Iindaba
-
Usetyenziso lweDeuterium
I-Deuterium yenye ye-isotopes ye-hydrogen, kwaye i-nucleus yayo iqulethe iproton enye kunye neutron enye. Imveliso yokuqala ye-deuterium yayixhomekeke kwimithombo yamanzi yendalo kwindalo, kwaye amanzi anzima (D2O) afunyenwe ngokuhlukana kunye ne-electrolysis, kwaye igesi ye-deuterium yakhutshwa ...Funda ngokugqithisileyo -
Iigesi ezixubeneyo ezisetyenziswa ngokuqhelekileyo kwimveliso ye-semiconductor
I-Epitaxial (ukukhula) I-Mixed Gas Kushishino lwe-semiconductor, irhasi esetyenziselwa ukukhulisa umaleko omnye okanye ngaphezulu kwezinto ngokubeka umphunga wekhemikhali kwi-substrate ekhethwe ngononophelo ibizwa ngokuba yi-epitaxial gas. Iigesi ze-silicon epitaxial ezisetyenziswa ngokuqhelekileyo ziquka i-dichlorosilane, i-silicon tetrachloride kunye ne-silane. M...Funda ngokugqithisileyo -
Indlela yokukhetha igesi edibeneyo xa i-welding?
Ukuwelda igesi ekhuselweyo edibeneyo yenzelwe ukuphucula umgangatho wee-welds. Iigesi ezifunekayo kwi-gas exutywe nazo ziyi-welding ye-welding shielding gases ezifana ne-oksijeni, i-carbon dioxide, i-argon, njl.Funda ngokugqithisileyo -
Iimfuno zokuvavanywa kokusingqongileyo kwiigesi eziqhelekileyo / igesi yokulinganisa
Kuvavanyo lwendalo esingqongileyo, igesi esemgangathweni ngundoqo wokuqinisekisa ukuchaneka komlinganiselo kunye nokuthembeka. Ezi zilandelayo zezinye zeemfuno eziphambili zegesi eqhelekileyo: Ukucoceka kwegesi Ukucoceka okuphezulu: Ukucoceka kwegesi esemgangathweni kufuneka ibe phezulu kune-99.9%, okanye isondele kwi-100%, ukuphepha ukuphazamiseka kwe...Funda ngokugqithisileyo -
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
