Malumoti ohirin
Home / Ilm / Nikelin

Nikelin

Nikelin, kolchedani surkhi n i k e l, mineral, arsenidi nikel NiAs.

Dar tarkibash 43,9% Ni, 56,1 % As va aksar vaqt omekhtahoi SO, Fe, Sb va gayra dorad. Dar sistemai geksagonali kristall mebandad, kristallhoyash kamyoft. Odatan massahoi donadori yaklukht va agregathoi gurdamonand hosil menamoyad. Ravgash surkhi past; jiloyash metalli. Sakhtiash 5; zichiash 7600—7800 kg/m3; murt. Dar konhoi pagii gidrotermali yakjoya bo arsenidhoi nikel, kobalt va vismutu nuqrai kholis vomekhurad. Dar zonai oksidshavi ba osoni farsuda shuda, az on minerali annabergit — Ni[AsO4]2 • 8N2O paydo meshavad. Konhoi Nikel dar SSSR (viloyati Kemerovo, kishvari Krasnodar, RASS Tuva), RDG, ShMA, Kanada malumand. Nikel madani muhimi nikel meboshad.

Dar boramon

Инчунин кобед

SARJUMLA

SARJUMLA, qismi asosii predikativii jumlai murakkabi tobe ast, ki mazmunu mohiyati onro dar bar megirad. …