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Atmospheric and Climate Sciences 2020年第4期10卷 597-613页

作者： salomon Obahoundje Vami Hermann Nguessan Bi Kouakou Lazare Kouassi Marc Youan Ta Ernest Amoussou Arona Diedhiou LAPAMF-African Centre of Excellence on Climate Change Biodiversity and Sustainable Development Université Félix Houphou&euml t Boigny Abidjan Ivory Coast Laboratoire Mixte International Nexus (LMI NEXUS) Université Félix Houphou&euml t Boigny Bingerville Abidjan Ivory Coast CUrAT (Centre Universitaire de recherche et d’Application en Télédétection) Université Félix Houphou&euml t Boigny Abidjan Ivory Coast UFr-Environnement Université Jean Lorougnon GUEDE Daloa Ivory Coast Département de Géographie et Aménagement de Territoire (DGAT/FLASH) Université de Parakou Parakou Benin IrD CNRS Grenoble INP IGE University Grenoble Alpes Grenoble France

Satellite precipitation products are widely used in different domain, in area where there is a lack in observation. These have different spatio-temporal resolutions consequently resulting in different precipitation amounts depending on the product. The present study validates three satellite products, namely the Climate Hazard group Infrared Precipitation with Stations (CHIrPS), the Climate research Unit (CrU) and the Global Precipitation Climatology Project (GPCP) over Bandama and Mono river basins for 1981-2005 and 1981-2016 respectively by comparing them to the observation precipitation of the basin. The available studies are focused on the regional scale but not on a watershed scale for hydrological studies. The analysis reveals that all the products are strongly correlated to each other as well as to the observed data at basin level. The Lamb coefficient test shows that most all the chosen basin namely Bandama and Mono presents the same climatic indices. All the products present the same variability and trend as the observation at basins scale. By comparing those products to observation, CHIrPS product following by GPCP give the lowest mean absolute error (MAE) at annual and seasonal time scales while CHIrPS is followed by CrU at monthly scale. Overall, all products overestimate the precipitation at Bandama basin while they underestimate it over Mono river basin. The comparison over 1981-2017 period of the total annual precipitation increasing southern ward (from Sahel to the coastal zone) for all the three studied products which varies from 300 mm to 2400 mm/year. All the three products are not significantly different from one another and they all highlight the same areas of hotspot rainfall in the region. The same conclusion is made at monthly and seasonal scales. Therefore, any of these products especially CHIrPS can be used for study in this region due to its lowest bias and MAE.

关键词： Precipitation Satellite Product West Africa Validation Mono and Bandama

Clinical, Hematological and Biochemical Health Benefit Effects of Hibiscus sabdariffa Lin Dried Calyces Beverage in Human

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Food and Nutrition Sciences 2016年第5期7卷 383-395页

作者： Ghislain Maffo Tazoho Inocent Gouado Mathieu Ndomou salomon Tchuandom Bonsi Yvonne Mbaduet Wamba Esther Etengeneng Agbor Department of Biochemistry Faculty of Science University of Dschang Dschang Cameroon Department of Biochemistry Faculty of Science University of Douala Douala Cameroon Penka-Michel’s District Hospital Laboratory Penka-Michel Cameroon Espace Priorité Santé du Cameroun Health Center Dschang Cameroon

