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Papa PP pale ahi
ʻO ka papa PP pale ahi e pili ana i ka plastik PP me ka lapalapa ahi, a hiki ke hele i ka hoʻāʻo ROHS, ʻaʻohe alakaʻi, chromium, mercury a me nā metala kaumaha ʻeono.ʻO ka polypropylene he mea ʻawaʻawa ʻole, ʻaʻala ʻole, ʻono ʻole ka waiū keʻokeʻo keʻokeʻo keʻokeʻo polymer kiʻekiʻe, ʻo 0.90 wale nō -" 0.91g /cm3, ʻo ...Heluhelu hou aku -
Hoʻohana ʻia nā pepa polyethylene i nā noi ʻenehana he nui
ʻO nā pā polyethylene kēia no ka mea, ua ālai nā kaulahao molekala i ko lākou photocrystals i kekahi manawa, e waiho ana i kahi ʻāpana amorphous nui i loko o ka biomolecule, hiki i nā pā polyethylene ke komo i ka nui o ka ikehu kinetic.Wahi a ka kuhikuhi, hoʻohana ʻia ke ala astm-D256 e hoʻoholo ai i ka hopena o ka co...Heluhelu hou aku -
Ka hoʻohana ʻana i ka papa paving polyethylene ikaika
Hoʻokomo wikiwiki, hoʻemi i ka uku hana.Hāʻawi i nā pilina wikiwiki a paʻa.Hiki ke hoʻohana no ka manawa lōʻihi a mālama i ke kumukūʻai.Kaiapuni paa, hiki ke hoohana hou ia.ʻO nā pavers polythene kahi hoʻonā alanui pōkole maikaʻi a hiki ke hoʻohana nui ʻia no kēlā me kēia papahana.Papa paving polyethylene...Heluhelu hou aku -
ʻO ka hale hana hana papa polyethylene me Boron
ʻO ka mānoanoa o ka papa boron-polyethylene he 2cm-30cm.ʻO kāna kahua ʻenehana ʻo ia ka noi ʻenehana nuklea no ka pale ʻana i ka radiation ionizing.Hoʻohana ʻia ka papa Boron-polyethylene no ka pale ʻana i nā neutrons wikiwiki o ka neutron radiation field, neutron a me Y mixed radiation field i ke kula o ka ionizing radi...Heluhelu hou aku -
ʻokoʻa ka papa PE a me ka papa PP
1. Nā ʻokoʻa i ka noi.E hoʻohana i ka pālākiō PE: hoʻohana nui ʻia i ka ʻoihana kemika, ka mīkini, ka ʻoihana kemika, ka mana uila, ka lole, ka ʻeke, ka meaʻai a me nā hana ʻē aʻe.Hoʻohana nui ʻia i ka lawe ʻana i ke kinoea, ka lako wai, ka ʻili wai, ka irrigation mahiʻai, ka mining fine particle solid transpor...Heluhelu hou aku
