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细颗粒物(<4微米);Fine Atmospheric Particulate Matter (Mean Particle Diameter < 4 µm)
¥650
玻璃珠-粒度分布;Glass Beads - Particle Size Distribution
硅电阻标准-0.01欧姆厘米级
线粒体DNA测序 NIST
Ignitable Liquids Test Mixture
海军黄铜UNS 46400
氧气不锈钢(AISI 431)
钛基合金
碳酸锶同位素标准品;Strontium Carbonate Isotopic Standard
显微术分辨率测试图表;Microcopy Resolution Test Charts
血管紧张素I(人类)(干冰)
Wear Metals in Lubricating Oil;润滑油中磨损金属