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Oxidation pathway and kinetics of titania slag powders during cooling process in air

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International Journal of Minerals,Metallurgy and Materials 2021年第6期28卷 981-990页

作者： Wen-chao he Xue-wei lü Cheng-yi Ding Zhi-ming Yan School of Metallurgy and Materials Engineering Chongqing University of Science and TechnologyChongqing 401331China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China State Key laboratory of Mechanical Transmissions Chongqing UniversityChongqing 400044China Chongqing Key laboratory of Vanadium-Titanium Metallurgy and New Materials Chongqing UniversityChongqing 400044China College of Metallurgical Engineering Anhui University of TechnologyMa’anshan 243002China WMG University of WarwickCoventryCV47ALUK

The oxidation pathway and kinetics of titania slag powders in air were analyzed using differential scanning calorimetry(DSC)and thermogravimetry(TG).The oxidation pathway of titania slag powder in air was divided into three stages according to their three exothermic peaks and three corresponding mass gain stages indicated by the respective non-isothermal DSC and TG *** isothermal oxidation kinetics of high titania slag powders of different sizes were analyzed using the ln-ln analysis *** results revealed that the entire isothermal oxidation process comprises two *** kinetic mechanism of the first stage can be described as f(α) = 1.77(1-α) [-ln (1-α)]^((1.77-1)/1.77),f(α)= 1.97(1-α) [-ln (1-α)]^((1.97-1)/1.97),and f (α) = 1.18(1-α) [-ln (1-α)]^((1.18-1)/1.18).The kinetic mechanism of the second stage for all samples can be described as f (α)=1.5(1-α)^(2/3)[1-(1-α)^(1/3)]^(-1).The activation energies of titania slag powders with different sizes(d_(1)he given experimental conditions,the rate-controlling step in the first oxidation stage of all the samples is a chemical *** rate-controlling steps of the second oxidation stage are a chemical reaction and internal diffusion(for powders d_(1)l diffusion(for powders 0.125 mm

关键词： high titania slag powder oxidation pathway isothermal oxidation kinetics ln-ln analysis activation energy rate-controlling step

UnionPay Payment Scheme Based on Controlled Quantum Teleportation

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Chinese Journal of Electronics 2020年第3期29卷 533-539页

作者： WEN Xiaojun ChEN Yongzhi yi Zhengzhong JIANG l.Zoe FANG Junbin School of Computer Engineering Shenzhen Polytechnic Department of Electronics and Information Engineering Shijiazhuang University School of Computer Science and Technology Harbin Institute of Technology Department of Electronic Engineering Jinan University

We propose a UnionPay payment scheme based on controlled quantum teleportation in which the whole process is realized through correlation of the three-particle entangled state, controlled quantum teleportation, and the physical property of quantum mechanics. Combined with some typical quantum key distribution protocols, the proposed UnionPay payment scheme with unconditional security(information theory security)overcomes the limitation of computational security generally existing in traditional UnionPay payment systems.

关键词： UnionPay payment Controlled quantum teleportation Quantum key distribution Unconditional security

Effect of Fe concentration on the nonlinear refraction and reverse saturable absorption in ferroelectric X-cut liNbO_3 crystal

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Chinese Optics letters 2015年第7期13卷 92-95页

作者： h.l.Saadon laser Applications and Optical Materials Group Department of Physics College of ScienceUniversity of Basrah

In this letter, the effects of the iron （Fe） dopant concentration on the nonlinear optical properties of iron-doped ferroelectric X-cut liNbO3 crystals plates are studied by using the Z-scan technique with a cw laser at the wave- length of 532 nm. The amount of iron in the compound is varied from 0 to 0.15 mol%. Measurements of nonlinear refractive index n2 and the nonlinear absorption coefficient β are determined. The sign of the nonlinear refractive index is found to be negative and the magnitude is on the order of 10-s cm2/W. This nonlinear effect increases as the concentration increases from 0 to 0.15 mol%. A good linear relationship is obtained between nonlinear refractive index, nonlinear absorption coefficient, and concentration.

关键词： Fe Effect of Fe concentration on the nonlinear refraction and reverse saturable absorption in ferroelectric X-cut liNbO3 crystal

Maintaining moderate levels of hypochlorous acid promotes neural stem cell proliferation and differentiation in the recovery phase of stroke

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Neural Regeneration Research 2025年第3期20卷 845-857页

作者： lin-Yan huang yi-De Zhang Jie Chen hai-Di Fan Wan Wang Bin Wang Ju-Yun Ma Peng-Peng li hai-Wei Pu Xin-yian Guo Jian-Gang Shen Su-hua Qi School of Medical Technology Xuzhou Key Laboratory of Laboratory DiagnosticsXuzhou Medical UniversityXuzhouJiangsu ProvinceChina School of Pharmacy Xuzhou Medical UniversityXuzhouJiangsu ProvinceChina Department of laboratory Medicine Branch Hospital of Huai’an First People’s HospitalHuai’anJiangsu ProvinceChina Department of laboratory Medicine the Affiliated Hospital of Xuzhou Medical UniversityXuzhouJiangsu ProvinceChina School of Chinese Medicine The University of Hong KongHong Kong Special Administrative RegionChina

