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不同自然植被管理措施对红壤丘陵果园水土流失的影响(英文)

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农业工程学报 2003年第5期19卷 42-46页

作者：水建国柳俊廖根清程岩兴区越富周权康 Allard jean-louis 浙江省农业科学院土肥所浙江大学城市学院浙江省金华市婺城区土肥站先正达中国投资有限公司 Syngenta Asia Pacific Pte Ltd 250 North Bridge Road 179101Singapore

丘陵是“山—丘—谷”的过渡地带 ,生态系统脆弱 ,一旦植被遭破坏 ,极易水土流失。在红壤丘陵园地应用除草剂调控水土流失试验结果表明 :与传统的清耕法相比 ,克无踪、草甘膦、草草克、克克草和生草法可使地表径流量分别减少47.7%,2 0 .... 详细信息

丘陵是“山—丘—谷”的过渡地带 ,生态系统脆弱 ,一旦植被遭破坏 ,极易水土流失。在红壤丘陵园地应用除草剂调控水土流失试验结果表明 :与传统的清耕法相比 ,克无踪、草甘膦、草草克、克克草和生草法可使地表径流量分别减少47.7%,2 0 .8%,31.4%,41.3%和 45 .5 %;可使土壤侵蚀量分别减少 5 2 .4%,39.0 %,48.1%,5 0 .7%和 5 5 .2 %;可使土壤养分分别减少 5 0 .2 %,37.0 %,41.8%,45 .8%和 6 0 .3%。除草剂对杂草再生率影响 ,与生草法比较 ,克无踪可达 6 7.2 %,草甘膦达 30 .3%,草草克 36 .8%,克克草 5 1.2 %和清耕法 5 5 .1%;克无踪调控杂草效果分别是草甘膦的 2 .2倍 ,清耕法的 1.2倍。克无踪调控杂草效果显著 ,有望成为红壤丘陵园地培肥与水保相得益彰的有效措施。

关键词：植被管理除草剂水土流失丘陵果园红壤

INFRARED SPECTROSCOPIC ELLIPSOMETRY : A NEW TOOL FOR AUTOMATED SILICON METROLOGY.

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INFRARED SPECTROSCOPIC ELLIPSOMETRY : A NEW TOOL FOR AUTOMAT...

Preventing species invasion:A role for integrative taxonomy?

第8届国际材联电子材料国际研讨会

作者： Pierre BOHER Marc BUCCHIA jean Philippe PIEL jean louis STEHLE SOPRA S.A. 26 rue Pierre Joigneaux 92270 Bois-Colombes France SOPRA S.A. 26 rue Pierre Joigneaux 92270 Bois-Colombes France SOPRA S.A. 26 rue Pierre Joigneaux 92270 Bois-Colombes France SOPRA S.A. 26 rue Pierre Joigneaux 92270 Bois-Colombes France

＜正＞ A new tool dedicated to 300mm silicon metrology is presented. It is based on an infrared spectroscopic ellipsometer （IRSE）. Generally applied in the visible range this technique has long been recognized as very powerful to characterize thin films and multilayer structures and it is now routinely used for non-destructive on-line characterization of semiconductor process. Up to now, infrared spectroscopic ellipsometry has not seen the same development. R＆D tools have been developed by various providers including SOPRA, but the performances were not sufficient to allow a real industrial characterization. The measurement is generally

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Integrative Zoology 2016年第3期11卷 214-228页

作者： Maria V.MAZZAMUTO Andrea GALIMBERTI Giacomo CREMONESI Benoît PISANU jean-louis CHAPUIS Jan STUYCK Giovanni AMORI Haijun SU Gaetano ALOISE Damiano G.PREATONI Lucas A.WAUTERS Maurizio CASIRAGHI Adriano MARTINOLI Environment Analysis and Management Unit-Guido Tosi Research Group Department of Theoretical and Applied SciencesUniversity of InsubriaVareseItaly ZooPlantLab Department of Biotechnoly and BiosciencesUniversity of Milano-BicoccaMilanItaly Department of Biology and Biotechnology“Charles Darwin ”SapienzaRome UniversityRomeItaly Centre of Ecology and Conservation Sciences Sorbonne UniversityMNHNCNRSUPMCNational Museum of Natural HistoryParisFrance Research Institute for Nature and Forestry GeraardsbergenBelgium CNR-Institute of Ecosystem Studies Department of Biology and Biotechnology“Charles Darwin”SapienzaRome UniversityRomeItaly Forestry College Guizhou UniversityGuiyangGuizhouChina University of Calabria Museum of Natural History of Calabria and Botanical GardenArcavacata di Rende(CS)Italy

