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But the test period of planned maintenance procedures are in accordance with the provisions of pre-trial, regardless of the actual state of power transformers, and has great coerciveness and blindness, which will cause the device "over-repair" and wasting of lots of human resources and material resources[1].
References [1] Sun Caixin, “Oil gas of electrical equipment online monitoring and fault diagnosis technology,” Beijing: science press, 2003
IEEE PES Power Systems Conference and Exposition,2004：1176-1182 [10] Li Junhao, Si Wenrong, Yang Jinggang, Yuan Peng, Li Yanmu, Li Yanming, “The research on characteristics of high frequency signal external propagation of power transformer partial discharge,” Journal of xi’an jiaotong university, Vol.42, No.6,PP. 718-722, 2008

Material of major parts of machine tool is HT250 which is high-strength cast iron and it has elasticity modulus 1.5×105Mpa, Poisson ratio 0.26 and density 7.8×10-9 t /mm3 [2].
Journal of Fuzhou University( Natural Science),2003(2):69-72

For consideration of reducing material, this study preliminarily concludes that the radius of the semi-circle wind deflector (r) should be 4.5m.
UK: Multi-Science Pub, (2006)
Journal of Wind Engineering and Industrial Aerodynamics, 74-76 (1998) 1-24

Behavior of the leaning tower of Pisa: insights on seismic input and soil-structure interaction Raffaello Bartelletti1,a, Gabriele Fiorentino2,b*, Giuseppe Lanzo3,c, Davide Lavorato 2,b, Giuseppe Carlo Marano4,e, Giorgio Monti3,f, Camillo Nuti2,5,g, Giuseppe Quaranta3,g, Fabio Sabetta6,i and Nunziante Sgueglia1,j 1University of Pisa, Via Diotisalvi 2, 56126 Pisa, Italy 2Dept. of Architecture, Roma Tre University, Largo Giovanni Battista Marzi, 10, 00153 Rome, Italy 3Dept. of Structural and Geotechnical Engineering, Sapienza University of Rome, Via Gramsci 53, 00197 Rome, Italy 4 Dept. of Science of Civil Engineering and Architecture, Technical University of Bari, Via Orabona 4, 70125 Bari, Italy 5Visiting Professor at Fuzhou University, College of Civil Engineering Fuzhou, Fujian 350108, China 6 Department of Civil Protection, Via Vitorchiano 4, 00189 Rome, Italy ar.bartelletti@ing.unipi.it, b gabriele.fiorentino@uniroma3.it, cgiuseppe.lanzo@uniroma1.it, ddavide.lavorato@
They are homogenized by assuming the whole sections made of marble of San Giuliano (the material of the walls of the Tower), which has a modulus of elasticity E=80,000 MPa; · at the base of the model were assigned 3 translational springs and 3 rotational springs, for which the impedances reported in Table 2 are considered.
Viggiani, Leaning Tower of Pisa: Behaviour after Stabilization Operations, International Journal of Geoengineering.

Comparative study on design of exposed penstock laid on ground using Chinese and American specifications Lei Hu 1, a, Hegao Wu 1, b, Changzheng SHi 1, c, Yinghan Xie 2, d 1State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China 2Changjiang institute of survey, planning, designing and research, Wuhan 430010, China aleih1209@gmail.com, bwbf1988@vip.sina.com, cscz4@163.com, dyhxie01@hotmail.com Keywords: hydropower station, exposed penstock laid on ground, DL/T 5141-2001, ASCE No.79, allowable stress, load combination.
It is a coefficient synthesizing partial factors for loads and material properties.
Journal of Hydraulic Engineering, 2012, 43(8): 957-966.

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Isolation and Identification of Bacteria from Marine Biofilms Yoo Kyung Lee, Kae Kyoung Kwon, Kyeung Hee Cho, Jae Hyun Park and Hong Kum Lee* Marine Microbial Diversity Laboratory, Korea Ocean Research & Development Institute, Ansan P.O.
Materials and Methods Study area and treatment of acrylic coupons.
Acknowledgment This work was supported by a grant to HKL from the National Research Laboratory Program of the Korean Ministry of Science and Technology.
Krishnappa: Current Science (2003) 85:1299-1307

Acknowledgments This research was supported in part by the National Science Foundation under grants DMR 0504843 (Metals Program) at Washington State University and DMR 06-06006 (Metals Program) at Northern Kentucky University.
Collins: Journal of Materials Science Vol. 42 (2007) p. 1915-1919 [21] See, e.g., J.G.

Materials and Methods In order to synthesise TiO2-NF’s the electrospun (also called electrospinning) technique was employed, following closely the method reported by Li [22] but with some modifications in both the titanium molecular precursor and in the amount of PVP used.
This minimum Eg value can be due to the disorder in the anatase-rutile mixed crystalline system, which reduces the band gap energy in a similar way as has been reported for other materials [29].
The Open Mineral Processing Journal 3 (2010) 68-72
Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations.
Electrospinning and Electrospun Nanofibers: Methods, Materials, and Applications.

Surrounded by the mostly immobile uranium cations, the oxygen anions are forced into a jammed or arrested state that is not unlike that in glasses [32] and granular materials [39] above Tα.
Hartmann, Radiation tolerance of complex oxides, Science 289 (2000) 748-751
Uberuaga, Efficient annealing of radiation damage near grain boundaries via interstitial emission, Science 327 (2010) 1631-1634
Durian, Measurement of growing dynamical length scales and prediction of the jamming transition in a granular material, Nat.
Kupryazhkin, High-precision molecular dynamics simulation of UO2–PuO2: Pair potentials comparison in UO2, Journal of Nuclear Materials 419 (2011) 217-225

Application of the AM2 Model to Simulate Anaerobic Digestion of Municipal Solid Waste Amine Hajji1,a*, Younes Louartassi2,b, Mohammed Garoum1,c, Najma Laaroussi1,d and Mohammed Rhachi1,e 1Mohammed V University in Rabat, Higher School of Technology-Salé, Materials, Energy, and Acoustics Team (MEAT), Crown Prince Street BP 227 Salé - Médina, PO Box 11060 – Morocco 2Mohammed V University in Rabat, Higher School of Technology-Salé, LASTIMI, Crown Prince Street BP 227 Salé – Médina, PO Box 11060 – Morocco aamine.hajji@est.um5.ac.ma, byounes.louartassi@est.um5.ac.ma, cgaroum1@yahoo.fr, dnajma.laaroussi@est.um5.ac.ma, emohammed.rhachi@um5.ac.ma Keywords: anaerobic digestion; AM2 model; mathematical modeling; municipal solid waste.
Materials and Methods Data set The AM2 model was calibrated and validated using experimental data from prior research [19-22].
Keller, Industrial applications of the IWA anaerobic digestion model No. 1 (ADM1), Water Science and Technology, 47 (2003) 199–206 [8] B.
Kelaiaia, Analysis and Simulation of AM2 Model for Anaerobic Digesters, Banat’s Journal of Biotechnology, Vol. 11, N° 22, 2020, 30-39.