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| 1 | A Fast-Fractional Flow Reserve Simulation Method in A Patient with Coronary Stenosis Based on Resistance Boundary Conditions显示文摘Fractional flow reserve(FFR)is the gold standard to identify individual stenosis causing myocardial ischemia in catheter laboratory.The purpose of this study is to present a fast simulation method to estimate FFR value of a coronary artery,which can evaluate the performance of vascular stenosis,based on resistance boundary conditions.A patient-specific 3-dimensional(3D)model of the left coronary system with intermediate diameter stenosis was reconstructed based on the CTA images.The resistance boundary conditions used to simulate the coronary microcirculation were computed based on anatomical reconstruction of coronary 3D model.This study was performed by coupling the 3D coronary tree model with the lumped parameter model(0D model).The flow rate and pressure of coronary tree were calculated in twenty minutes.In addition,the effect of inlet pressure and myocardial mass on FFRss values has been investigated.The results showed that the effect of myocardial mass was greater than the effect of inlet pressure on FFRss.This FFRss simulation method can quickly and accurately assess the influence of coronary stenosis in aid clinical diagnosis. | Wenxin Wang Dalin Tang Boyan Mao Bao Li Xi Zhao Jian Liu Youjun Liu | 2018 | Computer Modeling in Engineering & Sciences2018，，8： | 1 |
| 2 | Some inequalities for sum and product of positive semidef- inite matrices 显示文摘 | WANG Boying XI Boyan ZHANG Fuzhen | 1999 | Linear Algebra and Its Applications1999，293，： | 1 |
| 3 | Some inequalities for singular values of matrix products 显示文摘 | WANG Boying XI Boyan | 1997 | Linear Algebra and Its Applications1997，264，： | 1 |
| 4 | Chemical profiling of triacylglyeerols and diaeylglyeerols in cow milk fat by ultra-performance convergence chromatography combined with a quadrupole time-of-flight mass spectrometry 显示文摘 | Zhou Qin Gao Boyan Zhang Xi | 2014 | Food Chemistry2014，143，： | 1 |
| 5 | Some inequalities for sum and product of positive semidefinite matrices 显示文摘 | WAGN Boying XI Boyan ZHANG Fuzhen | 1999 | Linear Algebra and Its Applications1999，293，13： | 1 |
| 6 | Chemical profiling of triacylglycerols and diacyl- glycerols in cow milk fat by ultraperformance convergence chromatography combined with a quadrupole time-of-flight mass spectrometry 显示文摘 | ZHOU Qin GAO Boyan ZHANG Xi | 2014 | Food Chem2014，143，15： | 1 |
| 7 | Chemical profiling of triacylglycerols and diacylglycerols in cow milk fat by ul- tra-performance convergence chromatography combined with a quadrupole time-of-flight mass spectrometry 显示文摘 | Zhou Qin Gao Boyan Zhang Xi | 2014 | Food Chem2014，143，： | 1 |
| 8 | Some inequalities for sum and product of positive semidefinite matrices显示文摘 | Wang Boying Xi Boyan | 1999 | Linear Algebra and its Applications1999，293，13： | 1 |
| 9 | A new method to prove and find analytic inequalities显示文摘 | Zhang Xiaoming Xi Boyan Chu Yuming | 2010 | Abstract and Applied Analysis2010，，： | 1 |
| 10 | Some inequalities for sum and product of positive semidefinite matrices 显示文摘 | Wang Boying Xi Boyan | 1999 | Linear Algebra and its Applications1999，293，13： | 1 |
| 11 | Some inequalities for sum and product of positive semidefinite matrices 显示文摘 | Wang Boying Xi Boyan | 1999 | Linear Algebra and its Applications1999，293，13： | 1 |
| 12 | A new method to prove and find analytic inequalities显示文摘 | ZHANG Xiaoming XI Boyan CHU Yuming | 2010 | Ab- stract and Applied Analysis2010，，： | 1 |
| 13 | PROBLEM OF EQUALITIES IN EIGENVALUE INEQUALITIES FOR PRODUCTS OF POSITIVE SEMIDEFINITE HERMITIAN MATRICES显示文摘Let A∈Cm×n,set eigenvalues of matrix A with |λ1 (A)|≥|λ2(A)|≥…≥|λn(A)|,write A≥0 if A is a positive semidefinite Hermitian matrix, and denote∧k (A)=diag (λ1(A),…,λk(A)),∧((n-k).(A)=diag (λk+1(A),…,λn(A))for any k=1, 2,...,n if A≥0. Denote all n order unitary matrices by Un×n.Problem of equalities to hold in eigenvalue inequalities for products of matrices | Xi Boyan(Inner Mongolia Teachers College for Nationalities,Tongliao 028043,PRC) | 2000 | Numerical Mathematics A Journal of Chinese Universities(English Series)2000，9，S1： | 0 |
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