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Online since: May 2013
Authors: Ali Sabri Badday, Ahmad Zuhairi Abdullah, Keat Teong Lee
Application of Heteropolyacid-Based Heterogeneous Catalysts for Conversion of Oleochemicals into Renewable Fuels and Other Value-Added Products Ali Sabri Badday, Ahmad Zuhairi Abdullah*, Keat-Teong Lee School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia.
The naturalization using basic materials creates large amount of salts to be disposed off into the environment [29].
Therefore, they recommended the dispersion of the salts on appropriate support materials.
Murphy, Identification and characterisation of genes and enzymes for the genetic engineering of oilseed crops for production of oils for the oleochemical industry: a review, Ind.
Advanced Catalysts and Nanostructured Materials, Academic Press, San Diego, 1996, pp. 435-451
Online since: November 2011
Authors: Lian Lian Xu, Zai Fu Yang, Chuen Yun Yao
Pollution and Control Measures of Livestock Breeding with Acceleration of China’s Urbanization Zaifu YANG1,a    Lianlian XU1 Chuenyun YAO2,b 1School of Environmental Science and Engineering, Donghua University, Shanghai 201620, P.R.China 2Songjiang Environmental Protection Bureau.
They are the key towns of the pollution from scale raising and breeding farm.
At the same time, there are not clearly laws about the harmful material in the animal feed remaining in livestock body and polluting the environment.
We should cultivate improved breeds, use “ideal protein model” animal feeds, adopt technology of nutritional equilibrium prescription (such as enzyme preparation of genetic engineering, auxin, mineral supplement),and apply feed enzyme preparation and microecological preparation in order to increase utilization rate of protein, calcium, phosphorus, copper, zinc and trace element, restrain propagation of putrefying bacteria, reduce the amount of endotoxin and urea enzymes and reduce the production of harmful gas [6-11].
The breeding farm must be built far away from city, the living area, densely populated areas, rivers and underground water source, adopt the method of systematic engineering, project, organize and adjust the proportion of agriculture, forestry, stock raising and fish and the industry structure positioning on local conditions, promote material circulate and cyclic utilization in system.
Online since: January 2005
Authors: Sung Hoon Park, Yeong Hee Ahn, Young Jin Song, Hyo Seob Kim, You Jin Lee
Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Physicochemical and Microbial Monitoring of UASB Sludge during Start-Up of Mesophilic Reactor Yeonghee Ahn 1, Young Jin Song 2, Hyo-Seob Kim 2, You Jin Lee 2 and Sunghoon Park2* 1 Department of Chemical and Biomolecular Engineering, Korean Advanced Institute of Science and Technology, Guseong-dong, Yuseong-gu, Daejeon, 305-701, Korea, yahn@kaist.ac.kr 2 Department of Chemical Engineering, Pusan National University, Pusan, 609-735, Korea, *Corresponding author : shpark0@pusan.ac.kr Keywords: Autofluorescence, confocal laser scanning microscopy, mesophilic methanogens, sludge granule, UASB sludge.
The keys to successful start-up of the UASB reactors are the development of sludge granules and their gas production activity [1, 3].
Schematic diagram of UASB reactor used in this study. 1, cold room (4o C); 2, medium; 3, peristaltic pump; 4, influent; 5, UASB reactor; 6, UASB sludge; 7, ports of water jacket (35 oC); 8, sampling ports; 9, biogas outlet; 10, effluent; 11, gas collector Materials and Methods Operation of UASB reactor.
Acknowledgment This work was supported in part by Korea Science and Engineering Foundation (KOSEF) through Institution for Environmental Technology and Industry, PNU, in part by Brain Busan 21 Program, and in part by Brain Korea 21 Program.
Online since: September 2024
Authors: Daniel Bishara, Douglas Adalberto Aguilar
.• PLA 3D Printing: Biodegradable, renewable 3D printing material, suitable for rapid prototyping with easy printing and low warping.
Some key notes are worth mentioning.
Acknowledgment We would like to express our deepest gratitude to the Universidad Evangelica de El Salvador (UEES) and the distinguished Faculty of Engineering for allowing us to carry out this research and compose this scientific article.
El-Moucary, "Smart medicine dispenser (smd)," in 2018 IEEE 4th Middle East Conference on Biomedical Engineering (MECBME), 2018, pp. 20-23
Mahamud, "An internet of things (iot)- based smart automatic medication dispenser with an integrated web application for patient diagnosis," in 2022 5th International Conference of Computer and Informatics Engineering (IC2IE), 2022, pp. 16-21.[23] V.
Online since: July 2014
Authors: Md. Abdul Aziz, Munetaka Oyama
Abdul Aziza* and Munetaka Oyamab aCenter of Research Excellence in Nanotechnology, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia bDepartment of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8520, Japan *email: maziz@kfupm.edu.sa (corresponding author) Keywords: Electrode Fabrication, Electrocatalytic Properties, Direct electrooxidation or electroreduction, Catalysis, Label.
In the label-based electrochemical method, label materials can work as a direct electrocatalyst or catalyst.
Direct Electrooxidation or Electroreduction-based Electrochemical Biosensors Only selective electrode materials are suitable for the electroxidation or electroreduction of target molecules, for this reason, different scientists developed suitable electrode materials for specific target biomolecules [19, 20, 22-40, 42-46 ].
Though glucose sensor is a well established technology, still there are few challenges with the electrode materials [24-26].
Moreover, new nanomaterials as electrode materials or label can further increase the sensitivity and selectivity in electrochemical biosensors.
