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51.
Arévalo-Jaramillo Paulina Idrobo Alicia Salcedo Lorena Cabrera Andrea Vintimilla Andrea Carrión Mayra Bailon-Moscoso Natalia 《Environmental science and pollution research international》2019,26(24):24911-24921
Environmental Science and Pollution Research - Toxicity refers to the potential of a substance such as a pesticide to cause damage to the structure or functions of an exposed organism. Pesticides... 相似文献
52.
This paper investigates the confluence of humanitarian aid, centralisation, and politics. The 7.0 magnitude earthquake in Haiti on 12 January 2010 led to more than USD 16 billion in pledges. By contrast, Hurricane Matthew, which made landfall in Haiti on 4 October 2016, stayed in the shadows, attracting about one per cent of the amount. While the earthquake exhibited one face of centralisation, the Category 4 storm laid bare rural vulnerabilities shaped by postcolonial state neglect, and reinforced by the influx of non-governmental organisations in the ‘Republic of Port-au-Prince’. The study draws on data from four case studies in two departments to illuminate the legacies of hyper-centralisation in Haiti. Compounding matters, Matthew struck in the middle of an extended election that the international community attempted to control again. The paper argues that disaster assistance and politics are uncomfortably close, while reflecting on the momentary decentralisation of aid after the hurricane and its effectiveness. 相似文献
53.
Izabela Michalak Paulina Wołowiec Katarzyna Chojnacka 《Environmental monitoring and assessment》2014,186(4):2259-2267
The aim of the present work was to investigate the exposure to lead from various sources by investigation of mineral composition of human scalp hair. The research was carried out on hair sampled from 267 young adults living in Wroc?aw (southwest Poland). The effect of the place of residence, diet, and lifestyle on lead content in hair was examined by inductively coupled plasma optical emission spectrometry (ICP-OES). Lead was determined at the wavelength 220.353 nm. These outcomes were reached by linking the results of lead level in hair with the results of questionnaire survey. The mean lead level in hair of the whole examined population was 2.01?±?2.10 mg kg?1. Lead can enter the human body mainly by inhalation and gastrointestinal absorption. It was found that consuming cheese, fish, and lettuce caused increased level of lead in hair. On the other hand, drinking of milk, tea, coffee, or lemon resulted in decreased content of lead in hair. Additional source of exposure to lead could be cigarette smoking, distance to the traffic road, painting the walls, amalgam filling. Based on the results, it can be concluded that exposure to lead can occur mainly from eating habits and environmental exposure. 相似文献
54.
Cerda IA Paulina Carabajal A Salgado L Coria RA Reguero MA Tambussi CP Moly JJ 《Die Naturwissenschaften》2012,99(1):83-87
Sauropoda is one of the most diverse and geographically widespread clades of herbivorous dinosaurs, and until now, their remains
have now been recovered from all continental landmasses except Antarctica. We report the first record of a sauropod dinosaur
from Antarctica, represented by an incomplete caudal vertebra from the Late Cretaceous of James Ross Island. The size and
morphology of the specimen allows its identification as a lithostrotian titanosaur. Our finding indicates that advanced titanosaurs
achieved a global distribution at least by the Late Cretaceous. 相似文献
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The beet armyworm (Spodoptera exigua) were fed on artificial food contaminated with zinc (200 mg kg(-1) dry mass) or cadmium (66 mg kg(-1) dry mass) for 15 generations. In 15th generation, O2 output and CO2 production of pupae were measured. Exposure to cadmium did not cause any effects whilst exposure to zinc led to a significant increase in the respiration rate of pupae. The average respiratory quotient (RQ) did not differ between treatments (ca. 0.7). 相似文献
58.
Solier Yamil Nahún Schnell Carla Natalí Galván María Verónica Mocchiutti Paulina Zanuttini Miguel Ángel Inalbon María Cristina 《Journal of Polymers and the Environment》2022,30(1):114-124
Journal of Polymers and the Environment - Novel hemicellulose-based films from polyelectrolyte complexes (PECs) of chitosan and xylan from sugar cane bagasse were prepared and characterized. PEC... 相似文献
59.
Mazur Karolina E. Borucka Aleksandra Kaczor Paulina Gądek Szymon Bogucki Rafał Mirzewiński Dariusz Kuciel Stanisław 《Journal of Polymers and the Environment》2022,30(6):2341-2354
Journal of Polymers and the Environment - In the study, polylactide-based (PLA) composites modified with natural particles (wood, bamboo, and cork) and with different levels of infilling (100%,... 相似文献