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modern gallium industry in China
释义
modern gallium industry in China
Encyclopedia
工学
中国现代有色金属工业
释
modern gallium industry in China
中国现代镓工业
中国镓资源丰富,2008年共探明镓矿区166个,资源储量为13.66万吨,主要分布在内蒙古、广西、贵州、河南、山西、云南等省区。广西、贵州、河南、山西等省区的镓主要存在于铝土矿中,其他部分省区的镓主要存在于锡矿或闪锌矿中。中国的镓工业始于1957年。
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radio-frequency amplifier
radio-frequency amplifier, RF amplifier
radio-frequency band
radiofrequency catheter ablation by atrial fibrillation
radiofrequency catheter ablation by ventricular premature beat
radiofrequency catheter ablation by ventricular tachycardia
radiofrequency catheter ablation of atrial flutter
radiofrequency catheter ablation of atrioventricular junctional reentrant tachycardia
radiofrequency catheter ablation of atrioventricular reentrant tachycardia
radio frequency cold crucible method
radio frequency communication
radio frequency communication, RFcomm
radio frequency current
radio-frequency current drive
radio-frequency discharge
radio-frequency disk
radio frequency frontend
radio-frequency heating
radio-frequency heating, RF heating
radio frequency identification
radio frequency identification data
radio frequency identification data, RFID data
radio frequency identification devices reader
radio frequency identification devices reader, RFID reader
radio frequency identification devices tag
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