Ucwaningo lwesayensi ngezinto ze-barium carbonate

Isingeniso​

 

Izakhiwo zomzimba namakhemikhali

 

Izakhiwo zomzimba namakhemikhali e-barium carbonate zibeka isisekelo sokusebenza kwayo kusayensi yezinto. Kuyinhlanganisela engancibiliki emanzini enesisindo esingaba ngu-4.43 amagremu ngesentimitha ³ ， Indawo yokuncibilika iphezulu njengo-1740 ℃. Ngaphansi kwezimo zokushisa eziphakeme, i-barium carbonate ingabola ibe yi-barium oxide ne-carbon dioxide. Lezi zakhiwo zinikeza izinzuzo ze-barium carbonate ezinhlelweni ezidinga izinqubo zokushisa eziphezulu kanye nokuzinza kwamakhemikhali.

 

Inqubo yokulungiselela

 

Kunezindlela ezahlukahlukene zokulungisa i-barium carbonate, okuhlanganisa indlela ye-carbonization, indlela yokubola kabili, kanye nendlela ye-petrochemical enobuthi. Phakathi kwazo, indlela enobuthi ye-petrochemical isetshenziswa kakhulu ekukhiqizeni izimboni ngenxa yokusebenza kahle kwayo kwezinsiza kanye nezindleko eziphansi. Ukuthuthukiswa kanye nokwenza kahle kwalezi zindlela zokulungiselela kunikeze amathuba okukhiqizwa okukhulu nokusetshenziswa kwe-barium carbonate.

 

Izicelo Zesayensi Yezinto

 

I-Barium carbonate inohlelo olubanzi lwezinhlelo zokusebenza kwisayensi yezinto zokwakha, ikakhulukazi emikhakheni yezingxenye ze-elekthronikhi, i-ceramics, ubunjiniyela bamakhemikhali, ukuvikelwa kwemvelo, kanye ne-metallurgy. Ezingxenyeni ze-elekthronikhi, i-barium carbonate yaziwa nge-X-ray yayo enhle kakhulu futhi α Ikhono lokuvikela imisebe lisetshenziswa ekukhiqizeni amagobolondo engilazi amashubhu e-TV anombala. Embonini ye-ceramic nengilazi, i-barium carbonate njenge-flux kanye nempahla eluhlaza ingathuthukisa ikhwalithi nokusebenza kwemikhiqizo. Ngaphezu kwalokho, i-barium carbonate iphinde isetshenziswe ekukhiqizeni eminye imikhiqizo kasawoti we-barium, kanye nama-reagents okuhlaziya, ama-catalysts, nezinto zamagnetic.

 

Isiqondiso sentuthuko yesikhathi esizayo

 

Ngokuthuthuka kobuchwepheshe kanye nesidingo esikhulayo sezinto ezintsha, i-barium carbonate inamathuba abanzi okusebenza kwesayensi yezinto. I-Electronic grade barium carbonate kulindeleke ukuthi ibe ngamandla okuqhuba ukukhula kwemakethe esikhathini esizayo ngenxa yokuhlanzeka kwayo okuphezulu kanye nenani elingeziwe. Khonamanjalo, nemithethonqubo eqinile yezemvelo, ukuthuthukisa imikhiqizo ye-barium carbonate ehambisana nemvelo kanye nezinqubo zokukhiqiza nakho kuzoba isiqondiso esibalulekile sokuthuthukiswa kwemboni.

 

Kafushane, ukubaluleka kwe-barium carbonate kusayensi yezinto ezibonakalayo kuyabonakala. Izakhiwo zayo eziyingqayizivele, izindlela ezihlukahlukene zokulungiselela, nezinkambu ezibanzi zokufaka isicelo kwenza i-barium carbonate ibe enye yezinto ezibalulekile eziqhuba ukuthuthukiswa kwesayensi yezinto. Ngokujula kocwaningo lwesikhathi esizayo kanye nenqubekelaphambili yezobuchwepheshe, ukusetshenziswa kwe-barium carbonate kuzokwandiswa ngokwengeziwe, kube neqhaza elikhulu ekuthuthukiseni izimboni ezihlukahlukene.

