Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: March 2014
Authors: Zhi Ping Zhu, Na Na Wang, Yun Guang Huang, Wei Wei Yu, Li Ping Zhu, Zong Chang Luo, Chen Yao Liu
Research Progress for Determination of the Antioxidant Content in Transformer Oil Chenyao Liu1,a, Nana Wang2,b, Yunguang Huang1,c, Weiwei Yu2,d, Liping Zhu1,e, Zongchang Luo1,f, Zhiping Zhu2,g 1Guangxi grid electric power research institute, Nanning, 530023, China. 2School of chemical and biological engineering, Changsha University of Science and Technology, Changsha, 410114, China aliucy.sy@gx.csg.cn,bnanasky21@sina.com,chuangyg.sy@gx.csg.cn,dbcd491393172@163.com, ezhulp.sy@gx.csg.cn, fluozc.sy@gx.csg.cn, gzzp8389@163.com Keywords: Transformer oil, oxidation stability, antioxidant, determination, electrochemistry.
Through the two stages above, acidic substances in the oil would up to a certain concentration and start to produce polymerization reaction, form condensation and generate water, a neutral polymer resin and asphalt material.
The drafting of the code named "energy 20120491" oil phenol and amine antioxidants content determination method standard by Chinese Northeast Electric Power Research Institute, according to the American Society for testing and materials (US-ASTM), "Standard Test Method for published Measurement of Hindered Phenolicand Aromatic Amine Antioxidant Contentin Non-zinc Turbine Oilsby Linear Sweep Voltammetry" (ASTMD6971-2004) published in 2004[4], mainly describe a test method for determination of the contents of T501 and amine antioxidants oil by linear sweep voltammetry.
Acknowledgements This work was supported by the Science project of Guangxi Power Grid Corporation of China under fund K-GX2013-117.
[3] Anton Georgiev, Ilyana Karamancheva, Liliana Topalova: Journal of Molecular Structure, Vol. 797 (2006), p. 25-33
Online since: November 2011
Authors: Wen Lin Liu, Wei Han, Xiang Yi Liu, Da Zhao Yu, Yong Gao
The affected coefficient of high cycle corrosion fatigue strength has been gained through corrosion fatigue tests to four typical materials of helicopter [4], as shown in Fig.2.
Take the calendar life is 7 years, then according to the service corrosion environmental spectrum and the material corrosion test the corrosion correction factor can be equal to 1.5.
Progress in Safety Science and Technology Volume 4: Proceedings of the 2004 International Symposium on Safety Science and Technology, 2004, p 914-921
Journal of Mechanical Strength, Vol24, No.1(2002), p.113~115
Online since: June 2010
Authors: Wiesław M. Ostachowicz, Pawel Malinowski, Tomasz Wandowski
Ostachowicz1,2,c 1 Institute of Fluid-Flow Machinery, Polish Academy of Sciences Fiszera 14, 80-952, Gdansk, Poland 2 Gdynia Maritime University, Faculty of Navigation Aleja Jana Pawla II 3, 81-345, Gdynia, Poland apmalinowski@imp.gda.pl, b tomaszw@imp.gda.pl, cwieslaw@imp.gda.pl Keywords: damage detection, piezoelectric transducers, Structural Health Monitoring, SHM, Lamb waves Abstract.
However if isotropic material is considered they are called Lamb waves to highlight the Horace Lamb input to the subject [2].
Pawel Malinowski was also supported by the Polish Ministry of Science and Higher Education (ref. no.
Lu: Journal of Sound and Vibration Vol. 295 (2006), pp. 753-80
Su: Smart Materials and Structures Vol. 15 (2006), pp. 839-49.
Online since: June 2006
Authors: C.W. Lim, A.Y. Hudeish, F.K. Yam, C.K. Tan, Azlan Abdul Aziz, Hassan Zainuriah
Adesida, Journal of Electronic Materials, Vol. 27 (1998), p. 4
Surface Science, Vol.216 (2003), p.192
Ponce, GaN and Related material, (Gordon and Breach Science publisher, Neterland) ch. 5, p145, 1997
Online since: June 2013
Authors: Qun Niu, Lin Chao Dai, Fu Dao Liu, Yu Qiang Guo
(6)Before the removal, the upper and lower Lane should be sited the width 3m bag of waste rock wall, filled with cement mortar plastering or other material dense and used wind curtain for protection to ensure the whole cross-section coverage and tight with not air leakage.
Conclusions The fire prevention measures modified to the 1901S heavy pitch workface achieves the fire prevention safety before mining and during the retracement period, and provides the first-hand materials of fire prevention to the future section retracement under special circumstances.
Zhang: Coal Science and Technology, Vol.38 (2010) No.2, p.43-45.
Geng: Journal of Liaoning Technical University (Natural Science), Vol.28 (2009), p.28-30.
