Results 241 to 250 of about 15,703 (300)
The type IV pilus steering committee: how Pil-Chp controls directional motility. [PDF]
J BacteriolYarrington KD, Limoli DH.
europepmc +1 more source
Transmission steel poles novel arrangement to control the pole EPR under substation fault
2015 Australasian Universities Power Engineering Conference (AUPEC), 2015 The increase in population forces High Voltage (HV) substation to be constructed within proximity of residential properties. These substations are fed by transmission mains. Based on existing standards, transmission mains structures have an earth grid that solidly bonded to the substation earth grid using the OHEW system.
M. Nassereddine +3 more
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Synthesis Design of Ultra-Wideband Bandpass Filters With Designable Transmission Poles
IEEE Microwave and Wireless Components Letters, 2009 A class of ultra-wideband (UWB) bandpass filters (BPFs) with designable transmission poles is presented. Transmission poles are controlled in number by introducing $m$ -section non-uniform transmission line in the center of a transmission-line multiple ...
Sheng Sun, Lei Zhu
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IEEE Microwave and Wireless Components Letters, 2019 © 2001-2012 IEEE. A compact fifth-order wideband bandpass filter (BPF) using simple coupled lines with sharp rolloff skirts is proposed in this letter. Five transmission poles within the passband and eight deep transmission zeros from 0 to 2\!f-{0} ( f ...
Kai-Da Xu, Donghao Li, Yanhui Liu
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Journal of Performance of Constructed Facilities, 2010 This paper investigates the feasibility of using an in situ wet layup fiber-reinforced polymer (FRP) repairing system to extend the service life of electric distribution and transmission wooden poles. The effectiveness of the FRP strengthening method was
Saafi, Mohamed, Asa, Eric
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Electrical Transmission and Substation Structures 2009, 2009
Although close attention is paid to the design of transmission poles, many times the design of the foundation is left up to a rule of thumb method. Reliable and established methods for analyzing laterally loaded piles have been incorporated into the current study to calculate the required depth of embedment for transmission poles, and the results are ...
Cassie McNames, Sivapalan Gajan
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Although close attention is paid to the design of transmission poles, many times the design of the foundation is left up to a rule of thumb method. Reliable and established methods for analyzing laterally loaded piles have been incorporated into the current study to calculate the required depth of embedment for transmission poles, and the results are ...
Cassie McNames, Sivapalan Gajan
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Tunable Bandpass Filter With Two Adjustable Transmission Poles and Compensable Coupling [PDF]
IEEE Transactions on Microwave Theory and Techniques, 2014 In this paper, tunable microstrip bandpass filters with two adjustable transmission poles and compensable coupling are proposed. The fundamental structure is based on a half-wavelength (λ/2) resonator with a center-tapped open-stub.
Xun Luo +2 more
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Analysis of steel transmission pole structures
Computers & Structures, 1978Abstract The possible use of three different numerical methods of structural analysis is investigated for the analysis of guyed and unguyed steel transmission pole structures. These three numerical schemes are (1) method of finite differences, (2) displacement or stiffness matrix method and (3) Newmark's method of successive approximations.
Ashok K. Chugh, S.B. Biggers
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