It has been shown clinically that continuous removal of ischemia/reperfusion-induced reactive oxygen species is not conducive to the recovery of late ***,previous studies have shown that excessive increases in hypochlorous acid after stroke can cause severe damage to brain *** previous studies have found that a small amount of hypochlorous acid still exists in the later stage of stroke,but its specific role and mechanism are currently *** simulate stroke in vivo,a middle cerebral artery occlusion rat model was established,with an oxygen-glucose deprivation/reoxygenation model established in vitro to mimic *** found that in the early stage(within 24 hours)of ischemic stroke,neutrophils produced a large amount of hypochlorous acid,while in the recovery phase(10 days after stroke),microglia were activated and produced a small amount of hypochlorous ***,in acute stroke in rats,hypochlorous acid production was prevented using a hypochlorous acid scavenger,taurine,or myeloperoxidase inhibitor,4-aminobenzoic acid *** results showed that high levels of hypochlorous acid(200μM)induced neuronal apoptosis after oxygen/glucose deprivation/***,in the recovery phase of the middle cerebral artery occlusion model,a moderate level of hypochlorous acid promoted the proliferation and differentiation of neural stem cells into neurons and *** suggests that hypochlorous acid plays different roles at different phases of cerebral ischemia/reperfusion *** levels of hypochlorous acid(5 and 100μM)promoted nuclear translocation ofβ-*** transfection of single-site mutation plasmids,we found that hypochlorous acid induced chlorination of theβ-catenin tyrosine 30 residue,which promoted nuclear ***,our study indicates that maintaining low levels of hypochlorous acid plays a key role in the recovery of neurological function.

关键词： cell differentiation cerebral ischemia/reperfusion injury chlorination hypochlorous acid microglia neural stem cell neurogenesis nuclear translocation stroke β-catenin

The W-11-4A Platform Comprehensive Strength Monitoring System

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China Ocean Engineering 1998年第2期13卷 135-146页

作者： Shen, Zh li, h Xue, yi Chen, JC Zhao, Q Chinese Acad Sci Inst Mech Beijing 100080 Peoples R China louisiana Tech Univ Appl & Computat Anal & Modeling Program Ruston LA 71272 USA Acad Sinica S China Sea Inst Oceanol Guangzhou 510301 Peoples R China

A comprehensive strength monitoring system used on a fixed jacket platform is presented in this paper. The long-term monitoring of W-11-4A platform achieved. Structural responses (strain and acceleration) at selected locations, as well as associated environmental parameters, have been obtained. The emphasis of the paper is placed on the system design, and the instrumentation and operation methodology employed in the monitoring of the structural responses. The performance of the system and the characteristic results obtained during its 13-month operation are also summarized.

关键词： monitoring techniques comprehensive strength monitoring structural responses waterproof strain transducers underwater instrumentation techniques

DMMF: Dominant and Max-Min Fair Allocation in Satellite Networks

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China Communications 2015年第S2期12卷 149-154页

作者： lIN Fuhong ZhENG yi ZhOU Xianwei lü Xing School of Computer and Communication Engineering University of Science and Technology Beijing Network Technology Research Institute China United Network Communications Corporation Limited School of Science Beijing Jiaotong University

Resource allocation is crucial for satellite networks. In this paper, we propose a multi-resource fair allocation scheme, namely Dominant and Max-min Fair(DMMF), to efficiently and fairly allocate resources. It consists of two allocation stages, dominant resource fair(DRF) allocation stage and max-min fairness(MMF) allocation stage. The proposed DMMF scheme exhibits desirable properties, including share incentive, strategy proofness, envy freeness and Pareto optimality. Meanwhile, DMMF can improve the allocation efficiency and reach 100% allocation efficiency.

关键词： dominant resource fair(DRF) max-min fair(MMF) network efficiency satellite network

Modeling of an Internal Stress and Strain Distribution of an Inverted Staggered Thin-Film Transistor Based on Two-Dimensional Mass-Spring-Damper Structure

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Computer Modeling in Engineering & Sciences 2020年第11期125卷 515-539页

作者： yi Yang Robert Nawrocki Richard Voyles haiyan h.Zhang School of Engineering Technology Purdue UniversityWest Lafayette47906USA

