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Hoʻohana ʻia nā ʻāpana polyethylene i nā noi ʻenehana he nui
ʻO nā papa polyethylene kēia no ka mea ke ālai nei nā kaulahao molekala i kā lākou mau photocrystals, e waiho ana i kahi ʻāpana amorphous nui i loko o ka biomolecule, hiki i nā papa polyethylene ke omo i ka nui o ka ikehu kinetic hopena. Wahi a ke kuhikuhi ʻana, hoʻohana ʻia ke ʻano astm-D256 e hoʻoholo ai i ka hopena o ka plastic co...E heluhelu hou aku -
Ka hoʻohana ʻana i ka papa paving polyethylene ikaika
Hoʻouka wikiwiki, hoʻemi i ke kumukūʻai hana. Hāʻawi i nā pilina wikiwiki a palekana. Hiki ke hoʻohana ʻia no ka manawa lōʻihi a mālama i ke kumukūʻai. Kaiapuni paʻa, hiki ke hoʻohana hou ʻia. He hopena alanui maikaʻi nā pavers polythene no ka manawa pōkole a hiki ke hoʻohana nui ʻia no kekahi papahana. Papa paving polyethylene...E heluhelu hou aku -
Hale hana hana papa polyethylene i loaʻa ka boron
ʻO ka mānoanoa o ka papa boron-polyethylene he 2cm-30cm. ʻO kāna kahua loea ka hoʻohana ʻana i ka ʻenehana nukelea o ka pale ʻana i ka radiation ionizing. Hoʻohana ʻia ka papa Boron-polyethylene no ka pale ʻana i nā neutrons wikiwiki o ke kahua radiation neutron, neutron a me ke kahua radiation i hui pū ʻia ʻo Y ma ke kahua o ka radi ionizing...E heluhelu hou aku -
ʻOkoʻa ka papa PE a me ka papa PP
1. Nā ʻokoʻa o ka noi. Unahi hoʻohana papa PE: hoʻohana nui ʻia i ka ʻoihana kemika, mīkini, ʻoihana kemika, mana uila, lole, ʻōpala, meaʻai a me nā ʻoihana ʻē aʻe. Hoʻohana nui ʻia i ka halihali kinoea, ka lako wai, ka wai ʻino, ka hoʻoinu wai mahiʻai, ka lawe ʻana i nā ʻāpana paʻa maikaʻi ...E heluhelu hou aku -
ʻIke mākeke pepa polypropylene (pepa pp), nā hiʻohiʻona o kēia manawa a me nā manaʻolana ulu i ka makahiki 2027
Hōʻuluʻulu ka noiʻi mākeke pepa polypropylene honua (pepa PP) i nā helu helu o kēia manawa a me nā wānana e hiki mai ana o kēia mākeke. Ke nānā nei ka noiʻi i kahi loiloi kikoʻī o ka mākeke, a hōʻike i ke ʻano o ka nui o ka mākeke e pili ana i ka loaʻa kālā a me ka nui, nā mea ulu o kēia manawa, nā manaʻo loea, nā ʻoiaʻiʻo a me...E heluhelu hou aku
