72   Artículos

 
en línea
Karsten Franke, Jann Schöngart and Alexander Mansel    
Four-dimensional visualization, i.e., three-dimensional space plus time, of fluid flow and its interactions in geological materials using positron emission tomography (PET) requires suitable radiotracers that exhibit the desired physicochemical interacti... ver más
Revista: Instruments    Formato: Electrónico

 
en línea
Xueyu Wei, Saraschandra Naraginti, Pengli Chen, Jiyuan Li, Xiaofan Yang and Buwei Li    
Antibiotic pollution beyond the safety limits poses a significant threat to the environmental sustainability and human health which necessitates the development of efficient methods for reducing antibiotics in pharmaceutical wastewater. Photocatalysis is... ver más
Revista: Water    Formato: Electrónico

 
en línea
Zihan Liu, Hongming Zhang, Liang Dong, Zhitong Sun, Shufang Wu, Biao Zhang, Linlin Yuan, Zhenfei Wang and Qimeng Jia    
The positive and negative terrains (P?N terrains) of the Loess Plateau of China are important geographical topography elements for measuring the degree of surface erosion and distinguishing the types of landforms. Loess shoulder-lines are an important te... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Sergio J. C. do Carmo and Francisco Alves    
The present work describes a method to determine excitation function curves and, therefore, cross-sections, making use of the irradiation of liquid targets at distinct energies in a biomedical cyclotron. The method relies on the derivative of experimenta... ver más
Revista: Instruments    Formato: Electrónico

 
en línea
Athil S. Al-Ezzi and Mohamed Nainar M. Ansari    
Employing sunlight to produce electrical energy has been demonstrated to be one of the most promising solutions to the world?s energy crisis. The device to convert solar energy to electrical energy, a solar cell, must be reliable and cost-effective to co... ver más
Revista: Applied System Innovation    Formato: Electrónico

 
en línea
Consolata Gakii, Paul O. Mireji and Richard Rimiru    
Analysis of high-dimensional data, with more features (p" role="presentation">??p p ) than observations (N" role="presentation">??N N ) (p>N" role="presentation">??>??p>N p > N ), places significant demand in cost and memory computational usage at... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Oleg S. Pokrovsky, Rinat M. Manasypov, Sergey G. Kopysov, Ivan V. Krickov, Liudmila S. Shirokova, Sergey V. Loiko, Artem G. Lim, Larisa G. Kolesnichenko, Sergey N. Vorobyev and Sergey N. Kirpotin    
The assessment of riverine fluxes of carbon, nutrients, and metals in surface waters of permafrost-affected regions is crucially important for constraining adequate models of ecosystem functioning under various climate change scenarios. In this regard, t... ver más
Revista: Water    Formato: Electrónico

 
en línea
Daniel J. Hornbach, Emily G. Schilling and Holly Kundel    
Small ponds constitute a significant number of standing water bodies on earth and may contribute to CO2 uptake or release into the atmosphere. Despite their importance, few studies have examined ecosystem metabolism in ponds, especially in ponds that may... ver más
Revista: Water    Formato: Electrónico

 
en línea
Mateusz Sitarz, Jerzy Jastrzebski, Férid Haddad, Tomasz Matulewicz, Katarzyna Szkliniarz and Wiktor Zipper    
In this work, we present an attempt to estimate the reaction excitation function based on the measurements of thick target yield. We fit a function to experimental data points and then use three fitting parameters to calculate the cross-section. We appli... ver más
Revista: Instruments    Formato: Electrónico

 
en línea
Johanna Peeples, Sang-Hyon Chu, James P. O?Neil, Mustafa Janabi, Bruce Wieland and Matthew Stokely    
Boron nitride nanotubes (BNNTs) were investigated as a target media for cyclotron production of 11C for incident beam energy at or below 11 MeV. Both the 11B(p,n)11C and 14N(p,a)11C nuclear reactions were utilized. A sweep gas of nitrogen or helium was u... ver más
Revista: Instruments    Formato: Electrónico

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