Nūhou
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Ua ʻike hou ʻo Kina i nā kumuwaiwai helium kiʻekiʻe
I kēia mau lā iho nei, ua mālama ka Haixi Prefecture Natural Resources Bureau o Qinghai Province, me ke Xi'an Geological Survey Center o ka China Geological Survey, ke Oil and Gas Resources Survey Center a me ka Institute of Geomechanics o ka Chinese Academy of Geological Sciences, i kahi sympo ...E heluhelu hou aku -
Ka loiloi mākeke a me nā manaʻolana hoʻomohala o ka chloromethane
Me ka hoʻomohala mau ʻana o ka silicone, methyl cellulose a me ka fluororubber, ke hoʻomau nei ka mākeke o chloromethane i ka hoʻomaikaʻi ʻana i ka ʻike kikoʻī o ka huahana ʻO Methyl Chloride, i ʻike ʻia hoʻi ʻo chloromethane, he hui organik me ke ʻano kemika CH3Cl. He kinoea kala ʻole ia ma ka mahana o ka lumi a me ke kaomi ...E heluhelu hou aku -
Nā kinoea laser Excimer
ʻO ka laser Excimer kahi ʻano laser ultraviolet, kahi i hoʻohana nui ʻia ma nā ʻano he nui e like me ka hana ʻana i nā chip, ke ʻoki maka a me ka hana ʻana i ka laser. Hiki i ke Chengdu Taiyu Gas ke hoʻomalu pololei i ka ratio e hoʻokō i nā kūlana hoʻonāukiuki laser, a ua hoʻopili ʻia nā huahana o kā mākou hui ma...E heluhelu hou aku -
Ke wehe nei i ka hana mana ʻepekema o ka hydrogen a me ka helium
Me ka ʻole o ka ʻenehana o ka hydrogen wai a me ka helium wai, e lilo kekahi mau hale ʻepekema nui i puʻu metala ʻōpala ... Pehea ke koʻikoʻi 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? Aia pū kekahi ma waena o nā mea maikaʻi loa ...E heluhelu hou aku -
ʻO ke kinoea kūikawā uila i hoʻohana nui ʻia - nitrogen trifluoride
ʻO nā kinoea uila kūikawā i loaʻa ka fluorine maʻamau e komo pū me ka 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...E heluhelu hou aku -
Nā ʻano a me nā hoʻohana o ka ethylene
ʻO ke ʻano kemika ʻo C2H4. He mea maka kemika kumu ia no nā olonā synthetic, rubber synthetic, plastics synthetic (polyethylene a me polyvinyl chloride), a me ka ethanol synthetic (ʻona). Hoʻohana ʻia hoʻi ia e hana i ka vinyl chloride, styrene, ethylene oxide, acetic acid, acetaldehyde, a me nā mea hoʻoheheʻe...E heluhelu hou aku -
He mea kōkua nui ʻo Krypton
He kinoea inert ʻole ke Krypton, ʻaʻohe ona kala, ʻaʻohe ona ʻono, ʻelua paha ke kaumaha ma mua o ka ea. He hana ʻole loa ia a ʻaʻole hiki ke puhi a kākoʻo paha i ke kuni ʻana. He liʻiliʻi loa ka nui o ka krypton i ka lewa, me 1.14 ml wale nō o ka krypton i kēlā me kēia 1m3 o ka ea. Hoʻohana ʻia ʻo krypton ma ka ʻoihana. He mea nui ka Krypton...E heluhelu hou aku -
Xenon maʻemaʻe kiʻekiʻe: paʻakikī ke hana a hiki ʻole ke pani ʻia
ʻO ke xenon maʻemaʻe kiʻekiʻe, kahi kinoea inert me ka maʻemaʻe ma mua o 99.999%, he kuleana koʻikoʻi ia i ke kiʻi lapaʻau, ke kukui kiʻekiʻe, ka mālama ʻana i ka ikehu a me nā kahua ʻē aʻe me kona kala ʻole a me ke ʻala ʻole, ka nui kiʻekiʻe, ka paila haʻahaʻa a me nā waiwai ʻē aʻe. I kēia manawa, ʻo ka mākeke xenon maʻemaʻe kiʻekiʻe o ka honua e hui pū ana...E heluhelu hou aku -
He aha ka silane?
He hui ʻo Silane o ka silicon a me ka hydrogen, a he huaʻōlelo maʻamau no kahi moʻo o nā hui. ʻO Silane ka monosilane (SiH4), disilane (Si2H6) a me kekahi mau hui silicon hydrogen kiʻekiʻe, me ke ʻano maʻamau SinH2n+2. Eia nō naʻe, i ka hana maoli, kuhikuhi pinepine mākou i ka monos...E heluhelu hou aku -
Kinoea maʻamau: ke kihi o ka ʻepekema a me ka ʻoihana
I loko o ke ao ākea o ka noiʻi ʻepekema a me ka hana ʻoihana, ua like ke kinoea maʻamau me kahi koa leo ʻole ma hope o nā hiʻohiʻona, e pāʻani ana i kahi kuleana koʻikoʻi. ʻAʻole ia he ākea wale nō o nā noi, akā hōʻike pū kekahi i kahi manaʻolana ʻoihana hoʻohiki. ʻO ke kinoea maʻamau kahi hui kinoea me kahi concen i ʻike pono ʻia...E heluhelu hou aku -
Ua hoʻohana mua ʻia ka helium no ka pahū ʻana i nā pōpō, akā ua lilo ia i kekahi o nā kumuwaiwai kakaikahi loa o ka honua. He aha ka pono o ka helium?
ʻO ka Helium kekahi o nā kinoea kakaikahi i ʻoi aku ka māmā ma mua o ka ea. ʻOi aku ka mea nui, he paʻa loa ia, ʻaʻohe kala, ʻaʻohe ʻala a ʻaʻohe mea ʻino, no laila he koho maikaʻi loa ia e hoʻohana ai e pahū i nā pōpō e lana ponoʻī ana. I kēia manawa ua kapa pinepine ʻia ka helium he "gas rare earth" a i ʻole "golden gas". ʻO ka Helium ...E heluhelu hou aku -
ʻO ka wā e hiki mai ana o ka hoʻōla ʻana o ka Helium: Nā hana hou a me nā pilikia
He waiwai koʻikoʻi ka Helium no nā ʻoihana like ʻole a ke kū nei i nā hemahema ma muli o ka lako palena a me ke koi nui. Ke Koʻikoʻi o ka Hoʻōla Helium He mea nui ka Helium no nā noi mai ke kiʻi lapaʻau a me ka noiʻi ʻepekema a hiki i ka hana ʻana a me ka ʻimi ʻana i ka lewa....E heluhelu hou aku
