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Evaluation of Aluminum Levels in Drinking Water of nouakchott

Journal of Pharmacy and Pharmacology 2021年第5期9卷 210-213页

作者： Brahim Ahmed Dick Mohamed Bouna Ammar Yahya Maham Ould Sidi HYLearoussy Mohamed Elkory Cheikh Laboratory of the Water PollutionEnvironmentFST Research UnitUniversity of Nouakchott AL-AasriyaNouakchott 880Mauritania National Medicines Quality Control Laboratory Nouakchott 5347Mauritania Laboratory of Process Engineering and Environment FST MohammediaUniversity of Hassan II CasablancaMorocco Geo-Biodiversity and Natural Patrimony Laboratory Scientific InstituteMohamed V University in RabatMorocco Laboratory LB2M Faculty of Science and TechniquesSidi Mohammed Ben Abdellah UniversityFezMorocco

The drinking water of nouakchott,the capital of Mauritania,comes from the Senegal *** current water treatment is done with aluminum *** order to monitor the aluminum content,from September 2015 to August 2016,three samples were taken monthly for each water source:pretreated water(from Beni Naji treatment station),treated water(from PK17 treatment station)and the water *** analysis results of the aluminum content of the treated water(full treatment)and pretreated water(first treatment)showed that the aluminum content of all samples was between 0.03 mg/L and 0.09 mg/L,with an average value of 0.07 mg/*** World Health Organization stipulates that the normal content of aluminum between 0.1 mg/L and 0.2 mg/*** the course of the study,the changes of aluminum content in samples from different places were *** change can be explained by coagulation-flocculation of aluminum *** aluminum content of the samples met the World Health Organization standards for drinking water.

关键词： Evaluation water treatment Aluminum nouakchott Mauritania.

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Estimation of Sea Level Rise on the West African Coasts: Case of Senegal, Mauritania and Cape Verde

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International Journal of Geosciences 2021年第2期12卷 121-137页

作者： Cheikh Ahmed Tidiane Sarr Mouhamadou Moustapha Mbacké Ndour Mahdi Haddad Issa Sakho Unite de Formation et de Recherches-Sciences de l’Ingénieur Université of Thiès Thiès Senegal Agence Spatiale ALgérienne Centre des Techniques Spatiales Arzew Oran Algérie Université Amadou Mahtar Mbow de Dakar Dakar Senegal UMR CNRS 6143 M2C Normandie Université Mont-Saint-Aignan France

The advent of technology in the world has led to enormous, varying economic and social changes. Those changes have influenced the climate balance, which leads to global temperature rise, hence oceanic expansion and melting glaciers. These various phenomena caused the variation in the mean sea level. Thus, in this study we have evaluated that variation from the instrumental recordings of the tide gauges available in the region, which led us to choose the tide gauges of Dakar (Senegal), nouakchott (Mauritania) and Palmeira (Cape Verde). The analysis of the tidal series began with the test of presence or absence of significant trends in the series using the Man-Kendall method followed by the decomposition of these series using the SSA, ARIMA and SLT techniques, which would result in the trend, seasonality and residues. The results of this analysis show a variation of 1.52 mm/year, 4.51 mm/year and 20.08 mm/year respectively for the Dakar, Palmeira and nouakchott tide gauges.

关键词： Sea Level Trend Analysis Senegal Palmeira nouakchott

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Heterotopia Basilingual Thyroid Goiter: A Case Rapport

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International Journal of Otolaryngology and Head & Neck Surgery 2021年第3期10卷 158-163页

作者： Dahi Mohamed Elmoctar Abdel Vetah Ladour Cheikh Sidi Lamine Keita S. M. Jiyide S. B. Cheikhna Mariem Aziza Sass Abdel Moumine Ahmedou Moulaye Idriss Tfeil Yahya ENT Department CHN Nouakchott Nouakchott Mauritania General Surgery Surgery Department Faculty of Medicine Nouakchott UNA Urology Department Faculty of Medicine Nouakchott UNA

Thyroid heterotopia is an abnormal localization of normal thyroid tissue coexisting with a normal organ and of normal localization. It is distinguished from ectopic thyroid and thyroid cancer metastasis. Lingual or sublingual thyroid is defined as the presence of thyroid tissue in the midline at the base of the tongue anywhere between the circumvallate papillae and the epiglottis. The prevalence of lingual thyroid is 1 in 100,000, and it is more common in women, with a female to male ratio ranging from 3:1 to 7:1. Embryologically, the thyroid originates at the foramen cecum, which is located at the junction of the anterior two thirds with the posterior one-third of the tongue, report a case of a goiter on a heterotopic basilingual thyroid tissue causing dysphagia in a 58-year-old woman operated in the ENT department of the CHN in nouakchott, Mauritania, the thyroid origin of the mass was confirmed by histology.

关键词： Basilingual Goiter Heterotopia nouakchott

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