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15   Artículos

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en línea
Kuncheng Lei and Zhenrong Zhang    
This paper investigates the problem of RF energy harvesting in wireless sensor networks, with the aim of finding a suitable communication protocol by comparing the performance of the system under different protocols. The network is made up of two parts: ... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Ivana Rendulic Jelu?ic, Branka ?akic Bobic, Zoran Grgic, Sa?a ?ikovic, Mirela Osrecak, Ivana Puhelek, Marina Anic and Marko Karoglan    
The practical application of grape quality zoning and selective harvesting in small vineyards (<1 ha) has not yet gained much importance worldwide. However, winegrowers with small vineyards are looking for ways to improve wine quality and maximise profit... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Ján Jobbágy, Martin Dockalík, Koloman Kri?tof and Patrik Burg    
Due to the low number of employees and the time limit in the field of grape harvesting, we focused in the presented article on evaluating the effectiveness of the deployment of an outboard grape harvester within the conditions of Slovak viticulture. The ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Aikifa Raza, Jin-You Lu, Safa Alzaim, Hongxia Li and TieJun Zhang    
Efficient solar vapor/steam generation is important for various applications ranging from power generation, cooling, desalination systems to compact and portable devices like drinking water purification and sterilization units. However, conventional sola... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Lin-Ling Tang, Xiao-Bin Cai, Wei-Shu Gong, Jian-Zhong Lu, Xiao-Ling Chen, Qian Lei and Gong-Liang Yu    
An increase in vegetation greenness can improve ecosystem productivity, but also reduce the water supply, creating the potential for conflicting water demands between ecosystems and humans. This problem has been well-assessed and is most evident in dry e... ver más
Revista: Forests    Formato: Electrónico

 
en línea
Anne-Christine Mupepele and Carsten F. Dormann    
Forest harvest alters natural nutrient cycles, which is reflected in stream water run-off from harvested catchments. Nitrate is an essential nutrient for plant growth, but increased concentrations in rivers, lakes, and oceans have contributed to eutrophi... ver más
Revista: Forests    Formato: Electrónico

 
en línea
Geice Paula Villibor, Fábio Lúcio Santos, Daniel Marçal de Queiroz, Joseph Kalil Khoury Júnior, Francisco de Assis de Carvalho Pinto     Pág. 41 - 48
Detachment of coffee fruit is usually accomplished by means of mechanical impacts and vibrations applied to the plant. Modal properties of the coffee fruit-stem system represent important information for efficient and selective harvesting. This study aim... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Philip J. Burton    
A massive insect outbreak in the public forests of central British Columbia (Canada) poses a serious challenge for sustainable forest management planning. Tree mortality caused by natural disturbances has always been a part of wild and managed forests, b... ver más
Revista: Sustainability    Formato: Electrónico

 
en línea
Philip Burton,Bill Bourgeois,Dan George,Kathie Swift,Doug Lewis,Todd Redding et al.,Dan Orcherton,Gina Thomas,R. Allan Powelson,Kelly Osbourne,Robert Parisotto,Brad Hawkes,Rene Alfaro,Jodi Axelson,Darin W. Brooks,Craig DeLong,Bruce Rogers,Pat Teti,Alan Vyse,Harold Armieder,Michaela Waterhouse,Patrick Daigle,Pierre Iachetti,Christian St Pierre,Alistair McCrone,Kathy Martin,Mark Drever,Andrea R. Norris,R. Scott McNay,Randy Sulyma,Joan Voller,Viktor Brumovsky,Don G. Morgan,Andrew Fall,Rob M. McCann    
Outbreaks of mountain pine beetle are evaluated as a generic disturbance agent, and comparisons are made with other forest disturbances such as wildfire, windthrow, and logging. A useful basis for comparison is the degree of disruption to the overstorey,... ver más
Revista: Journal of Ecosystems and Management    Formato: Electrónico

 
usuarios registrados
Kar, T. K.--ISSUE_BOUNDARYContent-Type: text/plainContent-Disposition: attachment; filename= 5401354.txt Search Name: 5401.35Journal     Pág. 449 - 458
Revista: MATHEMATICAL AND COMPUTER MODELLING    Formato: Impreso

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