Integrative taxonomy,a multi-disciplinary approach adding modern techniques to traditional morphology-based methods(*** and morphological criteria),can play an important role in bioinvasion research to identify introduced taxa,discover pathways of introduction and inform authorities to control and prevent future *** present study is the first on introduced populations of Callosciurus,Asiatic tree squirrels,known as potentially invasive species in Europe(Italy,Belgium and France).We combined molecular(mitochondrial DNA markers:CoxI,D-loop)and morphometric analysis on skulls,comparing them to the widest morphological and molecular datasets ever assembled for *** collected in Italy and Belgium share the same haplotypes and skull characteristics,but are conspicuously different from the French population in *** data revealed close similarity between French squirrels and Pallas’s squirrels,Callosciurus erythraeus,from Taiwan,*** and Belgian squirrels formed an independent taxonomic lineage in genetic analyses,whose taxonomic rank needs further *** morphological and morphometric characteristics of these 2 populations are,however,similar to known specimens assigned to Callosciurus *** results may indicate a common origin for the populations found in Belgium and *** contrast,French specimens suggest an independent introduction event of squirrels originating from Asia.

关键词： Callosciurus CoxI D-loop invasive species morphometric analysis

Evaluation of Energy Consumption of Proactive, Reactive, and Hybrid Routing Protocols in Wireless Mesh Networks Using 802.11 Standards

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Journal of Computer and Communications 2018年第4期6卷 1-30页

作者： Sidoine D. Samo jean louis E. K. Fendji Department of Computer Engineering Institute of Technology University of Ngaoundéré Ngaoundéré Cameroon

This paper provides a deep evaluation of the energy consumption of routing protocols. The evaluation is done along with other metrics such as throughput and packet delivery ratio (PDR). We introduce two more metrics to capture the efficiency of the energy consumption: e-throughput and e-PDR. Both are ratios in relation to the energy. We consider the three low layers of the stack. Three types of routing protocols are used: proactive, reactive, and hybrid. At the MAC and PHY layer, three radio types are considered: 802.11a/b/g. Finally, the number of nodes is varying in random topologies, with nodes being static or mobile. Simulations are conducted using NS3. The parameters of a real network interface card are used. From the results in mobile position scenarios, no protocol is outperforming the others;even if OLSR has the lowest energy consumption, most of the time. However, in constant position scenarios, AODV consumed a lower energy, apart from the scenarios using the 802.11a standard where HWMP energy consumption is the lowest. Regarding the energy efficiency, AODV protocols provided the best e-throughput and OLSR the best e-PDR in overall configurations. A framework for selecting energy-efficient routing protocol depending on network characteristics is proposed at the end.

关键词： Energy consumption Routing Protocols Wireless Mesh Networks e-Throughput e-PDR

Interaction between Live Yeast and Dietary Rumen Degradable Protein Level: Effects on Diet Utilization in Early-Lactating Dairy Cows

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Agricultural Sciences 2015年第1期6卷 1-13页

作者： Christine Julien jean Philippe Marden Eric Auclair Raymond Moncoulon Laurent Cauquil jean louis Peyraud Corine Bayourthe Université de Toulouse INPT ENSAT UMR1388 Génétique Physiologie et Systèmes d’Elevage Castanet-Tolosan France INRA UMR1388 Génétique Physiologie et Systèmes d’Elevage Castanet-Tolosan France Université de Toulouse INPT ENVT UMR1388 Génétique Physiologie et Systèmes d’Elevage Toulouse France Lesaffre Feed Additives Marcq-en-Baroeul France INRA UMR1348 PEGASE F-35590 Saint-Gilles France

