Nūhou

Me ka hoʻomaikaʻi mau ʻana o ka hoʻohui ʻana o nā mea pono kamepiula, ke lilo nei ke kūlana o ka hoʻopuehu wela i mea nui aʻe. Hoʻohui kahi ʻāpana i ka nui o kahi kui i ka nui o nā transistors he ʻumi miliona. ʻO ke ʻano o...

ʻO ka puhi ʻana o Catalytic kahi hopena oxidation piha o ka wahie ma luna o ka ʻili o ka catalyst. I ka wā o ka hopena puhi catalytic, hana nā reactants i nā radical free surface haʻahaʻa-ikehu ma luna o ka ʻili o ka catalyst, hoʻoulu i ka vibratio...

Loaʻa i nā mea huʻa metala nā porosity like ʻole (70%-98%), ka nui o ka pore (100u-1000u) a me ka pololei o ka kānana ʻana. ʻOkoʻa nā hakahaka o ka mea kānana metala hua mai nā mea kānana metala sintered. ʻO nā lua ma waena ...

He aha ka ʻokoʻa ma waena o nā huʻa metala ʻelua, ka huʻa keleawe a me ka huʻa nickel? 1. Nā ʻano a me nā pono o ka huʻa keleawe ʻO ka mea mua, e nānā kākou i ke kaʻina hana a me nā ʻano o ke keleawe i hoʻopū ʻia; i loko o ke kūkulu ...

E like me kā kākou e ʻike nei, ʻo nā mea e like me ka huʻahuʻa, ka palakiko i hoʻopūʻia, ka laholio a me ka lāʻau i koho pinepine ʻia e like me nā mea hoʻoluʻu a me nā mea kūʻē i ke kuʻi ʻana i ke ola maoli. Ma ke ʻano he hoʻokahi o nā mea metala porous, he aha nā pono o kona omo ikehu a...

ʻO ka hoʻoheheʻe ʻana o ka wela o ke keʻena mahu hakahaka he ʻano hoʻoheheʻe wela hou ia. Hiki ke manaʻo ʻia ua hoʻomohala ʻia ke keʻena mahu hakahaka ma ke kumu o ka paipu wela. ʻOiai hiki i ka paipu wela ke kōkua i ka hoʻokuʻu ʻia ʻana o ka wela...

Loaʻa i ka huʻa hao nā ʻano o ka ʻili ākea nui, ka ductility maikaʻi a me ke conductivity thermal kiʻekiʻe, a he mau waiwai hydromechanical maikaʻi. Loaʻa iā ia nā pono koʻikoʻi loa i nā hopena catalytic o nā kinoea a me nā wai. I loko ...

E like me kā kākou e ʻike nei, he kumu kukui kiʻekiʻe ka LED, a makemake nui ʻia e nā mea hoʻolālā ma muli o kona liʻiliʻi. Akā hiki ke kapa ʻia lākou he "liʻiliʻi" ke ʻole ka hoʻokele wela. ʻOiai ke hoʻohālikelike ʻia me nā kukui incandescent,...

ʻElima mau palena nui o ka mea metala huʻa: 1. ʻO ka substrate metala, ʻo ia hoʻi, ʻo ia ka mea metala i hana ʻia ai ka mea huʻa metala porous, me ka nickel hua, ke keleawe, ka hao, ka hao-nickel alloy, ke keleawe-nickel alloy, a me ka ʻili hea ...

Nā hoʻohana o ka alumini porous poepoe ʻO ka alumini porous poepoe kahi mea metala e loaʻa ana kahi nui, kahi nui o ka nui o ka pore a me kahi porosity i loko o ka matrix alumini. He ʻano hou ia o ka hoʻolālā aloha kaiapuni...

Hoʻohana nui ʻia ka huʻa metala ma ke kahua olaola e hana i nā iwi hana; eia kekahi, hiki ke hoʻohana ʻia ka huʻa metala ma ke kahua o nā mea pila, e hoʻonui nui ana i ka nui o ka ikehu o nā pila. Eia kekahi, ma ke kahua koa, ...

Haʻahaʻa haʻahaʻa a me ke kaumaha māmā: ʻo ka pae density he 0.5-1.1g/cm3, hoʻohālikelike ʻia me ka alumini paʻa, ʻo ka density haʻahaʻa loa ma kahi o 25% o ka alumini; Ke kūpaʻa wela: hiki i ka mahana hana ke hiki i 300 ℃; Ke kūpaʻa hopena: ʻaʻole like me ke kuhikuhi ...