Online since: May 2007
Authors: Marco J. Starink, Nong Gao, Shun Cai Wang
Gao c Materials Research Group, School of Engineering Sciences, University of Southampton, Southampton, SO17 1BJ, United Kingdom a wangs@soton.ac.uk, b m.j.starink@soton.ac.uk, c n.gao@soton.ac.uk, Keywords: Al-Cu-Mg alloys, clusters, precipitates, hardening.
For instance, the 2024 alloy with composition of about Al-1.8Cu-1.7Mg-0.3Mn (at-%), and derivatives 2124 and 2524, are primary structural material used in aircraft. 2x24 alloys continue to be specified for many aerospace structural applications, such as in fuselage structures, wing tension members, shear webs and ribs.
(c, d and e adapted from [21]) The strength model In polycrystalline materials several hardening mechanisms operate, and the yield strength should generally be given by [25]: σy = ∆σGB + M·τtot (1) where ∆σGB is the grain boundary strengthening, M is an orientation factor (often termed the Taylor factor), and τtot is the critical resolved shear stress (CRSS) of the grains which is determined by several strengthening mechanisms, most notably intrinsic hardening, precipitate hardening (including co-cluster hardening) and solution hardening.
A key point in the model is the assumption that S phase forms whilst the pre-precipitates dissolve.
Online since: October 2014
Authors: Maria Rita Catalano, Gugliemo Guido Condorelli, Graziella Malandrino, Raffaella Lo Nigro
Introduction Multiferroics are materials in which at least two of the three ferroic orders, ferroelectricity, ferro- or anti-ferromagnetism and ferroelasticity coexist.
BiFeO3 is unique among various multiferroics, as its ferroelectric and magnetic transition temperatures are well above the room temperature, thus it represents a key material in the fabrication of magnetoelectric systems [1,2].
Fragala’, Engineering of molecular architectures of beta-diketonate precursors toward new advanced materials, Coord.
Online since: September 2007
Authors: Michael Link, Stefan Stöhr, Matthias Weiland
The choice made is also not unique and highly dependent on engineering experience and existing pre- knowledge.
Assuming an isotropic material behaviour and with Poisson's ratio, ν = 0.33, taken from the data sheet the corresponding Young's modulus is given by the relation E= 2G(1+ ν).
However, due to the variety of the modelling assumptions, the test data uncertainties, the parameter sets and the control parameters of the numerical procedures a robust black box procedure to be applied without engineering experience can presently not be expected.
Of the DAMAS 2005, Key Engineering Materials, Trans Tech Publications., Zürich, Switzerland (2005) [2] Stöhr, S. and Link M.: Proc. of the International Modal Analysis Conference IMAC XXIV, St.Louis, USA, 2006 [3] Link, M., Proc. of NATO Advanced Study Institute, Sesimbra, Portugal, May 1998 in "Modal Analysis and Testing"(J.M.M.
To be published in: Proc. of International Conference on Engineering Dynamics, ICED 2007, University of Lisbon, IDMEC (2007) [5] Lauwagie T. and Dascotte E.: Layered Material Identification Using Multi-Model Updating.
Online since: April 2024
Authors: Nadjem Bailek, Kada Bouchouicha, Alireza Sharifi, Yasser Abdel-Hadi, Samuel C. Nwokolo, Nadhir Al-Ansari, Ilhami Colak, Laith Abualigah, El-Sayed M. El-kenawy, Mohammed Benatallah
El-kenawy15,k 1Energies and Materials Research Laboratory, Department of Matter Sciences, Faculty of Sciences and Technology, University of Tamanrasset, Tamanrasset 01300, Algeria, 2Laboratory of Mathematics Modeling and Applications, Department of Mathematics and Computer Science, Faculty of Material Sciences, Mathematics and Computer Science, University of Adrar, Adrar 01000, Algeria 3Centre de Développement des Energies Renouvelables (CDER), 01000 Adrar, Algeria 4Department of Surveying Engineering, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, 16785-136, Tehran, Iran  5Department of Solar and Space Researches, National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt 6Department of Physics, Faculty of Physical Sciences, University of Calabar, 7Department of Civil, Environmental and Natural Resources Engineering, Lulea University of Technology, 97187, Lulea, Sweden 8Engineering and Architecture Faculty, Nisantasi University
For the SA-ELM model, the key hyperparameters are the population size and number of generations used by the search algorithm.
Consent for publication: We want to publish identifiable details, including text, material and methods, figures, and tables published in the Journal.
Bailek, “Combined Thermal Performance Enhancement of Parabolic Trough Collectors Using Alumina Nanoparticles and Internal Fins,” in International Journal of Engineering Research in Africa, 2022, vol. 62, pp. 107–132
Online since: July 2014
Authors: S.K. Tripathi, Ramneek Kaur, Jagdish Kaur
Nanotechnology exploits current progress in physics, materials science, chemistry and biotechnology to form novel materials that have unique properties significantly different from their bulk counterparts.
From the past two decades, enormous efforts have been made to synthesize and characterize semiconductor materials of group II-VI, III-V, III-VI, and oxide-semiconductor materials.
The materials having no dimensions in the nano-scale region include bulk materials.
Du, Multifaceted applications of nanomaterials in cell engineering and therapy, Biotechnol.
Tiwary, Microwave assisted synthesis of CdS nanoparticles for structural and optical Characterization, International Journal of Innovative Research in Science, Engineering and Technology, 3 (2014) 10670-10674
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