Background/Objective: This study was carried out to investigate the health benefit effects of Hibiscus sabdariffa Lin (H. sabdariffa L.) dried calyces beverage on some clinical, biochemical and hematological parameters in humans. methods: The dried calyces were harvested in the two regions (Adamaoua and West) of Cameroon. The proximate, mineral composition and phytochemical screening were evaluated. A standardized extraction procedure was set up and from the calyces;we prepared a drink for 32 male volunteers’ subjects aged from 21 to 32 years, specially recruited for the experiment. Each participant consumed 500 mL twice a day (in the morning and in the evening) as supplement beverage during two weeks. The anthropometrics (age, height, weight, body mass index (BMI)), clinical (systolic and diastolic blood pressure), hematological (rBC, Hb, PCV, MCV, MCH, MCHC, WBC, Lymphocytes, MID cells, Granulocytes, platelet and MPV) and biochemical (TC, HDL-C, LDL-C, TG, serum iron, blood glucose, creatinine, urea, ASAT and ALAT) parameters were determined in the blood on days 0 and at the end of each week. results: Crude protein, lipid, fiber and ash content of calyx ranged respectively from 4.57 - 5.98, 10.10 - 11.33, 20.39 - 22.30 and 9.15% - 10.38% while the levels of minerals were ranged from 512.0 - 740.6, 77.8 - 177.7, 52.84 - 52.85, 1.10 - 2.10, 41.2 - 119.5, 3.25 - 8.20 and 0.56 - 17.5 mg/100g respectively for Ca, Mg, K, Na, P, Fe and Zn. The phytochemical screening tests revealed the presence of alkaloids, flavonoids, tannins, phenols and anthocyanins on methanol and aqueous extracts. A significant increase of rBC, Hb, PCV, MPV, HDL-C, TG and creatinine and a significant decrease of WBC, MID cells, LDL-C and TC (p re observed during the study period. Furthermore, there was no significant change on BMI, MCV, MCH, MCHC, lymphocyte, granulocyte, platelet, serum iron, blood glucose, ASAT, ALAT and urea levels. Conclusion: H. sabdariffa L. dried calyces from Camer

关键词： Hibiscus sabdariffa Lin Dried Calyces Chemical Composition Health General Well-Being Human

Optical Near Field Study of Ag Nanowires by the Differential method

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journal of Modern Physics 2012年第1期3卷 102-109页

作者： Mohamed Zoheir Chekroun Ghaouti Bassou Laurent salomon Aziz Zenati Ahmed Taalbi Hanifi Bendaoud Mohammed Ameri 不详

The optical response of subwavelength silver nanowires arranged periodically on silica has been analyzed numerically by the differential method improved by the S matrix algorithm. Our results improve the capacity of this rigorous method to give a description of various phenomena occurring in near and far field around the periodic grating. This renders pos- sible to determine the positions of plasmon’s resonance according to the choice of materials used and the geometrical properties. We study the behavior of the diffracted light by the nano-structure in both single nanowire case and grating nanowires case. The influence of the exact grating period and the induced modification of the spacer nanowire depend- ence are then discussed. Moreover, we present mappings of the electromagnetic field located at 50 nm above the nanowires.

关键词： Near-Field Differential method Nanowires Plasmons Silver

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利用漫反射光谱仪现场检测沥青路面老化情况

利用漫反射光谱仪现场检测沥青路面老化情况

作者： Delmar salomon

＜正＞沥青路面建成之后,由于交通与沥青成分氧化官能团化的缘故,沥青路面的质量很快就会开始退化。一般来说,沥青路面的氧老化和挥发物衰减是沥青脆化的主要原因,从而缩短沥青路面使用寿命。美国公路战略研究计划（SHrP）所研究的高性...

＜正＞沥青路面建成之后,由于交通与沥青成分氧化官能团化的缘故,沥青路面的质量很快就会开始退化。一般来说,沥青路面的氧老化和挥发物衰减是沥青脆化的主要原因,从而缩短沥青路面使用寿命。美国公路战略研究计划（SHrP）所研究的高性能沥青路面,即超级路面系统中介绍,在加速氧化的前后测量沥青胶结料的粘弹性参数,可以预测其老化指数和性能等级。在SHrP

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高精度制导用电荷耦合器件跟踪器

系统工程与电子技术 1983年第2期 56-66页

作者： PhilM.salomon ,关玉相

大面积电荷耦合器件(CCD)成象探测器和高速微处理机的新发展,推动美国喷气推进实验室(jPL)着手研制一项新型的光电跟踪仪器。这些仪器是为NASA的各种标准应用而设计的。其特点是有特别高的定向精度和稳定性,以及主要由软件确定的工作能... 详细信息

