Ndi angati kiyubiki mamita pa tonne: nkhani ya kulemera ndi buku

Ngati mudzapempha funso mmene tani kiyubiki mamita, ayenera kufotokozera tanthauzo. Mwina, tiona gasi, mwina amalankhula mafuta, ndi mwina kuti ngalawa kusamutsidwa.

The etymology dzina la

Uliwonse dziko, kotero kuti pali dziko, mzinda uliwonse ali mayunitsi yake. Utali anayeza muyezo, mapazi, mitunda, fathoms, wautali - mtunda ndi miles. Buku ankaona pints ndi mugs, magaloni ndi ndowa, migolo ndi mbiya. kulemera mayunitsi, nayenso, suona: aunsi, mapaundi, mitsuko poods, ndi zina zotero. Koma kufunika kuchuluka kwa malonda mfundo za poyeza anali mwakufuna. Choyamba, m'dziko lomwelo, ndiye standardization zinachitika pakati pa mayiko munthu, ndi sitepe wotsatira anali chilengedwe standardization mayunitsi. Izi zinachitika kutha kwa m'ma chakhumi ndi chisanu ndi chinayi. Ndipo pofika cha m'ma chakhumi ndi chisanu ndi chitatu, funso "angati kiyubiki mamita pa tonne" sangakhale, mfundo, chifukwa kulibenso wa mayunitsi. A maina kwambiri - tani ndi mita - anaonekera mu France, kumene zolinga za bourgeois zisinthe anapambana.

Kupambana zivute zitani afulumira lichotse zotsala za ufumu, kuti monga mwa zinthu zina, mayina a - miyezi, masiku a sabata, mayunitsi muyeso. The mayunitsi zatsopano maina atsopano. "Tani" lachokera ku French mawu tonne, amene ankatanthauza pang'ono kusinthidwa Latin mawu tunne - mbiya. "Metro" ali mizu Greek (ku "muyeso" kapena "mita"). Funso la "angati kiyubiki mamita pa tonne" analandira choyamba yankho lolondola ku France mu 1795.

dongosolo chinkafunika

Ndi kukhazikitsa dongosolo latsopano mayunitsi anakana ndi ambiri duodecimal muyeso, ndipo anatenga monga maziko a decimal. French anapereka mfundo yatsopano kwa kuyeza kutalika, kulemera ndi buku. Poyamba, kutalika kwa muyezo - "mamita" - akudziwikanso monga mmodzi wa makumi Paris meridian. More miyezo posachedwapa wasonyeza kuti kutalika kwa meridian lapadziko ena chiwerengero isiyana yabwino makilomita zikwi makumi anai, koma mita watenga malo kutalika muyezo. Opangidwa kuchokera kutalika izi analandira powonjezera prefixes Latin - micro-, milli-, centi-, deci-, kilo. kulemera muyezo anali unyinji wa madzi kyubu kukula kwa nthiti ya centimeter imodzi abwino, monga ankaona, chikhalidwe. Sungunulani madzi kuthamanga yachibadwa mumlengalenga. Podziwa kuti kulemera kwa wagawo anali ochepa, tabwera ndi watsopano ndalama si Buku kulemera ndi misa. Mwachitsanzo, kyubu ndi m'mphepete mwa munthu decimeter madzi omwewo wangwiro chikhalidwe ankatchedwa "lita" (kachiwiri, mizu ya mawu Old French).

Ndipo pamene kyubu wakhala mita nthiti, ife tiri latsopano wagawo kulemera - "tani". Ndiko kuti, ngati timamasulira tonnes pa mita kiyubiki ya madzi, inu chimodzi. Koma si mu nkhani ya "boma abwino" madzi. Childs madzi iliyonse pamene usavutike akutembenukira mosavuta.

The System Mayiko mayunitsi

chinkafunika izi, ngakhale ali chiyambi chake cha m'ma 18 mochedwa, izo lalandiridwa ku France ndi malamulo okha 1837. Pang'onopang'ono, iye anayamba ndi anthu ambiri mu mapangano osiyanasiyana, ndipo potsiriza wotetezedwa mwa 1875, pamene Convention Meter anali ovomerezeka ndi oimira ulamuliro pa seventini mphamvu dziko. Limodzi mwa mayiko amenewa anali ndi Russian, koma ndisanapite Federation ndi Ufumu.

Kodi n'chifukwa kuti dziko lathu muyeso wa sanalembedwepo pa mapaundi kapena ndowa, ndipo ife tikhoza kunena motsimikiza mmene mamita zambiri kiyubiki pa tonne. Msonkhano pambuyo kusintha wakhala maziko a maphunziro mu 1960, System Mayiko mayunitsi. Mu dongosolo ili, panali malo ndi mita ndi tani.

tani osiyana

Koma funso, "tani 1 - angati kiyubiki mamita" si laling'ono. Chifukwa pali matanthauzo ena kupatula Lingaliro la dongosolo chinkafunika. Mwachitsanzo, pali chinthu monga US (lalifupi) tani, amene akulemera makilogalamu oposa mazana asanu ndi awiri. Koma English (yaitali) tani pa khumi ndi zisanu ndi chimodzi-kuphatikiza makilogalamu ikakhala yolemera chinkafunika. Unit chomwecho, koma ndi dzina la "katundu wolemera matani", kuyeza kukula kwa katundu. Pankhani zinthu zolemera, ndi wofanana kukula kwa tani English, ndi kuunika voluminous katundu amayezedwa kiyubiki mamita. Kuti ndi yankho ku funso "angati kiyubiki mamita pa tonne wa katundu" ndi 1,12.

zombo kusamutsidwa chimaonekera mwa mayunitsi chomwecho. Koma ngati matani m'kaundula, amene ntchito mfundo imeneyi, musati kuyeza kulemera ndi buku la chipinda, amene angakhalemo katundu. Choncho, yankho lolondola kuti "angati kiyubiki mamita pa tonne wa katundu" adzakhala 2,83 kiyubiki mamita.