natural simulants, Diamond simulant - Composites Read more here: » Diamond simulant: Encyclopedia II - Diamond simulant - Artificial simulants |
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| | | | | | zirconium: Encyclopedia II - Vladivostok - Geography Vladivostok is in the Russian Far East, on the coast of the Sea of Japan and near both the Chinese border and the Korean.
It is located in the Southern extremity of Muravyov-Amursky peninsula, which is about 30 km long and approximately 12 km wide.
Total city area: 600 km².
Geographical coordinates: 43°08′N 131°54′E
Time zone: +10 GMT, +7 Moscow.
The highest point is Mount Kholodilnik, the height of which is 257 m. Eagle's Nest Mount is often called the highest point of the city; how ...
See also:Vladivostok, Vladivostok - History, Vladivostok - Geography, Vladivostok - Climate, Vladivostok - Demographics, Vladivostok - Economy, Vladivostok - Transportation, Vladivostok - Education, Vladivostok - Media, Vladivostok - Pollution, Vladivostok - Miscellaneous Read more here: » Vladivostok: Encyclopedia II - Vladivostok - Geography |
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| | | | | zirconium: Encyclopedia II - Shotgun - Design factors
Shotgun - Action.
Action is the term for the operating mechanism of a gun. There are many types of shotguns, typically categorized by the number of barrels or the way the gun is reloaded. For most of the history of the shotgun, the breech loading double barreled shotgun, with two barrels, was the most common type. In this case there are several "subtypes", the over and under shotgun puts the two barrels one on top of the other, while the side-by-side shotgun puts them beside each other. Another class of break ope ...
See also:Shotgun, Shotgun - Definition, Shotgun - History, Shotgun - The 19th century, Shotgun - John Browning, Shotgun - The World Wars, Shotgun - Late 20th Century to Present, Shotgun - Design factors, Shotgun - Action, Shotgun - Gauge, Shotgun - Shot, Shotgun - Pattern and choke, Shotgun - Barrel length, Shotgun - Common uses, Shotgun - Ammunition, Shotgun - Specialty ammunition, Shotgun - Legal Issues Read more here: » Shotgun: Encyclopedia II - Shotgun - Design factors |
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| | | | | | zirconium: Encyclopedia II - Gemstone - Characteristics and classification Gemstones are described by gemologists using technical specifications. First, what is it made of, its chemical composition. Diamonds for example are made of carbon (C), rubies of aluminium oxide (Al2O3). Next, many gems are crystals which are classified by crystal system such as cubic or trigonal or monoclinic. Another term used is habit, the form the gem is usually found in, for example diamonds wh ...
See also:Gemstone, Gemstone - Characteristics and classification, Gemstone - Value, Gemstone - Factors Influencing Esteem, Gemstone - Synthetic and artificial gemstones, Gemstone - Gemstone list Read more here: » Gemstone: Encyclopedia II - Gemstone - Characteristics and classification |
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| | | | | zirconium: Encyclopedia II - Calcium - Notable characteristics Calcium is a rather soft, metallic element that is purified by electrolysis from calcium fluoride. It burns with a yellow-red flame and forms a white nitride coating when exposed to air. It reacts with water displacing hydrogen and forming calcium hydroxide.
Calcium is essential in muscle contraction, building strong bones and teeth, blood clotting, nerve impulse transmission, regulating heartbeat, and fluid balance within cells.
50%-75% of calcium comes from the dairy intake in daily diets.
Most Americans do not consume the ...
See also:Calcium, Calcium - Notable characteristics, Calcium - Applications, Calcium - History, Calcium - Compounds, Calcium - Isotopes Read more here: » Calcium: Encyclopedia II - Calcium - Notable characteristics |
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| | | | | | zirconium: Encyclopedia II - Nuclear fuel - Production of common nuclear fuels 1 Uranium ore - the principal raw material of nuclear fuel
2 Yellowcake - the form in which uranium is transported to an enrichment plant
3 UF6 - used in enrichment
4 Nuclear fuel - a compact, inert, insoluble solid
Traditional nuclear fuel used in the US and other countries that do not reprocess used nuclear fuel follow the four steps shown in the above figure. It is based on a uranium fuel cycle. First, the uranium is mined from the ground. Second, the fuel is processed ...
