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Science China Chemistry 2025年第1期68卷 337-349页

作者： Meiyun Xu Song Gu Fulong Chen Zhe Zhao peng liu Daoben Hua State Key Laboratory of Radiation Medicine and Protection School of Radiological and Interdisciplinary Sciences (RAD-X) Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions Soochow University

The efficient separation of fission products,such as TcO4-and I-,holds strategic significance for the management of radioactive wastes and environmental *** this study,we propose an ultrafast strategy for scalable preparation of a highly quaternized organic network to facilitate efficient and synchronous separation of iodide and *** network can be prepared within a few minutes at room temperature,using polyethylenimine and 1,2,4,5-tetrakis（bromomethyl）benzene as building *** chlorine replacement,the network,abundantly decorated with quaternary ammonium groups （Cl@QPN）,exhibits an ultrahigh positive charge density of 7.6 mmol/*** enables the rapid and efficient enrichment of target anions through strong electrostatic Coulomb *** a result,Cl@QPN exhibits significantly higher adsorption rate constants of 0.830 g/（mg min） for ReO4-（a nonradioactive surrogate of TcO4-） and 0.677 g/（mg min） for I-compared to other ***,it possesses high adsorption capacities,reaching 1,681 mg/g for ReO4-and 917.4 mg/g for I-.Cl@QPN also demonstrates good selectivity towards target ions and shows efficient adsorption for99TcO4-.Additionally,Cl@QPN exhibits high dynamic processing capacities,handling up to 3,100 and 7,400 kg of simulated streams per kilogram of material for I-and ReO4-,respectively.

关键词： quaternized polymer networks adsorption pertechnetate iodide liquid radioactive streams

Preliminary Design of a System for Picking up Audio-Signals From Bubble Detectors GAO Si-ze1,NI Bang-fa,ZHANG Gui-ying,XIAO Cai-jin,liu Cun-xiong, CHEN Zhe1,NIE peng,liu Chao1,ZHAO Chang-jun (*** of Physics Science and Engineering Technology,Guang

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Preliminary Design of a System for Picking up Audio-Signals ...

Preparation of Modified Composite Nanofiltration Membrane Synergistically Using Carboxylic Multi- walled Carbon Nanotube and β-cyclodextrin

作者： GAO Si-ze NI Bang-fa ZHANG Gui-ying XIAO Cai-jin liu Cun-xiong CHEN Zhe NIE peng liu Chao ZHAO Chang-jun College of Physics Science and Engineering Technology Guangxi University

This system is designed to pick up sound signals from large volume,low-threshold energy, low-background superheated droplets bubble detectors.A sound-sensitive bubble detector is composed of a container filled with a mixture of superheated droplets and gel,a temperature and pressure control system,and an audio acquisition system attached on the outer surface of the *** superheated droplets are in a metastable and superheated state at ambient temperature and *** the outside

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 232-239页

作者： liu peng MAO Junpeng FANG Yanfeng YU Yunwu CHEN Changxiu TANG Ning WAN Ye GU Yaxin liu Yunxue WANG Lihua School of Materials Science and Engineering Shenyang Jianzhu UniversityShenyang 110168China

A new modified blend ultrafiltration(UF)membrane with good hydrophilicity,high porosity and excellent anti-fouling performance was developed by using carboxylic multi-walled carbon nanotube(CMWCNT)as casting solution ***,a composite nanofiltration(NF)membrane with large water flux and good retention rate was fabricated by using the PVDF/CMWCNT blend UF membrane as the substrate,and polyvinyl alcohol(PVA),β-cyclodextrin(β-CD)and polyethylenimine(PEI)as the coating *** results show that with the appropriate addition of CMWCNT in the casting solution,the surface roughness,porosity and recovery rate of the PVDF/CMWCNT blend UF membrane is obviously *** water flux of blend UF membrane is significantly improved when the CMWCNT content increases from 0 wt%to 0.2 wt%.The water flux of blend UF membrane with 0.2 wt%CMWCNT is 162.7 L/(m^(2)·h),which is 44.3%higher than that of the pure PVDF ***β-CD content is 0.8 wt%,the retention rate of Congo red by PVDF/CMWCNT/β-CD composite NF membrane reaches 98.7%,which is 28.3%higher than that of single PVA/PEI modified *** research will provide a new idea and simple method for developing novel high-performance composite NF membranes.

关键词： CMWCNT cyclodextrin nanofiltration membrane

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压电-光催化材料的研究进展

现代化工 2025年第1期45卷 24-28页

作者：张悦刘鹏霄张旭柳李雨洋刘宁中北大学环境与安全工程学院山西太原030051

基于压电光催化技术的发展背景总结了其工作原理;对几种不同的压电光催化材料进行了介绍,并综述了其在环境水处理、气体净化、能源析氢等领域的研究进展;阐明了压电-光催化材料面临的问题并对其未来发展提出了建议,为压电光催化材料的... 详细信息

基于压电光催化技术的发展背景总结了其工作原理;对几种不同的压电光催化材料进行了介绍,并综述了其在环境水处理、气体净化、能源析氢等领域的研究进展;阐明了压电-光催化材料面临的问题并对其未来发展提出了建议,为压电光催化材料的设计和深入研究提供参考。

关键词：压电光催化基本原理环境修复能源析氢

Synthesis strategies for disulfide bond-containing polymer- based drug delivery system for reduction-responsive controlled release

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Frontiers of Materials Science 2015年第3期9卷 211-226页

作者： Lei liu peng liu State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 China

Tumor micro-environment responsive drug delivery systems （DDSs） have been developed as a potential approach to reduce the side effects of cancer chemotherapy. Glutathione （GSH） has been supposed to the most significant signal of the difference between the normal tissue and the tumor cells, besides the media pH and temperature. In recent years, the reduction-responsive DDSs have attracted more and more attention for delivery of anti-cancer drugs, based on such physiological signal. Among them, disulfide bond-containing polymers have been designed as the main tool for the purpose. The recent progress in the synthesis strategies for the disulfide bond- containing polymer-based DDS is focused in the present review.

