Wadatacce
The faɗaɗa da ƙanƙancewana wani m kashi za a iya samarwa ta hanyar aiki na zafi (shine lokacin da faɗaɗa sinadarin ya auku) kuma ta hanyar aikin sanyi (kwangila).
Lokacin da aka sami canjin canjin yanayin zafi (hauhawa) galibin abubuwan na ƙaruwa. Lokacin da wannan zafin jiki ya ragu, abubuwan sun yi kwangila.
Koyaya, yana da mahimmanci a yi bayani mai mahimmanci: lokacin da daskararru ke faɗaɗa sakamakon zafi, ba yana nufin cewa suna ƙaruwa ba. Abin da ke faruwa shine tazara tsakanin molecule da molecule yana ƙaruwa yana sa sinadarin samun a fadadawa. Wannan fadadawa (ko kuma fadadawa) yana yin babban ƙarfi.
Wannan yanayin daskararru yana da mahimmanci a yi la’akari da shi, musamman a cikin ginin gada, tunda an tabbatar da cewa gadar ƙarfe wacce ke auna mita 50 kuma tana tafiya daga 0º C zuwa 15º C a cikin ɗan gajeren lokaci na iya faɗaɗa zuwa santimita 12.
Duk da haka ba duk daskararru suna faɗaɗa iri ɗaya ba kuma ƙarƙashin zafin jiki ɗaya. Misali, aluminium yana faɗaɗa sau 2 fiye da ƙarfe na ƙarfe.
Menene ke faruwa a cikin daskarewa?
Yayin da yawan zafin jiki ke ƙaruwa, abin da ke faruwa shi ne cewa kuzarin ciki na ƙwayoyin yana ƙaruwa kuma matakin tashin hankali na waɗannan yana ƙaruwa.
A takaice dai abin da ke faruwa shine kowane barbashi ya fara "don girgiza " kuma ya rabu da barbashin da yake da shi a kusa da shi, ta wannan hanyar ne ake samun fadada sinadarin.
Lokacin da zafi ya sauko, barbashi yana rage kuzarin ciki kuma a hankali ana kusantar su har sai sun sake zama kusa da ɗayan.
Misalan fadada zafi da ƙuntatawa
- Lokacin da aka sanya kwano a cikin firiji kuma an cire shi. Domin cire sanyi daga gefen kwantena, dole ne a nitsar da kwantena iri ɗaya a cikin ruwan zafi, ta wannan hanyar filastik yana faɗaɗa yana ba da damar fitar da abubuwan daga ciki.
- Ruwa. Lokacin zafi (tafasa) ƙwayoyin suna faɗaɗa, idan sun huce sai su yi kwangila kuma idan sun daskare, ƙwayoyin ruwa suna ƙanƙancewa.
- Iron. Ana samun wannan ƙarfe a yanayi cikin yanayi mai ƙarfi, wato, ƙwayoyinsa sun fi kusa. Koyaya, saboda aikin zafi, wannan ƙarfe yana faɗaɗa (fadada) kuma ƙarfe ya zama narkakken ƙarfe. Haka lamarin yake da sauran karafa kamar aluminium, mercury, gubar, da sauransu.
- Mai tauna. Lokacin da cingam yake a yanayin zafi, yana narkewa. Ana ganin wannan yayin rana mai zafi. Sannan, idan muka sanya wannan danko a cikin firiji, yana kwangila kuma ya taurare.
- Tsutsotsi na jiki a rana tare da ƙarancin yanayin yanayin yanayi. A saboda wannan dalili, wasu mutane suna da tsokar tsoka bayan horo na motsa jiki ko a kan zafi sosai sannan kwanakin sanyi. Wanda ke daidaita wannan shine ruwa (ruwa) na jikin mu. Amma ciwon yana ƙaruwa idan jiki ya bushe.
- Ruwa carbonated a cikin injin daskarewa.
- Katako. Wata rana mai zafi tana faɗaɗa. Sannan, lokacin da zafin jiki ya faɗi, zai fara haifar da hayaniya yayin da yake sake yin kwangila.
- Hanyoyin dogo. An gina waɗannan tare da wani ɗan tazara mai ɗan rabuwa. Sannan an sanya tar a cikin wannan sarari don ba da damar ƙarfe ya faɗaɗa a cikin kwanaki masu zafi sosai sannan, yayin da zazzabi ya faɗi, ya sake yin kwangila.
- Gilashi. Idan muka sanya gilashin gilashin talakawa kuma muka ƙara ruwan zãfi, cikin gilashin yana faɗaɗa yayin da waje yake da sanyi. Wannan yana sa gilashin ya karye.
- Thermometer. Wannan ya ƙunshi ruwan mercury mai ruwa. Kamar yadda yake a cikin abubuwan da ke cikin ruwa, barbashi suna da nisa da juna, mercury, lokacin da aka fallasa su da zafi (alal misali zazzabin jiki), mercury yana ɗaga ma'aunin ma'aunin zafi tun lokacin da ya zama mai ruwa.
