Iindaba
-
Iigesi eziqhelekileyo
“Igesi eqhelekileyo” ligama kushishino lwegesi. Isetyenziselwa ukulinganisa izixhobo zokulinganisa, ukuvavanya iindlela zokulinganisa, kunye nokunika amaxabiso asemgangathweni kwiigesi zesampulu ezingaziwayo. Iigesi eziqhelekileyo zineendlela ezininzi zokusetyenziswa. Inani elikhulu leegesi eziqhelekileyo kunye neegesi ezikhethekileyo zisetyenziselwa i ...Funda ngokugqithisileyo -
I-China iye yafumanisa izixhobo ze-helium ezikumgangatho ophezulu kwakhona
Kutshanje, i-Haixi Prefecture Natural Resources Bureau yePhondo laseQinghai, kunye ne-Xi'an Geological Survey Centre ye-China Geological Survey, i-Oil and Gas Resources Survey Centre kunye ne-Institute of Geomechanics ye-Chinese Academy of Geological Sciences, ibambe ingqungquthela. ...Funda ngokugqithisileyo -
Uhlalutyo lwentengiso kunye nophuhliso lwamathemba ekloromethane
Ngophuhliso oluzinzileyo lwe-silicone, i-methyl cellulose kunye ne-fluororubber, imarike ye-chloromethane iyaqhubeka nokuphucula uMveliso weMveliso iMethyl Chloride, eyaziwa ngokuba yi-chloromethane, i-organic compound kunye ne-chemical formula CH3Cl. Yirhasi engenambala kubushushu begumbi kunye noxinzelelo...Funda ngokugqithisileyo -
Iigesi ze-laser excimer
I-laser ye-Excimer luhlobo lwe-laser ye-ultraviolet, edla ngokusetyenziswa kwiinkalo ezininzi ezifana nokuveliswa kweetshiphu, utyando lwamehlo kunye nokulungiswa kwelaser. Igesi yaseChengdu Taiyu inokulawula ngokuchanekileyo umlinganiselo wokuhlangabezana nemigangatho yokuvuselela i-laser, kwaye iimveliso zenkampani yethu zisetyenziswe kwi...Funda ngokugqithisileyo -
Ukutyhila ummangaliso wenzululwazi we-hydrogen kunye ne-helium
Ngaphandle kobuchwepheshe behidrojeni yolwelo kunye neheliyam yolwelo, ezinye izibonelelo zenzululwazi ezinkulu zingayimfumba yesinyithi esilahliweyo… Ibaluleke kangakanani ihydrogen kunye neheliyam engamanzi? Izazinzulu zaseTshayina zoyisa njani ihydrogen kunye nehelium ekungenakwenzeka ukuba inyibilike? Nditsho nenqanaba phakathi kwezona zibalaseleyo...Funda ngokugqithisileyo -
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