 

Izici eziyisisekelo ze-barium carbonate

 

Isakhiwo samakhemikhali kanye nezakhiwo zomzimba

 

I-Chemical formula: I-chemical formula ye-barium carbonate yi-BaCO3, eyakhiwe nge-barium (Ba) kanye ne-carbonate ion (CO3).

 

Ukubukeka: Ngokuvamile kubonakala ngendlela yamakristalu amhlophe e-rhombic noma impushana.

 

Ukuminyana: Ukuminyana kwe-barium carbonate cishe ku-4.43 g/cm.

 

Iphuzu lokuncibilika: Iphuzu layo lokuncibilika liphakeme kakhulu, licishe libe ngu-881 ℃.

 

Ukunyibilika: I-Barium carbonate ayincibiliki emanzini, kodwa incibilika ku-asidi futhi ingasabela nge-hydrochloric acid, i-nitric acid, njll. ukuze ikhulule isikhutha.

 

Ubuthi: I-Barium carbonate inobuthi futhi idinga ukusebenza okuphephile nokusetshenziswa.

 

Isikhundla esiyingqayizivele kusayensi yezinto

 

I-Barium carbonate inohlu olubanzi lwezinhlelo zokusebenza kwisayensi yezinto ezibonakalayo, eboniswa ikakhulukazi kulezi zici ezilandelayo:

 

Izinto ze-elekthronikhi: I-Barium carbonate isetshenziswa njenge-X-ray kanye ne-γ Izinto zokuvikela imisebe zivikela izingxenye ze-elekthronikhi emonakalweni wemisebe.

I-Ceramics and Glass Industry: Njengokuguquguquka kanye nezinto ezingavuthiwe, i-barium carbonate ingehlisa izinga lokushisa elincibilikayo le-ceramics nengilazi, ithuthukise ikhwalithi nokusebenza komkhiqizo. Ngesikhathi esifanayo, kungase futhi kuthuthukise inkomba refractive of glass namandla mechanical of zobumba.

 

I-coatings and pigments: I-Barium carbonate isetshenziswa kakhulu njenge-pigment emhlophe kanye nokugcwalisa ngenxa yamandla ayo okumboza amahle kakhulu kanye nokucwebezela, ukuthuthukisa ubumhlophe nokuqina kwezingubo.

 

Imboni yamakhemikhali: I-Barium carbonate isetshenziswa njenge-intermediate noma i-catalyst ekukhiqizeni amakhemikhali, ibamba iqhaza ezinqubweni ezihlukahlukene zokusabela kwamakhemikhali.

 

Ukuqapha indawo ezungezile: Ukusetshenziswa kwe-barium carbonate ekuqaphelweni kwemvelo, ikakhulukazi ekutholeni ama-ion ensimbi esindayo kanye nokuhlaziywa kwekhwalithi yamanzi, kunevelu engase ibe khona yokusetshenziswa.

 

Izicelo emkhakheni wezinto zikagesi

 

Ukulungiswa Kwezinto Zokusebenza Semiconductor

 

I-Barium carbonate isetshenziswa kakhulu njenge-dopant noma impahla eluhlaza lapho kulungiswa izinto ze-semiconductor. Ngenxa yokuhlanzeka kwayo okuphezulu kwe-barium element, i-barium carbonate ingafakwa kumakristalu e-semiconductor ukuze iguqule izakhiwo zikagesi zezinto futhi ithole izakhiwo ezifiselekayo ze-semiconductor. Isibonelo, kwezinye izinto ezithile ze-semiconductor, ukungezwa kwe-barium carbonate kungathuthukisa ukuhamba kwe-electron kanye nokuzinza kokushisa kwempahla, okubalulekile ekukhiqizeni izinto zikagesi ezisebenza kahle kakhulu.

