Khilogiramu
Khilogiram i ntsengo wo pima vunyingi-swilo nswona mfungo wa rona i kg. Ntsengo lowu wo pima, wu tirhisiwa ngopfu eka sayensi, vunjhiniyera na leka mabinzu e misaveni hi nkwayo. Khilogiramu yi lave ku ringana na litara yin'we ya mati.
Khilogiramu yi hlamuseriwe ro sungula hi lembe ra 1795 tana hi vunyingi-swilo bya litara yin'we ya mati. Nhlamuseolo leyi yo olova, ayi nononhwa ku yi fikelela. Hi lembe ra 1799, nsimbhi ya platinamu leyi ngana vunyingi bya khilogiramu yin'we yi tirhisiwile eka swikalo ku ringanisa. Kasi hi lembe ra 1879 nsimbhi ya platinamu yu siviwe hi nsimbhi yo pfanganyiwa ya Platinamu na Iridhiyamu kuri wona ntsengo wa khilogiramu yin'we kufikela loko yi ta cinciwa hi 20 mudyaxihi 2019.[1][2]
Mintshaho
[Lulamisa | edit source]- ↑ Resnick, Brian (May 20, 2019). "The new kilogram just debuted. It’s a massive achievement.". vox.com. Retrieved May 23, 2019.
- ↑ New York Times "The Latest: Landmark Change to Kilogram Approved" Nov 16 2018; https://www.nytimes.com/aponline/2018/11/16/world/europe/ap-eu-france-updating-the-kilo-the-latest.html Archived 2018-11-16 at the Wayback Machine.