منابع مشابه
Sickness Assessment of Abbasid Caliphs and Their Causes of Death
Despite the peak of medical knowledge in the Abbasid period, the presence of famous medical families in the Abbasid court, translation and writing of medical works, attention to nutrition and health in the court of the Abbasid caliphs, the expectation of long life and quality was created for the Abbasid caliphs. However, all these possibilities were not used much by the caliphs, and if they had...
متن کاملAerosol Particle Processing and Removal by Fogs: Observations in Chemically Heterogeneous Central California Radiation Fogs
Fog composition and deposition fluxes of fog water and fog solutes were measured in six radiation fog events in San Joaquin Valley, California during winter 1998/1999. Measurements made at 2 hr intervals with 0.30 m2 and 0.06 m2 Teflon deposition plates yielded excellent reproducibility (relative standard deviations of 3.8–6.0%) for water, nitrate, sulfate and ammonium. Water fluxes measured at...
متن کاملTakeovers: Their Causes and Consequences
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متن کاملAir Pollution Processing by Radiation Fogs
Several fog episodes occurred in California’s San Joaquin Valley during winter 2000/2001. Measurements revealed the fogs to generally be less than 50 m deep, but to contain high liquid water contents (frequently exceeding 200 mg/m) and large droplets. The composition of the fog water was dominated by ammonium (median concentration= 608 μN), nitrate (304 μN), and organic carbon (6.9 ppmC), with ...
متن کاملOrganic matter in central California radiation fogs.
Organic matter was studied in radiation fogs in the San Joaquin Valley of California during the California Regional Particulate Air Quality Study (CRPAQS). Total organic carbon (TOC) concentrations ranged from 2 to 40 ppm of C. While most organic carbon was found in solution as dissolved organic carbon (DOC), 23% on average was not dissolved inside the fog drops. We observe a clear variation of...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1879
ISSN: 0036-8733
DOI: 10.1038/scientificamerican04261879-2746asupp