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Effect of High-Speed Solar Winds Turbulence Upstream of the Earth’s Magnetosphere: Case of the Outer Minima of Solar Cycles 20, 21, 22, 23 and 24

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Open Journal of Applied Sciences 2023年第7期13卷 1145-1162页

作者： Inza Gnanou Salfo Kabore Aristide Marie Frédéric Gyebre Christian Zoundi jean-louis Zerbo Frédéric Ouattara É cole Normale Supérieure Koudougou Burkina Faso Department of Physics Laboratoire de Recherche en énergétique et Météorologie de l’Espace (LAREME) Université Norbert ZONGO Koudougou Burkina Faso Department of Physics Laboratoire de Matériaux d’Héliophysique et Environnement (LaMHE) Université Nazi BONI Bobo-Dioulasso Burkina Faso

Highly turbulent environment, the solar wind is a stream of very energetic particles mainly made of protons and electrons. During its trip in the interplanetary space, this solar flow becomes more accelerated during the outer minima (descending phases) of the solar cycles and can therefore influence all of humanity and its technology. These disturbances lead to socio-economic consequences requiring a precise knowledge of the climate variability. Using a statistical approach, we evaluate the response of the Earth’s magnetosphere to the High-Speed Solar Winds (HSSW) forcing during the peaks of the last five outer minima. To do so, 1UA data of solar wind and magnetic field parameters were extracted from OMNI browser. Analysis of the energetic solar plasma particles shows that strong geomagnetic field variations can occur even in the absence of large solar disturbances. While the normalized reconnection rate was estimated to be ~21% of the total variance of the magnetospheric variables, the upstream of the magnetic cavity was perturbed 80% of the time with large energies recorded. As a result, Earth’s magnetosphere becomes denser (i.e., more drag), which is a problem for spacecraft. Thus, the coupled solar wind-magnetosphere system follows scale-invariant dynamics and is in a state far from equilibrium. Our analysis provides insight into the main cause of geomagnetic storms with more than 97% of HSSW imposed in the range 300 - 850 km/s. These high-speeds lead to auroras that can disrupt electrical and communication systems.

关键词： Solar Wind Outer Minimum Magnetosphere Geomagnetic Field Solar Disturbances

Intervention de jean louis Bourlanges au colloque Chine Europe de Nansha

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法国研究 2006年第2期 1-5页

作者： jean louis Bourlanges 欧盟议会

冷战后的欧盟在指导方针上出了问题,她不知是把自己建成一个联邦(美国式的联邦或合作型的联邦)还是建成一个地处欧洲的小联合国。对这个问题我们现在必须给出答案,否则欧盟还会陷入危机。

关键词：欧盟联邦全球化

Let’s wish JIM a long and brilliant life!

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Journal of Intensive Medicine 2021年第1期1卷 2-3页

作者： jean-louis Teboul Service de Medecine Intensive-Reanimation Hopital BicetreAP-HPUniversite Paris-SaclayLe Kremlin-BicetreParis 94270France

Dear Readers,Today is a great day;Journal of Intensive Medicine is *** can just call it *** must be wondering why we are launch-ing a new journal since so many means of disseminating scien-tific information all over the world already *** to 15 years ago,hundreds of new medical journals have emerged and social media has developed *** soon as medical in-formation deemed important is revealed,it is immediately dis-seminated and,in a few seconds,relayed on social *** the worldwide use of smartphones,tablets and computers,it is difficult these days for the medical community members to miss important ***,you may wonder why we are launching a new medical journal dedicated to critical care *** following points should help you to under-stand our approach.

关键词： Medical journal Editor Publication Critical care medicine

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陶瓷膜微滤分离酪蛋白与乳清蛋白

哈尔滨工业大学学报 2009年第6期41卷 78-81页

作者：董晶莹马莺陈历俊 jean-louis Maubois 哈尔滨工业大学食品科学与工程学院哈尔滨150080 北京三元食品股份有限公司技术中心北京100085 Laboratoire de Recherches de Technologie Laitier INRA 65 rue de Saint Brieuc 35042 Rennes Cedex France

为解决干酪加工过程中乳清的处理问题,选用0.14μm的陶瓷膜将脱脂乳中的酪蛋白和乳清蛋白分开,将干酪加工过程的乳清这一"副产物"转变成"联产物".确定的分离操作条件为:温度50℃,流速5m/s,跨膜压力为0.5bar.随着浓缩因子的增加,总蛋白... 详细信息

为解决干酪加工过程中乳清的处理问题,选用0.14μm的陶瓷膜将脱脂乳中的酪蛋白和乳清蛋白分开,将干酪加工过程的乳清这一"副产物"转变成"联产物".确定的分离操作条件为:温度50℃,流速5m/s,跨膜压力为0.5bar.随着浓缩因子的增加,总蛋白、酪蛋白、总固形物、脂肪及钙的质量分数均显著地增加.该过程得到的透过液无菌、无脂,为天然状态的"理想"乳清,为后续高附加值产品的生产提供了便利,具有广阔的市场前景.采用预酸化步骤可以有效地降低截留液中钙的质量分数,从而降低干酪加工过程可能存在的缺陷问题.

