Hanganga, Mātauranga Tuarua me ngā kura
Ture o te hanganga tonu o te taonga. ture Atawhai i roto i te matū
no Matū ki te kāwai o sciences tangohia, a i roto i te tua ki te pāngarau me te ahupūngao whakatakoto ana i nga ture o te oraraa, me te whanaketanga o te mea arā, o ngota me ngā rāpoi ngota. Katoa o te tukanga tupu i roto i ngā kaiao ora, a i roto i ngā o te natura popohe, kua hāngai te reira i runga i te āhuatanga o te faafariuraa o te papatipu me te pūngao. Ture o te hanganga tonu o mea, e ka oti rawa kia ki te ako o tenei tuhinga, takoto i te ngakau o nga tukanga i roto i te ao inorganic me organic.
parau haapiiraa Atomic-rāpoi
Hei mahino nga ture whakahaere rauemi mooni, e hiahia ana koe ki te whai i te whakaaro o te mea kua hanga e te reira. E ai ki te pūtaiao nui Russian M. V. Lomonosova "i roto i te pouri me noho ahupūngao me, i roto i ngā, Utaina, kahore hoki e mohio te hanganga ā-o te matūriki." Ko ia te tangata e i roto i 1741, i tuatahi takahi a muri whakapumautia e te wheako, kitea nga ture o te matū, he te pūtake mo te ako o te ora, me te nonliving mea, ara: kua tito matū katoa o ngota, rāpoi ahei o hanga. Ko enei matūriki katoa i roto i te nekehanga tamau.
I whakapuaki me te hapa J.. Dalton
50 tau i muri mai ka timata Lomonosov ki te whakawhanake i te whakaaro o te kaiputaiao English Hoani. Dalton. ka kawe Scientists i nga tātai tino nui ki te whakatau i nga pauna ngota o te huānga matū. mahi tenei rite te tohu matua o enei whakapae: taimaha o te rāpoi ngota, me taea te tātai te taonga i te taimaha o te matūriki i roto i tona hanganga ngota. Ka rite ki Lomonosov ko Dalton whakapono e, ahakoa o te tikanga faaineineraa, ka whai tonu i te pūhui o te rāpoi ngota tonu hanganga kounga, me te ine. I te tīmatanga, ko reira te ture o te tamau o hanganga o mea i whakatakoto i roto i te taua ara. Te iteraa i te takoha nui ki te pūtaiao Dalton, e kore e taea te huna i te hapa hōhā: whakakahore i te hanganga rāpoi o matū ohie pērā i te hāora, hauota, hauwai. Scientists whakapono e he uaua anake te rāpoi ngota matū. Homai te mana nui i roto i te hapori pūtaiao o Dalton, ana horihori tōraro te awe te whanaketanga o te matū.
Ka rite ki ngota paunatia me ngā rāpoi ngota
Ko te kitea o taua postulate matū, rite te ture o te tamau o hanganga o mea, kua meinga whakawhetai taea ki te ariā o te tiaki o matū papatipu, unreacted me hanga e muri. I tua atu Dalton papatipu ngota inenga whakahaere I. Berzelius tika o te tepu o ngā āhuatanga matū me te tuku pauna ngota whakatu a ratou ti'araa rite reta Latin. Tēnei wā whakaritea taimaha o ngota me ngā rāpoi e te nanotubes waro. Ko te hua whiwhi i roto i enei akoranga whakau nga ture ngā o matū. I mua i whakamahia kairangahau he mea pēnei i te spectrometer papatipu, engari i paunatia he tikanga uaua ki te spectrometry drawback nui.
Te aha e mea faufaa ko te ture o te atawhai o te papatipu o te taonga
Whakatakoto M. V. Lomonosovym runga ake postulate matū ingoa io te meka e i roto i te tauhohe o te ngota he wahi o nga matū hohe me kahore e hua ngaro me te puta i roto i o tetahi mea. rongoa ratou tau e kahore huringa i mua, me te i muri i te tukanga matū. Ko te taimau mai te papatipu o te ngota, tenei meka arorau arata'i ki te ture o te tiaki o te papatipu me te pūngao. Ano, whakaaturia te pūtaiao tenei ture, kia rite ki te parau tumu whānui o te natura, te whakau i te interconversion o pūngao me te tamau o te hanganga o te mea.