Four early lactating Holstein cows were used to study the effect of live yeast (LY, Actisaf®CNCM I-4407, Lesaffre Feed Additives, Marcq en Baroeul, France) supplementation on diet digestive utilization of dairy cows receiving concentrated corn silage-based diets with two rumen-degradable protein (RDP) levels. For a 33 d period, cows were fed a total mixed ration (TMR) containing an adequate level (AL) of RDP or a low level (LL, 30% below AL) by using soybean meal or tanned soybean meal, respectively: for 21 d with no LY addition followed by 12 d during which LY was added to the diet. The pH and redox potential (Eh) were recorded and ruminal fluid samples were collected over 3 consecutive days. Feces were collected individually over 48 h and individual dry matter intake (DMI) was measured for determining apparent nutrient digestibility. The effective degradability of individual feed ingredients composing both diets was evaluated with nylon bags technique. Structure of the ruminal bacterial community was studied and diversity index was calculated. Digestibility of organic matter (OM) and crude protein (CP) were lower for LL than those for AL. With LY, digestibility of OM and CP was increased: +2.4 and +0.8 points, for AL, and +3.7 and +5.9 points for LL, respectively. Live yeast reduced dietary N ruminal degradation with both AL and LL. Ruminal pH and Eh were lower with AL compared to LL: 5.95 and –167 mV vs. 6.13 and –144 mV. Live yeast increased ruminal total volatile fatty acids (VFA) (+8.6%), C2 (+10%), and C4 (+35%) contents for LL and decreased that of C3 (?9.8%) for AL. Neither the structure of bacterial populations of the rumen nor the diversity index (Shannon) was altered by treatments. Those results suggested a specific interest in using LY in RDP deficient diets for early lactating cows.

关键词： Dairy Cow Live Yeast Nitrogen Digestion Ruminally Degradable Protein

Solar Activity and Meteorological Fluctuations in West Africa: Temperatures and Pluviometry in Burkina Faso, 1970-2012

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International Journal of Astronomy and Astrophysics 2013年第4期3卷 408-411页

作者： jean-louis Zerbo Frédéric Ouattara Emmanuel Nanéma LERSEM University of Koudougou Koudougou Burkina Faso UFR/ST Polytechnic University of Bobo Dioulasso Bobo-Dioulasso Burkina Faso

In this paper we investigate the fluctuations of solar activity and their links with climatic parameters in West Africa. We achieve our research by investigating several data plotted using averages. Mean to our results we can assume that active solar is associated with weak incident cosmic ray consequently with low cloudiness which brings warming. Likewise, quiet solar is associated with important cloud cover and consequently brings important precipitations and chills terrestrial atmosphere. This implies the necessity to deal with space phenomenon by considering the severe interconnection between solar activity indices for interplanetary and earth environment weather forecasting.

关键词： Solar Activity Temperatures Precipitations Cloud Cover Solar Cycle

Trust Assessment Model Based on a Zero Trust Strategy in a Community Cloud Environment

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Engineering（科研） 2022年第11期14卷 479-496页

作者： Rodrigue N’goran jean-louis Tetchueng Ghislain Pandry Yvon Kermarrec Olivier Asseu Lastic ESATIC Abidjan Ivory Coast University of Rennes 1 Rennes France Lab-STICC IMT-Atlantique Brest France

The adoption of Cloud Computing services in everyday business life has grown rapidly in recent years due to the many benefits of this paradigm. The various collaboration tools offered by Cloud Computing have eliminated or reduced the notion of distance between entities of the same company or between different organizations. This has led to an increase in the need to share resources (data and services). Community Cloud environments have thus emerged to facilitate interactions between organizations with identical needs and with specific and high security requirements. However, establishing trust and secure resource sharing relationships is a major challenge in this type of complex and heterogeneous environment. This paper proposes a trust assessment model (SeComTrust) based on the Zero Trust cybersecurity strategy. First, the paper introduces a community cloud architecture subdivided into different security domains. Second, it presents a process for selecting a trusted organization for an exchange based on direct or recommended trust value and reputation. Finally, a system for promoting or relegating organizations in the different security domains is applied. Experimental results show that our model guarantees the scalability of a community cloud with a high success rate of secure and quality resource sharing.

