منابع مشابه
Memoranda Information Systems Flexibility : A Conceptual Framework
The information systems field hos pursued several different objectives such as productmty, quality, and integration as the primary focus of research and practice. The latest seems to be flexibility. In many fields,flexibility ü>seenasthe[ultimqte philosophy of the 1990s. Although Ackqff identified the need for flexible information systems as early as 1967, the importance of flexibility has only...
متن کاملPulse Doppler Analysis in External Ophthalmic and the Long Ciliary Ophthalmic Arteries in the Cat
Objective- Analysis of the PSV (peak systolic velocity), EDV (end diastolic velocity) and RI (Resistant Index) in external ophthalmic and the long ciliary ophthalmic arteries in the cat by pulse Doppler. Design- Descriptive study Animals- 12 short haired “Tomcats” weighted about 3.9± 0.9 Kg no e general and optic disease in clinical, paraclinical and ophthalmoscopic examinations. Pr...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1875
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(02)48706-5