Samuwar, Kimiyya
Da narkewa batu na gubar
Kai - ƙarfe bluish ya dafa yana da babban musamman nauyi da kuma ma m taurin (za a iya yanka da wuka). Da narkewa batu na gubar Shi ne irin wannan cewa za a iya narke a cikin wuta ko a cikin gida. Pure gubar da aka sauri rufe da wani oxide film da kuma tarnish. A al'ada yanayin zafi gubar ne inert to mafi acid.
Da narkewa batu na darma, da ciwon ba najasa, kamar game 328 digiri. A zubi irin na ƙarfe yana da kyau castability. Lokacin da mai zuba gubar a cikin yashi mold ne cewa wajibi ne da karfe yana da kyau fluidity, to wannan karshen, da narke ne ya kawo wa zazzabi sama da narkewa batu na kimanin 100-120 digiri. Saukake machined, ƙirƙira, high ductility karfe laminate damar da shi ga m takardar kauri sauƙi.
Tafasar batu na gubar ne a cikin kewayon 1749 °.
A zubi jihar yana da wani gagarumin volatility, wanda qara da zazzabi. Gubar turɓãya, da kuma biyu daga gubar oxides ne m ga jikin mutum. A gaban a cikin kwayoyin na 0.3 g gubar, ko da aka gyara, take kaiwa zuwa tsanani guba. A crystallization tsari a manyan gubar yiwuwa ga shrinkage, shi ne kullum game da 3.5%. The Earth ta ɓawon burodi gubar ne sau da yawa samu a cikin nau'i na mahadi, a tsarkake tsari, shi ne quite rare.
An gano cewa shi ne yafi samu a cikin nau'i na sulfides a daban-daban kankara.
Kamar yadda impurities a shi yana iya zama abubuwa kamar antimony, jan, da baƙin ƙarfe, da kuza, bismuth, arsenic, sodium, da dai sauransu Mafi yawa daga cikin impurities ne a ke so, musamman a yi na m sassa, saboda suka kai ga wani canji da sinadaran da kuma inji Properties na karfe. Tutiya da gubar bismuth rage jure acid. A gaban magnesium ko alli take kaiwa zuwa wani karuwa a ƙarfi, kuma da karfe alloyed da antimony, halin da mahara karuwa daga bãyan wancan.
Copper qara juriya na da gubar samfurin zuwa sulfuric acid, barium da lithium ya karu daga bãyan wancan. Da narkewa batu na gubar a gaban impurities ba sha gagarumin canje-canje. Cikin kewayon aikace-aikace na kayayyakin daga gubar fadi da isa. Major masu amfani da wannan abu yana dauke USB da baturi samar, inda aka yi amfani da matsayin na USB daina kai hare hare, kuma a cikin yi da baturi faranti.
Sanya gubar harbi da harsasai. A low narkewa batu na gubar a yarda a baya ta dayansu yi harsasai da kuma harbi.
Anticorrosive ikon gubar ba da damar yin amfani da ake ji a m Layer a kan abubuwa da aka yi da baƙin ƙarfe. Bugu da kari, wannan dukiya da gubar da aka yi amfani da ko'ina a cikin yi na Paints da varnishes. A zubawa a jirgin minium, wanda launi da karkashin ruwa ɓangare na jirgin, shi ne wani pigment dangane da gubar.
Da gubar daina kai hare hare da yake iya kare kan lalata da wutar lantarki da kuma wayoyin tarho na USB aza a karkashin kasa da kuma ruwa a wani maƙiya yanayi. A abin da zazzabi ya narke gubar, da kuza, da kuma bismuth cadmium, a cikin asusun a yi lantarki fis din. Har yau bukatar gubar-acid batura a cikin mota, tsaro da kuma wasu masana'antu. Duk da haka, a cikin 'yan shekarun nan shi ya fara rayayye amfani da nickel-cadmium batura.
Gubar a cikin gami abun da ke ciki an yi amfani da ko'ina a cikin yi na babbitt hali solder na tin da gubar gami bugu. Zanen gado sanya gubar-kare X-haskoki da rediyoaktif radiation. An hadarin ya faru ne a shekara ta 1986, a chernobye, tare da m rediyoaktif radiation, domin dakatar da aiwatar a cikin reactor, ta amfani da jakunkuna na gubar harbi da gubar guraben.
Don kare mutane a kan jirgin kwana wannan kaya, gubar da zanen gado da aka yi amfani da. A musamman Properties gubar a cikin wannan yanayin ya juya ga zama makawa.
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