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In 1997, Padhi et al. [1] has successfully synthesized a widely accepted cathode material, LiFePO4 because of its safety, low cost and environmentally benign.
In recent past, Recham at el. [2] revealed that a new fluorosulphate cathode material viz.

Architecture of Wideband High-Efficiency Envelope Tracking Power Amplifier for Base Station Masato Kaneta1, Akihiro Kanbe1, Hitoshi Hirata2, Tatsuhiro Shimura2, Kentarou Yamagishi2, and Haruo Kobayashi1, a 1 Faculty of Engineering, Gunma University 1-5-1 Tenjincho, Kiryu, Gunma, 376-8515 Japan 2 Sumitomo Electric Industries, Ltd 1-1-3 Shimaya, Konohana-ku, Osaka, 554-0024 Japan a k_haruo@el.gunma-u.ac.jp Keywords: Power Amplifier, Power Supply, Envelope Tracking, Base Station Abstract.
Lanfranco, et.al., “High Efficiency Envelope Tracking LDMOS Power Amplifier for W-CDMA", IEEE MTT-S International Microwave Symposium, pp.1534-1537 (June 2006)

Serra and A.L.
El Badrawy, D.

Solis et al stated that the tetragonal phase was responsible for the gas sensing properties of WO3[8].
Schneider, E.L.

Ibn El Jazzar, 5019 Monastir, Tunisia. 2 LTPCM, Domaine Universitaire BP 75 Saint Martin D'hères 38402, France. 3 Department of Materials Engineering, Federal University of Sao Carlos, SP, Brasil Keywords: bulk metallic glass, electromechanical processing, modelling, applied current, load, penetration depth.
Very recently, Yavari et al [1,2] have experimentally demonstrated the ability of electromechanical process for engraving exclusively on BMGs.

Wardany et al. [1] used a vibration signature analysis for tool condition monitoring in drilling of cast iron.
El-Wardany, D.

EI, AI, EL are agricultural production efficiency factor, agricultural structure factor, and agriculture economic development level factor respectively.
Zhang, et al.

The relative density and the hardness obtained are higher than previous results reported by Yeong et al. at the same sintering temperature [9].
El Briak-Ben Abdeslam, M.P.

Sánchez Carrilero et al., Metodología para el desarrollo de practicas virtuales de ingeniería de los procesos de fabricación, (in Spanish), Proc.

A Sensitivity Study of Some Parameters on the Efficiency of a Passive Ventilation System based on Solar Chimney Hichem Hamdad, Salah Larbi1,a, and Abdelkader Kessouri2 LGMD- Department of Mechanical Engineering Polytechnic National School of Algiers 10, Avenue Hassen Badi, El-Harrach, Algiers.
Bansal et al. [4] can be considered as the pioneers to investigate solar chimney configurations and performances for ventilation in buildings.