Niobium nitride, He paku te kowhai o te hina, ko te 8.47g / cm3, ko te tohu rewa he 2300 ° C; Ko nga Mohs Hard te 8, ko te Microhardness te 14.3gpa; Ko tana pāmahana whakawhiti whakawhiti i te tau 15.6k. I roto i te waikawa hydrochloric, waikawa nitric, waikawa whanariki; Ko te whakarewa i roto i te rongoa waikawa waikawa o te waikawa hydrofluoric me te waikawa whanariki e tino rewa ana i roto i te alkali wera, he lye-nui ranei, ka whakaputa i te haukini.
I whakamahia hei taapiri carbide i whakauruhia, ka taea hoki e te whakaputa i te nui o te niobium nui.
Ratonga Ka taea e taatau
1) Ka taea te hainatia nga kirimana ōkawa
2) Ka taea te hainatia te whakaaetanga muna
3) E whitu nga ra whakamutunga taurangi
He mea nui ake: Kaore e taea e taatau te whakarato noa i nga hua anake, engari he ratonga otinga hangarau!
He kaihanga matou, kei roto i a Shandong, engari ka taea hoki e taatau te whakarato ratonga reti mo koe!
T / T (Whakawhiti Telex), Western Union, Molcygram, BTC (BTCO), etc.
≤25kg: i roto i nga ra e toru e mahi ana i muri i te utunga o te utu. > 25kg: kotahi wiki
Kei te waatea, ka taea e taatau te whakarato tauira iti mo te kaupapa arotake kounga!
1kg mo ia tauira FPR utu, 25kg, 50kg ranei ia Dom, e hiahiatia ana ranei.
Rokiroki nga ipu ka kati i roto i te waahi maroke, matao me te pai.
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