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Datoteka:Aluminium oxide2.jpg

Aluminium_oxide2.jpg ‎(571 × 560 piksela, veličina datoteke: 63 KB, MIME tip: image/jpeg)

Opis
English: Aluminium oxide skimmed off the surface of molten aluminium.
Čeština: Oxid hlinitý odebraný z povrchu taveniny hliníku
Datum (UTC)
Izvor
Autor


This image has currency in it to indicate scale.

Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted.

Ideally, a photograph should include a ruler with the subject (example) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter).

Images with coins to indicate scale

Common coin diameters for reference:

  • U.S. dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.21 mm, 0.84 in
    • 10¢: 17.91 mm, 0.71 in
    • 25¢: 24.26 mm, 0.94 in
    • 50¢: 30.61 mm, 1.22 in
    • $1: 26.5 mm, 1.02 in
  • Canadian dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.2 mm, 0.83 in
    • 10¢: 18.03 mm, 0.71 in
    • 25¢: 23.88 mm, 0.94 in
    • 50¢: 27.13 mm, 1.07 in
    • $1: 26.5 mm, 1.02 in
    • $2: 28 mm, 1.1 in
  • Pound sterling as of 2021:
    • 1p: 20.32 mm, 0.8 in
    • 2p: 25.91 mm, 1.02 in
    • 5p: 18 mm, 0.71 in
    • 10p: 24.5 mm, 0.96 in
    • 20p: 21.4 mm, 0.84 in
    • 50p: 27.3 mm, 1.07 in
    • £1: 23.03–23.43 mm, 0.91–0.92 in
    • £2: 28.4 mm, 1.12 in
  • Euro as of 2002:
    • 1c: 16.25 mm, 0.64 in
    • 2c: 18.75 mm, 0.74 in
    • 5c: 21.25 mm, 0.84 in
    • 10c: 19.75 mm, 0.78 in
    • 20c: 22.25 mm, 0.88 in
    • 50c: 24.25 mm, 0.95 in
    • €1: 23.25 mm, 0.92 in
    • €2: 25.75 mm, 1.01 in

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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: converted to JPG + minor crop. The original can be viewed here: Aluminium oxide2.png: .

Ja, vlasnik autorskog prava ovog djela, ovdje ga objavljujem pod sljedećom licencom:
Public domain Ja, vlasnik autorskog prava ovog djela, objavljujem ovaj rad u javno vlasništvo. Ovo se primjenjuje u cijelom svijetu.
U nekim državama ovo zakonski nije moguće; u tom slučaju:
Ja dopuštam svima pravo korištenja ovog rada u bilo koju svrhu, bez ikakvih uslova, osim ako su takvi uslovi zakonski neophodni.

Originalni zapisnik postavljanja

This image is a derivative work of the following images:

  • File:Aluminium_oxide2.png licensed with PD-self
    • 2008-04-14T04:25:35Z Nbritton 1137x1080 (2116080 Bytes) {{Information |Description=Aluminium oxide skimmed off the surface of molten aluminium. |Source=self-made |Date=2008 |Author= [[User:Nbritton|Nbritton]] |Permission=Public Domain }}

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prikazuje

Aluminij-oksid

media type engleski

image/jpeg

checksum engleski

0edb33f685ddbd3cc26fff33bc21c5a1d1e17d1f

metoda određivanja: SHA-1 engleski

data size engleski

64.415 Bajt

visina

560 piksel

širina

571 piksel

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Datum/vrijemeSmanjeni pregledDimenzijeKorisnikKomentar
trenutno02:26, 28 septembar 2009Smanjeni pregled verzije na dan 02:26, 28 septembar 2009571 × 560 (63 KB)Materialscientist{{Information |Description=Aluminium oxide skimmed off the surface of molten aluminium. |Source=*File:Aluminium_oxide2.png |Date=2009-09-28 00:24 (UTC) |Author=*File:Aluminium_oxide2.png: Nbritton *derivative work: ~~~ |Permi

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