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机械化控制是油菜田杂草化学控制方法的替代和补充(英文)  CNKI文献

由于农学、经济和环境的原因,耕作系统中杂草的控制可以不再单纯地依靠选择性除草剂。在本文中,杂草机械化控制技术可成为除草剂控制方法的一个替代和补充。降低生产成本和解决杂草问题是农民采用此项技术的主要原因,...

Lionel Quéré Jean-Louis Lucas 第十二届国际油菜大会论文集 2007-03-01 国际会议

关键词: oilseed / rape / weeds / in-row

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Identifying competencies that support 911 emergency ca...  CNKI文献

This paper presents one of the orientations of a study carried out to reduce the prevalence of musculoskeletal and psychological health disorders in call centre agents in Québec 911 emergency te...

Toulouse G. St-Arnaud L.... Proceedings of 17th World Congress on Ergonomics 2009-08-09 国际会议

关键词: Identifying / competencies / that / support

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Computer Simulations of Regional Carbon Cycle among Te...  CNKI文献

Land-use and land-cover changes to the terrestrial environment impact the net exchange of carbon among terrestrial ecosystems,aquatic ecosystems,and the atmosphere through multiple dynamical processe...

Paul Del Giorgio Yves Prairie... Abstracts of EcoSummit 2007——Ecological Complexity an... 2007-05-01 国际会议

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Questions that arise when considering cumulative effec...  CNKI文献

People's health is affected by all their exposures,and it is important to consider the entire environment when gathering information relevant to an ergonomic intervention.But,for ergonomists,comb...

Messing.K. Lippel.K.... Proceedings of 17th World Congress on Ergonomics 2009-08-09 国际会议

关键词: Questions / that / arise / when

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Building on Partnerships with Indigenous Communities  CNKI文献

This article highlights basic elements of Hydro-Québec's past experience in working out partnerships with Indigenous communities. The aim of this text is two-fold: on the one hand, we will d...

Denis Roux Karin Seelos 联合国水电与可持续发展研讨会文集 2004-10-01 国际会议

关键词: Building / on / Partnerships / with

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Antecedents of E-Business Assimilation in Manufacturin...  CNKI文献

In order to further our knowledge on the use of the Internet and the Web in manufacturing SMEs, the present research seeks through an empirical study of 108 Canadian firms to explore the following qu...

Louis Raymond Franois Bergeron... 第四届电子商务国际会议论文集(Ⅰ) 2004-12-01 国际会议

关键词: e-business / assimilation / Internet / use

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Explorative Study and Prediction of Overtempering Regi...  CNKI文献

Thanks to many industrial benefits that it exhibits, induction heating process is very promising for its potential application in manufacturing production. To understand the industrial context, it is...

Noureddine Barka Abderrazak El Ouafi... Proceedings of 2012 International Conference on Materia... 2012-12-19 国际会议

关键词: Induction / heating / Simulation / 2D

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Explorative Study and Prediction of Overtempering Regi...  CNKI文献

Thanks to many industrial benefits that it exhibits,induction heating process is very promising for its potential application in manufacturing production.To understand the industrial context,it is ne...

Noureddine Barka Abderrazak El Ouafi... Proceedings of 2012 2nd International Conference on Mat... 2012-12-27 国际会议

关键词: Induction / heating / Simulation / 2D

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Effect of Skin Depth on Hardness Profile of Gear Heate...  CNKI文献

This work is carried principally by simulation efforts using computer-modeling software(COMSOL).The developed 2D model includes the coupling between electromagnetic and thermal fields,and takes accou...

Noureddine Barka Abdel Jelil Khelalfa... Proceedings of 2012 International Conference on Environ... 2012-12-09 国际会议

关键词: Induction / heating / simulation / experimental

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Effects of Material Properties for Non-Equilibrium Con...  CNKI文献

As the induction heating is very fast,it is reasonable to assume that the material properties are different from those measured under thermodynamic equilibrium conditions.For this reason,this study a...

Noureddine Barka Abderrazak El Ouafi... Proceedings of 2012 International Conference on Environ... 2012-12-09 国际会议

关键词: Induction / heating / electromagnetic / properties

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The Issue of Greenhouse Gases from Hydroelectric Reser...  CNKI文献

The role of greenhouse gas emissions (GHG) from freshwater reservoirs and their contribution in increasing atmospheric GHG concentrations is actually well discussed worldwide. The amount of GHGs emit...