 

Ukwakhiwa kwe-ceramics kagesi

 

I-Barium carbonate ingenye yezinto ezisetshenziswayo ezibalulekile zobumba be-elekthronikhi, ebaluleke kakhulu ekulungiseni ama-capacitor e-ceramic amaningi (MLCC) nezinye izakhi ze-ceramic zikagesi. Ukulahlekelwa okuphezulu kwe-dielectric engaguquki kanye ne-dielectric ephansi ye-barium carbonate kwenza kube ukukhetha okuhle kokuthuthukisa ukusebenza kwezitsha zobumba zikagesi. Ngaphezu kwalokho, i-barium carbonate ingaphinde ithuthukise amandla emishini nokumelana nokushisa kwe-ceramics kagesi, okubaluleke kakhulu kumadivayisi kagesi asebenza ezindaweni ezishisa kakhulu.

 

Enqubweni yokukhiqiza ye-ceramics ye-elekthronikhi, i-barium carbonate ivame ukuxutshwa nezinye izinto zokusetshenziswa kwe-ceramic futhi ifakwe emanzini okushisa aphezulu ukuze yakhe isakhiwo se-ceramic esifunwayo. Phakathi nale nqubo, izici zokubola ze-barium carbonate nazo zidinga ukucatshangelwa ukuze kuqinisekiswe ikhwalithi nokusebenza komkhiqizo wokugcina.

 

Ucwaningo Lwezinto Zokubona

 

Izithasiselo zengilazi ye-optical

 

I-Barium carbonate isetshenziswa njengesengezo ekukhiqizeni ingilazi ye-optical, engathuthukisa inkomba yengilazi esobala kanye ne-refractive, kanye nokuthuthukisa ukusebenza kwayo kokucubungula. Lapho ukhiqiza ingilazi ekhethekile ye-optical, i-barium carbonate iwumthombo obalulekile we-barium oxide, osiza ukuthuthukisa izakhiwo ze-optical zeglasi. Ngokulawula kahle inani le-barium carbonate engeziwe, ingilazi ehlangabezana nezidingo ezithile ze-optical ingakhiqizwa, njengengilazi yenkomba ephezulu ye-refractive, ingilazi ehlakazekayo ephansi, njll. Lezi zibuko zisetshenziswa kakhulu kumalensi, amalensi, amathuluzi optical, namathuluzi okuxhumana okubona.

 

Ukuthuthukiswa Laser Materials

 

I-Barium carbonate nayo inezinhlelo zokusebenza ezibalulekile ekuthuthukiseni izinto ze-laser. Ingakha izinto eziyinhlanganisela ezinezakhiwo ezithile ze-laser ngokwenza i-doping nezinye izinto ezifana nezakhi zomhlaba ezingavamile. Isibonelo, i-barium carbonate ingahlanganiswa nezinto ezifana ne-strontium ne-niobium ukuze kulungiswe amakristalu e-laser amalaser esifunda esiqinile. Lezi zinto ze-laser zinezici zokusebenza kahle okuphezulu, ukuzinza okuhle, nokuphila isikhathi eside, futhi zisetshenziswa kakhulu emikhakheni yezokwelapha, esebenza ezimbonini, ezempi, neyocwaningo lwesayensi.

 

Ukuhlolwa Kwezinto Ezizibuthe

 

Ukuhlanganiswa kwe-Ferrite Magnetic Materials

 

Izinto zikazibuthe ze-Ferrite ziyizinto ezibalulekile ezingezona ezensimbi ezinozibuthe ezinezinhlelo zokusebenza ezibanzi, njengakuma-motor, ama-transformer, amadivaysi okugcina kazibuthe, njll. Kunezindlela ezihlukahlukene zokuhlanganiswa kwe-ferrite, okuhlanganisa indlela yesigaba esiqinile sokushisa okuphezulu, indlela ye-coprecipitation, indlela ye-sol gel, indlela ye-microemulsion, indlela ye-combustion synthesis, indlela ye-hydrothermal, njll. Isibonelo, indlela yesigaba esiqinile sezinga lokushisa eliphezulu ilula futhi ingenzeka, kodwa kungase kube nobunzima ekulawuleni usayizi wokusanhlamvu; Indlela ye-sol gel ingakwazi ukulawula kangcono usayizi wokusanhlamvu nokuma, kodwa izindleko ziphezulu 2. Abacwaningi baqhubeka nokwandisa inqubo yokuhlanganiswa ukuze bathole izinto ze-ferrite ezinezakhiwo ezithile zamagnetic, ezifana nokungena okuphezulu, ukulahlekelwa okuphansi, ukugcwala okuphezulu kwe-magnetization, njll.

