| Standardization field | Construction
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| Technical committee | BAS/TC 37- Fire safety in buildings |
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| Term (EN) | opacity of smoke |
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| Definition (EN) | ratio of incident light intensity to transmitted light intensity through smoke (4.293), under specified conditions
cf. obscuration by smoke (4.242)
NOTE 1 Opacity of smoke is the reciprocal of transmittance (4.346).
NOTE 2 The opacity of smoke is dimensionless. |
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| Term (FR) | |
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| Definition (FR) | |
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| Term (DE) | |
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| Definition (DE) | |
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| Term (BS) | neprozirnost dima |
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| Definition (BS) | omjer intenziteta upadnog zračenja prema intenzitetu propuštenog zračenja kroz dim (4.293), pod određenim uslovima
upor. zamračenje od dima (4.242)
NAPOMENA 1 Neprozirnost dima je recipročna transmitansi (4.346).
NAPOMENA 2 Neprozirnost dima je bezdimenzionalna veličina. |
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| Term (HR) | |
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| Definition (HR) | |
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| Term (SR) | |
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| Definition (SR) | |
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| Date | 2016-05-16 |
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| Standards | BAS EN ISO 13943:2015 |
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