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Assessment of Climate Change Impact on Water Requirement and Rice Productivity

Rice science 2023年第4期30卷 276-293页

作者： Konan Jean-Yves n’guessan Botou ADAHI Arthur-Brice KOnAn-WAIDHET Satoh MASAYOSHI nogbou Emmanuel ASSIDJO Environmental Training and Research Unit Laboratory of Environmental Sciences and TechnologiesUniversitéJean Lorougnon GuédéBP 150 DaloaCôte d’Ivoire Department of Training and Research of Rural Engineering and Geographic Sciences Institut National Polytechnique FÉLIX HOUPHOUËT-BOIGNYBP 1093 YamoussoukroCôte d’Ivoire University of Tsukuba Ibaraki 305-8577Japan Department of Training and Research of Chemical and Food Engineering Laboratory of ModellingInformation and ProcessesInstitut National Polytechnique FÉLIX HOUPHOUËT-BOIGNYBP 1093 YamoussoukroCôte d’Ivoire

Assessing the impact of climate change(CC)on agricultural production systems is mainly done using crop models associated with climate model *** review is one of the few,with the main objective of providing a recent compendium of CC impact studies on irrigation needs and rice yields for a better understanding and use of climate and crop *** discuss the strengths and weaknesses of climate impact studies on agricultural production systems,with a particular focus on uncertainty and sensitivity analyses of crop *** the new generation global climate models(GCMs)are more robust than previous ones,there is still a need to consider the effect of climate uncertainty on estimates when using *** GCMs cannot directly simulate the agro-climatic variables of interest for future irrigation assessment,hence the use of intelligent climate ***,sensitivity and uncertainty analyses must be applied to crop models,especially for their calibration under different *** impacts of CC on irrigation needs and rice yields vary across regions,seasons,varieties and crop ***,integrated assessments,the use of remote sensing data,climate smart tools,CO_(2)enrichment experiments,consideration of changing crop management practices and multi-scale crop modeling,seem to be the approaches to be pursued for future climate impact assessments for agricultural systems。

关键词： climate change rice production irrigation crop model climate model

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Endoscopic treatment of biliopancreatic pathology in patients with Whipple's pancreaticoduodenectomy surgical variants: Lessons learned from single-balloon enteroscopy-assisted ERCP

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Hepatobiliary & Pancreatic Diseases International 2024年第5期23卷 509-514页

作者： Rodrigo Garcés-Durán Laurent Monino Pierre H Deprez Hubert Piessevaux Tom G Moreels Department of Gastroenterology and Hepatology Universitécatholique de LouvainCliniques Universitaires Saint-LucAvenue Hippocrates 101200 BrusselsBelgium

Background: Endoscopic treatment of biliopancreatic pathology is challenging due to surgically altered anatomy after Whipple's pancreaticoduodenectomy. This study aimed to evaluate the feasibility and safety of single-balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography(SBE-ERCP) to treat biliopancreatic pathology in patients with Whipple's pancreaticoduodenectomy surgical variants. Methods: We retrospectively analyzed 106 SBE-ERCP procedures in 46 patients with Whipple's variants. Technical and clinical success rates and adverse events were evaluated. Results: Biliary SBE-ERCP was performed in 34 patients and pancreatic SBE-ERCP in 17, including 5 with both indications. From a total of 106 SBE-ERCP procedures, 76 were biliary indication with technical success rate of 68/76(90%) procedures and clinical success rate of 30/34(88%) patients. Mild adverse event rate was 8/76(11%), without serious adverse events. From a total of 106 SBE-ERCP procedures, 30 were pancreatic indication with technical success rate of 24/30(80%) procedures( P = 0.194 vs. biliary SBEERCP) and clinical success rate of 11/17(65%) patients( P = 0.016 vs. biliary SBE-ERCP). Mild adverse event rate was 6/30(20%)( P = 0.194 vs. biliary SBE-ERCP), without serious adverse events. After SBE-ERCP failure, endoscopic ultrasound-guided drainage, percutaneous drainage and redo surgery were alternative therapeutic options. Conclusions: Biliopancreatic pathology after Whipple's pancreaticoduodenectomy variants can be treated using SBE-ERCP without serious adverse events. Technical and clinical success rates are high for biliary indications, whereas clinical success rate of pancreatic indications is significantly lower. SBE-ERCP can be considered as first-line treatment option in this patient group with surgically altered anatomy.

