File:Hafnium (72 Hf).jpg
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![File:Hafnium (72 Hf).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Hafnium_%2872_Hf%29.jpg/600px-Hafnium_%2872_Hf%29.jpg?20131006091424)
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[edit]DescriptionHafnium (72 Hf).jpg |
English: Hafnium and zirconium are two of the elements that are most similar to each other. Therefore they are hard to separate. The silvery, heavy hafnium so far is used only for a few special technical applications. Hafnium carbide (HfC) and tantalum hafnium carbide (Ta4HfC5) are very hard and mechanically enduring, the latter has with more than 4000°C the highest melting point of all materials. After being exposed to air for more than a year, the surface is slightly oxidized and therefore darker and less glossy. |
Date | |
Source | http://images-of-elements.com/hafnium.php |
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Hi-Res Images of Chemical Elements |
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[edit]This file is available from Chemical Elements - A Virtual Museum (Jumk.de Webprojects). (images-of-elements.com). Materials from this website available via Creative Commons Attribution 3.0 Unported License.
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current | 09:14, 6 October 2013 | ![]() | 1,300 × 1,300 (587 KB) | Stas1995 (talk | contribs) | User created page with UploadWizard |
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Image title | SONY DSC |
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Camera manufacturer | SONY |
Camera model | DSLR-A300 |
Exposure time | 1/125 sec (0.008) |
F-number | f/6.3 |
ISO speed rating | 100 |
Date and time of data generation | 14:47, 7 December 2009 |
Lens focal length | 200 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | GIMP 2.6.7 |
File change date and time | 13:52, 7 December 2009 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 14:47, 7 December 2009 |
Meaning of each component |
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Image compression mode | 8 |
APEX brightness | 7.37 |
APEX exposure bias | 0.3 |
Maximum land aperture | 5.31 APEX (f/6.3) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 300 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
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