Equipped with a two-dimensional topological structure,a group of masses,springs and dampers can be demonstrated to model the internal dynamics of a thin-film transistor(TFT).In this paper,the two-dimensional Mass-Spring-Damper(MSD)representation of an inverted staggered TFT is proposed to explore the TFT’s internal stress/strain distributions,and the stress-induced effects on TFT’s electrical *** 2DMSD model is composed of a finite but massive number of interconnected cellular *** parameters,such as mass,stiffness,and damping ratios,of each cellular unit are approximated from constitutive equations of the compositematerials,while the electrical properties of the inverted staggered TFT are characterized by utilizing an electro-mechanical coupling relation derived from the quantum *** are often used in biomedical sensors/transducers attached to human skins,and,for the purpose of simulation and validation,the boundary conditions on the interface between the TFT and the human skin were modeled as a spatially distributed sinusoidal excitation with a frequency of 50 hz,assuming the TFT thickness is more than tens of *** fidelity of the 2D MSD structure in the modeling of an inverted staggered TFT is verified by comparing its simulated total displacement fieldwith that of a finite element analysis(FEA)*** advantages of the MSD model include a dramatic reduction in memory use by up to 60%and faster computation times that are up to 80%*** importantly,the MSD model is better suited than FEA to many problems in accurate tissue modeling for medical applications,for which FEA is becoming a *** work develops a novel modeling approach,which can be extended to other types of flexible thin film transistors.

关键词： Mass-spring-damper structure inverted staggered thin-film transistor electro-mechanical coupling relation quantum mechanics finite element analysis

Success of intravenous immunoglobulin and steroids in managing severe COVID-19 following lung transplantation:A case report

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World Journal of Transplantation 2025年第1期15卷 178-184页

作者： Yen-Shou Kuo Kuan-hsun lin ying-yi Chen Yuan-Ming Tsai Ti-hui Wu hsu-Kai huang Tsai-Wang huang Division of Thoracic Surgery Department of SurgeryTri-Service General HospitalNational Defense Medical CenterTaipei 114202Taiwan

BACKGROUND Coronavirus disease 2019(COVID-19)pneumonia with severe septic shock and acute respiratory distress syndrome(ARDS)are critical illnesses for patients following *** immunoglobulin(IVIG)plays a role in both immune support and inflammation control,especially in immunocompromised *** case report describes the first successful experience using IVIG and pulse steroids to manage this critical condition following lung *** SUMMARY A 65-year-old male patient reported a history of chronic obstructive pulmonary disease and poor lung function and received bilateral sequential lung ***,he developed COVID-19 pneumonia,severe septic shock,and *** recovered from this critical condition after empirical antibiotics administration and veno-venous extracorporeal membrane oxygenation,in addition to IVIG and pulse *** IVIG is a valuable adjunct in managing severe sepsis in lung transplant recipients after COVID-19 *** aim,for the first time,to report the success of such a management approach for COVID-19 ARDS and sepsis in the post-lung transplant *** further investigations,this is a starting point for wider analysis of such an approach in this setting and consequently helps guide clinical practice for such a challenging patient population moving forward.

关键词： COVID-19 Septic shock Intravenous immunoglobulin lung transplantation Post-transplant complications Case report

Characterization and Three-dimensional Structural Modeling of humic Acid via Molecular Mechanics and Molecular Dynamic Simulation

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Chemical Research in Chinese Universities 2013年第6期29卷 1180-1184页

作者： ZhAO Nan l(U) yi-zhong lI Guang-jun College of Resources and Environmental Sciences China Agricultural University Beijing 100193 P.R.China School of Chemistry and Environment Beijing University of Aeronautics and AstronauticsBeijing 100191 P.R.China

The humic acid（hA） sample obtained from the alluvial soil was characterized by elemental composition, pyrolysis gas chromatography-mass spectrometry（Py-GC-MS） and solid-state 13C nuclear magnetic resonance （13C NMR） spectroscopy. There is high fat content and a few nitrogen-containing functional groups in hA. Py-GC-MS demonstrates the characterization and structural identification of hA. One long list of identified pyrolysis products was proposed for the construction of conceptual model of hA. Solid-state 13C NMR data indicate there are higher values of alkyl-C, O-alkyl-C and aryl-C in hA. The elemental composition, structural carbon distribution and l3C NMR spectroscopy of simulated hA are consistent with those of experimental hA. hyperChem was used to simulate the three-dimensional molecular structure of the monomer, which was optimized by the molecular mechanics of the optimized potential for liquid simulations（OPlS） force field and molecular dynamics simulation to get the stable and balanced conformation. The deprotonation process study depicts that the degree of ionization of hA gets deeper, while the electronegativity of hA and the energy of van der Waals（vdW） increase. Moreover, the 3D structure of humic acid with -4 charges is the most stable. The deprotonation process is an endothermic process.

关键词： Alluvial soil humic acid Conceptual model Elemental analysis Pyrolysis gas chromatography-mass spectrometry(Py-GC-MS) 13C nuclear magnetic resonance(13C NMR) Molecular simulation Three-dimensional structure Optimized potential for liquid simulatio