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Agricultural Sciences 2016年第10期7卷 693-709页

作者： Laurence Loyon Philippe Dupard Patricia Saint-Cast fabrice Guiziou Irstea UR OPAALE Rennes France Université Européenne de Bretagne Rennes France

The use of air scrubbers to reduce ammonia (NH3) emissions from buildings on pig farms is one of the most promising techniques in the GÖteborg protocol and other European regulations including the Industrial Emission Directive. In France, some air scrubbers are currently used on pig farms, mainly to reduce odours from livestock buildings. However, recent research revealed the production of N2O resulting from the treatment of air from pig buildings. In this context, a two-month study was conducted on a pig farm with 750 places for fattening pigs to check the abatement of NH3 emissions and to assess the possible production of N2O during treatment of exhausted air from buildings housing fattening pigs by a air scrubber. Concentrations of NH3 and N2O in the inlet and outlet air of the scrubber were continuously monitored using an Innova 1412 infrared analyzer. With the scrubber operating parameters (airflow, design, size), our results confirmed the production of N2O in the order of 5% of NH3-N reduced. N2O was produced by biological nitrification and/or denitrification inside the air scrubber. Statistical analysis (Pearson’s test) showed that the production of N2O was strongly influenced by the rate of airflow and the outside temperature. The abatement of NH3 emissions from the building was only 33%, i.e. much lower than the 70% - 90% usually cited in the literature.

关键词： Wet Scrubber Ammonia Nitrous Oxide Piggery Air Treatment

ManUfaCturing,Testing and Alignment of Sentinel-2MSl Telescope Mirrors

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Journal of Physical Science and Application 2013年第2期3卷 72-78页

作者： Pierre Gloesener fabrice Wolfs Fabien Lemagne Carlo Flebus Advanced Mechanical and Optical Systems (AMOS) Angleur 4031 Belgium

The ESA Sentinel-2 mission developed by European Aeronautic Defense and Space Compagny （EADS） Astrium will be devoted to Earth high resolution spectral imagery for the purpose of a global environmental monitoring. As a subcontractor of EADS Astrium, AMOS was responsible for the manufacturing of the instrument telescope mirrors and for the validation of the telescope alignment procedure. This paper details the mirror manufacturing sequences from mirror CVD-SiC cladding to surface figuring and coating, outlining the metrology steps and their corresponding accuracy budget. The telescope alignment process is described in connection with the tooling and techniques that helped achieve the required optical performance of less than 90 nm RMS wavefront error within the telescope field of *** Gloesenet

关键词： Telescope mirror manufacturing silicon carbide alignment anastigmat

格拉夫的新风潮:干白?赤霞珠?环保?——访格拉夫、佩萨克-雷奥良、苏玳和巴尔萨克产区代表fabrice Reynaud、Marc Perrin与Anne Xaviere Vernay

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中国葡萄酒 2019年第1期 81-83页

作者： fabrice Reynaud Marc Perrin Anne Xaviere Vernay 不详

格拉夫在波尔多是一个神奇的存在,这里不仅出产最顶级的红葡萄酒,也出产最优质的白葡萄酒,以及最好的贵腐甜白。在格拉夫品鉴会和大师班开始之前,本刊专访了格拉夫、佩萨克-雷奥良以及苏玳和巴尔萨克产区代表,和他们一起聊聊2018年份,... 详细信息

格拉夫在波尔多是一个神奇的存在,这里不仅出产最顶级的红葡萄酒,也出产最优质的白葡萄酒,以及最好的贵腐甜白。在格拉夫品鉴会和大师班开始之前,本刊专访了格拉夫、佩萨克-雷奥良以及苏玳和巴尔萨克产区代表,和他们一起聊聊2018年份,卓越的白葡萄酒,以及葡萄种植的新趋势等。

关键词：产区赤霞珠干白新风环保白葡萄酒红葡萄酒葡萄种植

Heat Transfer within Direct Heating Integrated Moving Bed Torrefier by Method of Lines

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Journal of Sustainable Bioenergy Systems 2021年第1期11卷 1-13页

作者： Bosikawa Mosi fabrice Sumuna Temo Vertomene Mbuyi Katshiatshia Haddy Laboratory of New and Renewable Energy Université de Kinshasa Kinshasa Democratic Republic of Congo

