China Mobile presents TD TV mobile phones to three types of Olympic participants China Mobile donated TD-SCDMA mobile phones to Olympic volunteers and the Chinese sports delegation on the evening of the 28th. It was confirmed that these TD mobile phones are equipped with mobile TV functions, which means that watching TV with 3G in this Olympic Games becomes a reality. According to the request of the Minister of Industry and Information Technology, Li Yizhong, a third-generation mobile communication "Chinese standard" TD-SCDMA battle will be fought during the Olympic Games, that is, to ensure TD-SCDMA voice quality and to ensure TD-SCDMA mobile TV trials during the Olympic Games. On June 25, China Mobile urgently ordered TD mobile phones with mobile phone TV functions from 4 manufacturers, which made these batches of mobile phones highly concerned. On the evening of July 29, these phones debuted for the first time. China Mobile announced that it has presented TD-SCDMA mobile phone service packages with mobile TV functions to volunteers and sports delegations of the 2008 Olympic Games. Each service package includes not only one TD mobile phone and one USIM card, but also pre-stored 180 yuan of phone bill. Prior to the evening of July 26, China Mobile also presented 1,000 TD mobile phones to the General Staff of the People's Liberation Army. It also presented TD mobile phones to many stars and athletes who supported the Olympics. In this way, China Mobile presented TD TV mobile phones to at least three types of Olympic participants. The local branch of China Mobile has carried out similar actions. For example, in Guangdong, before more than 100 volunteers from the Beijing Olympic Games and Paralympic Games were about to leave for Beijing, China Mobile Guangdong sent them a TD mobile phone with a thousand yuan phone bill. The TD mobile phone with mobile phone TV function is the highlight, which means that the TD mobile phone can already realize the function of watching TV, which is beneficial to its next promotion. It is reported that although only four manufacturers are bidding for TD mobile phones with mobile TV functions, Hisense, Amoi and other manufacturers all have the ability to quickly provide such mobile phones. (Kang Zhao) 1
Preparation of raw materials - including visual inspection of raw materials, chemical composition analysis, ingredients and weighing of various ingredients according to the calculation of ingredients. In addition, also includes refining agent, metamorphic agent drying and weighing.
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Smelting - adding materials in a furnace in a certain order to melt them into alloys of uniform chemical composition.
3. Pre-furnace test -- after the alloy is evenly melted, sample and test to check whether various chemical components meet technical standards.
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Adjustment of composition - If the chemical composition of one or more alloys is found to exceed the technical standard after testing, adjustment shall be made to make the chemical composition meet the technical standard.
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Refining - After chemical composition requirements, a refining agent is used to remove dissolved gases and entrained solid particles from the alloy.
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Refining metamorphism - adding appropriate refiner and modifier to aluminum alloy liquid to improve mechanical properties and mechanical cutting properties of the alloy, etc.
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Casting -- casting aluminum alloy with qualified chemical composition, good metamorphism effect, gas content and slag content to meet the requirements into ingot, into bales.
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