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The Geneva motor show known as the "international motor trend indicator", is only the annual auto show in Europe, the rice fort in Geneva airport international exhibition center, a total area of 70000 square meters. The Geneva motor show was founded in 1905. It has been held annually since 1931 in Geneva, Switzerland. The exhibition is held in March every year to showcase luxury cars and high performance reloading vehicles. The exhibits are more personalized. In five major auto show, Switzerland is a country with no auto industry only, but to undertake one of the world's most famous auto show, it always can attract 30 countries each year more than 900 car exhibition, is one of the important auto show in the world. All the booths were visible from the lobby of the Geneva motor show, because the Swiss exhibition rules were detailed and detailed, not allowing large company signs and booths to block the view. The Geneva international motor show is held in Geneva, Switzerland. annual
Germany invited industry representatives, EU officials invite aviation experts to Berlin to go over launching regulations for air travel. Iceland’s major air-ports were closed after shifting winds blew the ash cloud toward the Reykjavik the first time. The airspace closure lasting for the week because of the ash threat to flight creates the worst breakdown in civil aviation in Europe. Over 100000 flights were canceled. Airlines on target lose more fat than 2 billion dollars.
Is it true that milk powder is becoming more nutritious and that it can replace breast milk completely? Breast milk contains all kinds of nutrients needed for neonatal growth and development, which is suitable for digestion and absorption of neonatal gastrointestinal function, and its quality and quantity can be changed to meet the needs of infant growth and development. Especially colostrum contains rich immunoglobulin, lactoferrin, lysozyme and other immune active substances, can enhance the capacity of resistance of neonatal infection, all of these are any so-called "infinite close to breast milk powder" cannot replace.
The rapid development of air filters is closely related to the development of military industry and electronic industry. In the first world war, the use of various chemical agents, asbestos fibre filter paper as the smoke filter layer of military gas masks came into being. The glass fiber filter medium is used in air filtration to obtain a patent in the United States in October 1940. In the 1950s, the United States studied the production process of glass fiber filter paper, and the air filter was improved and developed. In the 1960s, HEPA filters came out; In the 1970s, the filter paper of fine glass fiber was used as the HEPA filter of filter medium, and the filtration efficiency of particle size of 013 micron particle diameter was 99.9998%. Since the eighty s, with the emergence of new test method, use evaluation to improve and to improve the filtering performance requirements, found the HEPA filter there is a serious problem, and he had a higher ULPA filter performance. Countries are still working on it and expect more advanced air filters soon
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