منابع مشابه
mesuring the staff technology readiness, the case of a multi national chemical company operating in iran
چکیده ندارد.
15 صفحه اولcomparative study of pain relieving effect of dry cotton pellet and eugenol cotton pellet in the reduction of pain in emergoney pulpotomy
چکیده ندارد.
15 صفحه اولThe chemical composition of standard cotton dust.
Cotton dust samples from Cotton Incorporated were investigated by X-ray fluorescence and proximate analysis methods. These dust samples are known as "standard cotton dust" and have been used by many researchers investigating the causative agent(s) and physiological mechanisms of byssinosis. Silicon, calcium, potassium, and aluminum were present in relatively high concentrations (1-4%) in the du...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1885
ISSN: 0036-8733
DOI: 10.1038/scientificamerican02211885-113