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2篇 您的检索式：作者名="Peter Hasel"

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		题名	作者	年代	出处	被引量
	1	Multiple gastrointestinal stromal tumors and bilateral pheochromocytoma in neurofibromatosis显示文摘The coincidence of a gastrointestinal stromal tumor (GIST) and a neuroendocrine tumor (NET) in neurofibromatosis type 1 (NF1) is described only five times within the literature. We report on a 63 year old Caucasian female with the rare condition of neurofibromatosis type 1 coinciding with recurrent gastrointestinal stromal tumor plus bilateral pheochromocytoma (PCC). After a history of palpitations and dizziness that lasted for years, a left adrenal mass was detected by CT. Laparotomy revealed a pheochromocytoma of the left adrenal gland while an ileoterminal GIST was found incidentally intraoperatively. After six months contralateral PCC and multiple recurrent GIST were resected again. After four years the patient is doing well without any signs of further recurrent tumors. Discussion includes review of the literature.	Klaus Kramer Cornelia Hasel Andrik J Aschoff Doris Henne-Bruns Peter Wuerl	2007	World Journal of Gastroenterology2007，13，24：	3
	2	Efficient Dynamic Floor Field Methods for Microscopic Pedestrian Crowd Simulations显示文摘Floor field methods are one of the most popular medium-scale navigation concepts in microscopic pedestrian simulators.Recently introduced dynamic floor field methods have significantly increased the realism of such simulations,i.e.agreement of spatio-temporal patterns of pedestrian densities in simulations with real world observations.These methods update floor fields continuously taking other pedestrians into account.This implies that computational times are mainly determined by the calculation of floor fields.In this work,we propose a new computational approach for the construction of dynamic floor fields.The approach is based on the one hand on adaptive grid concepts and on the other hand on a directed calculation of floor fields,i.e.the calculation is restricted to the domain of interest.Combining both techniques the computational complexity can be reduced by a factor of 10 as demonstrated by several realistic scenarios.Thus on-line simulations,a requirement of many applications,are possible for moderate realistic scenarios.	Dirk Hartmann Peter Hasel	2014	Communications in Computational Physics2014，16，6：	0

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