This work deals with the determination of the temperature profile within a direct heating moving bed torrefier in order to determine its minimum column height. A thermal model based on eulerian-eulerian two-phase solid-gas theory was performed and solved with the method of lines. In addition, this study allows to investigate the effect of the biomass particle size on the minimum torrefier column height. This investigation was performed by changing, simultaneously, the diameter of particles and the minimum fluidization velocity of the bed. Then, the calculations were made for a counter-current torrefaction reactor of 30 cm in diameter and for 5 kg/h of the feed rate of raw sugarcane bagasse. Results show that the height of the reactor column must be at least 30 cm for that are 1 mm in diameter and 108 cm for particles that are 2 mm

关键词： Torrefaction Biomass Sugarcane Bagasse Moving Bed Method of Lines

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蓝莓根部的真菌群落结构对氮和磷增加的响应

蓝莓根部的真菌群落结构对氮和磷增加的响应

作者： Kabore Manegdebwaoaga Arthur fabrice 绍兴文理学院

学位级别：硕士

杜鹃花科植物广泛分布于陆地生态系统中。众所周知,它们在杜鹃花类菌根真菌(ERMF)与根形成的共生体的帮助下,能够在严酷的环境中生存。近年来,人为氮(N)和磷(P)的沉积急剧增加,从而影响了全球生态系统,以及植物根部的真菌群落。然而,人... 详细信息

杜鹃花科植物广泛分布于陆地生态系统中。众所周知,它们在杜鹃花类菌根真菌(ERMF)与根形成的共生体的帮助下,能够在严酷的环境中生存。近年来,人为氮(N)和磷(P)的沉积急剧增加,从而影响了全球生态系统,以及植物根部的真菌群落。然而,人们对其影响仍然知之甚少。本实验在盆栽条件下,通过添加不同浓度梯度的N(NHCl),P(Na HPO)和共同添加N(NHCl)和P(Na HPO),对3年生高丛蓝莓进行温室试验。经过4个月(春季)和8个月(夏季)的营养添加处理,采集毛根样本。利用高通量测序技术,对添加营养物质条件下与宿主毛根相关的真菌群落进行了测定,并对菌根侵染率和土壤的理化参数进行了测定。结果表明:春季和夏季发现蓝莓毛根中分别有259个OTUs和549个OTUs。主要优势目为子囊菌的Archaeorhizomycetales,担子菌的Sebacinales(公认的ERMF)。此外,与对照相比,营养添加导致真菌群落发生了较大变化,排序图清楚地说明了这一点。与对照组和其他处理组相比,氮和磷共同添加的处理组真菌群落的丰富度和多样性最高。另外,氮和磷共同添加处理在两个季节都能促进ERMF的相对丰度的增加,与其他处理组相比,其ERMF的增长更为稳定。而在单独进行氮或磷的处理组中,ERMF相对丰度随浓度梯度、季节都有变化。总体上,ERMF的相对丰度在夏季更高,与土壤参数无显著相关性。此外,本研究还发现了一些功能未知的特殊真菌目(Branch06和GS34)和一些病原真菌目(Olpidiales),它们都与土壤因子密切相关。本实验的测序结果中公认的ERMF——子囊菌的Helotiales相对丰度很低。与对照相比,添加了N和P的宿主根部菌根侵染率都有一定程度的下降。这些结果可能有助于更好地了解蓝莓根部的真菌群落结构在营养素添加下的响应。然而,今后对于这些未知真菌的鉴定,以及不同栽培品种蓝莓根部ERMF对营养的持续胁迫的响应,还需要在温室和苗圃中进行深入的研究。

关键词：蓝莓真菌群落结构杜鹃花类菌根氮磷

Farm-Scale Applicability of Three Covers (Peat, Polystyrene Balls and Synthetic Sheet Roof) to Reduce Ammonia Emissions from Pig Slurry Storage

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Agricultural Sciences 2016年第6期7卷 396-406页

作者： Laurence Loyon fabrice Guiziou Sylvie Picard Patricia Saint-Cast National Research Institute of Science and Technology for Environment and Agriculture (IRSTEA) UR OPAALE Rennes France University Bretagne Loire Rennes France