Online since: January 2013
Authors: Patrick R. Briddon, Nicholas G. Wright, Alton B. Horsfall, Amit K. Tiwari, Jonathan P. Goss, Mark J. Rayson
Rayson2,f 1School of Electrical and Electronic Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK 2Department of Engineering Sciences and Mathematics, Lule˚a University of Technology, Lule˚a S-97187, Sweden aa.k.tiwari@ncl.ac.uk, bjonathan.goss@ncl.ac.uk, cpatrick.briddon@ncl.ac.uk, dnick.wright@ncl.ac.uk, ealton.horsfall@ncl.ac.uk, fmark.rayson@ltu.se Keywords: Diamond surface, transition metal oxides, electron affinity, surface termination Abstract.
Introduction Due to the relative ease of tailoring its electron affinity, χ (the difference in energy between the conduction-band minimum in bulk material and the vacuum level energy), by use of suitable surface treatments, diamond is a promising material for semiconductor device and electron emission applications[1, 2, 3, 4].
The used slab is adequately thick to closely represent the bulk material and gives well-converged total energies.
Acknowledgements This work is supported by BAE Systems and the Engineering and Physical Sciences Research Council (EPSRC) UK through the DHPA scheme.
Mulliken, The Journal of Chemical Physics 23, 1833 (1955)
Online since: January 2013
Authors: Chang Ping Wen, Liang Zhao
SMA mixture is an excellent pavement material, and so has been widely used in the pavement engineering of such as expressway, heavy traffic road, airport, port, and so on[1]-[2].
Before determining the volume characteristic parameters of SMA mixture, a lot of tests on materials and mixture specimens must be conducted firstly.
Acknowledgements The research is supported by Project supported by the Scientific Research Foundation for the High-level Introduction-talents of Central South University of Forestry and Technology (104-0094) and Project supported by Hunan Provincial Natural Science Foundation of China (07JJ6080).talent introduction talent introductiontalent introductiontalent introduction References [1] YU Shu-fan.
Henan Science, 2008, 26(2): 208-211.
Journal of Harbin Architecture and Engineering Institute, 1990, 23(4): 1-9.
Online since: February 2014
Authors: Jamballi G. Manjunathaa, Mohamad Deraman, Nur Hamizah Basri, I.A. Talib
Talibd School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia amanju1853@gmail.com, bmadra@pkrisc.cc.ukm.my, cnurhamizahbasri88@gmail.com, ibatal@ukm.my d Keywords: Carbon paste electrode, Phthalo blue, Electropolymerisation, Dopamine, Uric acid.
The proposed method of producing PTBMCPE as a sensor material possesses the distinct advantages of being simple, appropriate for operation, easily reproducible, and highly selective and sensitive.
Material and methods  Cyclic voltammetry experiments were carried out using an Electro Analyser (Chemilink System, model EA-201) connected to a personal computer for control and data storage.
Due to the electrode’s simple fabrication procedure, wide linear range, low detection limit (for the detection of DA and UA), high stability, and good reproducibility, this PTBMCPE could be applied as a sensor material to the simultaneous determination of DA and UA concentrations in real samples with satisfactory results.
Mamatha, International Journal of Pharmacy and Pharmaceutical Sciences Vol. 5 (2013), p. 355
Online since: September 2013
Authors: Xu Ming Chen, Jia Jia Shen
This article studied a microbial pigment which is produced form monascus liquid submerged fermentation with the main material of rice and soybeans. it’s structure is shown in the Fig.1, it have advantage of high color value, good water-solubility, high color purity, excellent stability to light and heat, wide applicable scope of pH and so on, but there are few reports about the properties of dyeing on fibers.
Fig.1 Molecule structure of monascus red Experimental Materials and Apparatus 66S wool top (Basolan treatment); monascus red (Produced by Jiangmen Kelong Biotechnology Co.
Acknowledgements This work was supported by the Key Science and Technology Innovation Team of Zhejiang Province (No. 2012R10012-08) and Jiaxing Project of Science and Technology (2012BY7005).
[4]Le Qingrong, Chen Ningjuan.Journal of Beijing Institute of Clothing Technology, Vol. 10(1999), p.23-26.
Online since: August 2019
Authors: Husain Halimah, Nur Raisah Maddeppungeng, Nurasmi Nurasmi
Instan Ginger Beer the Traditional Health Drinks from Buginese-Makassar HALIMAH Husain1,a,*, NUR Raisah Maddeppungeng1, NURASMI1 1Chemistry Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar, Makassar, Indonesia 90224 aIma_husain@yahoo.com Keywords: Sarabba Instan, traditional health drinks, ginger, Buginese-Makassar Abstract.The present study aims to produce traditional health drinks based on local food product.
Sarabba is a health drink originating from Bugis-Makassar tribe which is made from ginger base material.
Research Methodology This research was conducted at the Food Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Makassar State University.
Research Tools and Materials The tools used in the process of making sarabba instant are: pan, grated, knife, stirrer, stove, spoon, blender, filter, and compressor.
Journal AgriSains, 28-37
Showing 84731 to 84740 of 97129 items