Tsib qhov sib txawv ntawm cov txheej txheem kev siv tshuab los yog kab tshuab ntau lawm Muaj ob txheej txheem hauv iav lub raj mis ntau lawm, phau ntawv tshuab thiab kab thiab kab tshuab. Lawv muaj qhov sib txawv, tuaj yeem xa mus rau cov ntsiab lus hauv qab no: 1, Qhov ncauj pwm kab thiab iav ...

Ntau hom thiab cov khoom ntawm iav fwj iav fwj yog siv hauv cov khoom noj, cawv, dej haus, tshuaj thiab lwm yam lag luam ntawm cov khoom ntim. Nws muaj kev ruaj ntseg tshuaj zoo thiab tsis muaj kuab paug hauv. Vim nws cov huab cua nruj thiab kub siab ...

Kev ceev faj rau kev siv cov khoom siv iav Cov khoom iav hauv lub neej niaj hnub no yog siv ntau thiab ntau dua, iav yog cov khoom pob tshab. Raws li hom tuaj yeem muab faib ua iav tiaj tus thiab lwm yam iav. Peb kuj muaj qee yam iav crafts, feem ntau tuaj yeem ...

Qhov zoo ntawm lub raj mis Wine fwj feem ntau yog ua los ntawm iav, tsis yog yas, vim tias lub raj mis yas tsis zoo txaus los khaws cawv. Yog li, dab tsi yog qhov zoo ntawm lub raj mis iav raws li kev lag luam cia nruab nrab ntawm cawv? 1, zoo pob tshab: alt...

Lub raj mis yees duab tswv yim 1, Vim yog lub pob tshab los yog translucent ntawm cov iav, thiab cov yam ntxwv ntawm lub ntsej muag du pom lub teeb, feem ntau tsis siv cov teeb pom kev ncaj qha, txoj kev teeb pom kev tsis ncaj. Qee qhov ci ntsa iab tuaj yeem ua rau pom ...

Cov kauj ruam ntau lawm ntawm iav lub raj mis pwm iav lub raj mis pwm yog ib qho tseem ceeb heev nyob rau hauv iav raj mis ntau lawm. Hauv qab no kuv tau teev cov kauj ruam yooj yim los ua iav lub raj mis pwm los qhia rau koj. 1. Kev npaj cov duab kos: xa cov qauv iav fwj lossis qhov ntau thiab tsawg ...

Cov lus piav qhia luv luv txog qhov cuam tshuam ntawm lub raj mis tiav 1. Thaum lub iav dawb paug poob rau hauv pwm thawj zaug, nws tsis tuaj yeem nkag mus rau thawj pwm kom raug. Kev sib txhuam ntawm cov iav dawb paug thiab cov pwm phab ntsa yog loj heev, ua rau folds. 2. PIB...

Tshuaj stability ntawm iav fwj iav khoom yog tawm tsam los ntawm dej, acids, bases, ntsev, gases thiab lwm yam tshuaj thaum siv. Qhov tsis kam ntawm cov khoom iav rau cov kev tawm tsam no yog hu ua tshuaj lom neeg ruaj khov. Cov tshuaj stability ntawm iav fwj khoom ...

Cov iav fwj yog cov khoom siv rov ua dua tshiab thiab siv tau dua tshiab Kev siv cov iav fwj cuam tshuam rau txhua qhov chaw ntawm lub neej, khoom noj khoom haus, tshuaj pleev ib ce, tshuaj, thiab lwm yam., yog li muaj ntau yam kev lag luam hauv kev siv cov iav fwj yog pov tseg, nws yog pov tseg thiab muab pov tseg tom qab siv, Uas ua rau muaj kev lag luam. ...

Vim li cas cov iav fwj yog cov ntim cawv zoo tshaj plaws? Ua ntej ntawm tag nrho cov, iav fwj ntawm cov khoom siv raw yog quartz xuab zeb, uas yog niaj hnub kev tshawb fawb thiab thev naus laus zis tuaj yeem txheeb xyuas thiab qhia meej. Quartz xuab zeb, tseem hu ua silica, yog ib qho ntawm ntau tshaj ra ...