Covering the slurry pit has been shown to be one of the best ways to reduce ammonia emissions (NH3) during manure management. Yet, few studies have been conducted at farm scale. We studied the feasibility of three cover materials (peat, polystyrene balls and synthetic sheet roof) to reduce ammonia (NH3) emissions during on-farm storage of pig slurry. The impact on greenhouse gas emissions, methane (CH4), nitrous oxide (N2O) and carbon dioxide (CO2) of covering the slurry pit was also evaluated. Simultaneous field experiments were carried out using two similar pits at a farm with peat and polystyrene ball covers, which allowed direct comparison of the feasibility of the two covers to reduce gas emissions (measured using the dynamic chamber technique). Emissions from the third option (using a synthetic sheet roof) were estimated by measuring the concentrations in the headspace under the cover and the air leakage from the cover with a tracer gas (CO2). Results showed that the polystyrene balls cover reduced emissions of NH3 during storage by up to 80% whatever the season, but increased potential greenhouse gas emissions by 20% in summer. No consistent reduction was achieved with the peat cover even though some individual results seemed to indicate up to 25% reduction in ammonia emissions;moreover, there was a 30% increase in CH4 and CO2 emissions during the storage period. The use of a synthetic sheet roof enabled up to 90% reduction in NH3, CH4 and CO2 emissions whatever the season.

关键词： Ammonia Slurry Covers Farm-Scale Measurement Pig

Rescue associating liver partition and portal vein ligation for staged hepatectomy after portal embolization: Our experience and literature review

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World Journal of Clinical Oncology 2017年第4期8卷 351-359页

作者： Charlotte Maulat Antoine Philis Bérénice Charriere Fatima-Zohra Mokrane Rosine Guimbaud Philippe Otal Bertrand Suc fabrice Muscari Department of Visceral Surgery Toulouse-Rangueil University Hospital Department of Radiology Toulouse-Rangueil University Hospital Department of Digestive Oncology Toulouse-Rangueil University Hospital

AIM To report a single-center experience in rescue associating liver partition and portal vein ligation for staged hepatectomy(ALPPS), after failure of previous portal embolization. We also performed a literature *** Between January 2014 and December 2015, every patient who underwent a rescue ALPPS procedure in Toulouse Rangueil University Hospital, France, was included. Every patient included had a project of major hepatectomy and a previous portal vein embolization(PVE) with insufficient future liver remnant to body weight ratio after the procedure. The ALPPS procedure was performed in two steps(ALPPS-1 and ALPPS-2), separated by an interval phase. ALPPS-2 was done within 7 to 9 d after ALPPS-1. To estimate the FLR, a computed tomography scan examination was performed 3 to 6 wk after the PVE procedure and 6 to 8 d after ALPPS-1. A transcystic stent was placed during ALPPS-1 and remained opened duringthe interval phase, in order to avoid biliary complications. Postoperative liver failure was defined using the 50-50 criteria. Postoperative complications were assessed according to the Dindo-Clavien *** From January 2014 to December 2015, 7 patients underwent a rescue ALPPS procedure. Median FLR before PVE, ALPPS-1 and ALPPS-2 were respectively 263 cc(221-380), 450 cc(372-506), and 660 cc(575-776). Median FLR/BWR before PVE, ALPPS-1 and ALPPS-2 were respectively 0.4%(0.3-0.5), 0.6%(0.5-0.8), and 1%(0.8-1.2). Median volume growth of FLR was 69%(18-92) after PVE, and 45%(36-82) after ALPPS-1. The combination of PVE and ALPPS induced a growth of median initial FLR of +408 cc(254-513), leading to an increase of +149%(68-199). After ALPPS-2, 4 patients had stage Ⅰ-Ⅱ complications. Three patients had more severe complications(one stage Ⅲ, one stage Ⅳ and one death due to bowel perforation). Two patients suffered from postoperative liver failure according to the 50/50 criteria. None of our patients developed any biliary complication during the A

关键词： Rescue associating liver partition and portal vein ligation for staged hepatectomy Associating liver partition and portal vein ligation for staged hepatectomy Portal vein embolization Liver resection Future liver remnant

Nonlinear gallium phosphide nanoscale photonics[Invited]

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Photonics Research 2018年第5期6卷 I0068-I0074页

