Search Results for: Optical media
, d. k. lynch، نويسنده , , c. c. venturini، نويسنده , , r. c. puetter، نويسنده , , r. b. perry، نويسنده , issue information : روزنامه با شماره پیاپی سال pages : from page : to page : abstract : we present the results of photometric and spectroscopic observations of two a-type stars (hd and hd ), optical
counterparts of the iras sources (f + and + , respectively). h (alpha)line emission is found in the optical spectra of both objects for the first time. our analysis of the spectral line profiles and the photometric information shows that hd is an a / ii star ( ... k, ..., ... km s , ...) with a mild...
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your company for free our solutions about kompass contact kompass login english available languages english 中文 agriculture & food chemicals, pharmaceuticals & plastics construction energy, environment education, training & organisations it, internet, r&d leisure & tourism electrical, electronics & optical
technology (it) and internet technical offices and engineering consultancies, architects leisure & tourism postal services, telecommunications, radio and television hospitality, tourism, hotel and catering industries leisure, culture and entertainment sports and leisure equipment electrical, electronics & optical...
https://cn.kompass.com/showNomenclature/