Qatar blockade hits helium supply

Big Hits

T here aren't many sports articles in the journal Science, so it was with great interest that I read " A Late Hit for Pro-Football Players " by Greg Miller (www. sciencemag.org). 3 This article is a very interesting compilation of recent research and developments in the area of sports-related concussion. The article highlights the efforts of Chris Nowinski, a former Harvard football standout wh...

HITS and Misses: Combining BM25 with HITS for Expert Search

This paper describes the participation of Dublin City University in the CriES (Cross-Lingual Expert Search) pilot challenge. To realize expert search, we combine traditional information retrieval (IR) using the BM25 model with reranking of results using the HITS algorithm. The experiments were performed on two indexes, one containing all questions and one containing all answers. Two runs were s...

Qatar water challenges

Qatar has experienced rapid economic growth due to the discovery and production of fuel oil and natural gas (NG). The natural renewable water resources (rainfall and groundwater [GW]) are depleted; and are estimated as 71-m/per year per capita in 2005. This is far below the water poverty line of 1,000-m/yca. The GW withdrawal is excessive (compared to replenishment) and is used mainly for irrig...

Qatar Content Classification

Hepatocellular carcinoma in qatar.

OBJECTIVE The main aim of this study was to report and discuss epidemiological, etiological, type of treatment and data on survival of the patients with each mode of treatment using available data for patients with hepatocellular carcinoma (HCC) who have been diagnosed at Hamad Medical Corporation during the period March 2004-December 2010 inclusive. MATERIALS AND METHODS Retrospective analys...