关键词： Enteroscopy Endoscopic retrograde cholangiopancreatography Pancreaticoduodenectomy Surgically altered anatomy Whipple’s procedure

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Manifestations of Abuse of Women in Childbirth in Public Hospitals in Ivory Coast: Case of Hospital Center Regional from Divo

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Open Journal of Emergency Medicine 2022年第4期10卷 194-209页

作者： nanan Doh n’guessan Gerard Abidjan C&#244 te d’Ivoire

The aim of this study is to describe the manifestations of abuse of women in childbirth. The techniques and tools for collecting data are documentary research, observation, questionnaire and interview. The study was based on a sample of 72 people determined according to the method of reasoned choice. As for data analysis, the method of processing is qualitative and quantitative. In terms of results, it should be noted that the average age of women in childbirth is 23 and those aged 16 - 24 represent the largest segment of the survey population. Most of these women are illiterate or drop out very early. They belong to several religious communities and are of various nationalities. Regarding the manifestations of mistreatment, we retain that they are of several types the most significant of which are verbal abuse, physical abuse, neglect and psychological abuse. These abuses have taken place for some women at their first or last delivery, at all their deliveries or at a single delivery. In general, young women between the ages of 16 and 25 are the most victims of mistreatment in childbirth. Various authors are at the origin of the mistreatment of women in childbirth. They are young midwives often single and childless.

关键词： Abuse Woman in Childbirth Midwife Manifestations Divo Ivory Coast

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Mapping and Petro-Structural Study of the Geological Formations of the Alépé Region (South-East of Côte d’Ivoire)

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International Journal of Geosciences 2023年第2期14卷 187-208页

作者： Allialy Marc Ephrem Diakite Sekou Houssou n’guessan nestor Kouadio Fossou Jean-luc Adingra Martial Pohn Koffi Laboratory of Geology Mineral and Energy Resources (LGRME) Faculty of Earth Science and Mineral Resources Félix Houphoue&#235t Boigny University Abidjan C &#244te d’Ivoire Laboratory of Geology Mineral and Energy Resources (LGRME) Faculty of Earth Science and Mineral Resources Félix Houphoue&#235t Boigny University Abidjan C&#244te d’Ivoire

This study focuses on the petrographic and structural characteristics of the geological formations of the Alépé region in the Comoé basin. The petrographic characterization allows us to retain that the study area abounds in a variety of lithologies: amphibole metagranite, metadiorite, amphibolite and metagrauwacke. The lineament map attests that the study area was affected by polyphase tectonics (ductile and brittle), all these deformations have nW-SE to nnW-SSE;nW-ESE to nW-SE;EnE-OSW and nE-SW directions. Coupled geochemical data show that the protoliths of the studied rocks evolve between granites and gabbros that are weakly to moderately be altered. They would originate from continental crust and mantle and would be emplaced in collision contex.

关键词： Lithostructural geochemistry Birimian Comoe Basin Alépé Côte d’Ivoire

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Petrogenetic Characterization of the Geological Formations of the Localities of Goumere-Iguela in the South West of the Bui Belt (north-East of Cote d’Ivoire)

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Open Journal of Geology 2022年第11期12卷 947-972页

作者： Fossou Jean-luc Hervé Kouadio Tokpa Kakeu Lionel-Dimitri Boya n’guessan nestor Houssou Roger nicaise Kanga Alain nicasie Kouamelan Laboratoire de Géologie Ressources Minérales et Energétiques Université Félix Houphou&#235 t-Boigny Abidjan-Cocody C&#244 te d’Ivoire

Located in the north-east of Côte d’Ivoire, the Gouméré-Iguéla sectors were the subject of a geological mapping. These geological formations are located southwest of the Bui trench. In order to improve the petrogenetic knowledge of the study area, a multidisciplinary methodology integrating microscopic observations and geochemical analyses of major and trace elements was carried out on 15 samples considered as representative of the studied outcrops. The macroscopic and microscopic petrographic study allowed to highlight three major lithological units: 1) a volcano-plutonic unit, formed by gabbros and amphibole-pyroxenite, basalt and rhyodacite;2) a volcano-sedimentary unit containing pyroclastites (of basaltic and andesitic composition);3) a sedimentary unit (meta-sedimentary). These rocks are affected by a general metamorphism of green schist facies and a hydrothermal alteration with pervasive and vein alteration marked by the presence of quartz, calcite, epidote, chlorite and sericite. From a geochemical point of view, the results obtained indicate that the plutonites are gabbros while the volcanites and volcanosedimentary rocks have compositions of basalts, basaltic andesites, rhyolites and dacites. They have mainly a tholeitic character related to subduction zones with crustal contamination. The metasediments are arenites emplaced in an active continental margin environment.

