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Enhancement of weathered crust elution-deposited rare earth ores leaching process with PQ-10 addition

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Journal of Rare Earths 2025年第1期43卷 180-190,I0007页

作者： Aoyang Sha Huifang Yang Zhengyan He Zhigao Xu Chenjie wu Ming wu Ru'an chi Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission&Hubei Key Laboratory of Catalysis and Materials ScienceCollege of Resources and Environmental ScienceSouth-Central Minzu UniversityWuhan430074China Key Laboratory for Green Chemical Process of Ministry of Education School of Resources&Safety EngineeringWuhan Institute of TechnologyWuhan 430073China

To solve the problems of the long development period,low mass transfer efficiency and high impurity conte nt in the in-situ leaching process of weathe red crust elution-deposited rare earth ores(WCE-DREO),cationic hydroxyethyl cellulose(PQ-10)was composited with conventional leaching agent ammonium sulfate((NH_(4))_(2)SO_(4))to form a novel composite leaching *** effects of PQ-10 concentration,leaching temperature and leaching flow rate of the composite leaching agent on the leaching kinetics and mass transfer processes of rare earth(RE)and aluminum(Al)were *** to the single leaching agent(NH_(4))_(2)SO_(4),the composite leaching agent(2 wt%(NH_(4))_(2)SO_(4)+0.02 wt%PQ-10)can reduce the RE leaching equilibrium time from 465 to 130 min and increase the RE leaching efficiency and decrease the Al leaching *** also facilitates the leaching process of WCE-DREO by increasing the peak concentrations of RE and Al,reducing the theoretical tower plate height(HETP)and improving the leaching mass transfer *** is indicated that PQ-10 can promote the leaching of *** leaching process of the composite leaching system conforms to the diffusion kinetic control *** the PQ-10 concentration is in the range of 0.005 wt%-0.020 wt%,the reaction orders of RE and Al are 0.73 and 0.54,respectively,which shows a positive effect on the leaching velocity;when the PQ-10 concentration is in the range of 0.030 wt%-0.060 wt%,the reaction orders of RE and Al are-1.16 and-0.75,respectively,which show a negative effect on the leaching *** the range of 10-50℃,the apparent activation energies of RE and Al are 15.02 and 17.31 kJ/mol,respectively,and the higher the leaching temperature,the smaller the HETP and the higher the leaching velocity and mass transfer *** increase in leaching flow rate contributes to the increase in the longitudinal diffusion velocity of the leaching agent within WCE-DREO,causing a shorter time for RE

关键词： Cationic hydroxyethyl cellulose Weathered crust elution-deposited rare earthores Leaching Novel compositeagent

Photolithographic Microfabrication of Microbatteries for On-chip Energy Storage

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Nano-Micro Letters 2025年第5期17卷 117-144页

作者： yuan Ma Sen Wang Zhong-Shuai wu State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023People’s Republic of China School of Transportation Engineering Dalian Jiaotong UniversityDalian 116028People’s Republic of China University of chinese Academy of Sciences Beijing 100049People’s Republic of China Dalian National Laboratory for Clean Energy Chinese Academy of SciencesDalian 116023People’s Republic of China

Microbatteries(MBs)are crucial to power miniaturized devices for the Internet of *** the evolutionary journey of MBs,fabrication technology emerges as the cornerstone,guiding the intricacies of their configuration designs,ensuring precision,and facilitating scalability for mass *** stands out as an ideal technology,leveraging its unparalleled resolution,exceptional design flexibility,and entrenched position within the mature semiconductor ***,comprehensive reviews on its application in MB development remain *** review aims to bridge that gap by thoroughly assessing the recent status and promising prospects of photolithographic microfabrication for ***,we delve into the fundamental principles and step-by-step procedures of photolithography,offering a nuanced understanding of its operational mechanisms and the criteria for photoresist ***,we highlighted the specific roles of photolithography in the fabrication of MBs,including its utilization as a template for creating miniaturized micropatterns,a protective layer during the etching process,a mold for soft lithography,a constituent of MB active component,and a sacrificial layer in the construction of micro-Swiss-roll ***,the review concludes with a summary of the key challenges and future perspectives of MBs fabricated by photolithography,providing comprehensive insights and sparking research inspiration in this field.

关键词： Microbatteries Photolithography Internet of Things Micropatterns On-chip energy storage

A high maneuvering motion strategy and stable control method for tandem twin-rotor aerial-aquatic vehicles near the water surface

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Defence Technology(防务技术) 2025年第2期44卷 206-220页

作者： Sifan wu Maosen Shao Sihuan wu Zhilin He Hui Wang Jinxiu Zhang yuan Liu School of Aeronautics and Astronautics Sun Yat-sen UniversityShenzhen518107China Southern Marine Science and Engineering Guangdong Laboratory Zhuhai519000China

The maneuverability and stealth of aerial-aquatic vehicles(AAVs)is of significant importance for future integrated air-sea combat *** improve the maneuverability and stealth of AAVs near the water surface,this paper proposed a high-maneuverability skipping motion strategy for the tandem twin-rotor AAV,inspired by the motion behavior of the flying fish to avoid aquatic and aerial predators near the water *** novel tandem twin-rotor AAV was employed as the research subject and a strategybased ADRC control method for validation,comparing it with a strategy-based PID control *** results indicate that both control methods enable the designed AAV to achieve high stealth and maneuverability near the water surface with robust control *** strategy-based ADRC control method exhibits a certain advantage in controlling height,pitch angle,and reducing impact *** motion strategy will offer an inspiring approach for the practical application of AAVs to some extent.

