20 ga watan Mayu shine Ranar Tattalin Arzikin Duniya kuma an yi bikin sanya hannu kan abin da ake kira Meter Convention. Kasashe goma sha bakwai ne suka wakilta kuma inda aka gudanar da taron farko a ranar 20 ga Mayu, 1875.
Wannan taron yana tunatar da mu mahimmancin mahimmancin samun ƙimar duniya ko matakin awo a sikelin duniya. Wannan hanyar amfani da shi a yawancin fannoni na yau da kullun da mahimman ayyuka, kamar yadda yake a cikin ilimin kimiyya, kiwon lafiya, kasuwanci da aikace-aikacen masana'antu.
Menene metrology?
Metrology shine kimiyyar da ke nazarin awo, dole ne ya zama cikakke kuma ingantacce ta fannoni da yawa kuma sananne ga ɗan adam. Wannan batun yana da mahimmancin gaske domin dukkanmu mu raba mu tsara duk abin da muke aiki dashi kuma a hanya guda.
Alal misali, ana amfani da metrology a lafiyar ɗan adam. Duk mutane suna buƙatar tsarin kiwon lafiya inda ake amfani da ma'auni kuma lamari ne da ke taka muhimmiyar rawa. Tare da wannan daidaito, dole ne a auna sigogi da yawa don samun damar yin bincike.
Kirkira da kasuwancin kayayyaki da duk abin da ya samu daga gare ta kuna buƙatar tsarin auna isa, ta wannan hanyar duk kasuwancin za suyi amfani da tebur iri ɗaya a tsayi da nauyi don haka babu rikice-rikice.
Tsarin kewaya tauraron dan adam kuma ya dogara da ma'auni. Suna amfani da daidaito na lokacin duniya don daidaita lokutan daidai yadda wuri yake. Misali zai kasance cikin amfani da ma'auni a haɗin haɗin tsarin kwamfuta mai rikitarwa, inda kowa zai yi amfani da su, don haka jirgin sama na iya motsawa, tashi da sauka da kyar da ganuwa.
Yaya aka haifi sassan ma'aunin zamani?
Kodayake fasaha da yawancin ci gabanmu ba su wanzu ƙarni da suka gabata ba, ilimin zamani koyaushe tsarin aunawa ne. Ya wanzu koyaushe kuma ya ci gaba tsawon shekaru kuma ya danganta da cigaban rayuwar al'umma a kowane zamani.
A tsawon shekaru ana amfani da wannan nau'in ma'aunin don binciken kimiyya da kirkire-kirkire. Kirkirar sa an kirkireshi ne dan inganta rayuwar mutane, masana'antar masana'antu da kasuwancin kasa da kasa harma da kare muhalli.
An haife tsarin auna a shekara ta 1789 lokacin juyin juya halin Faransa, lokacin da Majalisar Kasar Faransa ta gabatarwa Kwalejin Kimiyya sabon tsarin auna zamani. Dole ne ku ƙirƙiri sabon tsarin ma'auni mai karko ga kowa, inda ƙafa da hannaye ba su da daraja. Kafin auna shi da wannan tsarin, amma tsawon hannaye ko ƙafa ya bambanta dangane da mutumin.
Ta wannan hanya an ayyana santimita kuma daga nan ne aka ba da shawarar ƙara lita a matsayin juz'i. Wani ruwa wanda yake shiga cikin kuubi mai gefen 10 cm da kilogram kamar yadda aka ƙirƙira nauyin lita na ruwa a matsayin ma'auni. Hakanan an ƙirƙiri adadi, yana nuna ninkin na raka'o'in don bambanta daga 10 zuwa 10.
Tare da wadannan shawarwarin an halicci mita azaman ma'aunin ma'aunin tsayi, ƙirƙirar ainihin kwafin da aka adana a cikin taskar tsaro. Hakanan yana faruwa da kilogram, wanda kamar yadda muka yi bayani zai zama nauyin ruwa ne wanda ya dace da guga, wato, santimita cubic 10. An ƙirƙiri nauyi wanda zai zama mizani na kilogram wanda za'a adana azaman mita.
Wasu daga cikin nau'ikan ma'aunin ma'aunin da ake amfani dasu a yau sune: na kullu: kilo, gram; muna amfani da tsawon: kilomita, mita; iya aiki: Kiloliter, lita; kan lokaci: awowi, mintuna, dakiku, kalanda; ji: sikeli; zafin jiki: ma'aunin zafi da zafi; matsa lamba: barometer, manometer.
Yana da matukar mahimmanci kowa ya san irin wannan ma'aunins don haka babu sabanin ra'ayi. Duk cibiyoyin ilimin ilimin ƙasa suna ci gaba da haɓaka. Ana nufin su ne don amincewa da su da tabbaci ga kowa.
