Kom kuaj qhov tawv ntawm cov qauv coj mus kuaj thiab sim kos nws nrog thawj pob zeb hauv koj cov khoom siv tawv tawv, Talc. Yog hais tias nws yog khawb ces lub pob zeb koj nyob nraum sim yog hardness 1. Yog hais tias tsis ces sim khawb lub Talc nrog koj pob zeb. Yog lub pob zeb khawb lub Talc ces nyuaj tshaj lub Talc.
Koj txiav txim siab li cas ntawm pob zeb?
Hardness yog ntsuas los ntawm kev tiv thaiv uas ib tug du nto muab rau abrasion. Qib ntawm hardness yog txiav txim los ntawm soj ntsuam qhov sib piv yooj yim lossis nyuaj uas ib qho ntxhia raug khawb los ntawm lwm tus. Cov lus qhia Mohs ' txheeb ze hardness nplai. Mohs qhov tseem ceeb hardness tseem ceeb yog xim daj.
5 txoj kev kuaj pob zeb yog dab tsi?
Geologists siv cov kev sim hauv qab no txhawm rau paub qhov txawv ntawm cov zaub mov thiab cov pob zeb uas lawv ua: hardness, xim, streak, luster, cleavage thiab tshuaj tiv thaiv.
Kuv yuav ntsuas kuv qhov tawv nqaij li cas?
Ib qho kev ntsuas hardness feem ntau ua los ntawm nias qhov tshwj xeeb qhov ntev thiab thauj khoom (indenter) rau hauv qhov chaw ntawm cov khoom koj tab tom sim. Lub hardness yog txiav txim los ntawm kev ntsuas qhov tob ntawm indenter nkag los yog los ntawm kev ntsuas qhov loj ntawm lub tswv yim sab laug los ntawm ib tug indenter.
Yuav siv dab tsi los ntsuas cov ntxhia hardness?
Rau ntsuas qhov nyuaj ntawm cov pob zeb hauv av, ntau yam khoom siv uas siv tau rau kev khawb yog pab tau, xws li cov ntiv tes, tooj liabnpib, ib tug hlau hnab tshos, iav phaj lossis lub qhov rais iav, cov hlau ntawm ib rab koob, thiab ib lub phaj streaked (ib qho unglazed dub lossis dawb porcelain nto).
