Nūhou
-
Nā kinoea maʻamau
ʻO "gas standard" kahi huaʻōlelo i ka ʻoihana kinoea. Hoʻohana ʻia ia e calibrate i nā mea ana, loiloi i nā ʻano ana, a hāʻawi i nā waiwai maʻamau no nā kinoea hoʻohālike ʻike ʻole. Loaʻa i nā kinoea maʻamau ka laulā o nā noi. Hoʻohana ʻia ka nui o nā kinoea maʻamau a me nā kinoea kūikawā i...Heluhelu hou aku -
Ua ʻike hou ʻo Kina i nā kumuwaiwai helium kiʻekiʻe
ʻO ka mea i hala koke aku nei, ua mālama ʻia kahi sympo e ka Haixi Prefecture Natural Resources Bureau o Qinghai Province, me ka Xiʻan Geological Survey Center o ka China Geological Survey, ka Oil and Gas Resources Survey Center a me ka Institute of Geomechanics o ka Chinese Academy of Geological Science. ...Heluhelu hou aku -
Ka nānā ʻana o ka mākeke a me ka hoʻomohala ʻana o ka chloromethane
Me ka hoʻomohala mau ʻana o ka silicone, methyl cellulose a me ka fluororubber, ke hoʻomau nei ka mākeke o ka chloromethane i ka hoʻomaikaʻi ʻana i ka Product Overview Methyl Chloride, ʻike ʻia hoʻi ʻo chloromethane, he mea hoʻohui pū me ke ʻano kemika CH3Cl. He kinoea kala ʻole ma ka lumi wela a me ke kaomi ...Heluhelu hou aku -
Nā kinoea laser Excimer
ʻO ka laser Excimer kahi ʻano o ka laser ultraviolet, ka mea maʻamau i hoʻohana ʻia i nā kula he nui e like me ka hana ʻana i ka chip, ka ʻoki ophthalmic a me ka hana laser. Hiki iā Chengdu Taiyu Gas ke hoʻomalu pono i ka ratio e hoʻokō i nā kūlana hoʻonani laser, a ua hoʻohana ʻia nā huahana o kā mākou hui ma ...Heluhelu hou aku -
Ke wehe nei i ka hana mana ʻepekema o ka hydrogen a me ka helium
Inā ʻaʻole ka ʻenehana o ka hydrogen wai a me ka helium wai, e lilo ana kekahi mau mea ʻepekema nui i puʻu metala ʻōpala… Pehea ka nui o ka hydrogen wai a me ka helium wai? Pehea i lanakila ai nā kānaka ʻepekema Kina i ka hydrogen a me ka helium i hiki ʻole ke hoʻoheheʻe ʻia? ʻOiai ke kūlana i waena o nā mea maikaʻi loa ...Heluhelu hou aku -
ʻO ke kinoea kūikawā uila i hoʻohana nui ʻia - nitrogen trifluoride
ʻO nā kinoea uila kūikawā maʻamau i loko o ka fluorine he sulfur hexafluoride (SF6), tungsten hexafluoride (WF6), carbon tetrafluoride (CF4), trifluoromethane (CHF3), nitrogen trifluoride (NF3), hexafluoroethane (C2F6) a me octafluoropropane (C3F8). Me ka hoʻomohala ʻana o ka nanotechnology a me ka ...Heluhelu hou aku -
Nā ʻano a me ka hoʻohana ʻana o ka ethylene
ʻO ke kumu hoʻohālike kemika ʻo C2H4. ʻO ia ke kumu kemika kumu no nā fiber synthetic, rubber synthetic, plastic synthetic (polyethylene and polyvinyl chloride), a me synthetic ethanol (waiʻona). Hoʻohana ʻia ia e hana i ka vinyl chloride, styrene, ethylene oxide, acetic acid, acetaldehyde, a expl...Heluhelu hou aku -
He mea pono loa ke Krypton
ʻO Krypton he kinoea waihoʻoluʻu ʻole, ʻala ʻole, ʻono ʻole, ʻoi aku ka pālua o ke kaumaha ma mua o ka ea. ʻAʻole hiki ke puhi a kākoʻo i ke ahi. He ʻuʻuku loa ka ʻike o ka krypton i ka lewa, me 1.14 ml wale nō o krypton i kēlā me kēia 1m3 o ka ea. ʻO ka noi ʻoihana o krypton Krypton he mea nui ...Heluhelu hou aku -
Xenon maʻemaʻe kiʻekiʻe: paʻakikī e hana a hiki ʻole ke hoʻololi
ʻO ka xenon maʻemaʻe kiʻekiʻe, he kinoea inert me ka maʻemaʻe ma mua o 99.999%, he hana koʻikoʻi i ke kiʻi lāʻau lapaʻau, nā kukui kiʻekiʻe, ka mālama ʻana i ka ikehu a me nā māla ʻē aʻe me kona kala ʻole a ʻala ʻole, kiʻekiʻe kiʻekiʻe, haʻahaʻa paila a me nā waiwai ʻē aʻe. I kēia manawa, ʻo ka mākeke xenon hoʻomaʻemaʻe kiʻekiʻe o ka honua ...Heluhelu hou aku -
He aha ka silane?
ʻO Silane kahi hui o ke silikoni a me ka hydrogen, a he huaʻōlelo maʻamau ia no ke ʻano o nā pūhui. ʻO ka nui o ka Silane ka monosilane (SiH4), disilane (Si2H6) a me kekahi mau pūhui hydrogen silika kiʻekiʻe, me ke ʻano maʻamau SinH2n+2. Eia naʻe, i ka hana maoli, ʻike mākou i nā monos ...Heluhelu hou aku -
ʻO ke kinoea maʻamau: ka pōhaku kihi o ka ʻepekema a me ka ʻoihana
I loko o ka honua nui o ka noiʻi ʻepekema a me ka hana ʻenehana, ua like ke kinoea maʻamau me ka meʻe leo ma hope o nā hiʻohiʻona, e pāʻani ana i kahi kuleana koʻikoʻi. ʻAʻole wale ia he ākea ākea o nā noi, akā hōʻike pū kekahi i kahi manaʻo ʻoihana hoʻohiki. ʻO ke kinoea maʻamau he hui kinoea me ka manaʻo i ʻike pololei ʻia...Heluhelu hou aku -
Ma mua i hoʻohana ʻia no ka puhi ʻana i nā baluna, ua lilo ka helium i mea waiwai loa o ka honua. He aha ka hoʻohana ʻana o ka helium?
ʻO ka Helium kekahi o nā kinoea liʻiliʻi i ʻoi aku ka māmā ma mua o ka ea. ʻO ka mea nui aku, he paʻa loa, ʻaʻohe kala, ʻaʻala ʻole a me ka pōʻino, no laila he koho maikaʻi loa ia e hoʻohana ai e puhi i nā baluna lana iho. I kēia manawa ua kapa pinepine ʻia ka helium "gas rare earth" a i ʻole "gasela gula". ʻO ka Helium ...Heluhelu hou aku