关键词： Trust Management Resources Sharing Community Cloud Zero Trust

Solar Activity, Solar Wind and Geomagnetic Signatures

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Atmospheric and Climate Sciences 2013年第4期3卷 610-617页

作者： jean-louis Zerbo Frédéric Ouattara Christine Amory Mazaudier jean-Pierre Legrand John D. Richardson Ecole Normale Supérieure de l’Université de Koudougou Koudougou Burkina Faso Institut National des Sciences de l’Univers (INSU) Paris France Kavli Institute for Astrophysics and Space Research Massachusetts Institute of Technology Cambridge USA LPP-Laboratoire de Physique des Plasmas/UPMC/Polytechnique/CNRS Saint-Maur-des-Fossés France Université Polytechnique de Bobo-Dioulasso Bobo-Dioulasso Burkina Faso

The present study investigates solar events through geomagnetic activity and physical processes on the Sun: 1) Quiet activity (QA) related to the slow solar wind, 2) Recurrent activity (RA) related to high and moderate speed solar wind streams from coronal holes, 3) Shock activity (SA) identified by observations of SSCs and 4) Unclear activity (UA) which contains all activity not covered by the first three cases. For recent cycles, we analyze and emphasize some important results: Quiet activity is predominant for cycle 23, comprising 40% of the total activity and over 80% of the activity near solar minimum. Shock and recurrent activity contributions to total geomagnetic activity are largest in cycle 20. The most fluctuating events are observed during cycles 21 and 22. Throughout solar cycle 23, the contribution, from each type of activity, differs from recent solar cycles, with larger percentages of quiet and recurrent activity and less unclear activity. These percentages are similar to those in solar cycles observed in the late 1800s. Since 1963, solar wind data are available. We analyze the distribution of the solar wind velocity for each geomagnetic class of activity and find that: 1) Within each activity type aa does not depend on V, 2) Approximately 80% of the solar wind has V 450 km/s for RA, 3) SA and UA both have 60% of the solar wind V > 450 km/s. We found the following conditions for all four solar cycles: 1) For QA 95% of solar wind speeds are in the range 399 ± 69 km/s, 2) For RA 95% of the solar wind speeds range from 582 ± 110 km/s, 3) For SA 95% of the solar wind velocities are order of 482 ± 101.4 km/s, and 4) For UA 95% of solar wind speeds are 480 ± 85.82 km/s. These results confirm the classification scheme that QA reflects slow wind effects, RA effects high wind stream and UA answers to the fluctuations between high wind stream (~60%) and slow wind (~40%). The study shows that high wind stream (

关键词： Solar Wind Geomagnetic Activity Solar Activity Geomagnetic Index aa

A Thermochemical Process Using Expanding Plasma for Nitriding Thin Molybdenum Films at Low Temperature

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Engineering（科研） 2012年第12期4卷 857-868页

作者： Isabelle Jauberteau jean louis Jauberteau Said Touimi Thérèse Merle-Méjean Sylvain Weber Annie Bessaudou Centre Européen de la Céramique Limoges France Ecole des Mines Parc de Saurupt Nancy France Université de Limoges Limoges France

The mechanical and chemical properties of transition metal nitrides are very attractive for numerous industrial applications. Thin nitride films are expected to be good diffusion barrier in microelectronic devices. Nitrogen diffuses into the whole thickness of the molybdenum film heated at low temperature and exposed to expanding plasma of (Ar-N2-H2) compared with pure N2 plasma. NHx species in the plasma are produced by different homogeneous or heterogeneous reactive mechanisms that results in an expansion of the plasma compared with pure N2 plasma. NHx species and probably H atoms improve the transfer of nitrogen into the metal by preventing the formation of MoO2 oxides which act as a barrier of diffusion for nitrogen.

关键词： Thermochemical Process Expanding Plasma Thin Films Molybdenum Nitrides Molybdenum Oxides NHx Species