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On international aviation goods transport conditions and requirements of the magnet

by:Newland     2020-04-26
Rare earths, also known as rare earth metal and rare earth elements, is a chemical element in the periodic table lanthanide & ndash; — Lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium, and is closely related to the 15 of lanthanide elements of the two elements & ndash; — The floorboard of the scandium and yttrium, a total of 17 elements, magnet rare earth is the name of the historical legacy. Rare earth elements was found: starting the end of the 18th century when people often think of insoluble solid oxide called earth, rare earth generally separated as oxide status, and very few and far between, so named for rare earths. International transport magnets on aviation goods conditions and requirements of the shipper shall abide by the iata packing instruction except 902 still need the following requirements, in order to prevent interference on aircraft instruments especially compass instrument, the shipper shall pack the goods according to the following way of magnetic materials, magnetron and illuminance meter instrument and device instead of pole must be placed relatively. Permanent magnet materials must be equipped with retentivity armature to shield, or in case of magnetic compass deviation instrument. Magnetic material of each package must be in accordance with chapter 7 of the rules of iata dangerous goods correct marking, and labeling. Make sure before shipment, from 4 on the surface of the packaging. 6 m ( 15 feet) The measured magnetic field strength is less than 0. 418 / m ( 00525 gauss) 。 Above when magnetic material as a dangerous goods inspection standard, the domestic customer to magnetic materials as non-dangerous goods for air shipment, the shielding requirements: you need to make sure that before shipment from the 2 on the surface of the packaging. 7 meters measured magnetic field strength less than 200 nt ( Is equal to 2 the mGs = 0. 002Gs) 。 In order to ensure the magnet gauss meter measuring precision and ensure as far as possible is not affected by the earth's magnetic field, general advising clients in the distance on the surface of the packaging 0. 5 meters to measure, according to the theoretical calculation & lsquo; Is inversely proportional to the square of the distance from magnetic field strength & rsquo; The closer is the distance measured by magnetic field intensity. For example: 2. 7 meters measuring magnetic field size of 0. 002 Gs, follow & lsquo; Is inversely proportional to the square of the distance from magnetic field strength & rsquo; The theory formula in the distance on the surface of the packaging strictly 0. 5 meters to measure the size of the magnetic field should be 0. 05832 Gs。 Distance by 5. Four times, that is, field size 29. 16 times. The strategic value of rare earth rare earth is an important strategic resource, has been widely applied in electronic information, petrochemical industry, metallurgy, machinery, energy, light industry, environmental protection, agriculture and national defense and other 13 more than 40 in the field of industry. Application of rare earth can produce fluorescent materials, rare earth metal hydride battery materials, electric light source materials, permanent magnetic materials, hydrogen storage materials, catalytic materials, ceramic materials, laser materials, superconducting materials, magnetostrictive materials, magnetic refrigeration materials, magnetic optical storage materials, optical fiber materials. Performance of rare earth rare-earth nodular cast iron, steel, rare earth and magnesium alloy, aluminum alloy used in automobiles, tractors, tanks and aircraft manufacturing. In addition, the rare earth has been widely used in missiles, smart weapons, jet engines, navigation, and other advanced military technology. Magnet experts to find and package your satisfaction, more magnets can view our company website WWW information. yirongciye。 com/。 This article rigorous reproduced, if there are any violation, the consequence is proud! Site does not arrange the position, everything is equal to zero technical support: all network company address: China guangdong dongguan dongguan city based wangniudun town pier five chung industrial zone telephone: 0769 - The 81313183 guangdong ICP for 16113157
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