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Manorama Kamireddy, Sanjib K. Behera and Suresh Kancherla
African oil palm (Elaeis guineensis Jacq.) is a bulk feeder of nutrients. In this study, we aimed at devising strategies for efficient nutrient management in the oil palm plantations of the Krishna River basin located in Andhra Pradesh, India by assessin...
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Enrico Cestino, Davide Pisu, Vito Sapienza, Lorenzo Chesta and Valentina Martilla
A new Range Equation for a hybrid-electric propeller-driven aircraft was formulated by an original derivation based on the comparison of Virtual Electrical Aircraft (VEA) and Virtual Thermal Aircraft (VTA) range equations. The new formulation makes it po...
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Jaehyun Lee, Taegyu Lee, Hyeonggil Choi and Dong-Eun Lee
There have been many studies on the effect of durability and compressive strength on the increase of the mixing rate of admixtures. However, there is no research that can provide a guide on the optimal mixture proportions for maintaining compressive stre...
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Belal Tewfik,Ghembaza Moulay Smaine,Bellia Zoheir
Pág. 157 - 176
The evaluation of unsaturated soils' fundamental properties is ensured by the characteristic water retention curve for a wide range of soil suction values. However, a minimal number of research works have focused on studying the water retention propertie...
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Christopher Simon Beaverstock, Benjamin King Sutton Woods, James Henry Sun-Ming Fincham and Michael Ian Friswell
Morphing technology offers a strategy to modify the wing geometry, and the wing planform and cross-sectional parameters can be optimised to the flight conditions. This paper presents an investigation into the effect of span and camber morphing on the mis...
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M.A. R. Aashifa, P. Loganathan
Pág. 1 - 11
This study was conducted to quantify the spatial variability of soil properties, use this information to produce accurate map by means of ordinary kriging and find the ways to reclaim the problem soil and make suggestions to cultivate the crop vari...
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Astri Rinanti,Ronny Purwadi
Pág. 69 - 76
A study on Ankistrodesmus sp.?a freshwater green microalgae species?as a bioflocculant based on its physicochemical properties and flocculation rate has been carried out. The molecular identification via 16S rDNA showed 99% resemblance of this green micr...
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Cezary Tkaczuk and Anna Majchrowska-Safaryan
The aim of the study was to determine the effect of temperature on the colony growth and conidia germination of selected species of entomopathogenic fungi in the genus Cordyceps (C. farinosa, C. fumosorosea and C. coleopterorum) and one isolate of Paecil...
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Yaohua Hu, Huanbo Yang, Bingru Hou, Ziting Xi and Zidong Yang
Orchard plant protection machinery in China still has a low application efficiency. Air-blast sprayers represent the primary development direction of pesticide applications in orchards. The spray control parameters have to be matched to the tree canopy s...
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Irdhawati Irdhawati,Ekki Inur Ingtyas Mawarni,Ayu Jyostosya Yotirani Arya Wijana,Feby Silvia Sitio,Ni Putu Gita Widi Saraswati,Emmy Sahara
Pág. 177 - 186
Voltammetry is an electroanalytical method measure current as a function of applied potential. The working electrode in the voltammetry method dramatically affects the result of the electrochemical analysis. Modification of the working electrode can impr...
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Mohammed Bahra, M. S Jaafar , H. Wagiran
Pág. 1 - 6
Introduction: Glass phosphors are broadly used to determine patient doses in radiation diagnostic and radiotherapy because of their good features, the dose ranges of interest are approximately 0.1 -100 mGy for clinical x-ray diagnostics, and 1-5Gy ...
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Yanbing Zong, Xuedong Zhang, Emile Mukiza, Xiaoxiong Xu and Fei Li
In this study, SiO2?Al2O3?CaO?MgO steel slag ceramics containing 5 wt % MgO were used for the preparation of ceramic bodies, with the replacement of 5?20 wt % quartz and feldspar by fly ash. The effect of the addition of fly ash on the sintering shrinkag...
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Xianyang Yu, Jinhao Xie, Yanju Wu, Qiuhong Wu, Zizheng Zhang and Hai Wu
A dynamic numerical method is established to simulate the stability of the surrounding rocks of the retained roadway in FLAC3D, along with a double-yield constitutive model to simulate the re-compaction process of gangue and a strain-softening constituti...
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Ting Liu, Chao Tan, Zhongbin Wang, Jing Xu, Yiqiao Man and Tuo Wang
The horizontal bending angle of scraper conveyor has a great influence on the running resistance, the current consumption, coal winning efficiency of the working surface, etc. Approximately 1?3° is usually the range of horizontal bending angle, but does ...
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Sujeeta Karki, Jeeban Poudel and Sea Cheon Oh
A lab-scale downdraft fixed bed reactor was used for the study of sewage sludge, a non-lignocellulosic biomass, torrefaction to enhance the thermochemical properties of sewage sludge. The torrefaction was carried out for a temperature range of 200?350 °C...
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Anil Kumar and Man-Hoe Kim
This article presents heat transfer and fluid flow characteristics in a solar air heater (SAH) channel with multi V-type perforated baffles. The flow passage has an aspect ratio of 10. The relative baffle height, relative pitch, relative baffle hole posi...
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Miziya Keshkar, Raja Muthalagu, Abdul Rajak and Libin K. Mathew
Interference mitigation in L-band digital aeronautic communication systems from legacy users is vital due to stringent safety requirements and steady-state increase in air traffic. This paper proposes an L-band digital aeronautic communication systems re...
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Yu. V. Popov
Pág. 134 - 137
The article considers the ways of changing the supply of the axial fans in the heat-carrier cooling systems in the engines of diesel locomotives. A new way of the supply regulation has been provided, a description of its work from the point of view of au...
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Xin Wang, Haiqing Tian, Ziqing Xiao, Kai Zhao, Dapeng Li and Di Wang
To improve the operational efficiency of a hammer mill and delve into a high-efficiency, energy-saving grinding mechanism, the crucial parameters influencing the grinding of corn straw were identified as the spindle speed, hammer?sieve gap, and sieve por...
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Ariadna Calcines Rosario
This paper presents the conceptual design of an on-axis 6 metre aperture space telescope designed to cover a field of view of ±0.2 degrees with an optical quality at the diffraction limit within a spectral range between 0.5 µm and 2.5 µm. The plate scale...
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