大面积电荷耦合器件(CCD)成象探测器和高速微处理机的新发展,推动美国喷气推进实验室(jPL)着手研制一项新型的光电跟踪仪器。这些仪器是为NASA的各种标准应用而设计的。其特点是有特别高的定向精度和稳定性,以及主要由软件确定的工作能力,从而易于适应各种飞行任务的要求。本文探讨了把CCD探测器引入星跟踪器的各种方法和用现有CCD器件可望达到的工作性能。介绍了用一个传感器可完成不同制导任务的多功能传感器概念。提出了从点源图象和扩展源图象有效提取制导信息的软件算法。介绍了目前jPL正在研制的星跟踪器方案,讨论了实验室测试得到的性能数据。

关键词：跟踪器空间飞行器探测器微处理机航天器 CCD 视场角电荷转移器件电荷耦合器件高精度

Contamination and Potential risks of Heavy metals in the Sediments of the Chari and Logon rivers in N’Djamena, Chad

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Open journal of Soil Science 2023年第2期13卷 29-45页

作者： Tchoroun Massang Digué Domga Tinda Noumi Guy Bertrand Madjitoloum Betoloum salomon Dangwang jean-Marie Dikdim Tarkodjiel Mianpereum Department of Chemistry Faculty of Exact and Applied Sciences University of N’Djamena N’Djamena Chad Department of Chemistry Faculty of Sciences University of Ngaoundere Ngaoundere Cameroon

The pollution of sediments by inorganic pollutants requires particularly important attention because of their toxicity, their persistence in the environment and their bioaccumulation by animal and plant life. The pollution of sediments by inorganic pollutants requires particularly important attention because of their toxicity, their persistence in the environment and their bioaccumulation by animal and plant living beings. This study focuses on the pollution of sediments of the Chari and Logon rivers in the city of N’Djamena by heavy metals. The objective of this study is to evaluate the degree of contamination, the geo-accumulation index and the degree of the Pollutant Loading Index of some heavy metals (Pb, Cr, Cu, Mn and Cd) and iron in the sediments of the sampled sites. The average concentrations of heavy metals and iron in the sediments are: Pb (10.00 ± 00 μg/Kg to 126 ± 16.52 μg/Kg);Cr VI (0.13 ± 00 mg/Kg to 0.21 ± 00 mg/Kg);Cd (trace);Cu (0.08 ± 0.02 mg/kg to 3.23 ± 0.64 mg/kg);Fe (0.25 ± 0.00 mg/kg to 5.79 ± 0.00 mg/kg);and Mn (0.2 ± 0.00 mg/Kg to 1.1 ± 0.00 mg/Kg);in order of highest to lowest abundance: Fe > Mn > Cd > Cu > Cr VI > Pb for the Logon;Fe > Cu > Mn > Cd > Cr VI > Pb for the Chari and Fe > Mn > Cu > Cd > Cr VI > Pb for the Confluent. The contamination factors for all heavy metals range from no contamination to low contamination for the sediments analyzed. The geo-accumulation indices indicate that the sampled sites are not polluted. The same is true for Er and rI which confirm an absence of ecological risks in the analyzed sediments.

关键词： Heavy metals Contamination Factor Geo-Accumulation Index Ecological risk Index Chari and Logone rivers in Chad

Cisplatin-Induced Posterior reversible Encephalopathy Syndrome—Brief report and review of the Literature

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journal of Behavioral and Brain Science 2012年第1期2卷 97-101页

作者： Limor Amit Irit Ben-Aharon Thomas Tichler Edna Inbar Aaron Sulkes salomon M. Stemmer Department of radiology rabin medical Center Beilinson Campus Petah-Tiqva Israel Institute of Oncology Davidoff Center Rabin Medical Center Beilinson Campus Petah-Tiqva Israel The Sackler Faculty of medicine Tel Aviv University Tel Aviv Israel

