維氏體鐵 的英文怎麼說
中文拼音 [wéishìtǐtiě]
維氏體鐵
英文
w stite-iron-
That the earth has an iron - rich liquid core, sufficient energy to drive convection and a coriolis force to twist the convecting fluid are primary reasons why the geodynamo has sustained itself for billions of years
地球擁有富含鐵的液態核心、有足夠的能量驅動對流,並具有科氏力可使對流的流體扭轉,這些是地球發電機之所以能自我維持數十億年的主要原因。The microstructure evolution of ferrite and pearlite in ecap was investigated by means of optical m icroscopy ( om ) and transmission electron microscopy ( tem )
並運用光學顯微鏡( om ) 、透射電子顯微鏡( tem )及維氏顯微硬度儀研究了ecap變形后45鋼中先共析鐵素體及珠光體組織的演變特徵。
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