权威例句
Study of structure and properties by X-ray diffractograms of the coordination spheres of the substanceSolitary Bone and Extramedullary PlasmacytomaUltrapurification of 76 Ge-enriched GeH 4 by distillationGas chromatographic determination of benzothiophenes in high-purity sulfurUltrapurification of 76GeGas chromatography/mass spectrometry determination of impurities in high-purity isotopically enriched silaneImpurity composition of monoisotopic 28 SiF 4 silicon tetrafluorideMolecular composition of organic impurities in extrapure sulfurFine purification of monoisotopic 32 S and 34 SImpurity composition of high-purity isotopically enriched monosilane and monogermane