Nanoparticles iri kuwedzera kushandiswa mukutsvakurudza uye indasitiri nekuda kwekuwedzerwa kwezvinhu zvichienzaniswa nehuwandu hwezvinhu.Nanoparticles inogadzirwa ne ultrafine particles isingasviki 100 nm indiameter.Ichi ndicho chimwe chinhu chinokosha, asi chakasarudzwa nokuti muhukuru uhwu hukuru hwekutanga zviratidzo zve "surface effects" uye zvimwe zvisingawanzoitiki zvinowanikwa mu nanoparticles.Izvi zviduku zvinogadzirwa kubva kunhamba huru, inogadzirwa zvakananga kubva kune nhamba huru yenoparticles. maatomu anoratidzwa pamusoro pepamusoro.Zvakaratidzirwa kuti maitiro uye maitiro ezvigadzirwa zvinoshanduka zvakanyanya kana zvichivakwa kubva kune nanoscale.Mimwe mienzaniso yekuvandudza kunoitika kana kuwedzera kuoma uye simba, magetsi uye kupisa kwemhepo kunosanganiswa nanoparticles.
Ichi chinyorwa chinokurukura maitiro uye kushandiswa kwealumina nanoparticles.Aluminium iboka reP rechitatu renguva, nepo okisijeni iboka reP 2nd period element.
Chimiro chealumina nanoparticles chakaita spherical uye chena poda.
Alumina nanoparticlesinogona kugadzirwa nemaitiro mazhinji, anosanganisira bhora rekugaya, sol-gel, pyrolysis, sputtering, hydrothermal, uye laser ablation.Laser ablation inzira yakajairika yekugadzira nanoparticles nekuti inogona kugadzirwa mugasi, vacuum kana liquid.Ichifananidzwa nedzimwe nzira, nzira iyi ine zvakanakira zvekukurumidza uye yakakwira yelaser zvinhu. zviri nyore kuunganidza pane nanoparticles munzvimbo dzine gasi. Munguva ichangopfuura, chemist paMax-Planck-Institut für Kohlenforschung muMülheim an der Ruhr vakawana nzira yekugadzira corundum, inozivikanwawo sealpha-alumina, nenzira ye nanoparticles vachishandisa nzira iri nyore ye mechanical, a Very stable.ball mill.
Mune iyo nyaya iyo alumina nanoparticles inoshandiswa mune yemvura fomu, senge aqueous dispersions, iwo mashandisirwo makuru ndeaya anotevera:
• Kuvandudza kusimba, kutsvedzereka, kusimba kwekutsemuka, kusimba kwekambaira, kusanzwa kuneta kwemafuta uye kusagadzikana kweabrasion yezvigadzirwa zvepolymer zveceramics.
Maonero ataurwa pano ndeaya emunyori uye haafanire kuratidza maonero nemafungiro eAZoNano.com.
AZoNano yakataura naDr. Gatti, mumwe piyona munyaya yenanotoxicology, nezvechidzidzo chitsva chaanoita mukuongorora hukama hunogona kuitika pakati pe nanoparticle exposure uye sudden infant death syndrome.
AZoNano inotaura naProfessor Kenneth Burch vekuBoston College.Burch Group yanga ichitsvaga kuti mvura yetsvina-based epidemiology (WBE) inogona kushandiswa sei sechombo chekuwana ruzivo rwenguva chaiyo pamusoro pekushandisa zvinodhaka zvisiri pamutemo.
Takataura naDr Wenqing Liu, Reader uye Head of Nanoelectronics and Materials paRoyal Holloway University, London, paInternational Women’s Day.
Hiden's XBS (Cross Beam Source) system inobvumira kutarisisa-kwakawanda-sosi muMBE deposition application.Inoshandiswa mu molecular beam mass spectrometry uye inobvumira in situ kutarisisa kweakawanda masosi pamwe nechaiyo-nguva siginecha kubuda kweiyo chaiyo kudzora kwekuisa.
Dzidza nezve Thermo Scientific™ Nicolet™ RaptIR FTIR maikorosikopu yakagadzirirwa kutsvaga nekukasira kuona zvinhu zvekutsvagira, zvinosanganisirwa, tsvina uye zvidimbu uye kugovera kwazvo mumuenzaniso.
Nguva yekutumira: Mar-29-2022