TsimScience

Qhuav dej

Novek 1230 - hmoov (qhuav) dej sab nyob rau hauv 1968. Rau ib txhia lub sij hawm, qhov no foundations twb tsis nco qab lawm. Tej zaum, xav tias qhuav dej yog tsis tsim nyog. Txawm li cas los, muaj ntau yam cov kws tshawb fawb ceg tias qhov no tshuaj yuav pab tau tib neeg kom tiv nrog lub ntiaj teb no ua kom sov.

Nyob rau hauv thaum ntxov 21st century, qhuav dej kev tshawb fawb tau resumed. British zaum ntawm lub University of Liverpool pab pawg neeg mus rau qhov chaw muaj teeb meem nyob rau hauv lub tswv yim siv ntawm no discovery.

Qhuav dej, nyob tus yeees ntawm uas muaj xws li ib tug cuaj caum-tsib feem pua ntawm ib txwm dej, uas zoo sib xws nyob rau hauv tsos mus rau lub icing qab zib. Txhua droplet npog zoo tshaj plhaub silica. Qhov no compound ntawm oxygen thiab silicon yog suav tias yog lub feem ntau ruaj khov. Lub plhaub ntawm lub silica tsis pub kis thiab hauj lwm ua ke dropwise. Qhov luaj li cas ntawm txhua lub nco - tsawg tshaj li ib micron.

Thaum lub sij hawm thwmsim nws twb pom hais tias cov qhuav dej muaj ib tug zoo peev xwm los nqus roj cua. Tej zaum, lub tshuaj yuav nqus gases uas ua cov tsos ntawm lub tsev cog khoom nyhuv on lub ntiaj teb. Qhov no kev coj ntawm cov tswv yim siv ntawm qhov tshuaj thiab xyuas Liverpool zaum. Nyob rau hauv laboratory tej yam kev mob, nws twb pom hais tias cov qhuav dej yog tau nqus peb lub sij hawm ntau carbon dioxide tshaj ib tug dej dawb rau tib lub sij hawm ntawm lub sij hawm.

Cov tshuaj yeeb dej caw yuav tej zaum pab tsim frozen methane, nyob rau hauv qab ntawm lub dej hiav txwv. Qhib ntawm qhuav dej yuav pab tau sau thiab noog nyob rau hauv loj txaus qhov ntau, thiab lwm yam gases uas tsis yooj yim rau tsim. Dhau li ntawd, cov technology uas ua cov tshuaj yeeb dej caw yuav tau mus thov mus rau lwm cov kua. Nws kuj yuav qhib li pheej txuj nyob rau hauv txoj kev loj hlob ntawm ntau yam sectors ntawm technology thiab science.

Ua ke nrog rau qhov no British zaum tau sim los ua pov thawj hais tias cov kev siv ntawm daim ntawv no ntawm cov kua yuav ua tau ib qho tseem ceeb thaum lub sij hawm thauj mus los thiab cia ntawm uas tej ntaub ntawv. Piv txwv li, soj ntsuam tau pom hais tias nws yog tau kom tau ib tug tshiab txoj kev khaws cia cov lub cev muaj zog roj rau xyaw uas khiav rau hydrogen.

Qhuav dej uas nws mis CF3CF2C (O) CF (CF3) 2 muaj ob hom khoom uas zoo tib yam dej. Ob yam muaj nuj nqis saj tsis hnov tsw. Nyob rau hauv dej dawb ua raws li ib tug oxidizing neeg sawv cev oxygen. Lub oxidant rau lub substance yog fluorine.

Nyob rau hauv qhuav dej kub npau npau kub ntawm txog tsib caug degrees, cia kom khov - ib puas thiab yim degrees. Txawm li cas los, txawm nyob rau hauv lub kub, qhov zaum hais, Yog hais tias koj txiav lub ob txhais tes Novek 1230 nws yuav tsis hlawv. Cov tshuaj yeeb dej caw muaj ib tug high ntom.

Vim cov tsis muaj peev xwm rau kev tam sim no, lub qhuav dej yuav siv tau nyob rau hauv elektronebezopasnyh chav. Cov tshuaj yeeb dej caw decomposes nyob rau hauv tus ntawm ultraviolet lub teeb. Nyob rau hauv ib qho qhib thawv qhuav dej yuav tsum tau muab cia tsis muaj ntau tshaj li tsib hnub.

Cov tshuaj yeeb dej caw yog dav siv rau hluav taws kub sib ntaus sib tua, tshwj xeeb tshaj yog nyob rau hauv tej qhov chaw uas feeb meej sufficiently loj npaum li cas ntawm electronics thiab cov khoom siv rau high voltage. Cov chaw kho mob, piv txwv li, tej zaum yuav muaj xws li generating, neeg rau zaub mov, lub hwj chim noj, transformers thiab thiaj li nyob. Extinguishing nyhuv yog li tiav raws li ib tug tshwm sim ntawm txias thiab kub haum ntawm lub active.

Hmoov tsis muaj feem xyuam dej ua kom cov ntawv. Nws yog nyob rau hauv qhov ntsiab lus teb, archival chav, tsev ceev teej tug sim rau nruab hluav taws hluav system siv Novek 1230. Piv txwv li, qhov no system yog siv nyob rau hauv lub Hermitage.

Hmoov dej ua mob ab tsi rau tib neeg. Txawm li cas los, tus neeg tshawb fawb tsis pom zoo haus nws. Me kub taw tes yuav tsis cia haus dej nyob rau hauv cov hmoov los yog tshuaj yej, tsis muaj kas fes. Qab Zib nyob rau hauv nws thiab tsis yaj.

Raws li zaum, hmoov dej yuav sai sai no yuav thov qhov txhia chaw.

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