 

Ukuthuthukiswa kwemidiya yokugcina kazibuthe

 

Imidiya yokugcina izinto kazibuthe iyingxenye ebalulekile yobuchwepheshe besimanje bolwazi, futhi izinto ezisetshenziswa kazibuthe ze-ferrite zidlala indima ebalulekile kukho. Imidiya yokurekhoda kazibuthe ye-hard disk iyisici esibalulekile sezinhlelo zokusebenza ezibonakalayo futhi okwamanje ibambe isikhundla esibalulekile emkhakheni wokugcinwa kolwazi. Ngokuthuthuka kobuchwepheshe, izidingo zokuminyana kwesitoreji kanye nesivinini sokufunda/sokubhala semidiya yokulondoloza kazibuthe siya ngokuya siphezulu. Isibonelo, i-Seagate ithuthukisa ubuchwepheshe bokuqopha obukabili bezendlalelo ezishisayo ezisiza uzibuthe ukuze kuzuzwe umgomo wamadrayivu aqinile we-120TB wesikhathi esizayo.

 

Ukuthuthukiswa kwemidiya entsha yesitoreji sikazibuthe nakho kwenza inqubekelaphambili eqhubekayo, okuhlanganisa nobuchwepheshe obufana nokuqoshwa kukazibuthe okuqondile (PMR), ukurekhoda kazibuthe (i-SMR), nokuqoshwa kukazibuthe okusizwa nge-thermal (HAMR). Ngaphezu kwalokho, inkumbulo kazibuthe yokufinyelela okungahleliwe (MRAM) idonse ukunaka njengohlobo olusha lwenkumbulo ngenxa yemvelo yayo engaguquki kanye nekhono lokufunda nokubhala lesivinini esikhulu. I-Samsung Electronics yenze inqubekelaphambili ebalulekile ekuthuthukiseni isizukulwane esilandelayo i-MRAM, okuyiyona eyonga kakhulu amandla embonini, futhi ubuchwepheshe bayo bukhethwe njengephepha elisindayo eNgqungqutheleni Yamazwe Ngamazwe Ngamadivayisi Kagesi (IEDM).

 

Ukuthuthukiswa kwezinto ezisetshenziswayo

 

Izingxenye ezisebenzayo zama-catalysts

 

Izingxenye ezisebenzayo ze-catalyst yizici ezibalulekile ezinquma ukusebenza kwayo kwe-catalytic. Lezi zingxenye ezisebenzayo zingaba izakhi zensimbi eyodwa njengeplatinum, i-palladium, i-rhodium, njll., kanye nama-oxide ensimbi, ama-sulfide, noma ama-complex complex. Ukukhethwa nokuklama kwezingxenye ezisebenzayo kudinga ukucabangela umsebenzi wazo we-catalytic, ukukhetha, nokuzinza kokusabela okuthile. Ngokulawula ngokunembile i-morphology, usayizi, kanye nesakhiwo sezingxenye ezisebenzayo, ukusebenza kwe-catalyst kungathuthukiswa. Isibonelo, ama-nanocatalysts abonisa umsebenzi ophezulu nokukhetha kune-catalysts yendabuko ngenxa yendawo ethile ephezulu kanye nezakhiwo ze-elekthronikhi eziyingqayizivele.

 

Izinto zokwakha ezinobungani bemvelo

 

 

Ngokuqwashisa okwandayo kokuvikelwa kwemvelo, ukuthuthukiswa kwezinto ezithuthukisa imvelo sekuyisihloko esishisayo socwaningo. Lolu hlobo lwento luhlose ukunciphisa ukukhiqizwa kwemikhiqizo eyingozi, ukunciphisa umthelela wayo endaweni ezungezile, nokugcina umsebenzi osebenzayo we-catalytic. Izinto ezisiza imvelo ezinobungani ngokuvamile ziba nalezi zimpawu ezilandelayo:

 

Ubuthi obuphansi: Khetha ubuthi obuphansi noma izinto ezingenabo ubuthi njengezingxenye ezisebenzayo zama-catalyst ukunciphisa ubungozi obungaba khona emvelweni nempilo yabantu.

