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Nūhou ʻOihana

  • Ka Hoʻohana ʻana o nā Surfactants i ke Kūkulu ʻana i ka Alanui Asphalt

    Ka Hoʻohana ʻana o nā Surfactants i ke Kūkulu ʻana i ka Alanui Asphalt

    He nui nā noi o nā Surfactants i ke kūkulu ʻana i ka pavement asphalt, ʻo ia hoʻi nā ʻano penei: 1. Ma ke ʻano he mau mea hoʻohui hui mahana (1) ʻAno hana o ka hana ʻO nā mea hoʻohui hui mahana he ʻano surfactant (e laʻa, nā mea hoʻohui hui mahana ʻano APTL) i haku ʻia me nā hui lipophilic a me hydrophilic ...
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  • He aha nā kumumanaʻo ma hope o nā hana emulsifying a me solubilizing o nā surfactants?

    He aha nā kumumanaʻo ma hope o nā hana emulsifying a me solubilizing o nā surfactants?

    ʻO ke au e ulu mau nei o nā surfactants honua e hāʻawi ana i kahi ʻano kūwaho maikaʻi no ka hoʻomohala ʻana a me ka hoʻonui ʻana o ka ʻoihana hoʻonaninani, kahi e kau ai i nā koi kiʻekiʻe aʻe ma ka hoʻonohonoho huahana, nā ʻano like ʻole, ka hana, a me ka ʻenehana. No laila, he mea nui e hoʻonohonoho...
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  • He aha kāu e ʻike ai e pili ana i nā demulsifiers aila maka

    He aha kāu e ʻike ai e pili ana i nā demulsifiers aila maka

    ʻO ke kumu o ke ʻano o nā demulsifiers aila maka e pili ana i ke kumumanaʻo hoʻoili-pae-hoʻohuli-hoʻololi. Ma ka hoʻohui ʻana o kahi demulsifier, hana ʻia kahi hoʻololi pae: hiki i nā surfactants ke hana i kahi ʻano emulsion e kūʻē i ka mea i hana ʻia e ka emulsifier (i ʻike ʻia ʻo nā demulsifiers hoʻohuli-pae) ke hele mai...
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  • He aha nā mea e kōkua ai i ke kūpaʻa o ka emulsion

    He aha nā mea e kōkua ai i ke kūpaʻa o ka emulsion

    Nā Kumu e Hoʻomalu ana i ke Kūpaʻa o nā Emulsions​ Ma nā noi hana, ʻo ke kūpaʻa o kahi emulsion e pili ana i ka hiki o nā kulu pae hoʻopuehu ke kū i ka coalescence. Ma waena o nā ana no ke ana ʻana i ke kūpaʻa o ka emulsion, ʻo ka wikiwiki o ka coalescence ma waena o nā kulu i hoʻopuehu ʻia he mea nui loa ia; hiki ke d...
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  • He aha nā noi o nā surfactants nonionic

    He aha nā noi o nā surfactants nonionic

    ʻO nā surfactants Nonionic kahi papa o nā surfactants ʻaʻole i ionize i loko o nā hopena wai, ʻoiai ʻaʻohe hui i hoʻopiʻi ʻia i ko lākou mau ʻano molekala. Ke hoʻohālikelike ʻia me nā surfactants anionic, hōʻike nā surfactants nonionic i nā hiki ke emulsifying, wetting, a me ka hoʻomaʻemaʻe maikaʻi loa, me ka hoʻomanawanui wai paʻakikī maikaʻi loa...
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  • He aha nā amines momona, a he aha kā lākou noi

    He aha nā amines momona, a he aha kā lākou noi

    ʻO nā amine momona e pili ana i kahi māhele ākea o nā hui amine organik me nā lōʻihi kaulahao kalapona mai C8 a C22. E like me nā amine laulā, ua hoʻokaʻawale ʻia lākou i ʻehā mau ʻano nui: nā amine mua, nā amine lua, nā amine tertiary, a me nā polyamines. ʻO ka ʻokoʻa ma waena o ke kumu mua, lua, a me ka tert...
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  • He aha nā hoʻokaʻawale ʻana o nā mea palupalu lole?