关键词：微滤酪蛋白乳清蛋白预酸化

乳源酵母Pichia fermentans的抗氧化特性

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哈尔滨工业大学学报 2010年第2期42卷 292-296页

作者：陈历水马莺 jean-louis MAUBOIS 刘巧红哈尔滨工业大学食品科学与工程学院哈尔滨150090 法国农业科学研究院雷恩乳品中心雷恩法国35042

为得到新的天然抗氧化剂,采用DPPH法和抑制脂质过氧化法对11株来源于牛乳的酵母菌抗氧化活性进行测定,包括他们的完整细胞和无细胞提取物,发现Pichia fermentans BY5有较好的抗氧化活性.分析不同条件下*** BY5细胞提取物的抗氧化活性,... 详细信息

为得到新的天然抗氧化剂,采用DPPH法和抑制脂质过氧化法对11株来源于牛乳的酵母菌抗氧化活性进行测定,包括他们的完整细胞和无细胞提取物,发现Pichia fermentans BY5有较好的抗氧化活性.分析不同条件下*** BY5细胞提取物的抗氧化活性,发现培养基的起始pH值、培养时间、培养基种类对酵母菌的抗氧化活性和蛋白质含量影响显著(P<0.05);而抗氧化活性与蛋白质含量显著相关(P<0.01).将酵母BY5在pH6的麦芽培养基中培养2d后清除DPPH活性可达60%;在pH6的YPD培养基中培养4d后抑制脂质过氧化能力达到74%.

关键词： Pichia fermentans 抗氧化活性蛋白质原料乳

Epidemiological and Clinical Aspects of Hospitalized Patients with Chronic Rheumatic Disease at Cocody University Hospital in Abidjan

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Open Journal of Rheumatology and Autoimmune Diseases 2023年第3期13卷 65-70页

作者： Ehaulier Soh Christian louis Kouakou Charles Sougué Konan Joe Clauvis Yao Aissata Traore Joseph Kan Enock Koffi jean Jacques Goua Francine Same Bebey Phillipe Goupille jean Claude Felix Daboiko Rheumatology Department Bouake University Hospital Bouake C&#244te d’Ivoire Rheumatology Department Cocody University Hospital Abidjan C&#244te d’Ivoire Department of Internal Medicine Sour&#244 Sanou University Hospital Bobo Dioulasso Burkina Faso Rheumatology Department Laquintinie Hospital Douala Cameroon Rheumatology Department Tours University Hospital Tours France

Objective: To study the epidemiological and diagnostic features of chronic rheumatic disease (CRD) in a black population in sub-Saharan Africa. Patients and Methods: Retrospective descriptive study over eight years (January 2005 to December 2012) of patients seen for CRD in rheumatology hospitalization at the CHU de Cocody in Abidjan, Côte d’Ivoire. Results: Of 3147 hospitalized patients, 92 had CRD, a frequency of 2.9%. The mean age of patients was 43.50 ± 15.6 years (extremes: 10 to 79 years). The sex ratio was 0.08 (7 men and 85 women). The socio-economic level was low in 44 patients (47.8%), medium in 44 patients (47.8%), and high in 4 patients (4.4%). The reasons for consultation were polyarthritis (64.1%), polyarthralgia (30.4%), and oligoarthritis (5.4%). The mean duration of symptomatology was 19 months (range: 3 to 20 years). The mean length of hospital stay was 14.2 ± 7.7 days (range: 2 to 36 days). The CRD observed were: rheumatoid arthritis (59.8%), systemic lupus erythematosus (23.9%), mixed connective tissue disease (6.5%), undifferentiated connective tissue disease (3.3%), polymyositis (3.3%), systemic scleroderma (2.2%), and systemic vasculitis (1%). Conclusion: CRD is not uncommon in rheumatology hospitals in Abidjan. Diagnostic delays are long, and rheumatoid arthritis and systemic lupus erythematosus are the most frequently encountered conditions.

关键词： Chronic Rheumatic Disease Rheumatoid Arthritis Lupus Abidjan

Epidemiological and Diagnostic Features of Non-Traumatic Gonalgia in Adults in Bouake (Ivory Coast): About 140 Patients

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Open Journal of Rheumatology and Autoimmune Diseases 2023年第4期13卷 78-87页

作者： Kouakou Ehaulier Soh Christian louis Sougué Charles Yao Konan Joe Clauvis Traore Aissata Koffi Joseph Kan Enock Goua jean Jacques Same Bebey Francine Goupille Phillipe Daboiko jean Claude Felix Rheumatology Department University Hospital Center Bouaké Bouaké C&#244te d’Ivoire Internal Medicine Department University Hospital Center Sour&#244 Sanou Bobo Dioulasso Burkina Faso Rheumatology Department Laquintinie Hospital Douala Cameroon Rheumatology Department University Hospital Center Tours France

