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Natural Resources (NR) is an international journal dedicated to the latest advancements in natural resources throughout the world. The goal of this journal is to provide a platform for scientists and engineers (on all academic and professional levels) all over the world to promote, discuss and share various new issues…
Larisse A.R. Batalha, Juliana C. da Silva, Carolina M. Jardim, Rubens C. Oliveira, Jorge L. Colodette
The modification on the fiber structure of bleached eucalyptus kraft pulp is a very attractive alternative for improve- ments in the properties of paper production. The enzymatic treatment by xylanases and ultrassonic treatments modify the characteristics of…
John Klock, Taslim Sjah
This paper examines how farmers in central Lombok have organized themselves to manage agricultural water colle- ctively and to adapt to seasonally dry conditions. We interviewed eighteen village heads from October to December 2006. One of our questions we pos…
Shuli Ding, Juanjuan Shen, Bohui Xu, Qinfu Liu, Yuzhuang Sun
The removing zinc cation from aqueous solution by Ca-bentonite and Na-exchanged bentonite was studied. The factors such as the initial concentration of Zn2+, the liquid-to-solid ratio, pH, adsorption time, stirring speed, coexisting ions, temperature and bent…
Mehmet Mithat Mithat Uner, Nezir Kose, Soner Gokten
In this study, a coal pricing model for Turkey is developed employing Granger causality and cointegration analysis by using monthly data between January 2003 and April 2009. Empirical results based on Granger causality tests indicate that foreign coal futures…
A.S. Hussein, K.I. Ibrahim, K. M. Abdulla
In this study Eucalyptus tannin (T) was isolated from outer bark of Eucalyptus trees; as sodium phenoxide salt and used as extender or copolymer into phenol formaldehyde (PF) resin at five percent (10, 20, 30, 40 and 50)% W/W. Tan-nin-phenol formaldehyde (TPF…
B.O. Bolaji
An exergetic analysis of three basic types of solar drying systems is presented. The analysis is used to find the available useful energy and the quality of energy that is obtainable from the dryers. The dryers were installed side by side and tested simultane…
Umar Saidu Bamalli, Ali Moumouni, Mohammed Suleiman Chaanda
The metallic mineral resources of Nigeria have not been fully appraised due to lack of sufficient studies and technology. Previous works identified a number of minerals deposits which have remained largely unevaluated. Some known deposits were confirmed while…
Himanshu Dehra
The paper has analysed the state-of-art technology for a solar photovoltaic distributed energy source appliance. The success of implementation of photovoltaic (PV) power project is increased when PV module system is integrated with building design process and…
Dewen He, Huangnian Zhou, Lei Liu, Dingmin Liang, Lu Du
In this study, the effects of experimental conditions including the MBR equipped novel device and different operating modes on permeate flux were studied. The results show that the MBR equipped novel device can reduce the resistance and enhance the flux, decr…
Marco Antônio Bandeira Azevedo, Vânya Márcia Duarte Pasa, Hannu Hämäläinen, Ann Honor Mounteer, Rubens Chaves de Oliveira, Jorge Luiz Colodette
Acid hydrogen peroxide catalyzed with molybdenum (PMo stage) is effective to decrease pulp kappa number and potentially minimize chlorine dioxide demand in subsequent ECF bleaching. This study aimed at developing cost-effective methods for applying PMo as the…
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Natural Resources (NR) is an international journal dedicated to the latest advancements in natural resources throughout the world. The goal of this journal is to provide a platform for scientists and engineers (on all academic and professional levels) all over the world to promote, discuss and share various new issues… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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