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Online since: June 2014
Authors: Yu Tian
Introduction At present, the general area, buildings, schools, industrial and mining enterprises generally realized the water, electricity, gas, heat divided metering mode, table are mostly located in the house, the general need special meter reading personnel into people's homes, this way to the residents of inconvenience and interference greatly, even has the security hidden danger, in terms of management, there are low efficiency, manpower and material resources, human factors, management and many other issues.
The system can also provide the function of remote control, remote control water valve and an electric circuit switching, this method greatly improves the management means and management power, the meter reading system not only to meet the data copy, better management, in payment arrears, overload, cut off cut off time period so as to realize more supply powerful functions, improve the level of the management, saving manpower and material resources.
Journal of South China University of Technology (Natural Science Edition). 2009(01)
Online since: August 2013
Authors: Zhao Bo Meng, Jie Jin, Teng Fei Zhao, Xi Feng Li
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51248003).
The 2nd International Conference on Civil Engineering, Architecture and Building Materials 2012.5
Journal of Engineering Mechanics, 1994, Vol.1 (1994),p25
Online since: October 2014
Authors: Muhammad Iyas Mahzan, Sallehuddin Muhamad
Akira, Fundamental Formulation of Airship Performance and Flight Dynamics, Institute of Space and Aeronautical Science, University of Tokyo Report No. 536, December 1975
Muhamad, Cost Analysis of a Hybrid Airship Vehicle for Cargo Delivery, Applied Mechanics and Materials Vols. 465-466 (2014) pp. 373-378 [8] K.S.
Song, Flight Performance Analysis of Hybrid Airship: Revised Analytical Formulation, Journal of Aircraft Vol. 47, No. 4, July-August 2010
Online since: January 2017
Authors: I. Gusti Bagus Sila Dharma, Windy Candrayana
Gusti Bagus Sila Dharma1, 2, a* and Windy Candrayana2, b 1Marine Science, Udayana University, Bali-Indonesia 2Civil Engineering, Udayana University, Bali-Indonesia asiladharma@gmail.com, bwindy.candrayana@gmail.com Keywords: Semi-enclosed bay, microtidal environment, morphodynamics Abstract.
Calculation of sediment covering material cohesive and non-cohesive, based on the condition of non-equilibrium transport mechanism to represent the natural process observed in the field.
Badung River and Mati River that carries a lot of sediment material are originating from the settlements along the river.
Journal of Coastal Research, Special Issue. 59 (2011) 1- 6
Online since: March 2018
Authors: Sirin Sirathanakul
Development of an Educational Experiment Setup for Measuring the Speed of Sound Sirin Sirathanakul* Division of Science, Faculty of Science and Technology, Rajamangala University of Technology Phra Nakhon, Bangkok, 10800, Thailand *Natreudee.s@rmutp.ac.th Keywords: educational experiment setup, measuring the speed of sound, resonance method Abstract.
Introduction Principle of physics laboratory and Principle of physics are courses available for students in the Divisions of Computer Science, Environmental Science and Natural Resource, and Food Science and Technology, Faculty of Science and Technology at Rajamangala University of Technology Phra Nakhon (RMUTP).
Principle of physics laboratory attempts to enhance necessary knowledge for a complete understanding and to develop science process skills in Principle of Physics.
Material type and size of pipe: Acrylic plastic pipes meet the requirements for the experiment, because many of its properties, such as, transparency, abrasion resistant, resistant to ultraviolet and easy to clean [7].
Anupongongarge, Development of the Experiment Set for Studying Wave Resonance in Closed End Tube, Journal of Rangsit University: Teaching & Learning, (2011) 19
Online since: January 2014
Authors: Yu Guo Wei, Wei Feng Zhou, Yuan Yuan Li
Material parameters can be seen in table 1; the model’s mesh generation and the cloud chart of vertical displacement are shown in Fig.1 and 2.
(4) Response analysis of fatigue breakdown of pavement materials In the later period of the bituminous pavement, the structural layer’s anti-bending capacity is reflected by the allowable tensile stress [3,4].
Thereinto: (1) In the formula: ——allowable tensile stress of materials of the pavement structure layer, MPa ——splitting strength of materials of the structural layer, MPa; ——structural coefficient of tensile strength As for asphalt concrete pavement (2) As for inorganic binder stabilized base (3) In the formula: ——highway classification coefficient, that of expressway and first-class highway is 1.0, that of second-class highway is 1.1; ——grading coefficient of bituminous mixture, that of fine and medium-grain bituminous concrete is 1.0, that of coarse-grain is 1.1; ——accumulative equivalent axles of a lane in the design life.
