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27 gru 2017 - 09:46:30
Broadly Cheap Jerseys , cryogenics is the study of the principles involved in inducing matter to reach ultra low temperatures and how various materials behave in such conditions. There is wide literature involving the investigation of the science behind the phenomenon, production technologies and practical applications. Cryogenic gases in particular are of interest in many sectors of society.

The procedure to attain this is by removing the thermal energy from a certain substance, which usually are gas elements at room temperature. The thermal energy is constantly removed until the heat left in the medium is very minimal. Due to the very low temperature, the gas changes its phase into liquid. For the gas to be considered as cryogenic, the temperature must reach below negative 238 Fahrenheit or negative 150 degrees Celsius.

During the Second World War, the technology of cryogenics leaped forward after the discovery by scientists that metals that underwent ultra low temperature treatment increased their wear resistance. The process, called cryogenic processing, is still being used nowadays. In the beginning, the technology was used to increase- by 200 to 400 percent- the useful life of tools, in relation to equipment that were not treated thermally.

There are quite a few media used for this technology. Some of which include nitrogen Wholesale Authentic Soccer Jerseys , oxygen, helium, neon, argon, krypton, methane, natural gas and hydrogen. The choice on whether what element or medium to use depends on the specific application for such medium.

A good example is the use of either nitrogen or helium for purposes of chilling or freezing. Nitrogen would be the best option for general purposes due to the abundance and ease of extraction of the element, while helium may be used for attaining much lower temperatures. On the other hand, hydrogen is used commonly as solid fuel for rockets. Although oxygen is combustible, it is not used as a fuel Wholesale Soccer Jerseys , but rather as an oxidizer. Hydrogen and oxygen are often used simultaneously.

Being able to attain temperatures that are ultra low is quite daunting. Commonly, the medium is compressed up to a predetermined pressure, is cooled via a refrigeration system, and is made to expand. The expansion of the gas then greatly reduces its temperature. Magnetic refrigeration is also utilized in creating cryogenic conditions. Such methodology involves magnetic fields made to pass along a metal media, which makes it hot due to its energy being induced. The energy is rejected through refrigerating systems, leaving a very cold media ready to use.

The technology is utilized in various modern applications. The wide range of applications for cryogenics can be found among the entertainment, food and beverage, electricity transmission, medicine and optics fields. The use of this amazing revolution significantly benefited the medical sector, specifically in preservation of biological matter like blood and semen Wholesale Jerseys From China , surgery and magnetic resonance imaging. Research is continually being conducted to also explore the possibility of using this in electricity transmission, since materials that are cooled to cryogenic temperatures become superconductors, which are far superior than the traditional conductors used at present. The shelf life of many kinds of food are greatly increased by the use of this technology.

The popularity of using cryogenic gases can be expected, since modern human civilization is becoming more and more dependent on them. Due to the many promises and benefits seen in the use of this technology, continuous research is being undertaken in many institutions to increase understanding about the phenomenon. Achieving immortality through human body preservation is even being considered, with the use of this technology, by the realm of science fiction. This milestone in the history of mankind may be achieved sooner than later, if the progression of scientific accomplishment continues at this rate.

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