Niobium Nitride, grẹy ina jẹ ofeefee diẹ, iwuwo ibatan jẹ 8.47g/cm3, aaye yo jẹ 2300°C; lile Mohs jẹ 8, microhardness jẹ 14.3GPa; awọn oniwe-superconducting iyipada lominu ni otutu ni 15.6K. Insoluble ni hydrochloric acid, nitric acid, sulfuric acid; tiotuka ninu ogidi acid ojutu ti hydrofluoric acid ati imi-ọjọ O jẹ tun tiotuka ni gbona alkali tabi ga-fojusi lye ati ki o njade lara amonia.
Ti a lo bi aropọ carbide ti simenti, o tun le ṣe agbejade niobium mimọ-giga.
Iṣẹ ti a le pese
1) Lodo guide le ti wa ni wole
2) Asiri adehun le ti wa ni wole
3) Ẹri agbapada ọjọ meje
Diẹ pataki: a le pese kii ṣe ọja nikan, ṣugbọn iṣẹ ojutu imọ-ẹrọ!
A jẹ olupese, ile-iṣẹ wa wa ni Shandong, ṣugbọn a tun le pese iṣẹ rira iduro kan fun ọ!
T/T (gbigbe telex), Western Union, MoneyGram, BTC (bitcoin), ati bẹbẹ lọ.
≤25kg: laarin awọn ọjọ iṣẹ mẹta lẹhin ti owo ti gba. 25kg: ọsẹ kan
Wa, a le pese awọn ayẹwo ọfẹ kekere fun idi idiyele didara!
1kg fun apo fpr awọn ayẹwo, 25kg tabi 50kg fun ilu kan, tabi bi o ṣe nilo.
Tọju apoti naa ni wiwọ ni pipade ni gbigbẹ, itura ati aaye ti o ni afẹfẹ daradara.
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Samarium irin | Sm ingots | CAS 7440-19-9 | Ra...