Cisplatin is one of the most broadly used chemotherapeutic agents. Several central nervous system toxicities have been attributed to this agent, among which is a rare clinicoradiological condition referred to as posterior reversible leukoen-cephalopathy syndrome (PrES) or reversible posterior leukoencephalopathy syndrome (rPLS). PrES is characterized by subacute onset of headache, visual disturbances, confusion, seizures and rarely, coma. This usually reversible syn-drome was associated in the past mainly with hypertension. Several reports have associated the syndrome with several immunosuppressive and chemotherapeutic agents suggesting a disruption of the blood brain barrier due to direct damage to the endothelium and vasogenic edema. This syndrome is readily diagnosed with Computed Tomography (CT) or Magnetic resonance imaging (MrI) studies and quick withdrawal of the causative agent in conjunction with supportive care including rapid hypertension control and reduction of elevated intracranial pressure when needed, usually reverse the neurological symptoms with minimal or even no sequela within several days. In this brief report and review of the literature we describe two cases of PrES in two female patients that occurred a few days after receiving Cisplatin-based chemotherapy. We discuss the clinical presentation, diagnosis and treatment of this syndrome by reviewing the literature. The escalating number of clinical reports of PrES merit further studies of the mechanism of toxicity, appropriate treatment and awareness of physicians to this life threatening

关键词： PrES rPLS Encephalopathy Cisplatin Hypertension

POM基MoS2自润滑复合材料的真空摩擦学特性研究

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合肥工业大学学报（自然科学版） 2009年第5期32卷 615-619页

作者：胡坤宏孙晓军徐玉福 mehari salomon 胡献国合肥工业大学机械与汽车工程学院安徽合肥230009 中国科学院兰州化学物理研究所固体润滑国家重点实验室甘肃兰州730000 德国达姆斯达特应用科学大学达姆斯达特D-64295

分别用前驱体分解法与剥层重堆法制备出二硫化钼纳米球(nano-MoS2)与聚甲醛/二硫化钼夹层化合物(MoS2-IC),再利用制备的nano-MoS2、MoS2-IC与微米二硫化钼(micro-MoS2)作为原料制备出POM/MoS2复合材料。在真空摩擦磨损试验机上考察了复... 详细信息

分别用前驱体分解法与剥层重堆法制备出二硫化钼纳米球(nano-MoS2)与聚甲醛/二硫化钼夹层化合物(MoS2-IC),再利用制备的nano-MoS2、MoS2-IC与微米二硫化钼(micro-MoS2)作为原料制备出POM/MoS2复合材料。在真空摩擦磨损试验机上考察了复合材料的摩擦学性能,结果表明,POM/nano-MoS2复合材料具有最好的摩擦学性能,POM/MoS2-IC复合材料次之,而POM/micro-MoS2复合材料性能与POM比没有改善;SEM分析显示,POM及其复合材料主要发生的是疲劳磨损,POM/nano-MoS2的疲劳磨损最轻,POM/MoS2-IC疲劳磨损最严重,POM与POM/micro-MoS2除了疲劳磨损外,还存在明显的粘着磨损。

关键词：二硫化钼聚甲醛复合材料真空摩擦学

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大范围低品位铜矿床的一种矿山规划方法

矿业工程 1981年第Z1期 83-91页

作者： salomon Camhaji Samra 邹继先墨西哥索诺拉州卡纳尼亚矿业公司规划开发所所长

序言企业现状卡纳尼亚矿区位于墨西哥共和国索诺拉州东北部,自1943年扩建,兴建了目前的选矿厂和第一批露天采场开始补充井下矿石的产量以来,该矿区供应了全国需铜量的半数以上。经过几次扩建,现在,地下矿已全部关闭。卡纳尼亚矿区已置... 详细信息

序言企业现状卡纳尼亚矿区位于墨西哥共和国索诺拉州东北部,自1943年扩建,兴建了目前的选矿厂和第一批露天采场开始补充井下矿石的产量以来,该矿区供应了全国需铜量的半数以上。经过几次扩建,现在,地下矿已全部关闭。卡纳尼亚矿区已置身于世界上最大矿山企业的行列。

关键词：矿山规划尼亚卡纳矿床电解厂溶剂萃取模量经济规划矿藏加工厂选矿厂扩建计划