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SHRIMP Zircon U-Pb Ages of the Wajilitag Igneous Complex: Constraints on the Origin of A-type Granitoids in the Tarim Large Igneous Province, NW China

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Acta Geologica Sinica(english Edition) 2017年第6期91卷 2318-2320页

作者： CAO Jun TAO Jihua WANG Xuan Fundamental Science on Radioactive Geology and Exploration Technology Laboratory East China University of Technology school of Earth Sciences East China University of Technology

Objective Large igneous provinces （LIPs） are sites of spatially contiguous, rapidly emplaced magmatic rocks, which represent the physical and chemical transfer of material from the mantle to the crust. Exposed within some continental LIPs are felsic and rnafic plutonic and volcanic rocks. Although their volumes are minor compared to the flood basalts, the plutonic rocks of continental LIPs are often associated with economic deposits of precious metals. Within the Permian Tarim LIP of NW China, there are at least two layered ultramafic-mafic intrusions （e.g. Wajilitag and Piqiang） contain economically important Fe- Ti-V oxide deposits. Spatially associated with these layered ultramafic-mafic intrusions are syenitic and granitic plutons, which have chemical characteristics of A- type granitoids.

关键词： SHRIMP Zircon U-Pb Ages of the Wajilitag Igneous Complex Constraints on the Origin of A-type Granitoids Tarim Large Igneous Province NW China

A Decision Support System for Analyzing and Evaluating Merger and Acquisition Strategies

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Journal of Donghua University(english Edition) 2012年第6期29卷 506-509页

作者：刘可新赵春彦谢徐娟 school of Ecnomic & Management Shanghai Institute of Technology Antai College of Economics & Management Shanghai Jiaotong University Jiaxing Nanyang Voctional Technical College

A computer aided decision support system (merger and acquisition analyzing and evaluating-decision support system (MAAE-DSS)) for analyzing and evaluating corporate merger and acquisition (M&A) strategies, was proposed. Strategic management tools such as scale index-market growth rate matrix (S-M matrix), industrial attraction-corporate strength matrix (I-S matrix), market growth rate-market occupancy matrix (G-O matrix), and life cycle-competitive position matrix (L-C matrix), were applied in the MAAE-DSS with its own data base (DB), model base (MB), method base (MeB), and knowledge base (KB), in order to support the management bureau in the formulation of M&A strategies.

关键词： corporate M & A strategies decision support system analyzing and evaluating

Microstructural Evolution and Anisotropic Weakening Mechanism of ZK60 Magnesium Alloy Processed by Isothermal Repetitive Upsetting Extrusion

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Acta Metallurgica Sinica(english Letters) 2022年第5期35卷 839-852页

作者： Zhengran Liu Xi Zhao Kai Chen Siqi Wang Xianwei Ren Zhimin Zhang Yong Xue school of Mechanical and Electrical Engineering North University of ChinaTaiyuan030051China Engineering Technology Research Center for Integrated Precision Forming of Shanxi Province North University of ChinaTaiyuan030051China

The isothermal repetitive upsetting extrusion(RUE)was implemented to process ZK60 magnesium alloy at 380℃.Then,the relationship between the microstructural characters,including grain refinement and texture evolution,and the mechanical performance of the alloy was *** showed that after 3 passes of RUE,the average grain size was refined from 115.0 to 26.5μm,which was mainly caused by the continuous dynamic recrystallization and discontinuous dynamic ***,the elongation of the alloy increased from 13.8 to 21.6%,and the superplasticity(142%)of the alloy has been achieved in the following high temperature tensile test,which is very beneficial for the further processing of the alloy into *** particular,the alloy formed a distinctive texture distributed betweenand,which was greatly related to the Schmid factor of extrusion direction(ED)and transverse direction(TD).This texture changed the initiation ability of basal and prismatic slip in both directions and inhibited the initiation of partial tensile twinning in TD;thus,the anisotropy in both directions was *** expected,the tensile yield strength difference decreased from25.9 to 3.4 MPa,but it was used as the cost of tensile yield strength in ED.

