Iindaba
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Eyona gesi isetyenziswa kakhulu kwi-elektroniki i-nitrogen trifluoride
Iigesi ze-fluorine eziqhelekileyo eziqulethe i-electronic gases ekhethekileyo ziquka i-sulfur hexafluoride (SF6), i-tungsten hexafluoride (WF6), i-carbon tetrafluoride (CF4), i-trifluoromethane (CHF3), i-nitrogen trifluoride (NF3), i-hexafluoroethane (C2F6) kunye ne-octafluoropropane (C3F8). Ngophuhliso lwe-nanotechnology kunye ne...Funda ngokugqithisileyo -
Iimpawu kunye nokusetyenziswa kwe-ethylene
Ifomula yeekhemikhali yi-C2H4. Yimathiriyeli esisiseko yekhemikhali ekrwada yeefiber zokwenziwa, irabha yokwenziwa, iiplastiki zokwenziwa (i-polyethylene kunye ne-polyvinyl chloride), kunye ne-ethanol yokwenziwa (utywala). Ikwasetyenziselwa ukwenza i-vinyl chloride, i-styrene, i-ethylene oxide, i-acetic acid, i-acetaldehyde, kunye ne-expl ...Funda ngokugqithisileyo -
I-Krypton iluncedo kakhulu
I-Krypton yigesi engenambala, engenavumba, engenancasa, enzima ngokuphindwe kabini kunomoya. Ayisebenzi kakhulu kwaye ayikwazi ukutshisa okanye ukuxhasa ukutsha. Umxholo we-krypton emoyeni uncinci kakhulu, kunye ne-1.14 ml ye-krypton kuphela kwi-1m3 yomoya. Ukusetyenziswa kweshishini lekrypton Krypton kubalulekile...Funda ngokugqithisileyo -
Ucoceko oluphezulu lwexenon: kunzima ukuyivelisa kwaye ayinakubuyiselwa
I-xenon ecocekileyo, igesi ye-inert enobunyulu obudlula i-99.999%, idlala indima ebalulekileyo kwimifanekiso yezokwelapha, ukukhanya okuphezulu, ukugcinwa kwamandla kunye nezinye iindawo ezinombala ezingenambala kunye nephunga, ubuninzi obuphezulu, indawo yokubilisa ephantsi kunye nezinye iimpawu. Okwangoku, intengiso yehlabathi ye-xenon ephezulu yococeko ...Funda ngokugqithisileyo -
Yintoni i-silane?
I-Silane yi-compound ye-silicon kunye ne-hydrogen, kwaye ligama eliqhelekileyo loluhlu lwee-compounds. I-Silane ikakhulu ibandakanya i-monosilane (i-SiH4), i-disilane (i-Si2H6) kunye nezinye iindawo eziphezulu ze-silicon hydrogen compounds, kunye ne-formula jikelele i-SinH2n + 2. Nangona kunjalo, kwimveliso yokwenyani, sibhekisa ngokubanzi kwimonos...Funda ngokugqithisileyo -
Irhasi esemgangathweni: ilitye lembombo lesayensi kunye neshishini
Kwihlabathi elikhulu lophando lwezenzululwazi kunye nemveliso yoshishino, igesi eqhelekileyo ifana neqhawe elithule emva kwemiboniso, idlala indima ebalulekileyo. Ayinaluhlu olubanzi lwezicelo kuphela, kodwa ikwabonisa ithemba leshishini elithembisayo. Irhasi esemgangathweni ngumxube werhasi ene-concen eyaziwa ngokuchanekileyo...Funda ngokugqithisileyo -
Ngaphambili ibisetyenziselwa ukuqhumisa iibhaluni, ihelium ngoku iye yaba yenye yezona zixhobo zinqabileyo ehlabathini. Yintoni ukusetyenziswa kwe-helium?
IHelium yenye yeegesi ezimbalwa ezikhaphukhaphu kunomoya. Okona kubaluleke kakhulu, izinzile, ayinambala, ayinavumba kwaye ayinabungozi, ngoko lukhetho oluhle kakhulu lokuyisebenzisa ukuvuthela iibhaluni ezidadayo. Ngoku i-helium ibizwa ngokuba "ngumhlaba onqabileyo wegesi" okanye "igesi yegolide". IHelium yi...Funda ngokugqithisileyo -
Ikamva loBuyiselo lweHelium: Izinto ezintsha kunye nemingeni
IHelium sisixhobo esibalulekileyo kumashishini ahlukeneyo kwaye ijongene nokunqongophala okunokwenzeka ngenxa yokunqongophala kobonelelo kunye nemfuno ephezulu. Ukubaluleka kwe-Helium yokuBuyisa i-Helium ibalulekile kwizicelo ezisusela kwimifanekiso yezonyango kunye nophando lwezenzululwazi ukuya kwimveliso kunye nokuhlola indawo....Funda ngokugqithisileyo -
Zeziphi iigesi ezinefluorine? Zeziphi iigesi ezizodwa ezinefluorine eziqhelekileyo? Eli nqaku liza kukubonisa
Iigesi ezikhethekileyo ze-elektroniki ziyinxalenye ebalulekileyo yeegesi ezikhethekileyo. Bangena phantse kulo lonke ikhonkco lokuvelisa i-semiconductor kwaye zizinto eziyimfuneko ekuveliseni amashishini e-elektroniki anje ngeesekethe ezidityanisiweyo ezinkulu-ezinkulu, izixhobo zokubonisa iipaneli ezisicaba, kunye neeseli zelanga...Funda ngokugqithisileyo -
Yintoni iGreen Ammonia?
Kwinkulungwane yeminyaka yokuthanda i-carbon peak kunye nokungathathi hlangothi kwekhabhoni, amazwe kwihlabathi liphela ajonge ngenkuthalo isizukulwana esilandelayo sobuchwephesha bamandla, kwaye i-ammonia eluhlaza iba yeyona nto igxininiswayo kwingqalelo yehlabathi kutsha nje. Xa kuthelekiswa ne-hydrogen, i-ammonia iyanda ukusuka kwezona zithethe ...Funda ngokugqithisileyo -
Iigesi zeSemiconductor
Kwinkqubo yokwenziwa kwe-semiconductor wafer foundries eneenkqubo zokuvelisa ezikwinqanaba eliphezulu, phantse iintlobo ezingama-50 ezahlukeneyo zeegesi ziyafuneka. Iigesi zihlulwe ngokubanzi zibe ziigesi ezininzi kunye neegesi ezikhethekileyo. Ukusetyenziswa kweegesi kwi-microelectronics kunye ne-semiconductor kumashishini Ukusetyenziswa ...Funda ngokugqithisileyo -
Indima ye-helium kwi-R&D yenyukliya
I-Helium idlala indima ebalulekileyo kuphando nakuphuhliso kummandla wokudibanisa kwenyukliya. Iprojekthi ye-ITER kwichweba laseRhône eFransi sisixhobo sokwenza umxube we-thermonuclear esisakhiwayo. Le projekthi iza kuseka umzi-mveliso wokupholisa ukuqinisekisa ukupholisa kwesixhobo sombane. “Mna...Funda ngokugqithisileyo
