Standard addition method and internal standard method
内标标准加入法
standard of aroma type and standard sample
标准和标样
Particle Size and Size Distribution
粒度及粒度分布
粒径及分布
polymer particle size and size distribution
乳胶粒大小和分布
pore size and pore size distribution
孔径及孔径分布
Size and Size Distribution
尺寸及其分布
胶粒大小及分布
Li is an important theory category in Carving the Dragon .There are lots of Li in Carving the Dragon and they are standard of measuring writers and work.The article illumistrates by the way of writers