See also:Nuclear fuel, Nuclear fuel - Production of common nuclear fuels, Nuclear fuel - Common chemical forms of nuclear fuel, Nuclear fuel - UOX, Nuclear fuel - MOX, Nuclear fuel - Spent fuel, Nuclear fuel - Common physical forms of nuclear fuel, Nuclear fuel - PWR fuel, Nuclear fuel - BWR fuel, Nuclear fuel - CANDU fuel, Nuclear fuel - Less common nuclear fuel forms, Nuclear fuel - RBMK fuel, Nuclear fuel - TRISO fuel compact, Nuclear fuel - CerMet fuel, Nuclear fuel - Plate type fuel, Nuclear fuel - TRIGA fuel, Nuclear fuel - Rarely used nuclear fuel, Nuclear fuel - Radioisotope Heating Units, Nuclear fuel - Liquid fuels, Nuclear fuel - Uranium Nitride, Nuclear fuel - Uranium Carbide, Nuclear fuel - Theoretically possible nuclear fuels, Nuclear fuel - Fusion fuels Read more here: » Nuclear fuel: Encyclopedia II - Nuclear fuel - Production of common nuclear fuels |
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| | | | | zirconium: Encyclopedia II - Vladivostok - Education The science of Vladivostok is represented by the Presidium and approximately 10 Institutes of the Far Eastern Division of the Russian Academy of Sciences. The Institution which stands separately from the Russian Academy of Sciences is TINRO-center (the Pacific Research Institute of Fisheries and Oceanography).
There are nine higher education institutions in Vladivostok, of which five are universities.
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See also:Vladivostok, Vladivostok - History, Vladivostok - Geography, Vladivostok - Climate, Vladivostok - Demographics, Vladivostok - Economy, Vladivostok - Transportation, Vladivostok - Education, Vladivostok - Media, Vladivostok - Pollution, Vladivostok - Miscellaneous Read more here: » Vladivostok: Encyclopedia II - Vladivostok - Education |
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| | | | | zirconium: Encyclopedia II - Nuclear meltdown - Reactor design Although pressurized water reactors are more susceptible to nuclear meltdown in the absence of active safety measures, this is not a universal feature of civilian nuclear reactors. Much of the research in civilian nuclear reactors is for designs with passive safety features that would be much less susceptible to meltdown, even if all emergency systems failed. For example, pebble bed reactors are designed so that complete loss of coolant for an indefinite period does not result in the reactor overheating. The General Electric ESBWR and Westingho ...
See also:Nuclear meltdown, Nuclear meltdown - Causes, Nuclear meltdown - Sequence of events, Nuclear meltdown - Effects, Nuclear meltdown - Reactor design, Nuclear meltdown - Popular awareness, Nuclear meltdown - Meltdowns, Nuclear meltdown - Reference, Nuclear meltdown - External link Read more here: » Nuclear meltdown: Encyclopedia II - Nuclear meltdown - Reactor design |
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| | | | | zirconium: Encyclopedia II - Vladivostok - Transportation The Trans-Siberian railway was built to connect Vladivostok, Russia's first Pacific Ocean port, with European Russia. Finished in 1905, the rail line ran from Vladivostok to Moscow. Part of the railroad, known as the Chinese Eastern Line, crossed over into China and passed through Harbin, China. Later, a northern line was built, which was contained within the Russian borders.
Air routes connect Vladivostok with Seattle and Anchorage (USA), Pyongyang (North Korea), Niigata and Toyama (Japan), and Incheon and Busan (South Korea). It is ...
See also:Vladivostok, Vladivostok - History, Vladivostok - Geography, Vladivostok - Climate, Vladivostok - Demographics, Vladivostok - Economy, Vladivostok - Transportation, Vladivostok - Education, Vladivostok - Media, Vladivostok - Pollution, Vladivostok - Miscellaneous Read more here: » Vladivostok: Encyclopedia II - Vladivostok - Transportation |
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| | | | | zirconium: Encyclopedia II - Vladivostok - Demographics The city's current population is approximately 591,800 (census 2002).
From 1958 to 1991, only Soviet citizens were allowed to live in, or even visit, Vladivostok (and even Soviet citizens had to obtain official permission in order to enter the city). Before this closure, the city had large Korean and Chinese populations.
Vladivostok has one of the largest Armenian communities in eastern Russia. There are a number of Ar ...
See also:Vladivostok, Vladivostok - History, Vladivostok - Geography, Vladivostok - Climate, Vladivostok - Demographics, Vladivostok - Economy, Vladivostok - Transportation, Vladivostok - Education, Vladivostok - Media, Vladivostok - Pollution, Vladivostok - Miscellaneous Read more here: » Vladivostok: Encyclopedia II - Vladivostok - Demographics |
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| | | | | zirconium: Encyclopedia II - Vladivostok - Economy The city's main industries are shipping, commercial fishing, and the naval base. Fishing accounts for almost four-fifths of Vladivostok's commercial production. Other food production totals 11%.
In 1995, Vladivostok's annual foreign trade totalled 725 million USD, including 206 million USD of exported goods, and 519 million USD of imported goods. The main export items were fish, timber products, ferrous and non-ferrous metals, and ships. The main import items were food products, medicine, clothes, footwear, automobiles ...
See also:Vladivostok, Vladivostok - History, Vladivostok - Geography, Vladivostok - Climate, Vladivostok - Demographics, Vladivostok - Economy, Vladivostok - Transportation, Vladivostok - Education, Vladivostok - Media, Vladivostok - Pollution, Vladivostok - Miscellaneous Read more here: » Vladivostok: Encyclopedia II - Vladivostok - Economy |
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