关键词： Petrography Geochemistry Petrogenetics Gouméré-Iguéla Côte d’Ivoire

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Fouimba and Goma Mounts Greenstone Belts Litho-Structural Analysis Related to Côte D’Ivoire Birimian Geodynamic Setting and Implying in West-Africa Craton Gold Deposits

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Journal of Geoscience and Environment Protection 2023年第1期11卷 150-168页

作者： Marc Ephrem Allialy Brice Roland Kouassi n’guessan nestor Houssou Fossou Jean luc Kouadio Davy Bedel Siogbo Félix Oufouet Konan UFR-STRM Felix Houphouet-Boigny University Abidjan C&#244 te d’Ivoire UFR-Biological Sciences Géosciences Department Peleforo Gon Coulibaly University of Korhogo Korhogo C&#244 te d’Ivoire Ministry of Mines Petroleum and Energy Abidjan C&#244 te d’Ivoire

Mount Fouimba and Mount Goma (Seguela) greenstone belts petro-structural studies combine remote sensing, geophysics, petrography and structural analysis. In view of establishing mapping details of paleoproterozoic geological formations, geological setting rocks observed are essentially magmatic formations, such as two-mica granite, granodiorites, and porphyritic basalts;and a few metamorphics which are metatonalite, amphibolites and amphibo-lopyroxenites. Remote sensing, such as Landsat 8 OLI satellite imagery and geophysical data, has been combined to show regional nnE-SW shear zone. Tectonic structures and microstructures have enabled to identify two main deformation phases: D1 phase corresponding to compression, and D2 is a transpression phase. Mechanisms responsible for deformations are respectively flattening and transpression. Geological formations derived from mantle origin but contain crustal components, and their tectonic setting occurred during subduction.

关键词： Petro-Structural Mapping Greenstone Belt Birimian Séguéla Côte D’Ivoire

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Mechanism of Degradation of Rice Starch Amylopectin by Oryzenin Using OnIOM Quantum Calculations [DFT/B3LYP/6-31+G(D, P): AM1]

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Computational Chemistry 2022年第4期10卷 139-156页

作者： Bamba El Hadji Sawaliho n’guessan Boka Robert Laboratoire de Constitution et de Réaction de la Matière UFR SSMT Université Félix Houphou&euml t-Boigny Abidjan C&ocirc te d’Ivoire

Understanding the molecular factors of rice degradation during its aging concerns our research team. This article emphasizes oryzenin-amylopectin. It aims to reveal the mechanism of amylopectin deterioration during rice aging. The research exploits the natural Bond Analysis and OnIOn method at theory level DFT/B3LYP/6-31+G(d, p) and AM1. This methodological approach allows highlighting amylopectin transformation;oryzenin converts amylopectin into amyloidosis in continuous. This led to monosaccharides and disaccharides.

关键词： Amylopectin Hydrogen Bond Theoretical Method Starch Oryzenin

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Litho-Structural and Geochemistry Analysis of Granitoids from Mount Fouimba and Goma in Seguela Area (Central-Western Côte d’Ivoire)

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Open Journal of Geology 2023年第1期13卷 72-89页

作者： Allialy Marc Ephrem Houssou n’guessan nestor Kouadio Fossou Jean luc Davy Bedel Siogbo Kouassi Brice Roland Konan Houphouet Felix UFR-STRM Felix Houphouet-Boigny University Abidjan-Cocody Abidjan C&#244 te d’Ivoire DGMG Abidjan C&#244 te d’Ivoire UFR-Biological Sciences Géosciences Department Peleforo Gon Coulibaly University of Korhogo Korhogo C&#244 te d’Ivoire

The petrogeochemical analysis of the granitoids of Mount Fouimba and Mount Goma in the Seguela region (central-western C?te d’Ivoire) is the subject of this study. This analysis combines remote sensing, geophysics, petrography and geochemistry, in order to determine the major characteristics of the granitoids in the study area, and above all to participate in the detailed mapping of all the Ivorian terrains. The granitoids encountered in this region are essentially two-mica granites, granodiorites and porphyry basalts. Chemical analysis indicates that these granitoids are of the ferrous and magnesian type with peraluminous to weakly metaluminous characteristics. They originate from the mantle and were emplaced in an active continental margin context.

