Tetrahedrite ua li cas?

Cov txheej txheem:

Tetrahedrite ua li cas?
Tetrahedrite ua li cas?
Anonim

Tetrahedrite tshwm sim nyob rau hauv qis mus rau nruab nrab kub hydrothermal leeg thiab hauv qee qhov kev sib cuag metamorphic deposits. Nws yog ib qho me me ntawm tooj liab thiab cov hlau txuas. Nws yog thawj zaug piav nyob rau hauv 1845 rau qhov tshwm sim nyob rau hauv Freiberg, Saxony, lub teb chaws Yelemees.

Tetrahedrite yog dab tsi?

Siv: hluav taws xob thaiv thiab cov nyiaj siv hluav taws xob tsim hluav taws xob hauv hluav taws xob; hniav nyiaj hniav kub, tsom iav, nyiaj npib, nyob rau hauv photovoltaic hlwb hloov hnub ci mus rau hauv hluav taws xob.

Enargite nyob qhov twg?

Nws tshwm sim hauv cov pob zeb hauv av ntawm Butte, Montana, San Juan Toj siab, Colorado thiab ntawm Bingham Canyon thiab Tintic, Utah. Nws kuj tseem pom muaj nyob hauv cov mines tooj liab ntawm Canada, Mexico, Argentina, Chile, Peru, thiab Philippines.

Acanthite tsim li cas?

Acanthite is a form of silver sulfide with the chemical formula Ag2S. Nws crystallizes nyob rau hauv lub monoclinic system thiab yog daim ntawv ruaj khov ntawm cov nyiaj sulfide hauv qab 173 ° C (343 ° F). Argentite yog daim ntawv ruaj khov tshaj qhov ntsuas kub.

yug yug zoo li cas?

Lub cev muaj zog ntawm Bornite

Reddish xim av los yog xim av xim liab rau ntawm qhov chaw tshiab. Iridescent ntshav, xiav, thiab dub rau ntawm qhov chaw tarnished. Xim, tarnish, qis hardness dua li cov ntxhia zoo sib xws.

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.