I ukuma esiliva

Kusukela ezikhathini zasendulo, abantu ababaziwa shiny metal white. Silver (Ag) iye kabanzi njengendlela material for imihlobiso. Amandla ayo nethonya magciwane isicelo amakhosi umnyuziki ukwenziwa izinto zasendlini.

esiliva Pure - soft kakhulu futhi ductile impahla. Ukuma isakhiwo crystal we nehele esiliva ine uhlobo cube ne imiphetho isikhungo. Of igremu we metal kungenziwa eyeluliweyo ikhilomitha ezimbili wire elincanyana. I-high density (10.5 g / cm3) ivumela zesiliva ngesisindo ancintisane phambili. Kodwa ezimfanelweni ezinjengothando conductivity kagesi futhi ezishisayo, ngoba isiliva akanayo izimbangi. Isiliva spoon in ingilazi yamanzi abilayo ukufuthelana ngesivinini Amazing, futhi ukusetshenziswa imininingwane esiliva (izintambo, oxhumana nabo, ezikhumulweni) ekwakhiweni zomsakazo ahlukahlukene ibonisa izinga zabo eliphezulu futhi izici lobuchwepheshe okungavamile.

Iphuzu ukuncibilika isiliva 962 ° C kusiza handling yayo. Alloys yesiliva ngezinto ezihlukahlukene ziye kabanzi emikhakheni ehlukahlukene. A kwalokho encane ithusi ngezithako zawo kwenza metal nzima futhi kwamukeleke kangconywana womshini imikhiqizo ehlukahlukene.

Lokuncibilika esiliva akuyona kuphela ebalulekile kakhulu ukusetshenziswa kwayo, kodwa futhi ekukhiqizeni. Ngaphezu kwalokho, i-kanye metal kusukela vyplavlivaniem ore zikhona izindlela eziningi amakhemikhali isizinda ezifana cyanidation futhi ingxube.

Cishe oxidized emoyeni, esiliva uyakwazi Ukuqedwa lemiqulu emikhulu igesi. Ngisho esimweni okuqinile it is ukufuthelana 450 ° C, it has ikhono lokwamukela, umoyampilo okweqa kahlanu lingakanani. Ukuze esiliva esimweni liquid, lesi sibalo kwandisa emiqulwini 20. Ukwazi izinga lokushisa lapho esiliva kulula nokuzala endaweni yokugeza ukubeka enhle, kodwa okuhlangenwe nakho kuyingozi. Cooling umzimba ngokuzumayo iqala ukuba baziphathe ngendlela engavamile. I-oksijini ekuphunyukeni ephula solidifying uqweqwe phezu esiliva ngaleli butho elikhulu, esikhiqiza umphumela nokuguqulwa ofafaza.

Ekuqaleni, lokhu metal sinenai njengoba material for ubucwebe. ukubukeka ekhangayo, kalula ukucutshungulwa, plasticity kokuvamile ongaphakeme ukuma esiliva kanye ngezici zawo zokwelapha ziye wadala imikhiqizo ephuma kulo lesithombe esibunjwe for imihlobiso impilo. Jewelers Modern, ngaphandle inhlanganisela esiliva ngamatshe ayigugu, baye bafunda ukwenza ku ubuso bayo igolide okulinganiswa. Ubuchwepheshe yenqubo uyakucabangela lokushisa lapho elicibilikile Gold (1064 ° C) futhi lapho esiliva (962 ° C). Ukusebenzisa inhlanganisela lengatfolakali, inkosi ngamagugu sika wakwazi ukufeza imikhiqizo high quality ngesikhathi aphansi alahlekelwe.

Ukusetshenziswa kwalesi zensimbi art kwamanye, izakhiwo ngokulinganayo ezikhangayo ngaphandle ductility kanye elincane ukuma esiliva. Njengoba sekuzoqala electronics ubunjiniyela esiliva ngenkuthalo lisetshenziswe imininingwane ehlukahlukene emsakazweni. Ngokuvamile, izinga kanye nokwethembeka amadivayisi abanjalo bangabaphostoli izidingo ezikhethekile. Muva nje, kwakukhona ukufuduka abalulekile esiliva ngokusebenzisa izinto ezintsha.

Ddlya esiliva wathola umsebenzi ifilimu nezithombe. Okokuqala ike - okuxhunyanwa tube ithelevishini - futhi ngaphandle kokusebenzisa esiliva.

Ukusetshenziswa kabanzi e zesimanje ezenza esiliva akuyona njengenhlangano umqhubi omuhle kakhulu zamanje kagesi, futhi uyinto nge magciwane isinyathelo esiyingqayizivele. izihlungi abahlukahlukene, izingxenye ngoba imishini kwezokwelapha, imishini yokuwasha kanye amafriji zenziwa usebenzisa compounds esiliva. Nale isixazululo zobuchwepheshe ion izinto ukusebenza ekufezeni umsebenzi wayo isinqandakuvunda.

Isiliva ngenxa izakhiwo zayo eziyingqayizivele, sisetshenziswa kabanzi emikhakheni eyehlukene umsebenzi womuntu. Kusukela indaba yakhe imihlobiso, yakhiwa amadivayisi eziyinkimbinkimbi lobuchwepheshe wayekade isikhala. Yaba inhlangano intuthuko yesayensi nezobuchwepheshe, ekutholeni isicelo ezihlukahlukene imikhiqizo umsakazo. Kwenza ababukeli ukuhleka futhi ukhale, futhi kuqala cinema ababukeli. Futhi ekugcineni, iye yasetshenziswa e zasendlini njengoba ithuluzi elinamandla yokuhlanza kanye magciwane.