ISO 22551:2020 EN f3ac181c
Fine ceramics (advanced ceramics, advanced technical ceramics) — Determination of bacterial reduction rate by semiconducting photocatalytic materials under indoor lighting environment — Semi-dry method for estimating antibacterial activity on the actual environmental bacteria contamination surface
现行
发布日期 :
2020-01-07
实施日期 :
ASTM E2262-03(2020)
Standard Practice for Estimating Thurstonian Discriminal Distances
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ASTM E1163-10(2019)
Standard Test Method for Estimating Acute Oral Toxicity in Rats
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ASTM E981-19
Standard Test Method for Estimating Sensory Irritancy of Airborne Chemicals
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ASTM F2534-17(2022)
Standard Guide for Visually Estimating Oil Spill Thickness on Water
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ASTM C1074-19e1
Standard Practice for Estimating Concrete Strength by the Maturity Method
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