-
Kākoʻo kumu kūʻai liʻiliʻi a me ka ulu lohi o ka noi, ma hea kahi e hele ai ka mākeke PC?
1、 Hāʻawi ka mālama ʻaoʻao i ka ulu ʻana o ka mākeke ʻimi I ka waena a i ka hopena o Malaki, me ka hoʻokuʻu ʻana o ka nūhou mālama no nā polokalamu PC lehulehu e like me Hainan Huasheng, Shengtong Juyuan, a me Dafeng Jiangning, aia nā hōʻailona maikaʻi ma ka ʻaoʻao hoʻolako o ka mākeke. Ua alakaʻi kēia ʻano i kahi ʻumi ...Heluhelu hou aku -
Ke piʻi nei nā kumukūʻai o ka mākeke MMA, me ka lako paʻa i lilo i mea hoʻokele nui
1、 Nānā Makeke: Piʻi nui ke kumu kūʻai Ma ka lā kūʻai mua ma hope o ka Qingming Festival, ua loaʻa i ke kumu kūʻai o ka methyl methacrylate (MMA) ka piʻi nui. Ua lele ka ʻōlelo mai nā ʻoihana ma Kina Hikina i 14500 yuan / ton, kahi hoʻonui o 600-800 yuan / ton i hoʻohālikelike ʻia ...Heluhelu hou aku -
ʻIke ʻana i ka mākeke o Bisphenol A: ʻOi aku ka nui o nā huahana kūloko, Pehea e hiki ai i ka ʻoihana ke haki?
ʻO M-cresol, ka mea i ʻike ʻia he m-methylphenol a i ʻole 3-methylphenol, he mea hoʻohui pū me ke ʻano kemika C7H8O. Ma ka lumi wela, ʻo ia ka mea maʻamau he wai kala ʻole a māmā paha, hiki ke hoʻoheheʻe ʻia i loko o ka wai, akā hiki ke hoʻoheheʻe ʻia i nā solvents e like me ka ethanol, ether, sodium hydroxide, a he flammability ...Heluhelu hou aku -
Ka nānā ʻana i ke kumu hoʻolako a me ke koi, ke ʻano o ke kumukūʻai, a me ka hiki ke ulu o ka mākeke meta cresol, me kahi ʻano maikaʻi holoʻokoʻa i ka wā e hiki mai ana.
ʻO M-cresol, ka mea i ʻike ʻia he m-methylphenol a i ʻole 3-methylphenol, he mea hoʻohui pū me ke ʻano kemika C7H8O. Ma ka lumi wela, ʻo ia ka mea maʻamau he wai kala ʻole a māmā paha, hiki ke hoʻoheheʻe ʻia i loko o ka wai, akā hiki ke hoʻoheheʻe ʻia i nā solvents e like me ka ethanol, ether, sodium hydroxide, a he flammability ...Heluhelu hou aku -
He pahū ka propylene oxide?
ʻO ka propylene oxide he wai aniani ʻaʻohe waihoʻoluʻu me kahi ʻala hoʻonāukiuki ikaika. He mea hiki ke puhi a pahū me kahi haʻahaʻa paila a me ka volatility kiʻekiʻe. No laila, pono e lawe i nā hana palekana i ka wā e hoʻohana ai a mālama ʻia. ʻO ka mea mua, ʻo ka propylene oxide he fla...Heluhelu hou aku -
Pehea ke kuai ana o propylene?
He ʻano ʻolefin ka propylene me ke ʻano molekala o C3H6. ʻAʻohe waihoʻoluʻu a ʻākala, me ka mānoanoa o 0.5486 g/cm3. Hoʻohana nui ʻia ka propylene i ka hana ʻana o ka polypropylene, polyester, glycol, butanol, etc., a ʻo ia kekahi o nā mea waiwai nui i ka ʻoihana kemika. Ma ka hoʻolaha ...Heluhelu hou aku -
Pehea ʻoe e hana ai i ka propylene oxide mai ka propylene?
ʻO ka hoʻololi ʻana o ka propylene i loko o ka propylene oxide he kaʻina hana paʻakikī e pono ai ka hoʻomaopopo piha ʻana i nā mīkini hoʻololi kemika. Hoʻopili kēia ʻatikala i nā ʻano hana like ʻole a me nā ʻano hopena e pono ai no ka synthesis o propylene oxide mai propylene. ʻO ka mea nui loa ...Heluhelu hou aku -
Ka nānā ʻana o ka mākeke epoxy propane o Kina: ka hoʻonui ʻana i ka pālākiō, kūʻē i ka hoʻolako-koi, a me nā hoʻolālā hoʻomohala e hiki mai ana.
1、 ʻO ka ulu wikiwiki ʻana o ka ʻoihana epoxy propane pālākiō Epoxy propane, ma ke ʻano he alakaʻi hoʻonui nui o nā kemika maikaʻi i lalo i ke kaulahao ʻoihana propylene, ua loaʻa ka manaʻo like ʻole i ka ʻoihana kemika Kina. ʻO kēia ma muli o kona kūlana koʻikoʻi i nā kemika maikaʻi a ...Heluhelu hou aku -
Pehea lākou e hana ai i ka propylene oxide?
ʻO ka propylene oxide kahi ʻano mea koʻikoʻi koʻikoʻi kemika a me ka waena. Hoʻohana nui ʻia ia i ka synthesis o polyether polyols, polyester polyols, polyurethane, polyether amine, etc., a he mea waiwai nui ia no ka hoʻomākaukau ʻana i nā polyester polyols, he mea nui ...Heluhelu hou aku -
Hiki i ka propylene oxide ke hana me ka wai?
ʻO ka propylene oxide he wai waihoʻoluʻu a ʻākala me ke ʻano molekala o C3H6O. Hiki ke hoʻoheheʻe ʻia i loko o ka wai a he 94.5°C kona wahi e hoʻolapalapa ai. ʻO ka propylene oxide kahi mea kemika hoʻoheheʻe e hiki ke hana me ka wai. Ke hoʻopili ʻia ka propylene oxide i ka wai, e hana ʻia ka hopena hydrolysis i ...Heluhelu hou aku -
He mea synthetic ka propylene oxide?
ʻO ka propylene oxide he mea hoʻohana nui kemika, i hoʻohana nuiʻia i ka hanaʻana i nā polyether polyols, polyurethanes, surfactants, etc. Aia...Heluhelu hou aku -
He aha ka propylene oxide e hoʻohana ai?
ʻO ka propylene oxide, ka mea maʻamau i kapa ʻia ʻo PO, he pūhui kemika i hoʻohana nui ʻia i ka ʻoihana a me ke ola o kēlā me kēia lā. He mole kalapona ʻekolu ia me kahi ʻātoma oxygen i pili i kēlā me kēia kalapona. Hāʻawi kēia ʻano hana ʻokoʻa i ka propylene oxide i kāna mau waiwai kūʻokoʻa a me ka versatility. ʻO kekahi o nā m...Heluhelu hou aku
-
Kelepona
-
leka uila
-
Whatsapp
-
luna
