E ʻike nā hoa makaʻala e loaʻa i ka hapa nui o nā ʻōmole plastik nā helu a me kekahi mau hiʻohiʻona maʻalahi ma luna o lākou, no laila he aha ke ʻano o kēia mau helu?“01″: ʻOi aku ka maikaʻi o ka hoʻolei ʻana ma hope o ka inu ʻana, pale i ka wela a hiki i 70°C.Hoʻohana maʻamau i nā mea inu ʻōmole e like me ka wai mineral a me ka carbonated ...
ʻO nā huahana plastik hou i kūʻai ʻia i kekahi manawa he ʻala ikaika a nāwaliwali paha, ʻaʻole i ʻae ʻia e nā poʻe he nui, no laila pehea e wehe ai i kēia mau ʻala?1. E waiho i loko o kahi ea a maloʻo ka lā.E hoʻoneʻe ʻia kekahi o ka ʻono, akā hiki ke lilo i melemele.2. E hoʻomaʻemaʻe i loko o ke kīʻaha me ka de...
Ua hoʻi au i koʻu ʻāina hānau i ʻelua lā i hala aku nei, no ka mea, ua hoʻohana wau i ke ʻano ʻoki kea ʻaʻole i hoʻohana ʻia e koʻu makuahine i ka nakinaki ʻana i ka ʻeke plastik, a he mea paʻakikī ia i koʻu makuahine e wehe iā ia no kekahi manawa.I ka hopena, ua pau koʻu wā kamaliʻi me ka ʻeke plastik,,, Nui nā ala e hiki ai ke nakinaki i nā ʻeke plastik, a aneane ...
I kēia manawa ke kākoʻo nei nā mea a pau i ka hoʻokaʻawale ʻōpala.ʻO ka hoʻokaʻawale ʻana i ka ʻōpala e pili ana i ka huaʻōlelo maʻamau no nā ʻano hana kahi e hoʻokaʻawale ʻia ai ka ʻōpala, mālama ʻia, waiho ʻia a lawe ʻia e like me kekahi mau lula a i ʻole nā maʻamau, a laila e hoʻohuli ʻia i nā waiwai lehulehu.No laila he aha ke ʻano o ka garba ...
Inā mākou e hele i ka hale ʻaina kakahiaka a i ʻole e kauoha i ka lawe ʻana, ʻike pinepine mākou i kēia ʻano: ʻoki akamai ka luna i kahi ʻeke plastik, a laila kau ma luna o ke kīʻaha, a hoʻokomo koke i ka meaʻai i loko.ʻOiaʻiʻo, aia kahi kumu no kēia.: Hoʻopili pinepine ʻia ka meaʻai me ka ʻaila.Inā pono e hoʻomaʻemaʻe ʻia, ʻo ia ...
He conductor a insulator paha ka plastic?ʻO ka mea mua, e hoʻomaopopo kākou i ka ʻokoʻa ma waena o nā mea ʻelua: ʻO ka conductor kahi mea i loaʻa kahi pale liʻiliʻi a hoʻokele maʻalahi i ka uila.ʻO ka insulator kahi mea i hoʻolele ʻole i ka uila ma lalo o nā kūlana maʻamau.ʻO ke ʻano ...
ʻO kā mākou plastic plastics crystalline a i ʻole amorphous?ʻO ka mea mua, pono mākou e hoʻomaopopo i ka ʻokoʻa koʻikoʻi ma waena o ka crystalline a me ka amorphous.ʻO nā kristal he mau ʻātoma, nā ion a i ʻole nā molekole i hoʻonohonoho ʻia ma ka lewa e like me kahi manawa manawa e hana ai i kahi paʻa me kekahi s geometric maʻamau ...
ʻO nā waiwai like ʻole o nā plastics e hoʻoholo i kona hoʻohana ʻana i ka ʻoihana.Me ka holomua o ka ʻenehana, ʻaʻole i pau ka noiʻi ʻana i ka hoʻololi ʻana i ka plastic.He aha nā hiʻohiʻona nui o nā plastic?1. ʻO ka hapa nui o nā plastics he māmā i ke kaumaha, paʻa kemika, ʻaʻole e popo;2. Ka hopena maikaʻi r...
He elasticity maikaʻi ka pepa a me ka paʻakikī, hiki ke hāʻawi i ka pale maikaʻi i ka mea i hoʻopili ʻia;ʻAʻole pili ka pepa i ka wela a me ka māmā, e like me ka meaʻai olakino a me ka lāʻau lapaʻau, ʻo ka pepa kahi mea hoʻopili kuʻuna, a kūpono loa ia no ka poʻe makemake e kiʻi kūlohelohe ʻO kēlā huahana ...
ʻO ka pepa hōʻaiʻai meaʻai he huahana hoʻopili me ka pulp a me ka pahu pahu ma ke ʻano he kumu kumu.Ponoʻo ia e hoʻokō i nā koi o ka meaʻawaʻawaʻole, kaʻaila-pale, ka waiʻole a me ka moisture-proof, sealing, a me nā mea'ē aʻe, a me ka pepa i hoʻohanaʻia no ka hoʻopiliʻana i nā meaʻai e kūpono i nā koi palekana o ka meaʻai.B...
Loaʻa i nā kala Achromatic ka waiwai noʻonoʻo like me nā kala chromatic.ʻO ka ʻeleʻele a me ke keʻokeʻo e hōʻike ana i nā pou yin a me yang o ka honua kala, ʻo ka ʻeleʻele ke ʻano he mea ʻole, e like me ka noho mālie mau loa, a ʻo ke keʻokeʻo he mau mea pau ʻole.1. ʻEleʻele: Mai kahi manaʻo o ka manaʻo, ʻo ka ʻeleʻele ke ʻano ʻaʻohe kukui a i ...
ʻO ka Dispersant kahi mea kōkua maʻamau i hoʻohana ʻia i ka toner, e kōkua ana i ka pulu i ka puaʻa, e hōʻemi i ka nui o ka nui o ka puaʻa, a hoʻonui i ka pilina ma waena o ka resin a me ka puaʻa, a laila e hoʻomaikaʻi ai i ka launa ʻana ma waena o ka puaʻa a me ka resin carrier, a hoʻomaikaʻi. ka hoʻopuehu ʻana...