关键词： Severe plastic deformation Repetitive upsetting extrusion ZK60 alloy Microstructure Mechanical properties

Pilot Study on Nanofiltration Combined with Ozonation and GAC for Advanced Drinking Water Treatment

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Journal of Donghua University(english Edition) 2004年第6期21卷 104-108页

作者：薛罡何圣兵王欣泽 College of Environmental Science and Engineering Dong Hua University Shanghai 200051 school of Environmental Science and Engineering Shanghai Jiaotong University Shanghai 200240

A pilot-scale study of advanced drinking water treatment was carried out in test site, and a combination of ozonation, granular activated carbon (GAC) and nanofiltration was employed as the experimental process. By optimizing the operational parameters of ozonation and GAC, a large quantity of micro-pollutants in drinking water was removed, which made the post-positioned nanofiltration operate more reliably. It was evident that nanofiltration shows good performance for removing residual organic matter, meantime partial minerals can also be retained by nanofiltration. Therefore the quality of drinking water can be further improved. In addition, NF membrane fouling and scaling can be solved by concentrate recycling, anti-scalant dosing and chemical rinsing effectively. By GAC adsorption for the residue chlorine and ozone self-decomposition, their oxidation on NF membrane material can be eliminated completely.

关键词： drinking water, advanced treatment, ozonation, GAC adsorption, nanofiltration

Effect of Zn Addition on the Microstructure and Mechanical Properties of Cast Mg-10Gd-3.5Er-xZn-0.5Zr Alloys

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Acta Metallurgica Sinica(english Letters) 2020年第11期33卷 1505-1517页

作者： Qiu Zhang Wencai Liu Guohua Wu Liang Zhang Wenjiang Ding National Engineering Research Center of Light Alloy Net Forming and Key State Laboratory of Metal Matrix Composites School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China

In this work,the effects of Zn content(0-2 wt%)on microstructural evolution and mechanical properties of cast Mg-10Gd-3.5Er-0.5Zr alloys are *** results show that the as-cast Mg-10Gd-3.5Er-xZn-0.5Zr alloys are mainly composed of Mg matrix and secondary(Mg,Zn)3(Gd,Er)phases distributed along grain *** the increase in Zn content,the volume fraction of secondary(Mg,Zn)3(Gd,Er)phases increases and the grains get *** the process of solid solution treatment,Zn addition can lead to the formation of long-period stacking ordered(LPSO)structures and the volume fraction of LPSO structures increases with Zn *** addition,the Zn addition can reduce the vacancy formation energy and accelerate the diffusion rate of RE elements in Mg *** of the comprehensive effect of secondary phases and the accelerated diffusion rate,the base alloy and 2Zn alloy have less grain growth after solid solution treatment than that of the 0.5Zn alloy and 1 Zn *** precipitation process is also accelerated by enhanced diffusion *** room temperature(RT),the strengthening effect of β’+β1 precipitates is more effective than that of LPSO structures,so the peak-aged 0.5Zn alloy exhibits the most excellent mechanical performance at RT,with yield strength of 219 MPa,ultimate tensile strength 296 MPa and elongation of 6.4%.While LPSO structures have stronger strengthening effect at elevated temperature than that of β’+β1 precipitates,so the 1Zn alloy and 2Zn alloy have more stable mechanical performance than that of the base alloy and 0.5Zn alloy with the increase in tensile temperature.

关键词： Mg alloy Mg-Gd-Er-Zn Microstructure Mechanical properties Strengthening mechanism

Synthesis of a Novel UV-Curable Diluent Benzyl Glycidyl Ether Acrylate and Its Application

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Journal of Donghua University(english Edition) 2011年第4期28卷 353-357页

作者：黄笔武翁子骧郑雪琳姜安坤刘世民 school of Material Science and Engineering Nanchang University Department of Chemistry Nanchang University Fujian Key Laboratory of Polymer Materials Fujian Normal University

A novel UV-curable diluent benzyl glycidyl ether acrylate(BGEA) was synthesized by utilizing benzyl glycidyl ether(BGE) and acrylic acid(AA) as starting materials,N,N-dimethylbenzylamine as catalyst and p-hydroxyanisole as *** optimum synthetic conditions were that the concentration of N,N-dimethylbenzylamine was 0.90% of reactants by weight,the concentration of p-hydroxyanisole was 0.20% of reactants by weight,the reaction temperature was 90-100℃,and the molar ratio of BGE to AA was 1.00:*** experiment shows that BGEA is a kind of good *** mechanical properties of the UV-cured films with BGEA as diluent to prepare UV-curing coating were superior to that of the UV-cured films with butyl acrylate as diluent to prepare UV-curing coating.