关键词： drug delivery system (DDS) reduction-responsive disulfide bond-containing polymer tumor micro-environment responsive

Particle motion simulation and pulverized coal injection combustion simulation of titanomagnetite pellets in rotary kiln for reduction process with coal

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Journal of Iron and Steel Research International 2022年第6期29卷 891-906页

作者： peng liu Bing-guo liu Li-bo Zhang Jin-hui peng State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization Kunming University of Science and TechnologyKunming 650093YunnanChina Yunnan Provincial Key Laboratory of Intensification Metallurgy Kunming 650093YunnanChina National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology Kunming 650093YunnanChina Faculty of Metallurgical and Energy Engineering Kunming University of Science and TechnologyKunming 650093YunnanChina

The production process of direct reduced iron from titanomagnetite by coal reduction in air in rotary kiln is a key step in the extraction of titanium and *** process is conducive to alleviating the stocking problem of a large amount of Tibearing blast furnace *** relationships between particle movement and pulverized coal injection combustion in rotary kiln were studied by the particle motion simulation and the pulverized coal injection combustion *** particle motion simulation,the repose angle of ore particles was calculated to be 28.06°,and the reaction zone was roughly determined by the reaction temperature isothermal surface and the repose angle;the axial discrete distribution of ore particles would further cause the axial energy fluctuation due to the endothermic nature of the *** pulverized coal injection combustion simulation,the rebound effect of coal injection under gravity would cause local overheating in the rebound region due to the benefits of heat and mass transfer processes,while this could strengthen the reduction reaction of ore particles and cause agglomerate by *** suggestions on weakening the energy fluctuation and agglomerate were proposed based on the characteristics of particle motion and external carbon reaction.

关键词： Titanomagnetite Rotary kiln Reaction zone Energy fluctuation Rebound effect

Position paper:GPT conjecture:understanding the trade‑offs between granularity,performance and timeliness in control‑flow integrity

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Cybersecurity 2021年第2期4卷 519-527页

作者： Zhilong Wang peng liu The Pennsylvania State University State CollegeUSA

Performance/security trade-off is widely noticed in CFI research,however,we observe that not every CFI scheme is subject to the *** by the key observation,we ask three questions:➊does trade-off really exist in different CFI schemes?➋if trade-off do exist,how do previous works comply with it?➌how can it inspire future research?Although the three questions probably cannot be directly answered,they are *** find that a deeper understanding of the nature of the trade-off will help answer the three ***,we proposed the GPT conjecture to pinpoint the trade-off in designing CFI schemes,which says that at most two out of three properties(fine granularity,acceptable performance,and preventive protection)could be achieved.

关键词： Conjecture Control-flow integrity Trade-off

Multiplicity of Homoclinic Solutions for Second Order Hamiltonian Systems with Local Conditions at the Origin

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Acta Mathematica Sinica,English Series 2022年第4期38卷 735-744页

作者： peng liu Fei GUO School of Mathematics Tianjin UniversityTianjin 300354P.R.China Tianjin Key Laboratory of Brain-Inspired Intelligence Technology Tianjin 300354P.R.China

In this paper,the multiplicity of homoclinic solutions for second order non-autonomous Hamiltonian systemsü(t)-L(t)u(t)+▽uW(t,u(t))=0 is obtained via a new Symmetric Mountain Pass Lemma established by Kajikiya,where L∈C(R,RN×N)is symmetric but non-periodic,W∈C1(R×RN,R)is locally even in u and only satisfies some growth conditions near u=0,which improves some previous results.

关键词： Second order non-autonomous Hamiltonian systems Homoclinic solutions multiplicity new symmetric mountain pass lemma

Multiplicity of Periodic Solutions for Second Order Hamiltonian Systems with Asymptotically Quadratic Conditions

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Acta Mathematica Sinica,English Series 2020年第1期36卷 55-65页

作者： peng liu Fei GUO School of Mathematics Tianjin University

A class of second order non-autonomous Hamiltonian systems with asymptotically quadratic conditions is considered in this *** Fountain Theorem,one multiplicity result of periodic solutions is obtained,which improves s... 详细信息

关键词： Second order Hamiltonian systems asymptotically quadratic conditions Fountain Theorem periodic solution multiplicity

ELECTROREDUCTION　OF　Zn^2＋　AND　Ni^2＋　AND　Cu^2＋　IN　UREA－CHLORIDES　MELT

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中国有色金属学会会刊：英文版 1996年第2期6卷 41-44,52页

作者： liu, peng Yang, Qiqin liu, Guankun Department of Chemistry Zhongshan University Guangzhou 510275 China

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关键词： urea-chlorides melt, electroreduction of Zn￣(2+), Ni￣(2+) and Cu￣(2+) diffusion coefficient transfer coefficient