منابع مشابه
SIP Extensions for QoS support Oct - 02 Glossary SIP Session Initiation Protocol
This work describes an enhancement to SIP protocol for the interworking with QoS enabled IP networks. The proposed mechanism is simple and it fully preserves backward compatibility and interoperability with current SIP applications. The draft describes also, as an example, the application of this mechanism to a particular QoS enabled IP network, which implements Diffserv as transport mechanisms...
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The objective was to analyse whether the activity of the cytochrome P450 isoenzyme CYP3A4 is altered by disease activity of rheumatoid arthritis (RA). Urinary 6b-hydroxycortisol excretion, expressed as a fraction of the urinary creatinine output, was measured in 21 patients with RA treated with three different disease-modifying anti-rheumatic drugs (DMARDs) over 24 weeks. There were no correlat...
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Stream: Contributed session Plenary session Chair: Laura Palagi, Dipartimento di Ingegneria informatica automatica e gestionale, La Sapienza Università di Roma, Via Ariosto, 25, 00185, Roma, Italy, [email protected] Chair: Fabio Schoen, Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Firenze, via di Santa Marta, 3, 50139, Firenze, Italy, [email protected] Wednes...
متن کامل4,4,6a,6b,11,12,14b-Heptamethyl-16-oxo-1,2,3,4,4a,5,6,6a,6b,7,8,9,10,11,12,12a,14a,14b-octadecahydro-12b,8a-(epoxymethano)picen-3-yl acetate
The title compound, C32H48O4, which was extracted from the bark of Rhododendron arboreum, consists of five fused rings to which an acetate and seven methyl groups are attached. The A, D and E rings adopt chair conformations, the B ring is in a distorted chair and the C ring is in a half-chair conformation. The five-membered ring formed by the lactone group, which bridges from the A/B to the B/C...
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In the title compounds, C21H30O4, (I), and C23H34O4, (II), respectively, which are valuable intermediates in the synthesis of important steroid derivatives, rings A and B are cis(5 ,10 )-fused. The two molecules have similar conformations of rings A, B and C. The presence of the 5 ,6 -epoxide group induces a significant twist of the steroid nucleus and a strong flattening of the B ring. The dif...
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ژورنال
عنوان ژورنال: Plastic and Reconstructive Surgery - Global Open
سال: 2019
ISSN: 2169-7574
DOI: 10.1097/01.gox.0000583444.66699.8e