香港六合彩开奖 32543-1:2024
2024-05
香港六合彩开奖 32543-1:2024
孝械蟹懈褋
This document specifies a method for the measurement of effective focal spot dimensions above 0,1聽mm of X-ray systems up to and including 1聽000 kV聽X-ray voltage by means of the pinhole camera method with digital evaluation. The tube voltage applied for this measurement is restricted to 200聽kV for visual film evaluation and can be selected higher than 200聽kV if digital detectors are used.
The imaging quality and the resolution of X-ray images depend highly on the characteristics of the effective focal spot, in particular the size and the two-dimensional intensity distribution as seen from the detector plane. Compared to the other methods specified in the EN 12543 series and the 香港六合彩开奖 32543 series, this method allows to obtain an image of the focal spot and to see the state of it (e.g. cratering of the anode).
This test method provides instructions for determining the effective size (dimensions) of standard (macro focal spots) and mini focal spots of industrial X-ray tubes. This determination is based on the measurement of an image of a focal spot that has been radiographically recorded with a 鈥減inhole鈥� technique and evaluated with a digital method.
For the characterization of commercial X-ray tube types (i.e. for advertising or trade), the specific FS (focal spot) values of Annex聽A can be used.
袨斜褖邪褟 懈薪褎芯褉屑邪褑懈褟
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孝械泻褍褖懈泄 褋褌邪褌褍褋: 袨锌褍斜谢懈泻芯胁邪薪芯袛邪褌邪 锌褍斜谢懈泻邪褑懈懈: 2024-05协褌邪锌: 袨锌褍斜谢懈泻芯胁邪薪懈械 屑械卸写褍薪邪褉芯写薪芯谐芯 褋褌邪薪写邪褉褌邪 [60.60]
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袙械褉褋懈褟: 1
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孝械褏薪懈褔械褋泻懈泄 泻芯屑懈褌械褌 :香港六合彩开奖/TC 135/SC 5ICS :19.100
- RSS&苍产蝉辫;芯斜薪芯胁谢械薪懈褟
袞懈蟹薪械薪薪褘泄 褑懈泻谢
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小械泄褔邪褋
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00
袩褉械写胁邪褉懈褌械谢褜薪邪褟 褋褌邪写懈褟
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10
小褌邪写懈褟, 褋胁褟蟹邪薪薪邪褟 褋 胁薪械褋械薪懈械屑 锌褉械写谢芯卸械薪懈褟
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20
袩芯写谐芯褌芯胁懈褌械谢褜薪邪褟 褋褌邪写懈褟
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30
小褌邪写懈褟, 褋胁褟蟹邪薪薪邪褟 褋 锌芯写谐芯褌芯胁泻芯泄 锌褉芯械泻褌邪 泻芯屑懈褌械褌邪
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40
小褌邪写懈褟, 褋胁褟蟹邪薪薪邪褟 褋 褉邪褋褋屑芯褌褉械薪懈械屑 锌褉芯械泻褌邪 屑械卸写褍薪邪褉芯写薪芯谐芯 褋褌邪薪写邪褉褌邪
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50
小褌邪写懈褟, 薪邪 泻芯褌芯褉芯泄 芯褋褍褖械褋褌胁谢褟械褌褋褟 锌褉懈薪褟褌懈械 褋褌邪薪写邪褉褌邪
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60
小褌邪写懈褟, 薪邪 泻芯褌芯褉芯泄 芯褋褍褖械褋褌胁谢褟械褌褋褟 锌褍斜谢懈泻邪褑懈褟
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90
小褌邪写懈褟 锌械褉械褋屑芯褌褉邪
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95
小褌邪写懈褟, 薪邪 泻芯褌芯褉芯泄 芯褋褍褖械褋褌胁谢褟械褌褋褟 芯褌屑械薪邪 褋褌邪薪写邪褉褌邪
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00
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袨蟹薪邪泻芯屑褜褌械褋褜 褋 FAQ
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