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The impact of high temperatures (24 to 39 degrees C) and low to moderately high humidities (20 to 70%) on the applicability of TLC systems for drug identification was studied during a 6 month climatologic cycle in Burkina Faso (West Africa). In general, the Rf values as observed on the plates were found to be substantially affected as compared with values obtained at temperate climates. Some TLC systems were more affected than others and the largest deviations of up to 30 Rf units were at low humidities. Tropical conditions also had a negative effect on the reproducibility of Rf values. However, when an Rf-correction procedure was applied, using reference mixtures of known drugs on each plate, accuracy as well as reproducibility of the resulting Rfc values were drastically improved and data thus corrected were found to be compatible with existing TLC data bases developed under moderate climatological conditions. The impact of high to extremely high humidities (70 to 100%) remains to be investigated. 相似文献
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Tobias Kelly 《Law & social inquiry》2006,31(1):39-74
This article examines the distribution of legal rights in the Israeli occupied West Bank. It argues that legal rights are distributed through a "jurisdictional politics" that tries to stabilize the contingent relationship between political community, territory, and legal subjects. In particular, this jurisdictional politics seeks to delimit the contradictory boundaries of the Israeli state by creating distinct categories of person out of the populations that live and work in the region. These issues are addressed by examining a dispute concerning the jurisdiction of Israeli law over Palestinian workers in Israeli settlements in the West Bank. The article ends by arguing that in the context of multiple movements of people, capital, and military force, attention must be paid to the often contradictory ways in which jurisdictional regimes seek to produce particular types of citizens and subjects. 相似文献
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Asser H. Thomsen M.D. Hans Petter Hougen M.D. D.M.Sc. Palle Villesen Ph.D. Ole Brink M.D Ph.D. Peter M. Leth M.D. Ph.D. D.M.Sc. 《Journal of forensic sciences》2020,65(3):833-839
Sharp force trauma is a common homicide method. The weapon is typically a knife, which is easily accessible and does not require special skills. We have analyzed all 471 sharp force homicides in Denmark during 1992–2016 with special focus on aspects that are relevant to forensic pathologists, including the distribution of wounds and organ injuries. Most homicides were committed inside with a kitchen knife. The front left thorax was the most common area to be affected by sharp force trauma. In 18.9% of the victims, there was only one sharp injury, the majority on the thorax. The most common trajectory for stab wounds was directly posterior with no deviation to the sides or up/down followed by directly anterior. The heart (including pericardium) and lungs (including hemo- and pneumothorax) had injuries in more than 75% of the victims. 67% of victims were males. Female victims had more sharp force injuries and defense wounds than male victims. Most females were killed in domestic homicides (73.7%), most commonly in partner killings (56.4%). In contrast, many male victims were killed in a setting of nightlife/intoxication (34.0%) most by a friend/acquaintance delivering a few stab wounds. The results clearly show strong sex differences in both victims and offenders. This could be useful for shaping policies and public opinion, and as a route for understanding the developments in interpersonal violence. In the narrow setting of death investigation, our results will provide an evidence-based approach to understanding the injury patterns in sharp force homicide. 相似文献
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