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Keywords"n"，total 3019 records
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2013 survival training of um team
2013 Survival Training of UM team
Date：2013/11/08
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pingpang game between um workers
pingpang game between workers in 2012 of UMpingpang game between workers in 2012
Date：2012/07/08
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tubular induction brazing wires
Made from seamless tubular wire This ensures consistent flux to wire ratio and is especially important in the fabrication of pre-forms.Competitors products are made from folded sheets and flux may be lost during fabrication or during transport.Our flux cor…
Date：2013/05/16
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one-day sightseeing tour around guangzhou of technical support dept. in 2011
One-day sightseeing tour around Guangzhou of technical support dept. in 2011
Date：2011/04/08
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induction plating of steel in vacuum
We investigated chromium plating of steel heated in vacuum by high frequency induction. The chromiumplating mixture was low carbon ferroehromium. We used steel No. 10 and steel U8 in our experiments.The current source was the GL-15M 8.5 kW tube generator, …
Date：2013/05/16
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china, russia ink long-awaited gas deal
SHANGHAI, May 21 (Xinhua) -- China and Russia on Wednesday signed a long-awaited gas deal in Shanghai, ending a decade of natural gas supply talks between the two neighbors.The 30-year deal came one day after visiting Russian President Vladimir Putin said …
Date：2014/05/21
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cadmium in silver soldering or brazing
Silver (hard) soldering or brazing is a very versatile means of making joints by using a fusible alloy as a filler material between similar or dissimilar parent materials.Temperatures above 620C are applied, usually by handheld flame torch or another heati…
Date：2013/05/16
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type meaning of um induction heaters
Type meaning of UM induction heaters:UM: United MachineUHF: Ultra-High FrequencyHF: High FrequencyMF: Medium FrequencyRF: Radio FrequencyDSP: Digital ControlledAB: Separated type (Main Machine and Head Machine [Transformer or Capacitor] are connected with …
Date：2014/01/09
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hardening and tempering of tool and die steels
Tool and die steels are covered in BS 4659:1989,although both American nomenclature and a variety of trade names are also in use. Available in high-quality grades, these specifically-designed steels can be grouped broadly according to their intended applic…
Date：2013/05/16
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difference between uhf,hf,rf and mf induction heaters
TypeUHF(Ultra-high Frequency)HF(High Frequency)RF(Radio Frequency)MF(Medium Frequency)Frequency>=100 KHz30KHz~100KHz20KHz~80KHz5KHz~20KHzBasedIGBT or MOSFET or SiCIGBTIGBTIGBT or SCRCooled TypeWaterWater or AirWater or AirWater or AirApplication Descrip…
Date：2013/12/15
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