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Endogenous ethanol concentrations in blood were determined by sensitive headspace gas chromatography/mass spectrometry in 1557 residents of the United Arab Emirates. The subjects were from 13 nationalities, of both sexes and of different age groups. There was no significant difference in blood ethanol concentration between nationalities or between sexes within and between nationalities. The data was pooled and the overall median, minimum, maximum, 25% percentile and 75% percentile were 0.04, 0.00, 3.52, 0.01 and 0.09 mg/dl respectively. The values of blood ethanol concentration as reported in this study indicate that they are far too low to have any forensic significance.  相似文献   
2.
The study presents a case of fatal poisoning with oleander leaves in an adult diabetic male. After repeated vomiting, and gastrointestinal distress the patient was admitted at the hospital with cardiac symptoms 1h after the ingestion. Urine samples were assayed immunochemically and by GC-MS for drugs of abuse and for general toxicological screen. Blood was analyzed for alcohol and volatiles by static head space GC-MS. Blood and oleander leaves were analyzed by LC-MS/MS for oleandrin and related compounds, the main cardiac glycosides of Nerium oleander. Oleandrin was detected by LC-MS/MS in the blood sample at a concentration of approximately 10 ng/ml. Another cardiac glycoside with pseudo-molecular ion of m/z 577, a likely structural isomer of oleandrin, was also detected in the blood and oleander leaves. However, by using the response as a function of concentration for oleandrin, this cardiac glycoside was roughly estimated at a concentration of approximately 10 ng/ml in the deceased blood. This would give a total fatal blood concentration of cardiac glycosides of about approximately 20 ng/ml in the deceased blood.  相似文献   
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The Communist Party is, by its very nature and principles of organization, a democratic and independent organization that bases its activity on voluntary public service. Lenin repeatedly emphasized this aspect of the matter. He wrote: "All the party's affairs are conducted, directly or through representatives, by all members of the party, enjoying equal rights and with no exceptions" (Lenin, Soch., Vol. II, p. 396).  相似文献   
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This study explores the role of the news media in asymmetrical conflicts after countries have signed a peace agreement. While most research has focused on the inherently negative role the press plays in attempts to bring peace, this study attempts to look at this issue using a more dynamic perspective. The theoretical argument focuses on how political factors affect the quantity and quality of the news flow and some of the ways in which leaders can sometimes overcome the obstacles they face in promoting encouraging news about peace. The model considers two political factors that have a major impact on media performance: the relative level of political power of the two sides and the varying amount of hostility. To illustrate the importance of these factors we focus on the flow of news between Jordan and Israel between 1999 and 2002. The major findings from content analyses of news articles ( N  = 859) appearing in both countries show that while Jordanians are exposed to massive amounts of mostly negative information about Israel, the Israeli public reads almost nothing about Jordan. Despite all this, it was also found that the initiation of diplomatic relations between the former enemies allowed for the creation of important 'news slots' that were previously unavailable. This development created space for less threatening types of news and also allowed leaders from both Jordan and Israel to initiate some positive stories about peace, even during some of the darkest periods.  相似文献   
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