Background: Non traumatic gonalgia is the second most common reason for rheumatology consultations and accounted for 15.6% of rheumatological disorders in Abidjan. Objective: The aim of this work was to study the epidemiological and diagnostic features of non-traumatic gonalgia (NTG) in a black adult population from sub-Saharan Africa. Patients and Methods: This was a five-year retrospective descriptive study (January 2014 to December 2018) of black sub-Saharan African adult patients with non traumatic gonalgia seen in the rheumatology department of the Bouake University Hospital in Côte d’Ivoire. Results: Of 2198 patients seen for rheumatological conditions, 140 had non traumatic gonalgia (6.4%). The mean age of patients was 56.13 ± 13.3 years (extremes 20 and 87 years), and the sex ratio was 0.43 (42 men and 98 women). Gonalgia without swelling was observed in 33.6% of cases. Symptoms were predominantly progressive (97.1%), chronic (82.1%) and bilateral (50%). The causes of TNM were gonarthrosis (85%), septic arthritis (7.1%), reactive arthritis (2.9%), gout (2.9%), rheumatoid arthritis (1.4%) and chondrocalcinosis (0.7%). Gonarthrosis (119/140) was bilateral in 65 patients, bi- or tri-compartmental in 83, radiographic stage (Kellgren and Lawrence) III in 80 and IV in 15. A germ was isolated in two cases of septic arthritis (methicillin-sensitive Staphylococcus aureus and Streptococcus pneumoniae). Conclusion: GNT is common in rheumatology practice in Bouake, and mainly affects women in their fifties. It is most often a chronic bilateral gonalgia, with gonarthrosis as the main etiology.

关键词： Non-Traumatic Gonalgia Gonarthrosis Bouake

Shared Resource Quality Monitoring and Dynamic Trust Management in a Community Cloud

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Open Journal of Applied Sciences 2022年第11期12卷 1898-1914页

作者： Rodrigue N’goran Linda N. Vallee Grâce Y. E. Johnson jean-louis Tetchueng Yvon Kermarrec Olivier Asseu Lastic ESATIC Abidjan Ivory Coast University of Rennes 1 Rennes France Lab-STICC IMT-Atlantique Brest France

The collaboration tools offered by Cloud Computing have increased the need to share data and services within companies or between autonomous organizations. This has led to the deployment of community cloud infrastructures. However, several challenges will arise from this grouping of heterogeneous organizations. One of the main challenges is the management of trust between the actors of the community. Trust issues arise from the uncertainty about the quality of the resources and entities involved. The quality of a resource can be examined from a security or functional perspective. Therefore, ensuring security and monitoring the quality of resources is to ensure a high level of trust. Therefore, we propose in this paper a technique for dynamic trust management and quality monitoring of resources shared between organizations. Our approach consists, on the one hand, in evaluating the quality of resources based on quality of service measurement attributes and, on the other hand, in updating the trust values according to the information deduced from these measurements. The proposed framework is evaluated in terms of resource sharing success rate and execution time. Experimental results and comparison with TNA-SL and InterTrust models show that the framework can identify and track the behavior of malicious organizations with relatively low execution time.

关键词： SMI (Service Measure Index) Trust Management SLA QoS Community Cloud

Sliding walls: a new paradigm for fluidic actuation and protocol implementation in microfluidics

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Microsystems & Nanoengineering 2020年第1期6卷 1093-1102页

作者： Bastien Venzac Yang Liu Ivan Ferrante Pablo Vargas Ayako Yamada Remi Courson Marine Verhulsel Laurent Malaquin jean-louis Viovy Stephanie Descroix Laboratoire Physico Chimie Curie Institut CuriePSL Research UniversityCNRS UMR16875005 ParisFrance Sorbonne Universites UPMC Univ Paris 0675005 ParisFrance Institut Pierre-Gilles de Gennes PSL Research University75005 ParisFrance Institut Curie PSL Research UniversityCNRS UMR 14475005 ParisFrance LAAS-CNRS Universitéde ToulouseCNRS31400 ToulouseFrance

Currently,fluidic control in microdevices is mainly achieved either by external pumps and valves,which are expensive and bulky,or by valves integrated in the *** types of internal valves or actuation methods have been proposed,but they generally impose difficult compromises between performance and fabrication *** propose here a new paradigm for actuation in microfluidic devices based on rigid or semi-rigid walls with transversal dimensions of hundreds of micrometres that are able to slide within a microfluidic chip and to intersect microchannels with hand-driven or translation stage-based *** this new concept for reconfigurable microfluidics,the implementation of a wide range of functionalities was facilitated and allowed for no or limited dead volume,low cost and low *** demonstrate here several fluidic operations,including on/off or switch valving,where channels are blocked or reconfigured depending on the sliding wall *** valves sustain pressures up to *** and reversible compartmentalisation of large microfluidic chambers were also *** last possibility was applied to a“4D”migration assay of dendritic cells in a collagen ***,sliding walls containing a hydrogel-based membrane were developed and used to concentrate,purify and transport biomolecules from one channel to another,such functionality involving complex fluidic transport patterns not possible in earlier microfluidic ***,this toolbox is compatible with“soft lithography”technology,allowing easy implementation within usual fabrication workflows for polydimethylsiloxane *** new technology opens the route to a variety of microfluidic applications,with a focus on simple,hand-driven devices for point-of-care or biological laboratories with low or limited equipment and resources.

关键词： walls hundreds operations