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  • He aha ka hana a ka waʻa graphite PECVD? | Ikehu VET

    He aha ka hana a ka waʻa graphite PECVD? | Ikehu VET

    ʻO ka mea a me ke ʻano o ka waʻa graphite ʻO ka Waʻa Graphite kahi lako hana wela kiʻekiʻe, kahi i hana pinepine ʻia me ka mea graphite maʻemaʻe kiʻekiʻe a mālama ʻia me SiC (silicon carbide) a i ʻole TaC (tantalum carbide) ʻili uhi e hoʻomaikaʻi i ka oxidation r o nā lako holoʻokoʻa ...
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  • ʻEnehana kumu o ka hoʻokaʻawale ʻana o ka mahu kemika i hoʻonui ʻia e ka plasma (PECVD)

    1. Nā kaʻina hana nui o ka hoʻonui ʻia ʻana o ka plasma i ka hoʻonui ʻia ʻana o ka plasma i ka vapor deposition (PECVD) he ʻenehana hou no ka ulu ʻana o nā kiʻiʻoniʻoni lahilahi ma o ka hopena kemika o nā mea kinoea me ke kōkua o ka plasma glow discharge. No ka mea, ua hoʻomākaukau ʻia ka ʻenehana PECVD e ke kinoea d...
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  • He aha ke kumumanaʻo o ke kaʻa wahie hydrogen?

    ʻO ke kelepona wahie kahi ʻano mea hana mana, kahi e hoʻololi ai i ka ikehu kemika i loko o ka wahie i ikehu uila ma o ka hopena redox o ka oxygen a i ʻole nā ​​​​oxidants ʻē aʻe. ʻO ka wahie maʻamau ka hydrogen, hiki ke hoʻomaopopo ʻia ʻo ia ka hopena hope o ka electrolysis wai i ka hydrogen a me ka oxygen. ʻAʻole like me ka rocket...
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  • No ke aha e huki ai ka ikehu hydrogen i ka manaʻo?

    I nā makahiki i hala iho nei, ke paipai nei nā ʻāina a puni ka honua i ka hoʻomohala ʻana o ka ʻoihana ikehu hydrogen i kahi wikiwiki i ʻike ʻole ʻia. Wahi a ka hōʻike i hoʻokuʻu pū ʻia e ka International Hydrogen Energy Commission a me McKinsey, ua hoʻokuʻu aku ma mua o 30 mau ʻāina a me nā ʻāina i ke alanui no ...
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  • Nā waiwai a me nā hoʻohana o ka graphite

    Wehewehe Huahana: graphite He palupalu ka pauka graphite, ʻeleʻele hina, ʻaila a hiki ke hoʻohaumia i ka pepa. ʻO ka paʻakikī he 1-2, a piʻi aʻe i 3-5 me ka hoʻonui ʻia o nā haumia ma ke kuhikuhi kū pololei. ʻO ke kaumaha kikoʻī he 1.9-2.3. Ma lalo o ke kūlana o ka hoʻokaʻawale ʻana o ka oxygen, ʻo kona kiko heheʻe he...
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  • Ua ʻike maoli anei ʻoe i ka pamu wai uila?

    ʻIke mua o ka pamu wai uila ʻO ka pamu wai kahi ʻāpana koʻikoʻi o ka ʻōnaehana mīkini kaʻa. I loko o ke kino cylinder o ka mīkini kaʻa, aia kekahi mau kahawai wai no ke kahe ʻana o ka wai hoʻoluʻu, i hoʻopili ʻia me ka radiator (i ʻike nui ʻia ʻo ka pahu wai) i loko...
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  • Ke piʻi nei ke kumukūʻai o ka electrode graphite i kēia manawa

    ʻO ke kumukūʻai e piʻi nei o nā mea maka ke kumu nui o ka piʻi ʻana o ke kumukūʻai o nā huahana electrode graphite. ke kua o ka pahuhopu "carbon neutralization" aupuni a me ke kulekele palekana kaiapuni koʻikoʻi, manaʻo ka ʻoihana i ke kumukūʻai o nā mea maka e like me ka petroleu...
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  • ʻEkolu mau minuke e aʻo ai e pili ana i ka silicon carbide (SIC)

    Hoʻolauna ʻana o Silicon Carbide ʻO ka nui o ka Silicon carbide (SIC) he 3.2g/cm3. He mea kākaʻikahi loa ka silicon carbide kūlohelohe a ua hana nui ʻia e ke ʻano hana. Wahi a ke ʻano like ʻole o ke ʻano kristal, hiki ke hoʻokaʻawale ʻia ka silicon carbide i ʻelua mau māhele: α SiC a me β SiC...
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  • ʻO ka hui hana Kina-US e hoʻoponopono i nā kapu ʻenehana a me ke kālepa ma ka ʻoihana semiconductor

    I kēia lā, ua hoʻolaha ka China-US Semiconductor Industry Association i ka hoʻokumu ʻia ʻana o ka "China-US semiconductor industry technology and trade restriction working group" Ma hope o kekahi mau kūkākūkā a me nā kūkākūkā ʻana, nā hui ʻoihana semiconductor o Kina a me United Sta...
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