MapangidweSayansi

Zitsulo kwambiri conductive mu dziko

Ubwino zitsulo mwachindunji anatsimikiza ndi mankhwala awo ndi thupi katundu. Pankhani ya ngati muyeso, monga madutsidwe magetsi, ubwenzi si ndizodziwikiratu. zitsulo kwambiri conductive, ngati chizindikiro anayeza firiji (+20 ° C), - siliva. Koma kukwera mtengo zimasokoneza ntchito mbali siliva magetsi ndi microelectronics. zinthu Silver mu makina onga ntchito kokha pa nkhani ya kufunika zachuma.

Tanthauzo thupi la madutsidwe wa

Ntchito ochititsa zachitsulo kale-ataima. Asayansi ndi akatswiri ntchito m'minda ya sayansi, kugwiritsa ntchito mphamvu ya magetsi kwa nthawi yaitali kudziwa zipangizo mawaya, malo, kulankhula, matabwa kusindikizidwa dera , ndi zina zotero. D. Kudziwa zitsulo kwambiri conductive mu dziko amathandiza kuchuluka thupi lotchedwa madutsidwe magetsi.

Concept kumbuyo conduction magetsi kukana. Kachulukidwe akuti madutsidwe kugwirizana ndi unit kukana, imene dongosolo lonse mayunitsi (SI) amayezedwa ohms. Unit wa madutsidwe magetsi ku SI wa - Siemens. Russian zoti wagawo ichi - Onani, mayiko - S. Zamagetsi madutsidwe wa 1 cm gawo ali maukonde magetsi ndi kulimbikira 1 ohms.

madutsidwe

Iwo amaona luso chinthu kuchititsa magetsi inawadutsa otchedwa madutsidwe. Yayikulu kwambiri chizindikiro uyu ali ndi zitsulo kwambiri conductive. Mkhalidwe umenewu zingadziŵike kwa thunthu kapena sing'anga instrumentally ndipo ali ndi mawu M'ndandanda. Madutsidwe cylindrical wochititsa wagawo m'litali ndi gulu mtanda yachigawo m'dera chokhudzana ndi resistivity wa wochititsa lapansi.

System wagawo madutsidwe ndi Siemens pa mita - S / m. Kuti tipeze zomwe wa zitsulo zitsulo kwambiri conductive mu dziko, zokwanira kuyerekeza madutsidwe awo, anatsimikiza experimentally. Munthu angathe kudziwa resistivity mwa chipangizo wapadera - microohmmeter. makhalidwe amenewa ali osiyanitsidwa.

madutsidwe wa zitsulo

Lingaliro kwambiri za mphamvu ya magetsi monga otaya lotsogozedwa ndi tinthu mlandu ngati zinthu zambiri zogwirizana zochokera lattices galasi zitsulo mwachibadwa. Lamulira onyamula pamene magetsi mu zitsulo ndi ufulu ma elekitironi ndi ayoni sali, monga izo zimachitika pa TV madzi. Icho chinakhazikitsidwa experimentally kuti pamene panopa zimachokeradi mu zitsulo particulate mankhwala kutengerapo pakati ochititsa lapansi.

zinthu zachitsulo amasiyana zina nsinga kwambiri ufulu pa mlingo atomiki. The chipangizo mkati zitsulo amakhala ndi kukhalapo kwa ambiri "osakwatira" ma elekitironi. amene tikamva mawonekedwe pang'ono asilikali mu atomu imatsogoleredwa otaya. Choncho, palibe zitsulo zodabwitsa ndi ochititsa bwino magetsi, ndi kuti ankachita maselo amasiyana zitsulo kwambiri conductive. Pa mbali ya kapangidwe galasi latisi wa zitsulo wina zochokera katundu wawo yeniyeni - mkulu kutentha madutsidwe.

Pamwamba pa ochititsa bwino - zitsulo

4 zitsulo ndi yothandiza ntchito ngati akuwauza magetsi amafalitsidwa motere zoopsa za madutsidwe wa, amayezedwa masentimita / mamita:

  1. Silver - miliyoni 62,5.
  2. Mkuwa - miliyoni 59,5.
  3. Gold - miliyoni 45,5.
  4. Zotayidwa - 38 miliyoni.

Iwo Tingaone kuti zitsulo kwambiri conductive - siliva. Koma ngati golide, icho ntchito kukhazikitsa maukonde magetsi pokha pokha wapadera, yeniyeni. Chifukwa - kukwera mtengo.

Koma mkuwa ndi zotayidwa - ndi njira ambiri zopangidwa magetsi ndi chingwe chifukwa kukana kwawo otsika magetsi ndi chodya. zitsulo zina ntchito ngati akuwauza osowa.

Zinthu kulimbikitsa madutsidwe wa zitsulo

Ngakhale zitsulo conductive kumachepetsa madutsidwe ake pamene pali pano zina zina ndi zosafunika. Mu kasakaniza wazitsulo ndi "oyera" zitsulo latisi Kapangidwe. Kumasiyana kuphwanya chosokonekera ming'alu ndi zilema zina. madutsidwe The yafupika ndipo pamene ukuwonjezeka yozungulira kutentha.

Kuchuluka kukaniza chibadidwe kasakaniza wazitsulo ntchito zinthu magetsi. Ndi N'zosadabwitsa kupanga zinthu magetsi opareshoni, heaters nichrome ntchito, fechral ndi kasakaniza wazitsulo ena.

conductive zitsulo kwambiri - siliva wapatali yaitali ntchito ndi jewelers, Ndalama etc. Komabe, mu njira ndi chida cha mankhwala yake yeniyeni ndi thupi katundu ankagwiritsa ntchito ... Mwachitsanzo, kusiya ntchito mfundo ndi aggregates ndi otsika ❖ kuyanika kukana siliva chindiletsa kukhudzana gulu kwa makutidwe ndi okosijeni. Wapadera katundu wa siliva ndi kasakaniza wazitsulo ake ankakonda kugwiritsa ntchito izo kulungamitsidwa, ngakhale mtengo mkulu.

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