It is calculated that the additional stress of the basement layer of the bituminous pavement is greater than the allowable tensile stress 0.22MPa and the pavement is damaged by fatigue cracking when the ratio of alter gradient of differential settlement in the later period exceeds 0.25%, which can be the control standard for differential settlement with regard to fatigue attenuation of bituminous pavement materials. 2.2 Control standard and classification of differential settlement (1) Control index of differential settlement In the paper, the control target of differential settlement is confirmed in overall consideration of tensile strength and fatigue properties of the pavement material.
Journal of Chang'an University (natural science edition. 2010.
Online since: September 2016
Authors: N. Lakshmi Narasimhan, P. Karthik
LHTS systems employ special materials referred to as phase change materials (PCMs) for storing and retrieval of thermal energy.
Al-Hallaj, A review on phase change energy storage: materials and applications, Ener Conv.
[2] Sharma., Review on thermal energy storage with phase change materials and applications, Renew.
Khodadadi, Thermal conductivity enhancement of phase change materials for thermal energy storage: A review, Ren.
Siddarth Arumugam., Numerical Studies on the Performance Enhancement of an Encapsulated Thermal storage unit, Internal Journal of Thermal Science (84) (2014) 184-195
Online since: June 2010
Authors: M. Feroz, J. Kamran, M. Sarwar
Khan, Pakistan 2 Advanced Materials Laboratory, P.O. 1509, Islamabad, Pakistan a jawedkamran1@yahoo.com Keywords: Vacuum Arc Melting, Stainless steel, Solidification, shrinkage cavity, Process Parameters.
The loss of this material severely affects the metals industry.
The arc heats both the start material and the electrode tip; eventually both of them melt down.
In this way materials loss due to shrinkage is compensated by the molten metal and shrinkage cavity gets chance to come up.
Stefanescu, Modelling and Simulation in Materials Science and Engineering, Vol. 5, No. 4, pp. 391-420,1997 [17] L.
Online since: March 2013
Authors: Bo Lin He, Xin Zhang, Yan Song
Among all the solder material, the tin-lead alloy solder is used most widely and its consumption in China is beyond ten thousand tons.
For example, IBM, AT&T, Bell, Motorola and Sandia national laboratory put a strength into the research of this kind of important Metallic Functional Materials, NCMS united eight companies which value 10 million dollars such as GM-Delco Electronics and Ford Motor Company cost 4 years to research dozens of substitution for Sn-Pb soldering filler metal, among those substitutions, Sn-3.8Bi, Sn-3.5Ag-4.8Bi and Sn-3.5Ag were considered as the most promising material used in microelectronics surface assembly.
The result shows that soldering filler metal can achieve good property under rapid solidification, for example, ultra refined of grain can make material gain high strength and toughness.
Acknowledgment The work is supported by the Science Foundation of East China Jiaotong University.
Material, Vol.41(1999), p.1269 [12] Liu P L, Shang J K: Materials research society, Vol.15(2000), p.1651 [13] Katsuaki S, Toshikazn M, Hirojr N: Materials research society, Vol.15(2000), p.884 [14] Chang-Bae, Seung-Boo J, Yang-Eui S, et al: Mater Tanans., Vol.42(2001), p.751 [15] Yasayuki M, Tadashi A: Mater Tanans., Vol.42(2001), p.776 [16] Huang M L, Yu D Q, Wang L, et al: Transactions of Nonferrous Metals Society of China, Vol.12(2002), p.486 [17] Man H, Zhang K K, Liu Y M, et al: Hot Working Technology, Vol.33(2004), p.45(in Chinese) [18] Chen G H, Li X Y, Geng Z T, et al: Rare Metal Materials and Engineering, Vol.33(2004), p.1222(in Chinese) [19] Xue S B, Yu S L: Transaction of the China Welsing Institution, Vol.25(2004), p.1 [20] He B L: Materials for Mechanical Engineering, Vol.21(2004), p.72(in Chinese)
Online since: November 2015
Authors: Gunther Reinhart, Peter Stich, Sven Thunig, Johannes Glasschröder, Georg Götz
More advanced systems are based on glass-ceramic-materials [18].
The aim of the study is to investigate, if MCISPs, based on glass-ceramic-materials, could be used for packaging application.
Material and methods.
Trends in Food Science & Technology 21 (2010), pp. 117–128
Sethi, Flexibility in Manufacturing: A Survey, The International Journal of Flexible Manufacturing Systems 2 (1990), pp. 289–328
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