File:BiodegradablePlasticUtensils1.jpg
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Hoton asali (pikisal 2,700 × 1,757, girman fayil: 559 KB, irin MIME: image/jpeg)
Wannan hoto yazo daga Wikimedia Commons kuma za'a iya amfani dashi a wasu projects. Anan kasa an nuna asalin bayanin shi
Taƙaici
BayaniBiodegradablePlasticUtensils1.jpg |
English: Knives, forks, and spoons made from a biodegradable starch-polyester material.
The photo has been realized using the photoelasticity method, an experimental method which gets a fairly accurate picture of stress distribution even around abrupt discontinuities in a material. When a ray of plane polarised light is passed through a photoelastic material, it gets resolved along the two principal stress directions and each of these components experiences different refractive indices. The difference in the refractive indices leads to a relative phase retardation between the two component waves. The setup used to photograph this photo was probably composed of:
Light and camera being installed and oriented in the same direction, the two quarter-wave plates were turned with the polarizing axis in the same direction.Français : Couteaux, fourchettes et cuillères biodégradables en polyester à base d'amidon.
Português: Facas, garfos e colheres fabricadas com um material poliéster biodegradável à base de amido. A foto foi tirada usando o método fotoelástico, um método experimental que fornece uma imagem bastante precisa da distribuição do stress mesmo que o material possua descontinuidades abruptas.
Tiếng Việt: Dao, nĩa, muỗng được làm từ một loại vật liệu bột sợi tổng hợp có khả năng phân huỷ sinh học. |
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Rana |
Unknown date Unknown date |
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Masomi |
United States Department of Agriculture (link)
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Marubucin | Scott Bauer | ||||
Izini (Sake amfani da wannan fayil) |
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Assessment
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This image was selected as picture of the day on Wikimedia Commons for 6 April 2007. It was captioned as follows: Other languages:
Čeština: Jídelní příbory vyrobené z polymerních biodegradabilních materiálů Magyar: Evőeszközök biológiailag lebomló poliészterből Nederlands: Messen, vorken en lepels gemaakt van een organisch zetmeel-polyestermateriaal. Foto gemaakt met de foto-elasticimetriemethode. Slovenčina: Jedálne príbory vyrobené z polymérnych biodegradabilných materiálov Suomi: Luonnossa hajoavasta materiaalista valmistettuja veitsiä, haarukoita ja lusikoita Svenska: Biologiskt nedbrytbara knivar, gafflar och skedar kan tillverkas av stärkelse-polyester-material. |
This image was selected as picture of the day on Vietnamese Wikipedia.
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Commons quality assessment Turanci
media type Turanci
image/jpeg
checksum Turanci
c0d5eaf9ea4bacc5e6cbcf72cf44a71b96a9f3d4
data size Turanci
572,440 byte
height Turanci
1,757 pixel
width Turanci
2,700 pixel
Tarihin fayil
Ku latsa rana/lokaci ku ga fayil yadda yake a wannan lokaci
Rana/Lokaci | Wadar sufa | Kusurwowi | Ma'aikaci | Bahasi | |
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na yanzu | 21:51, 22 ga Afirilu, 2007 | 2,700 × 1,757 (559 KB) | 17Drew~commonswiki | darkened background | |
18:14, 14 ga Faburairu, 2007 | 2,700 × 1,757 (1.96 MB) | 17Drew~commonswiki | {{Information |Description=knives, forks, and spoons made from a biodegradable starch-polyester material |Source=United States Department of Agriculture ([http://www.ars.usda.gov/is/graphics/photos/k7245-1.htm link])<br>noise removed with a Gaussian blur |
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