关键词： benzyl glycidyl ether acrylate(BGEA) synthesis acrylic acid UV-curable diluent film

New regularization method and iteratively reweighted algorithm for sparse vector recovery

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Applied Mathematics and Mechanics(english Edition) 2020年第1期41卷 157-172页

作者： Wei ZHU Hui ZHANG Lizhi CHENG Post-doctoral Research Station of Statistics School of Mathematics and Computational ScienceXiangtan UniversityXiangtan 411105Hunan ProvinceChina Department of Mathematics National University of Defense TechnologyChangsha 410073China

Motivated by the study of regularization for sparse problems,we propose a new regularization method for sparse vector *** derive sufficient conditions on the well-posedness of the new regularization,and design an iterative algorithm,namely the iteratively reweighted algorithm(IR-algorithm),for efficiently computing the sparse solutions to the proposed regularization *** convergence of the IR-algorithm and the setting of the regularization parameters are analyzed at ***,we present numerical examples to illustrate the features of the new regularization and algorithm.

关键词： regularization method iteratively reweighted algorithm(IR-algorithm) sparse vector recovery

Correlation between blepharospasm and psychological diseases:the anxiety,depression and sleep disorder study

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International Journal of Ophthalmology(english edition) 2024年第11期17卷 2007-2013页

作者： Hui-Na Zhang Qi Gao Jia-Jun Xie Juan Ye Eye Center of the Second Affiliated Hospital Zhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina

AIM:To investigate the relationship between benign essential blepharospasm(BEB)symptoms and depression/anxiety/sleep disorder in a prospective manner and to determine whether treatment the BEB with botulinum toxin type A(BoNT/A)can impact psychological ***:This prospective interventional case series recruited 61 adults with evidence of *** were administered the Jankovic Rating Scale(JRS),the Blepharospasm Disability Index(BSDI),Personal Health Questionnaire Depression Scale(PHQ-8),Generalized Anxiety Disorder 7-item scale(GAD-7)and the Athens insomnia scale(AIS)to evaluate the severity of BEB symptoms,depression,anxiety and sleep disorder before and 1wk,1,3mo after the BoNTA *** analysis was performed to assess the relationships between changes in the survey ***:The mean score for JRS,BSDI,PHQ-8,and GAD-7 improved significantly(P<0.0001),respectively,compared to the initial visit at *** baseline,worse BSDI scores were correlated with worse GAD-7 and PHQ-8,but not with worse *** 1mo follow-up visit,there was no correlation between change in BSDI and PHQ-8/AIS,the change in GAD-7 showed a mild association with change in *** change in BSDI was correlated with the change in both PHQ-8 and GAD-7 in the subgroup of patients without a prior diagnosis of depression or *** satisfaction with BoNT/A treatment reached the highest at 1mo of follow-up(83.6%,51/61).CONCLUSION:BEB may lead to psychological ***/A can significantly improve motor and non-motor symptoms of BEB,which emphasize the effectiveness of BoNT/A and therefore pave the way for its use in the field of ***,further research is needed to confirm these findings and understand the underlying mechanisms.

关键词： blepharospasm psychological diseases sleep disorder botulinum toxin type A

Power auction and allocation for network-coded cooperation

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Journal of Shanghai University(english Edition) 2011年第1期15卷 69-74页

作者：徐虹完邹君妮 Key Laboratory of Specialty Fiber Optics and Optical Access Networks School of Communication and Information Engineering Shanghai University

Optimal resource allocation is critical to the efficiency of cooperative communiCations. In this paper, we develop an auction-based power allocation mechanism for network-coded cooperation in wireless networks, in which the sources compete for the relay power for maximum utility, while the relay node assigns the resource in accordance with the bids from the sources. Moreover, to improve the resource utilization, the relay node is allowed to perform network coding across the received information for the same destination. Finally, numerical results validate the performance of the proposed algorithm, and show that there exists a tradeoff between the system outage probability and the power consumed at the relay node.

关键词： cooperative communication power auction resource allocation network coding