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| 1 | Total phenolic, flavonoid content, and antioxidant activity of flour, noodles, and steamed bread made from different colored wheat grains by three milling methods显示文摘The objective of this study was to evaluate the effects of wheat variety, food processing, and milling method on antioxidant properties. Black wheat variety Heibaoshi 1 had the highest total phenolic content(659.8 μg gallic acid equivalents g-1), total flavonoid content(319.3 μg rutin equivalents g-1), and antioxidant activity, whereas light purple wheat variety Shandongzimai 1 had the lowest total flavonoid content(236.2 μg rutin equivalents g-1) and antioxidant activity. Whole wheat flour and partially debranned grain flour had significantly higher total phenolic contents, total flavonoid contents, and antioxidant activity than refined flour(P < 0.05). Compared with flour, total phenolic contents, total flavonoid contents and antioxidant activity decreased in noodles and steamed bread, whereas noodles had slightly higher total phenolic and flavonoid content than steamed bread. Antioxidant activities(by ferric reducing ability of plasma assay) of steamed bread made from whole wheat flour, partially debranned grain flour, and refined flour were 23.5%, 21.1%, and 31.6% lower, respectively, than the corresponding values of flour. These results suggested that black whole wheat flour and partially debranned grain flour are beneficial to human health. | Yaoguang Li Dongyun Ma Dexiang Sun Chenyang Wang Jian Zhang Yingxin Xie Tiancai Guo | 2015 | The Crop Journal2015，3，4： | 7 |
| 2 | Parallelizing of macro-scale pseudo-particle modeling for particle-fluid systems显示文摘A parallel algorithm suitable for simulating multi-sized particle systems and multi- phase fluid systems is proposed based on macro-scale pseudo-particle modeling (MaPPM). The algorithm employs space-decomposition of the computational load among the processing ele- ments (PEs) and multi-level cell-subdivision technique for particle indexing. In this algorithm, a 2D gas-solid system is simulated with the temporal variations of drags on solids, inter-phase slip velocities and solids concentration elaborately monitored. Analysis of the results shows that the algorithm is of good parallel efficiency and scalability, demonstrating the unique advantage of MaPPM in simulating complex flows. | TANG Dexiang GE Wei WANG Xiaowei MA Jingsen GUO Li LI Jinghai | 2004 | Science China Chemistry2004，47，5： | 6 |
| 3 | Connected Domination Critical Graphs 显示文摘 | CHEN Xuegang LIANG Sun MA Dexiang | 2004 | Applied Mathematics2004，17，： | 1 |
| 4 | Upper and lower solution method for fourth-order four-point bound- ary value problem显示文摘 | Ma Dexiang Yang Xiaozhong | 2009 | Comp Appl Math2009，223，： | 1 |
| 5 | Region-of-interest micro-focus computed tomography based on an all-optical inverse Compton scattering source显示文摘Micro-focus computed tomography(CT),which allows the hyperfine structure within objects to be reconstructed,is a powerful nondestructive testing tool in many fields.However,current x-ray sources for micro-focus CT are typically limited by their relatively low photon energy and low flux.An all-optical inverse Compton scattering source(AOCS)based on laser wakefield acceleration can generate intense quasi-monoenergetic x/gamma-ray pulses in the kilo-to megaelectronvolt range with micrometer-level source size,and its potential application for micro-focus CT has become very attractive in recent years because of the rapid progress made in laser wakefield acceleration.Reported here is a successful experimental demonstration of high-fidelity micro-focus CT using an AOCS(∼70 keV)by imaging and reconstructing a test object with complex inner structures.A region-of-interest CT method is adopted to utilize the relatively small field of view of the AOCS to ensure high spatial resolution.This demonstration of AOCS-based region-of-interest micro-focus CT is a key step toward its application in the field of hyperfine nondestructive testing. | Yue Ma Jianfei Hua Dexiang Liu Yunxiao He Tianliang Zhang Jiucheng Chen Fan Yang Xiaonan Ning Zhongshan Yang Jie Zhang Chih-Hao Pai Yuqiu Gu Wei Lu | 2020 | Matter and Radiation at Extremes2020，5，6： | 1 |
| 6 | Existence and iteration of monotone positive solutions for muhipoint boundary value problem with p -Laplacian operator显示文摘 | MA Dexiang DU Zengji GE Weigao | 2005 | Comput Math Appl2005，50，5： | 1 |
| 7 | Existence and iteration of monotone positive solutions for multipoint boundary value problem with p-Laplacian operator 显示文摘 | MA Dexiang DU Zengji GE Weigao | 2005 | Comput Math Appl2005，50，56： | 1 |
| 8 | Existence and iteration of monotone positive solutions for muhipoint boundary value problem with p-Laplaeian operator 显示文摘 | MA Dexiang DU Zengji GE Weigao | 2005 | Journal of Computers & Mathematics and Applications2005，50，5： | 1 |
| 9 | Existence and iteration of monotone positive solutions for multipoint boundary value problems with p - Laplacian operatior 显示文摘 | Ma Dexiang Du Zengji Ge Weigao | 2005 | Comput Math Appl2005，50，： | 1 |
| 10 | Existence and iteration of monotone positive solutions for multipoint boundary value problem with p-Laplacian operator 显示文摘 | Ma Dexiang Du Zengji Ge Weigao | 2005 | Journal of Computers &Mathematics and Applications2005，50，5： | 1 |
| 11 | Existence and iteration of pseudo-symmetric positive solutions for a three-point secondorder p-Laplacian, BVP显示文摘 | Dexiang Ma Weigao Ge | 2007 | Applied Mathematics Letters2007，20，12： | 1 |
| 12 | Positive solution of boundary value problem for onedimensional p-Laplacian with singularities显示文摘 | Ma Dexiang Han Jianxin Chen Xuegang | 2006 | Math Anal Appl2006，324，： | 1 |
| 13 | Interaction between coal and distillation residues of coal tar during co-pyrolysis 显示文摘 | ZHANG Dexiang WANG Shengchun MA Xiaolong | 2015 | Fuel Processing Tech- nology2015，138，： | 1 |
| 14 | A NEW RESULT ON A p-LAPLACIAN BOUNDARY VALUE PROBLEM WITH NONLINEAR BOUNDARY CONDITIONS显示文摘By employing Mawhin's continuation theorem, the existence of solution for a p-Laplacian equation with nonlinear boundary conditions is obtained under simple assumptions. | Ma Dexiang Ge Weigao | 2005 | Annals of Differential Equations2005，21，3： | 0 |
| 15 | TRIPLE SYMMETRIC POSITIVE SOLUTIONS TO NONLINEAR BVP WITH INTEGRAL BOUNDARY VALUE CONDITIONS显示文摘In the paper,we consider a nonlinear boundary value problem with integral boundary value conditions.By a generalization of the Leggett-Williams fixed-point theorem,we provide sufficient conditions for the existence of at least three positive solutions to the problem.An example is introduced to demonstrate our result. | Zhen Liu,Dexiang Ma (Dept.of Math.,North China Electric Power University,Beijing 102206) | 2012 | Annals of Differential Equations2012，28，1： | 0 |
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