标准物质
standard reference material
standard substance
Reference material
CRM
reference materiak
working standard
Certified reference material
certified reference materials
Standard substances
Standard reference materials
standard material
normal substances
standard materials
reference materials
neutron activation analysis
Acetyl-3-methylpyrazine
comparison substance
Acetylacetaldehyde
standard referencee material
Nucleic acid reference materials
Reference material RM
cattle serum
Actinomycotic septicaemia
Reference matrials
certified reference material CRM
reference matrial
standard matter
DNA标准物质
DNA standard reference materials
模拟标准物质
simulated standard substances
地质标准物质
geological reference materials
geological certified reference materials
geological reference material
geologic certified reference materials
geochemical reference material
arylaminomercaptotriazole
有机标准物质
organic reference materials
organic reference material
光谱标准物质
Spectral standard reference materials
spectral certified reference materials
standard spectrum material samples
标准物质研制
preparation of certified reference material
标准物质定值
the fixed value of standard substance
有证标准物质
Certified reference material
certified standard material
国家标准物质
national standard reference materials
芦丁标准物质
Standard reference material of rutin
基本标准物质
primary standard substance
作业标准物质
working standard material
土壤标准物质
soil standard reference substance
soil CRM
动力煤标准物质
power coal certified reference material