    He aha nā hoʻokaʻawale ʻana o nā mea palupalu lole?

    ʻO kahi mea palupalu he ʻano kemika e hiki ke hoʻololi i nā coefficient friction static a me dynamic o nā fibers. Ke hoʻololi ʻia ka coefficient friction static, lilo ka manaʻo tactile i laumania, e ʻae ana i ka neʻe maʻalahi ma waena o nā fibers a i ʻole ka lole. Ke hoʻonui ʻia ka coefficient friction dynamic...
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  • He aha nā noi o ka flotation

    He aha nā noi o ka flotation

    ʻO ka hoʻomaikaʻi ʻana i ka ʻaihao he hana hana e hoʻomākaukau ai i nā mea maka no ka hoʻoheheʻe ʻana i ka metala a me ka ʻoihana kemika, a ua lilo ka flotation froth i ke ʻano hoʻomaikaʻi koʻikoʻi loa. Hiki ke hoʻokaʻawale ʻia nā kumuwaiwai mineral āpau me ka hoʻohana ʻana i ka flotation. I kēia manawa, hoʻohana nui ʻia ka flotation ma ka...
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  • He aha ka lana ʻana?

    He aha ka lana ʻana?

    ʻO ka flotation, i ʻike ʻia hoʻi ʻo froth flotation a i ʻole mineral flotation, he ʻano hana hoʻomaikaʻi e hoʻokaʻawale i nā minelala waiwai mai nā minelala gangue ma ka interface gas-liquid-solid ma o ka hoʻohana ʻana i nā ʻokoʻa o nā waiwai o nā minelala like ʻole i loko o ka ore. Ua kapa ʻia hoʻi ʻo "...
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  • He aha nā hana o nā surfactants i nā mea hoʻonani?

    He aha nā hana o nā surfactants i nā mea hoʻonani?

    He mau mea ʻo Surfactants me kahi ʻano kemika kū hoʻokahi a hoʻohana nui ʻia i ka ʻoihana hoʻonaninani. Hana lākou ma ke ʻano he mau mea kōkua i nā ʻano hoʻonaninani—ʻoiai ua hoʻohana ʻia i nā liʻiliʻi liʻiliʻi, he kuleana koʻikoʻi kā lākou. Loaʻa nā Surfactants i ka hapa nui o nā huahana, me ka holoi maka...
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  • He aha kāu e ʻike ai e pili ana i nā polymer surfactants

    He aha kāu e ʻike ai e pili ana i nā polymer surfactants

    1. Nā Manaʻo Kumu o nā Polymer Surfactants Pili nā polymer surfactants i nā mea me ke kaumaha molekala e hiki ana i kahi pae (maʻamau mai 103 a 106) a loaʻa iā lākou kekahi mau waiwai hana-ʻili. Ma ke ʻano kūkulu, hiki ke hoʻokaʻawale ʻia i loko o nā block copolymers, graft copolymers, a me...
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  • No ke aha e hoʻonui ai ka nui o ka surfactant i ka hoʻokumu ʻana o ka huʻa nui?

    No ke aha e hoʻonui ai ka nui o ka surfactant i ka hoʻokumu ʻana o ka huʻa nui?

    Ke komo ka ea i loko o kahi wai, ʻoiai ʻaʻole ia e hoʻoheheʻe ʻia i ka wai, ua māhele ʻia ia i loko o nā pehu he nui e ka wai ma lalo o ka ikaika o waho, e hana ana i kahi ʻōnaehana heterogeneous. Ke komo ka ea i loko o ka wai a hana i ka huʻa, piʻi ka wahi pili ma waena o ke kinoea a me ka wai, a ʻo ka ikehu manuahi o ka ʻōnaehana pū kekahi...
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