 

Ukukhetha okuphezulu: Thuthukisa ama-catalysts ngokukhetha okuphezulu ukuze ukhuphule isivuno semikhiqizo eqondiwe futhi unciphise ukukhiqizwa kwemikhiqizo.

 

Iyasebenziseka Kabusha futhi Isebenziseka Kabusha: Dizayina isistimu ye-catalytic esebenziseka kabusha nesebenziseka kabusha ukuze kuncishiswe ukusetshenziswa kwe-catalyst kanye nokukhiqizwa kukadoti.

 

Izinyibilikisi eziluhlaza nezithwali: Sebenzisa izincibilikisi eziluhlaza nezithwali, njengamanzi, uketshezi olubaluleke kakhulu, noma izinto ezibolayo, ukuze umiselele izincibilikisi zendabuko.

 

Ukusebenza kahle kwamandla: Yenza ama-catalyst angasebenza emazingeni okushisa aphansi nezingcindezi zokunciphisa ukusetshenziswa kwamandla.

 

I-synthesis kanye nokuguqulwa kwe-Barium carbonate

 

Ukuqamba izindlela ezintsha zokuhlanganisa

 

Izindlela zokuhlanganisa zendabuko: Izindlela zokuhlanganisa zendabuko ze-barium carbonate ikakhulukazi zihlanganisa imvula yamakhemikhali, i-carbonation, kanye nokubola okushisayo. Lezi zindlela zisetshenziswe kakhulu ekukhiqizeni izimboni, kodwa kunezinkinga ezifana nokusetshenziswa kakhulu kwamandla, ukuhlanzeka okuphansi, nokungcoliswa kwemvelo.

 

Izindlela zokuhlanganisa okuluhlaza: Ukuze kuncishiswe umthelela emvelweni, abacwaningi bathuthukisa izindlela zokuhlanganisa ezivumelana nemvelo, njengokusebenzisa izinqubo ze-biomineralization, ukuhlanganiswa kwezinga lokushisa kwegumbi, ukuhlanganiswa koketshezi olunamandla kakhulu, njll. Lezi zindlela zihlose ukunciphisa ukusetshenziswa kwamandla, ukunciphisa imikhiqizo, kanye nokuthuthukisa ukuhlanzeka komkhiqizo.

 

Ubuchwepheshe be-Nanosynthesis: Ngokuthuthukiswa kwe-nanotechnology, i-nano barium carbonate ene-morphology ethile nosayizi ingahlanganiswa ngokulawula izimo zokusabela nokwengeza ama-surfactants. Lawa ma-nano barium carbonate abonisa inani lesicelo elingase libe khona ku-catalysis, optics, nezinto zikagesi ngenxa yezakhiwo zazo ezihlukile zomzimba namakhemikhali.

 

Izindlela zokushintsha zezakhiwo zezinto ezibonakalayo

 

Ukuguqulwa kobuso: Ngokusebenzisa amasu okulungisa indawo efana nokunameka, ukuxhunyelelwa, nokunameka, ukuhlakazeka, ukuzinza, nokuhambisana nezinye izinto ze-barium carbonate kungathuthukiswa. Lokhu kubalulekile ekuthuthukiseni ukusebenza kwe-barium carbonate ezintweni eziyinhlanganisela, okokunamathela, noyinki.

 

Ukuguqulwa kwe-Doping: Ngokusebenzisa ezinye izakhi (njengezinto zomhlaba ezingavamile, izinsimbi eziguqukayo, njll.) zibe yi-barium carbonate, izakhiwo zayo zokubona, zikazibuthe, kanye ne-electrochemical zingalungiswa. Le ndlela yokuguqula ibaluleke kakhulu ekuthuthukisweni kwezinto ezintsha ze-optoelectronic kanye nezizibuthe.

