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Zhang, Zhi Ling; Liu, Zhuo Wei; Zhou, Fang; Li, Yong Hong; Xiong, Yong Liang; Rao, Kai; Hou, Guo Liang; Han, Ho Jae; Qin, Zi Ke; Yu, Shanshan; Chen, Xiaofeng

doi:10.1016/j.urology.2009.11.015

Cited by 2 publications

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“…It has been shown that by increasing the bone window width on CT the features of foreign body may be more easily delineated [13]. Pre-operative planning involving 3dimensional modelling [1] and navigational surgery may be helpful.…”

Section: Discussionmentioning

confidence: 99%

Abnormal Presentation of a Plastic Foreign Body in The Retropharyngeal Space.

2020

sjtemac

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We present a case of a plastic foreign body that was initially not identified despite preliminary radiographs. Penetrating foreign bodies located in the retropharyngeal space carry a high risk of mortality due to their proximity to the carotid sheath. Foreign bodies left in situ may lead to a number of complications notably infection or fistulae. To limit the risks associated with these injuries timely diagnosis with appropriate imaging is vital. Unfortunately, plastic foreign bodies can be difficult to visualize on standard imaging modalities which can complicate diagnosis.

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Section: Discussionmentioning

confidence: 99%

Abnormal Presentation of a Plastic Foreign Body in The Retropharyngeal Space.

2020

sjtemac

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“…That can cause a solution to converge to local-minima rather than a global-minima. So, it is necessary to solve current optimization challenges [15][16][17] to sort out issues in numerical and analytical techniques. Many meta-heuristic techniques have been proposed which are genetic algorithm (GA) [18], particle swarm optimization (PSO) algorithm [19,20], simulated annealing (SA) [21], differential algorithm (DA) [22], and teaching learning algorithm (TLA) [23].…”

Section: Introductionmentioning

confidence: 99%

Optimization of accurate estimation of single diode solar photovoltaic parameters and extraction of maximum power point under different conditions

Akbar

Mehmood

Sadiq

et al. 2021

Electrical Engineering & Electromechanics

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Introduction. With the snowballing requirement of renewable resources of energy, solar energy has been an area of key concern to the increasing demand for electricity. Solar photovoltaic has gotten a considerable amount of consideration from researchers in recent years. Purpose. For generating nearly realistic curves for the solar cell model it is needed to estimate unknown parameters with utmost precision. The five unknown parameters include diode-ideality factor, shunt-resistance, photon-current, diode dark saturation current, and series-resistance. Novelty. The proposed research method hybridizes flower pollination algorithm with least square method to better estimate the unknown parameters, and produce more realistic curves. Methodology. The proposed method shows many promising results that are more realistic in nature, as compared to other methods. Shunt-resistance and series-resistance are considered and diode constant is not neglected in this approach that previously has been in practice. The values of series-resistance and diode-ideality factor are found using flower pollination algorithm while shunt-resistance, diode dark saturation current and photon-current are found through least square method. Results. The combination of these techniques has achieved better results compared to other techniques. The simulation studies are carried on MATLAB/Simulink.

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Cited by 2 publications

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Abnormal Presentation of a Plastic Foreign Body in The Retropharyngeal Space.

Abnormal Presentation of a Plastic Foreign Body in The Retropharyngeal Space.

Optimization of accurate estimation of single diode solar photovoltaic parameters and extraction of maximum power point under different conditions

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