作者： AUDE MARTIN SYLVAIN COMBRIE ALFREDO DE ROSSI GREGOIRE BEAUDOIN ISABELLE SAGNES fabrice RAINERI Centre de Nanosciences et de Nanotechnologies CNRSUniversite Paris-SudUniversite Pans-SaclayC2N Marcoussis91460 MarcoussisFrance Thales Research and Technology France 1 avenue Augustin Fresnel91120 PalaiseauFrance Universite Paris Diderot Sorbone Paris Cite75013 ParisFrance

We introduce a nanoscale photonic platform based on gallium phosphide. Owing to the favorable material properties, peak power intensity levels of 50 GW∕cm^2 are safely reached in a suspended membrane. Consequently,the field enhancement is exploited to a far greater extent to achieve efficient and strong light–matter *** an example, parametric interactions are shown to reach a deeply nonlinear regime, revealing cascaded fourwave mixing leading to comb generation and high-order soliton dynamics.

关键词： Nonlinear gallium phosphide nanoscale photonics

Antimalarial activity of the aqueous extract of Euphorbia cordifolia Elliot in Plasmodium berghei-infected mice

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Asian Pacific Journal of Tropical Medicine 2020年第4期13卷 176-184页

作者： Raceline Gounoue Kamkumo Jaures Marius Tsakem Nangap Lauve Rachel Tchokouaha Yamthe FlorenceNgueguim Tsofack Patrick Valère Tsouh Fokou Mariscal Brice Tchatat Tali Théophile Dimo fabrice FekamBoyom Department of Animal Biology and Physiology University of Yaounde 1Cameroon Institute of Medical Research and Medicinal Plant Studies YaoundeCameroon Department of Biochemistry University of Yaounde 1Cameroon

Objective:To evaluate the antimalarial activity of the aqueous extract of Euphorbia(E.)cordifolia Elliot against Plasmodium(P.)berghei-infected ***:Thirty healthy Swiss mice were intraperitoneally inoculated with 200μL of *** parasitized-erythrocytes and divided into five groups,and then daily treated for 5 d with single dose of 10 mL/kg of distilled water for malaria control,10 mg/kg of chloroquine for the chloroquine control and 100,200 and 400 mg/kg of the aqueous extract of *** for the three test *** was monitored by *** the end of the treatment,animals were sacrificed,and blood was collected for haematological and biochemical *** were collected for biochemical and histopathological *** significance(P<0.05)was evaluated by analysis of variance followed by the Tukey post-test using Graphpad prism ***:*** extract decreased the parasite load to 2.46%,with an effective dose(ED50)of 113.07 mg/kg compared to the malaria group where the parasite load increased to(46.46±10.28)%.*** extract prevented hypoglycaemia,anaemia,leucocytosis and thrombocytopenia,attenuated the increase of transaminases activities,bilirubin and creatinine rate,and improved catalase and superoxide dismutase activities,while reducing malondialdehyde contents in the liver and *** extract significantly prevented histological damages observed in the malaria control *** acute toxicity sign was observed in mice with plant extract at the dose up to 5000 mg/***:*** extract at 200 and 400 mg/kg showed significant antimalarial *** results support its traditional use in the treatment of malaria.

关键词： Antimalarial activity Curative effects Euphorbia cordifolia Plasmodium berghei

Evaluation of the Effectiveness of MasonryConsolidation Treatments Based on ScratchingTomography

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Journal of Civil Engineering and Architecture 2013年第5期7卷 566-574页

作者： fabrice Dagrain Jean-Christophe Scaillett Sevasti Modestou Ioannis Ioannou Department of Civil Engineering and Structural Mechanics University of Mons Mons 7000 Belgium Construction Technical Support and Control Unit Ministry of the Walloon Namur 5000 Belgium Department of Civil and Environmental Engineering University of Cyprus Nicosia 1678 Cyprus

A challenge in the restoration of historical buildings is strengthened in order to guarantee their durability and the evaluation of the correct identification of materials which need to be the results of consolidation treatments which may be applied during their repair. Methods which make such a complex characterization possible are rare. This paper presents an investigation carried out at the University of Mons （Belgium） in collaboration with the technical support and control unit, restoration directorate, of the Walloon region, aiming to evaluate the effectiveness of consolidants used to strengthen stone masonry. The characterization of the materials is based on a novel semi-destructive scratching method which allows tomographic representation of the strength of the damaged and treated areas. This paper describes the experimental methodology and presents results from laboratory experiments as well as a case study.

关键词： Consolidation treatment ethyl silicate lime wash scratching test stones.