关键词： Petrogeochemistry Granitoids Seguela Côte d’Ivoire

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Persistently High Glycated Hemoglobin in a Subgroup of Type 2 Diabetic Patients Who Failed Usual Oral Antihyperglycemics and Insulin in Côte d’Ivoire

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Advances in Biological Chemistry 2023年第3期13卷 100-109页

作者： Louise Odile Moke-Bedji Assieoussou Jean-luc n’guessan Lydie Boyvin Colombe Lohore Gnogbo Alexis Bahi Allico Joseph Djaman Amos Ankotche Diabetes and Hypertension Clinic Treichville University Hospital Abidjan C&#244te d’Ivoire Faculty of Biosciences Felix Houphou&#235t-Boigny University (UFHB) Abidjan C&#244te d’Ivoire Department of Fundamental and Medical Biochemistry Institute Pasteur of C&#244te d’Ivoire (IPCI) Abidjan C&#244te d’Ivoire

Background: Type II diabetes mellitus is associated with multiple metabolic derangements which can cause secondary pathophysiological changes in multiple organ systems. This in turn can impose a heavy burden of morbidity and mortality from micro‑ and macro‑vascular complications. This study aimed to describe the metabolic and therapeutic profile of a subgroup of type 2 diabetic patients who have treatment failure with oral anti-hyperglycemic agents with persistent hyperglycemia despite insulin treatment. Methods: 60 type 2 diabetic patients in treatment failure with oral antidiabetics and under insulin treatment, aged 35 to 70 years, were recruited at the Diabetes Clinic of the University Teaching Hospital of Treichville in Abidjan, Côte d’Ivoire. Blood samples were collected in tubes containing Ethylenediaminetetraacetic Acid (EDTA) to determine glycated hemoglobin (HbA1c). Results: The average age of the population was 54 ± 9.38 years with a sex ratio (M/F) of 0.3, an average BMI of 30.25 ± 5 kg/m2, and an average HbA1c of 10.1% ± 1.6% for an average diabetes duration of 11.8 ± 5.8 years. The average insulin dose was 74.556 ± 16.21 UI/day, and the average duration of insulin treatment was 5.4 ± 3.1 years. The average HbA1c value was 10.1% ± 1.87% in men against 10.03% ± 1.53% in women with no significant difference (p = 0.1). The mean HbA1c values according to patient weight were 10.08% ± 2.05% for normal weight, 9.55% ± 2.26% for overweight, and 10.57% for obese, with no significant difference between the three groups of patients (p = 0.1). Conclusion: This study showed a persistence increase in glycated hemoglobin regardless of the treatment regimen, duration, and dose of insulin treatment in the subpopulation of type 2 diabetic patients.

关键词： High Glycated Hemoglobin Type 2 Diabetic Insulin Côte d’Ivoire

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Conformally flat, minimal, Lagrangian submanifolds in complex space forms

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Science China Mathematics 2022年第8期65卷 1641-1660页

作者： Miroslava Antić luc Vrancken Faculty of Mathematics University of BelgradeBelgrade 11000Serbia Laboratoire de Mathématiques pour l’Ingénieur Université Polytechnique Hauts-de-FranceValenciennes 59313France Departement Wiskunde Katholieke Universiteit LeuvenLeuven 3001Belgium

We investigate n-dimensional(n≥4),conformally flat,minimal,Lagrangian submanifolds of the n-dimensional complex space form in terms of the multiplicities of the eigenvalues of the Schouten tensor and classify those that admit at most one eigenvalue of multiplicity *** the case where the ambient space is Cn,the quasi umbilical case was studied in Blair(2007).However,the classification there is not complete and several examples are ***,we complete(and extend) the classification and we also deal with the case where the ambient complex space form has non-vanishing holomorphic sectional curvature.

关键词： Lagrangian submanifolds conformally flat complex space form warped product submanifold

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