Alain Tremblay Louis Varfalvy... 联合国水电与可持续发展研讨会文集 2004-10-01 国际会议

关键词: The / Issue / of / Greenhouse

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ICT Policy Development:the Case of Canada  CNKI文献

This article reviews the evolution of Canadian government policy in the telecommunications sector and highlights the social programs for disadvantaged groups in order to reduce the digital divide.If ...

Juan-Luis Klein Emmanuel Eveno Proceedings of 2012 International Conference on Innovat... 2012-01-07 国际会议

关键词: Public / policy / ICT / digital

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RECENT ADVANCES ON SEDIMENTS MANAGEMENT.  CNKI文献

Over the world, several million of tons of materials, ranging from rocks to clays and with different amount and types of contamination, are dredged each year in harbours. Traditionally, the solution ...

ABRIAK Nor Edine DAMIDOT Denis... 第四届世界维修大会论文集 2008-11-01 国际会议

关键词: Marine / sediments / Organics / matters

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Chemical Characterization of Cu-Au alloys using ICP-Op...  CNKI文献

The inductively coupled plasma optical emission spectrometry with laser ablation ICP- OES-LA has been widely used for the analysis of different materials [1].The advantages of laser ablation chemical...

C.Márquez H.Sobral... Abstract Book of Colloquium Spectroscopicum Internation... 2007-09-01 国际会议

关键词: ICP-OES / Laser / Ablation / OES

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POTENTIAL ACTIVITY HERBICIDE OF KERLINIC ACID ON SOME ...  CNKI文献

Kerlinic acid,was isolated from leaves of Salvia keerlii Benth(Section Scorodonia,Subgenus Jungia)from the State of Queretaro,M

M.GONZáLEZ-IBARRA B.ESQUIVEL... Plant Protection Towards the 21st Century----Proceeding... 2004-05-01 国际会议

关键词: acid

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Multi-TBaud Optical Coding Based on Superluminal Space...  CNKI文献

A novel time-domain ultra-fast pulse shaping approach for multi-TBaud serial optical communication signal (e.g. QPSK and 16-QAM) generation based on the first-order Born approximation in feasible all...

Reza Ashrafi Ming Li... Proceedings of the International Symposium on Photonics... 2013-05-23 国际会议

关键词: Pulse / Shaping / Fiber / Optics

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A SIMPLE METHOD FOR PREPARATION OF OPEN-THROUGH AAO FI...  CNKI文献

Magnetic nanowires are important nanostructures due to their potential applications for high frequency sensors and other device

Arthur Yelon Francois Normandin... Proceedings of 40th IUPAC Congress 2005-06-30 国际会议

关键词: AAO / A / SIMPLE / METHOD

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Urban Soils from Non-pavment Streets and PM10 in Air Q...  CNKI文献

The present work is related to suspended matter in the air(PM10) and the soils from non-paving streets from the border City of Reynosa,Tamaulipas,Mexico.They were collected from PM10 and soils from n...

Rodríguez–Espinosa P.F. Morales-García S.S.... The proceedings of 2011 2nd International Conference on... 2011-12-28 国际会议

关键词: PM10 / crystalline / phases / soils

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BEHAVIOR OF EXTERNAL ANCHOR HEADS  CNKI文献

This paper examines experimentally and numerically the behavior of a nineteen-strand commonly used external anchor head and its one-strand counterpart. The first part deals with experimental tests.Th...

J.BASTIEN A.CHABERT... Modern Applications of Prestressed Concrete(Volume 1)--... 1991-09-01 国际会议

关键词: BEHAVIOR / OF / EXTERNAL / ANCHOR

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Radiolysis of water with heavy-ion beams of energies u...  CNKI文献

Formation yields of methyl viologen cation radical G(MV-+) (molec./100 eV) have been measured in deaerated aqueous solutions of 0.25 mM MV2+ containing various concentrations of formate (0.01-2 M) af...

S.Yamashita Y.Katsumura... Conference Abstract Book of the 1st Asian-Pacific Sympo... 2006-09-01 国际会议

关键词: MV / in / MV / Radiolysis

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