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Ua makemake ʻo Kina e kaohi i ka hoʻokuʻu ʻia ʻana o ka honua, akā ua kāpae ʻia e nā ʻāina like ʻole. No ke aha i hiki ole ai?
Ua makemake ʻo Kina e kaohi i ka hoʻokuʻu ʻia ʻana o ka honua, akā ua kāpae ʻia e nā ʻāina like ʻole. No ke aha i hiki ole ai? I ka honua hou, me ka wikiwiki o ka hoʻohui honua, e pili kokoke ana nā pilina ma waena o nā ʻāina. Ma lalo o kahi mālie, ka pilina ma waena o ka...Heluhelu hou aku -
He aha ka tungsten hexabromide?
E like me ka tungsten hexachloride (WCl6), ʻo ka tungsten hexabromide kekahi pūhui inorganic i haku ʻia me ka tungsten metala a me nā mea halogen. ʻO ka valence o ka tungsten he + 6, nona nā waiwai kino a me nā kemika maikaʻi a hoʻohana nui ʻia i ka ʻenekinia kemika, catalysis a me nā māla ʻē aʻe. ʻAʻole...Heluhelu hou aku -
Hoʻopau Metala – Gallium
Aia kekahi ʻano metala he kupua loa. I ke ola o kēlā me kēia lā, ʻike ʻia ia ma ke ʻano wai e like me ka mercury. Inā hāʻule ʻoe ma luna o ke kini, e kāhāhā ana ʻoe i ka lilo ʻana o ka ʻōmole i mea palupalu e like me ka pepa, a nahā ia me ka poke wale. Eia kekahi, e hāʻule ana ma luna o nā metala e like me ke keleawe a me ka hao ...Heluhelu hou aku -
Wehe i ka Galium
ʻO ka unuhi ʻana o Gallium Gallium me he ʻāpana tin i ka lumi wela, a inā makemake ʻoe e paʻa i loko o kou poho lima, hehee koke ia i loko o nā lei kālā. Ma mua, haʻahaʻa loa ka helu heheʻe o ka galium, 29.8C wale nō. ʻOiai he haʻahaʻa loa ka helu heheʻe o ka gallium, ʻo kona wahi paila he...Heluhelu hou aku -
ʻO ka hoʻokō ʻana i nā kaʻina kaohi ʻana o ka honua, ka hoʻokuʻu ʻana i nā lula hou e nā hui hoʻolako kaulahao, nā media haole: He mea paʻakikī i ke Komohana ke hoʻopau iā ia!
ʻO nā chips ka "naʻau" o ka ʻoihana semiconductor, a ʻo nā chips kekahi ʻāpana o ka ʻoihana ʻenehana kiʻekiʻe, a ʻike mākou i ke kumu o kēia ʻāpana, ʻo ia ka hoʻolako ʻana i nā mea ʻenehana honua. No laila, i ka wā e hoʻonohonoho ai ʻo ʻAmelika i ka papa ma hope o ka papa o nā pale ʻenehana, hiki iā mākou ke ...Heluhelu hou aku -
Hōʻike ʻo 2023 Kina Paikikala Hōʻikeʻike 1050g Next Generation Metal Frame
Source: CCTIME Flying Elephant Network United Wheels, United Weir Group, me ALLITE super rare earth magnesium alloy a me FuturuX Pioneer Manufacturing Group, i hōʻike ʻia ma ka 31 China International Bicycle Show ma 2023. Ke alakaʻi nei ʻo UW a me Weir Group i kā lākou VAAST Bikes a me BATCH Bike. ...Heluhelu hou aku -
E noʻonoʻo paha ʻo Tesla Motors e hoʻololi i nā Magnets Rare Earth me nā Ferrites Haʻahaʻa
Ma muli o ka hoʻolako ʻana i nā kaulahao a me nā pilikia kaiapuni, ke hana ikaika nei ka ʻoihana powertrain o Tesla e wehe i nā mea hoʻokalakupua honua mai nā kaʻa a ke ʻimi nei i nā hopena ʻē aʻe. ʻAʻole i hoʻokumu ʻo Tesla i kahi mea magnet hou loa, no laila hiki ke hana me ka ʻenehana i kēia manawa, e like me ...Heluhelu hou aku -
He aha nā huahana honua ʻokoʻa ma Kina?
(1) ʻAʻole loaʻa wale nā waihona waiwai nui o Kina a me nā ʻano mineral piha, akā hoʻolaha nui ʻia ma 22 mau panalāʻau a me nā ʻāpana o ka ʻāina. I kēia manawa, ʻo nā waihona ʻāina laha ʻole e ʻimi nui ʻia nei, ʻo ia ka hui Baotou ...Heluhelu hou aku -
Ea oxidation kaawale o ka cerium
ʻO ke ʻano o ka hoʻoheheʻe ʻana o ka ea he ʻano hana hoʻokahe e hoʻohana ai i ka oxygen i ka lewa e hoʻoheheʻe i ka cerium i tetravalent ma lalo o kekahi mau kūlana. ʻO kēia kaʻina hana maʻamau e pili ana i ka hoʻomoʻa ʻana i ka fluorocarbon cerium ore concentrate, nā oxalates honua laha, a me nā carbonates i ka ea (i ʻike ʻia ʻo ka ʻoki ʻana ʻana)Heluhelu hou aku -
Hōʻike Kūʻai Kūʻai Kūʻai ʻAha Lahaʻi (Mei 8, 2023)
Ka helu kumu kūʻai o kēia lā: 192.9 Helu helu helu: Ua haku ʻia ka papa kuhikuhi kumu kūʻai o ka honua i nā ʻikepili kālepa mai ka wā kumu a me ka manawa hōʻike. Hoʻokumu ʻia ka manawa kumu ma ka ʻikepili kālepa mai ka makahiki holoʻokoʻa o 2010, a ʻo ka manawa hōʻike e pili ana i ka awelika o kēlā me kēia lā ...Heluhelu hou aku -
Loaʻa ka mana nui no ka hana hou ʻana a me ka hoʻohana hou ʻana i nā mea honua laha
I kēia mau lā, ua hoʻolaha ʻo Apple e hoʻohana hou aku i nā mea waiwai o ka honua i hoʻohana hou ʻia i kāna mau huahana a ua hoʻonohonoho i kahi papa kuhikuhi kikoʻī: ma 2025, e hoʻokō ka hui i ka hoʻohana ʻana i ka 100% recycled cobalt i nā pākahi a pau i hoʻolālā ʻia e Apple; ʻO nā magnet i loko o nā lako huahana e hoʻopau loa ʻia ...Heluhelu hou aku -
Ua hāʻule nā kumukūʻai metala laha ʻole
Ma ka lā 3 o Mei, 2023, ua hōʻike ka helu mahina metala o nā ʻāina laha ʻole i kahi emi nui; I ka mahina i hala aku nei, ua hōʻike ka hapa nui o nā ʻāpana o ka AGmetalminer rare earth index; Hiki paha i ka papahana hou ke hoʻonui i ka hoʻohaʻahaʻa i nā kumu kūʻai o ka honua. Ua ʻike ʻia ka MMI o ka honua koʻikoʻi (kahi helu metala mahina) ...Heluhelu hou aku