Sodium Oxalate Reductometric Standard

乙二酸钠

Valve steel

Microcopy resolution test charts

OneRack^® Test Tube Rack

OneRack^® Test Tube Rack

波特兰水泥, Portland cement

Stainless Steel

Typical diet

Gadolinium (Gd) standard solution

Hair Follicle Dermal Papilla Cells: HFDPC, adult

毛囊毛乳头细胞：HFDPC，成人

Human DNA quantitation standard

Keratinocyte Basal Medium for adult cells (500 ml)

Chlorine in lubricating base oils

Molybdenum-tungsten-chromium-vanadium steel

(GlcNAcβ4)₂-Gly-biot