Results 171 to 180 of about 806,638 (215)

[Research advance of solid-phase microextraction based on covalent organic framework materials]. [PDF]

open access: yesSe Pu
Cheng YC   +8 more
europepmc   +1 more source

苹果园里养羊好

open access: yesSiliao yanjiu, 1984
黄更绪
doaj  

[Application of ion chromatographic fingerprint analysis for quality evaluation of tobacco flavors]. [PDF]

open access: yesSe Pu
Xu GY   +9 more
europepmc   +1 more source

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