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Ua emi iho ka nui o ka ulu ʻana o ka hoʻopuka ʻana aku o Kina i nā mea hoʻokalakupua mau loa i ʻAmelika Hui Pū ʻIa mai Ianuali a ʻApelila
Mai Ianuali a ʻApelila, ua emi iho ka ulu ʻana o ka hoʻopuka ʻana aku o Kina i nā mea hoʻokalakupua mau loa i ʻAmelika Hui Pū ʻIa. Hōʻike ka hōʻike ʻikepili helu kuʻuna mai Ianuali a ʻApelila 2023, ʻo ka hoʻopuka ʻana o Kina i nā mea hoʻokalakupua paʻa honua i ʻAmelika Hui Pū ʻIa a hiki i 2195 tons, hoʻokahi makahiki ma ka makahiki ...Heluhelu hou aku -
ʻO nā ala pane ulia pōpilikia no ka zirconium tetrachloride Zrcl4
ʻO Zirconium tetrachloride he aniani keʻokeʻo, ʻālohilohi a i ʻole ka pauka i maʻalahi i ka deliquescence. Hoʻohana maʻamau ʻia i ka hana ʻana i ka zirconium metala, nā puaʻa, nā mea hoʻonaninani lole lole, nā mea hoʻonaninani ʻili, a me nā mea ʻē aʻe, aia kekahi mau pōʻino. Ma lalo nei, e ʻae mai iaʻu e hoʻolauna i nā ʻano hana pane ulia pōpilikia o z...Heluhelu hou aku -
Zirconium tetrachloride Zrcl4
1, Breif introduction: Ma ka lumi wela, Zirconium tetrachloride he keʻokeʻo crystalline pauka me ka lattice hale no ka cubic crystal system. ʻO ka mahana sublimation he 331 ℃ a ʻo ka helu hoʻoheheʻe he 434 ℃. ʻO ke kinoea zirconium tetrachloride mole i loaʻa kahi stru tetrahedral ...Heluhelu hou aku -
He aha nā hana physiological o nā ʻāina laha ʻole ma nā mea kanu?
Ua hōʻike ʻia ka noiʻi e pili ana i nā hopena o nā mea ʻano honua ma luna o ka physiology o nā mea kanu e hiki ke hoʻonui i ka nui o ka chlorophyll a me ka helu photosynthetic i nā mea kanu; Hoʻoikaika nui i ka ulu ʻana o nā mea kanu a hoʻolalelale i ka ulu ʻana o ke aʻa; E hoʻoikaika i ka hana hoʻoheheʻe ion a me ka physio...Heluhelu hou aku -
He aha ka cerium oxide? He aha kona mau hoʻohana?
ʻO Cerium oxide, i kapa ʻia ʻo cerium dioxide, loaʻa ke ʻano molekala CeO2. Hiki ke hoʻohana ʻia e like me nā mea polishing, catalysts, UV absorbers, fuel cell electrolytes, automotive exhaust absorbers, electronic ceramics, etc.Heluhelu hou aku -
Hoʻomākaukau ʻana i ka Nano Cerium Oxide a me kāna noi i ka mālama wai
He mea koʻikoʻi ka CeO2 o nā mea honua laha. Loaʻa i ka cerium element cerium kahi hoʻolālā uila kū hoʻokahi - 4f15d16s2. Hiki i kāna papa 4f kūikawā ke mālama pono a hoʻokuʻu i nā electrons, e hana ana nā ion cerium i ka +3 valence state a me +4 valence state. No laila, ʻo CeO2 mater ...Heluhelu hou aku -
ʻEhā mau noi nui o ka nano ceria
ʻO ka Nano ceria he mea liʻiliʻi a hoʻohana nui ʻia ka honua oxide me ka liʻiliʻi liʻiliʻi, ka hāʻawi ʻana i ka nui o ka nui, a me ka maʻemaʻe kiʻekiʻe. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai a me ka alkali, hiki ke hoʻoheheʻe iki ʻia i ka waikawa. Hiki ke hoʻohana ʻia e like me nā mea polishing, catalysts, catalyst carriers (additives), automotive exhaust absorb...Heluhelu hou aku -
Ua hāʻule nā kumu kūʻai o ka honua rare i ʻelua makahiki i hala, a paʻakikī ka mākeke e hoʻomaikaʻi i ka hapa mua o ka makahiki. Ua pau kekahi mau hale hana mea magnetic liʻiliʻi ma Guangdong a me Zhejiang ...
Ua lohi ka noi o lalo, a ua hāʻule nā kumukūʻai o ka honua i ʻelua makahiki i hala. ʻOiai ka piʻi iki ʻana o nā kumukūʻai o ka honua i nā lā i hala iho nei, ua haʻi aku kekahi mau mea hoʻopukapuka ʻoihana i nā mea hoʻolaha ʻo Cailian News Agency ʻo ke kūpaʻa ʻana o nā kumukūʻai o ka honua i kēia manawa ʻaʻole i kākoʻo a hiki ke hui pū ʻia.Heluhelu hou aku -
He aha ka Tellurium dioxide a he aha ka hoʻohana ʻana o Tellurium dioxide?
Tellurium dioxide ʻO Tellurium dioxide he mea hoʻohuihui ʻole, pauka keʻokeʻo. Hoʻohana nui ʻia no ka hoʻomākaukau ʻana i ka tellurium dioxide hoʻokahi kristal, nā ʻenehana infrared, nā mea acousto-optic, nā mea puka makani infrared, nā mea uila, a me nā preservatives. Hoʻopili ʻia ka pahu i ka polyethylene ...Heluhelu hou aku -
ka pauda ʻokeda kala
He aha ka ʻokikene kālā? He aha ka mea i hoʻohana ʻia no ? He pauda ʻeleʻele ke kala kala ʻeleʻele ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai akā hiki ke hoʻoheheʻe ʻia i loko o nā waikawa a me ka amonia. He mea maʻalahi ke hoʻoheheʻe ʻia i nā mea elemental ke hoʻomehana ʻia. I ka lewa, hoʻomohu ia i ke kalapona kalapona a hoʻololi ia i kalapona kala. Hoʻohana nui ʻia ma ...Heluhelu hou aku -
Paʻakikī i ka piʻi ʻana o nā kumukūʻai Rare Earth ma muli o ka emi ʻana o ka helu hana o nā ʻoihana mea magnetik.
ʻO ke kūlana o ka mākeke honua ma Mei 17, 2023 Ua hōʻike ʻia ke kumukūʻai holoʻokoʻa o ka honua laʻa i Kina i ka piʻi ʻana o ka piʻi ʻana, i hōʻike ʻia ma ka piʻi liʻiliʻi o nā kumukūʻai o praseodymium neodymium oxide, gadolinium oxide, a me dysprosium iron alloy a puni 465000 yuan/ tona, 272000 yuan/to...Heluhelu hou aku -
ʻO ka hoʻokomo ʻana i ka ʻaila thortveitite
Loaʻa iā Thortveitite ore Scandium nā waiwai o ka haʻahaʻa pili haʻahaʻa (kokoke e like me ka alumini) a me ka helu heheʻe kiʻekiʻe. Loaʻa i ka Scandium nitride (ScN) kahi helu heheʻe o 2900C a me ka conductivity kiʻekiʻe, e hoʻohana nui ʻia i nā ʻoihana uila a me nā lekiō. ʻO Scandium kekahi o nā mea waiwai no ...Heluhelu hou aku