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Suleyman Coban,Alper H. Colak,Ian D. Rotherham
Pág. e073
Aim of study: This paper provides an analysis of growth and survival of twenty?year?old Scots pine saplings in relation to canopy cover density (CCD) gradients, from dense (D?CCD), sparse (S?CCD), and gap (G?CCD) situations.Area of study: Aladag (Bolu) i...
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Lili Zhou, Chenwei Nie, Tao Su, Xiaobin Xu, Yang Song, Dameng Yin, Shuaibing Liu, Yadong Liu, Yi Bai, Xiao Jia and Xiuliang Jin
Maize is one of the main grain reserve crops, which directly affects the food security of the country. It is extremely important to evaluate the growth status of maize in a timely and accurate manner. Canopy Chlorophyll Density (CCD) is closely related t...
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Shuhe Zheng, Chongcheng Chen and Yuming Guo
Aiming at the problems found in grinding Jun-Cao, such as poor grinding effect and high grinding power of mill, this study proposes a blade Jun-Cao grinding hammer based on the traditional hammer mill. With dynamics model analysis, it had better performa...
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Hong Zhang, Hualong Liu, Yong Zeng, Yurong Tang, Zhaoguo Zhang and Ji Che
The practical problems of existing methods of walnut cracking under compression loading, including incomplete walnut-shell crushing, broken walnut kernels, and so on, are widespread in walnut processing and are constraints that hinder mechanized walnut p...
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Chih-Yu Chen, Yung-Chu Chang, Teh-Hua Tsai, Man-Hai Liu and Ying-Chien Chung
Research on gold nanoparticles (AuNPs) has often focused on their physical, chemical, and crystalline characteristics. Commercial AuNPs have been applied in the diverse fields of biomedicine, catalysis, photovoltaics, and sensing. In this study, we explo...
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Chathakudath Sukumaran Sumesh, Ajith Ramesh
Pág. 196 - 202
In this paper, the influence of machining parameters, Cutting Speed, Feed Rate, and Depth of cut, on surface finish during dry orthogonal turning of Al 6061 ? T6 alloy, is studied using the response surface methodology (RSM). This paper proposes a unique...
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Oscar Urquidi,Omar Ormachea
Se presenta el diseño y construcción de un espectrómetro óptico para su uso en sistemas LIBS (Laser Induced Breakdown Spectroscopy), basado en una rejilla de difracción por reflexión y elementos ópticos comerciales. Se usaron objetivos fotográficos de 50...
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Dong Xu, Liang Yi, Haifan Yuan and Weiwei Chen
Carbonate compensation depth (CCD) is an important factor in the global deep ocean and in global carbon cycling; however, its variabilities have not been well documented in previous studies. In this study, we investigate two deep-sea cores collected from...
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I. Gasch,Y. A. Alvarado,P. A. Calderón,B. Torres
Pág. 195 - 202
En el presente artículo se presentan los resultados de la instrumentación llevada a cabo durante la construcción de un edificio de viviendas resuelto con forjados reticulares de casetón perdido situado en Sabadell (España), en el que se ha empleado un pr...
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Baisong Jiang, Chunxia Zhang, Nanqi Zhao, Hongguang Li, Liang Yuan, Juan Chen, Haowen Bai and Le Wang
In spectrometer measurement, it is very important to accurately calibrate the wavelength of all target characteristic spectra. Although wavelength calibration methods have long been investigated, no techniques have been designed for the scanning, double-...
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Raúl De Jesús Gutiérrez
Este trabajo amplía los modelos de correlación condicional dinámica de Engle y de Tse y Tsui al incorporar términos de corrección de error en el diseño de estrategias de cobertura cruzada dinámicas de varianza mínima para el petróleo mexicano. Respecto a...
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Pavel Tishchenko, Jing Zhang, Galina Pavlova, Petr Tishchenko, Sergey Sagalaev and Mariya Shvetsova
In this study, we investigated the carbonate system in sediments and water columns from five stations in the Sea of Japan (East Sea) (JES) during the R/V Hakuho Maru KH-10-2 research cruise in the summer of 2010. The total alkalinity (TA) and pH were mea...
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Tianyu Qiu and Philip A. Davies
Desalination of brackish groundwater (BW) is an effective approach to augment water supply, especially for inland regions that are far from seawater resources. Brackish water reverse osmosis (BWRO) desalination is still subject to intensive energy consum...
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Christiano Luna Arraes, Jesús Camacho-Tamayo, Teresa Tarlé Pissarra, Célia P. Bueno, Sergio Campos
Pág. 113 - 121
The primary objective of this study was to estimate the amount of gas not emitted into the air in areas cultivated with sugarcane (Saccharum officinarum) that were mechanically harvested. Satellite images CBERS-2/CCD, from 08-13-2004, 08-14-2005, 08-1...
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Karla Y. Mora-Bonilla, Iván F. Macías-Quiroga, Nancy R. Sanabria-González and María T. Dávila-Arias
The present study investigated the degradation of an aqueous Allura Red AC (AR?AC) solution by activating hydrogen peroxide with bicarbonate using cobalt ion (Co2+) as the catalyst. Four independent variables (H2O2, NaHCO3, Co2+, and dye concentrations) ...
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Hongsheng Liu, Ruilei Xue, Jianping Zhou, Yang Bao and Yan Xu
Vertical oscillation arc welding for narrow gap gas metal arc welding (NG-GMAW) has a relatively simple structure, and it is widely used in all-position pipeline field welding. However, it has some shortcomings, such as incomplete fusion defects on the s...
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Heyan Wang, Dahai Li, Xinwei Zhang, Renhao Ge and Wanxing Zheng
Sampled points on a measured surface are not evenly spaced on rectangular grids but, rather, have a more general quadrilateral geometry due to the perspective effect of the off-axis configuration, which is extensively utilized in phase measuring deflecto...
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Wenxian Li, Chengshan Han, Congjun Wu, Yawei Huang and Hang Zhang
In this study, we developed a numerical model of the coupled modulation transfer function (coupled-MTF) based on the discrete sampling system from the perspective of optical system imaging quality evaluation for coupled two-dimensional discrete sampling ...
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José P. Coelho, Maria Paula Robalo, Inês S. Fernandes and Roumiana P. Stateva
This study presents an optimization strategy for recovery of oil from Japonica Luna rice bran using supercritical carbon dioxide (scCO2), based on design of experiments (DoE). Initially, a 24-1 two level fractional factorial design (FFD) was used, and pr...
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