Ngaahi Fakakaukau J. Proust rite te haamauraa o te ariā ngota-rāpoi
Ni'ai ki te whakatuwheratanga o te postulate taua, pera i te ture o te hanganga tamau. Matū o te mutunga te 18 - wawe rau tau 19 - he pūtaiao i roto i i nga tautohetohe i waenganui i nga kaipūtaiao French e rua, J. Proust ko K. Berthollet pūtaiao. kī Origin e matū hanganga i hanga e te tauhohenga matū, tei te nuinga i runga i te āhua o te tauhohenga. whakapono Berthollet e te pūhui i runga i te hanganga - ko ano hoki o nga hua tauhohenga pāngia e te nui whanaunga o pāhekoheko matū. Kua tautokona te nuinga Utaina i te tīmatanga o te akoranga te whakaaro o Proust, e whakatakoto ratou e whai ake: ko tonu tamau te hanganga o te pūhui matatini, me te e kore tei runga i ngā o te tikanga i roto i nei i riro ai. Heoi, whakaaro hōparatanga atu o nga rongoā wai, me te totoka (alloys) whakapumautia K. Berthollet. i arongia i ēnei matū ture o hanganga tamau. Ano, e kore e mahi i te reira no te pūhui ki arapaki katote. Ko te hanganga o enei matū tei runga i te tikanga ki nei e keri ratou.
taonga matū Ia, ahakoa o tona tikanga o te faaineineraa, te hanganga kounga, me te ine tūturu. faaite tenei waihanga te ture o te tamau o hanganga o te taonga e whakaarohia ana e J. Proust i 1808. Ka rite ki taunakitanga Arā āhua ia tauira e whai ake: malachite i Siberia kua te taua hanganga rite keri te kohuke i roto i Spain; i roto i te ao i reira he kotahi anake cinnabar, a kua riro kahore uara rauemi o te moni tāpui te. Ko te kupu fakamamafa'i Proust tamau o hanganga o mea, ahakoa o te wahi me te tikanga o tona production.
E kore ture, kahore okotahi
Mai i te ture o hanganga tino, whai reira e kua hono te hanganga o te pūhui matatini o te huānga matū ki ia atu i roto i etahi ōwehenga taimaha. I maoro puta pūtaiao matū mōhiohio e pā ana ki te oraraa o matū ki hanganga tāupe, i te mea ti'aturi i runga i te tikanga o te faaineineraa. whakaarohia pūtaiao Russian M. Kurnakov whakaingoa enei berthollides pūhui pērā i Titanium waikura, wai taimaha, zirconium nitride.
Ēnei matū ia 1 wahi i taimaha o tetahi huānga kua ki moni rerekē o te tahi atu āhuatanga. Ko te kupu, i roto i te pūhui ā-rua o te bismuth ki gallium i runga i tetahi wahi i te taimaha o te gallium taka i 1.24 ki te 1.82 wahi o bismuth. kitea Whārangi muri mai e, haunga kore nga pūhui whakarewa ki tahi i te tahi matū whakarongo te ture o hanganga tino, he mea i roto i tenei piha haapiiraa o pūhui pararopi rite waikura. Berthollides hoki huru o sulfides, carbides, nitrides, me hydrides.
Ko te tūranga o kanoirite
Ka i roto i te kainga o te ture o te tamau o mea, kua matū hei pūtaiao tangohia kua taea ki te hono i te āhuatanga taimaha o te pūhui ki te ihirangi isotopic o te huānga hanga reira. A haamana'o na e te kanoirite whakaaro ngota o huānga matū ki ōrite iraoho engari rerekē tau irakarihi. Homai te aroaro o nga kanoirite, kua matau ai e kia te hanganga, he mea pauna o te pūhui kia tāupe i raro i te huru o ngā āhuatanga tonu ngā i roto i te taonga. Ki te faarahi te huānga te ihirangi o tetahi kanoirite me te taimaha o te taonga taui hoki. Hei tauira, te wai noa ngā 11% hauwai, a taimaha i hanga e tona kanoirite (Deuterium) - 20%.
āhuatanga berthollides
Rite tonu ki ta matou kua faataa, te ture tiaki i roto i te matū whakau nga tikanga taketake o te ariā ngota-rāpoi, me te e tino pono ki te taonga o te hanganga tonu - daltonides. He berthollides whai rohe e taea te huri i ngā wāhanga taimaha o te huānga. Hei tauira, i roto i te waikura o te tetravalent Titanium ia tetahi wahi taimaha o te whakarewa taka i 0,65 ki 0,67 wahi o te hāora. e kore e matū hanganga kore-pūmau i te hanganga rāpoi, e tito o ngota ratou matapihi karaihe. Na reira, nga pūhui matū o tātai whakaata anake nga rohe o to ratou hanganga. Rerekē e ratou matū rerekē. Ka taea hoki te pāmahana pā i te awhe hanganga o nga mea timatanga taimaha. Ki te hanga e rua huānga matū i waenganui ia ratou i te torutoru matū - berthollides, ka kore e taea te tono ano hoki ratou, me te ture o hanganga maha.
O ki nga tauira i runga ake katoa faaoti i taua matū ariā e hakari e rua ngā rōpū o matū: he hanganga tamau tāupe ranei. He te āhua o enei pūhui ko te haamauraa pai akonaki rāpoi ngota. Na i konei he kore tino i roto i te pūtaiao matū te ture o te hanganga tamau. Otiia haamaramarama nei te reira i te aamu o tona whanaketanga.
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