 

Ukuguqulwa kwesakhiwo: Ngokulawula izimo zokuhlanganisa ezifana nezinga lokushisa, ingcindezi, inani le-pH, njll., i-barium carbonate enezinhlaka zekristalu ehlukene kanye ne-morphologyes ingalungiswa. Le barium carbonate ehlelwe kahle ingase ibonise ukusebenza okungcono ezinhlelweni ezithile.

 

Ukuguqulwa kwenhlanganisela: Ngokuhlanganisa i-barium carbonate nezinye izinto (njengama-polymers, ama-nanoparticles, njll.), izinto ezintsha ezinezakhiwo ezihlanganisiwe zingalungiswa. Lobu buchwepheshe bokuguqulwa kwenhlanganisela bunemiphumela ebalulekile ekuthuthukiseni izakhiwo zemishini, ukuzinza kokushisa, nokusebenza kwezinto.

 

isifinyezo

 

Okungenzeka

 

I-Multifunctionality: I-Barium carbonate inenani elingase lisetshenziswe emikhakheni eminingi ngenxa yezakhiwo zayo eziyingqayizivele zomzimba namakhemikhali. Isibonelo, ingasetshenziswa njenge-flux ezimbonini ze-ceramic nezingilazi ukuthuthukisa ikhwalithi yomkhiqizo; Embonini ye-electronics, i-barium carbonate ingasetshenziswa njenge-X-ray futhi γ izinto zokuvikela imisebe zivikela izingxenye ze-elekthronikhi emonakalweni wemisebe.

 

Izinto ezihambisana nemvelo: Ngokuqwashisa okwandayo kokuvikelwa kwemvelo, amandla e-barium carbonate ekuthuthukiseni izinto ezithinta imvelo ayahlolwa kancane kancane. Isibonelo, ukusetshenziswa kwe-barium carbonate ekuphathweni kwamanzi kanye nezinzwa zokuqapha imvelo kungasiza ekunciphiseni ukungcoliswa kwemvelo.

 

Ukuguqulwa kanye nokuhlanganiswa: Izindlela zokuhlanganisa ze-barium carbonate zihlala zisungula, njenge-supercritical carbon dioxide indlela, esiza ukuthuthukisa ukuhlanzeka nokusebenza kwe-barium carbonate. Ngaleso sikhathi, amasu okuguqula indawo efana nokuguqulwa kwe-stearic acid angathuthukisa ukuhlakazeka kwe-barium carbonate kanye nokuhambisana kwayo nezinto ze-organic polymer.

 

inselele

Inkinga yobuthi: I-Barium carbonate inobuthi obuthile, obukhawulela ukusetshenziswa kwayo emikhakheni ethile. Ngakho-ke, indlela yokusebenzisa ngokuphepha i-barium carbonate nokunciphisa umthelela wayo emvelweni nempilo yabantu kuyinselele ebalulekile.

 

Izindleko ze-Synthesis: Nakuba izindlela zokuhlanganisa ze-barium carbonate zihlala zishintsha, ezinye izindlela ezifana ne-supercritical carbon dioxide indlela zingase zibandakanye izindleko eziphakeme kanye nokugeleza kwezinqubo eziyinkimbinkimbi, ezingase zinciphise ukusetshenziswa kwazo ekukhiqizeni izimboni ezinkulu.

 

Ukuthuthukiswa kokusebenza: Ukulungiswa kokusebenza kwe-barium carbonate kuseyinselele, njengokuthuthukisa ukuzinza kwayo ezinhlelweni ezithile kanye nokunciphisa izinga lokubola kwayo emazingeni okushisa aphezulu, okudinga ucwaningo olwengeziwe nokuthuthukiswa.

 

Ukuthuthukiswa kwezinto ezithinta imvelo: Nakuba i-barium carbonate inamandla ekuthuthukisweni kwezinto ezithinta imvelo, ukulinganisa ubungane bayo bemvelo kanye nezinzuzo zezomnotho, kanye nokunqoba ukulinganiselwa kwayo ekusebenziseni okungokoqobo, yizindaba ezidinga ukubhekwa.