Programmed by Bloomberg News, the Qatar Economic Forum will convene the world leaders and international CEOs who are providing unique perspectives on these and other major themes driving forward the global economy. Access to the Qatar Economic Forum is by invitation only.

What is the IRC? The interactive Outcomes and Evidence Framework supports humanitarian and development professionals to design effective program activities and models. The iOEF delivers key information on outcomes related to health, safety, education, economic wellbeing, power and systems strengthening.

The asymmetric indices (AI) of qOEF (qOEF-AI) and cbOEF (cbOEF-AI) were obtained from regions of interest symmetric placed on left and right sides of cerebral hemisphere. To optimize the summation time of PET data for the cbOEF image, qOEF and cbOEF images with various summation times were compared.

Results: cbOEF (SS)-AI underestimated qOEF-AI significantly, especially with a greater AI (P < 0.05). cbOEF (BO)-AI linearly correlated well with qOEF-AI. CBV correction improved the slopes of regression lines between qOEF-AI and cbOEF (SS)-AI, …

Carbon monoxide is used to determine regional cerebral blood volume for use in correction in triple oxygen brain studies. Oxygen extraction fraction (OEF) and the cerebral metabolic rate of oxygen...

Conclusion: The cbOEF obtained by (15)O (2) imaging from 4 min after (15)O (2) inhalation to 7 min or longer can correctly diagnose misery perfusion. The less invasive count-based PET method used in this study will be able to reduce examination time, exposure time, and stress for patients with ischemic cerebrovascular disease.

Oxygen-15-gas brain PET is the most reliable examination technique for evaluating misery perfusion, defined as impaired hemodynamics with a regional increase in the oxygen extraction fraction (OEF), in imaging modalities. Patients with this condition have a higher risk of stroke recurrence than patients with normal OEF (1 – 4).

2014年10月7日 · "The Q.E.F. at the end of the proof is an abbreviation for the Latin words quod erat faciendum which means “which was to be done.” A few of the propositions, as this one and the next two, solve problems by constructions. These are the ones that end with Q.E.F." I doubt greatly Euclides used a latin phrase to end his proofs....

To ensure high fidelity display of immersive media, the bandwidth, latency and network traffic patterns will need to be considered to ensure a user's Quality of Experience (QoE). In this article,...

1. noun, vulgar slang A sudden expulsion of air from the vagina with a sound resembling flatulence. Queefs are really nothing to be ashamed of—they're just rushes of air that happen to make funny sounds! 2. verb, vulgar slang To expel air out of the vagina in a …