关键词： Tandem twin-rotor Aerial-aquatic vehicle High maneuvering motion strategy Active disturbance rejection controller Skipping on water surface

Advances in enhancing hydrodeoxygenation selectivity of lignin-derived oxygenates:From synthetic strategies to fundamental techniques

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Green Energy & Environment 2025年第2期10卷 292-321页

作者： Xinru wu Hongwei Zhang Cejun Hu Xiaojun Bao Pei yuan National Engineering Research Center of Chemical Fertilizer Catalyst College of Chemical EngineeringFuzhou UniversityFuzhou350002China College of Materials Science and Engineering Fuzhou UniversityFuzhou350108China Qingyuan Innovation Laboratory Quanzhou362801China

In recent years,studies focusing on the conversion of renewable lignin-derived oxygenates(LDOs)have emphasized their potential as alternatives to fossil-based ***,LDOs,existing as complex aromatic mixtures with diverse oxygen-containing functional groups,pose a challenge as they cannot be easily separated via distillation for direct utilization.A promising solution to this challenge lies in the efficient removal of oxygen-containing functional groups from LDOs through hydrodeoxygenation(HDO),aiming to yield biomass products with singular ***,the high dissociation energy of the carbon-oxygen bond,coupled with its similarity to the hydrogenation energy of the benzene ring,creates a competition between deoxygenation and benzene ring *** hydrogen consumption and lignin properties,the preference is directed towards generating aromatic hydrocarbons rather than saturated ***,the goal is to selectively remove oxygen-containing functional groups while preserving the benzene ring *** on LDOs conversion have indicated that the design of active components and optimization of reaction conditions play pivotal roles in achieving selective deoxygenation,but a summary of the correlation between these factors and the reaction mechanism is *** review addresses this gap in knowledge by firstly summarizing the various reaction pathways for HDO of *** explores the impact of catalyst design strategies,including morphology modulation,elemental doping,and surface modification,on the adsorption-desorption dynamics between reactants and ***,we delve into the application of advanced techniques such as spectroscopic techniques and computational modeling,aiding in uncovering the true active sites in HDO reactions and understanding the interaction of reactive reactants with catalyst ***,fundamental insights into selective deoxygenation obtained through these techniqu

关键词： Hydrodeoxygenation Lignin-derived oxygenates Targeted deoxidation Catalyst design Techniques and theoretical calculation

A single dose pharmacokinetic and pharmacodynamic study of MEDI3617 in cynomolgus monkeys

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A single dose pharmacokinetic and pharmacodynamic study of M...

A single dose pharmacokinetic and pharmacodynamic study of MEDI3617 in cynomolgus monkeys

作者： LIU Yong-zhen wu chi-yuan LU Hong YU Hong REN Jin Centre for Drug Safety Evaluation and Research Shanghai Institute of Materia Medica Medlmmune LLC.

OBJECTIVE MEDI3617 is a candidate pharmacological agent under development by *** study is designed to assess pharmacokinetic profiles and to fully characterize total and free angiopoietin-2(Ang2) responses after a single intravenous(Ⅳ) administration in cynomolgus *** Four male naive cynomolgus monkeys were assigned to this *** animals were given a single dose of 6 mg-kg"1 MEDI3617 via IV administration for approximately 30 *** recovery period was 56 *** samples were taken at different time points to assess expo sure of MEDI3617 and to fully characterize total and free Ang2 responses after a single IV *** Peak serum MEDI3617 concentration was attained generally at the first PK time point(1 h) post IV administration and declined biphasically *** observed mean values for maximum concentration was(213±38)mg·L~(-1),area under the serum concentration-time curve from time 0 to infinity was(1280±288) mg ? L~(-1)·d~(-1),clearance was(4.87±1.15) ml ? kg~(-1)? d~(-1),and half-life was(3.25±0.672)*** changes in free Ang2 levels were *** Ang2 concentrations were suppressed immediately after dosing(1 h) and quickly recovered back to baseline after approximately 12 *** Ang2 concentrations accumulated with a maximum accumulation of approximate 100 fold from baseline and recovered back to baseline after approximately 56 d after dosing.

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A single dose pharmacokinetic and pharmacodynamic study of M...

Graphene/F_(16)CuPc synaptic transistor for the emulation of multiplexed neurotransmission

2013年（第三届）中国药物毒理学年会暨药物非临床安全性评价研究论坛

作者： LIU Yong-zhen wu chi-yuan LU Hong YU Hong REN Jin Centre for Drug Safety Evaluation and Research Shanghai Institute of Materia Medica

OBJECTIVE MEDI3617 is a candidate pharmacological agent under development by *** study is designed to assess pharmacokinetic profiles and to fully characterize total and free angiopoietin-2(Ang2) responses after a single intravenous(Ⅳ) administration in cynomolgus *** Four male naive cynomolgus monkeys were assigned to this *** animals were given a single dose of 6 mg·kg MEDI3617 viaⅣadministration for approximately 30 *** recovery period was 56 *** samples were taken at different time points to assess exposure of MEDI3617 and to fully characterize total and free Ang2 responses after a single IV *** Peak serum MEDI3617 concentration was attained generally at the first PK time point(1 h) post IV administration and declined biphasically *** observed mean values for maximum concentration was(213±38)mg·L,area under the serum concentration-time curve from time 0 to infinity was(1280±288)mg·L·d,clearance was(4.87±1.15) ml·kg? d,and half-life was(3.25±0.672)*** changes in free Ang2 levels were *** Ang2 concentrations were suppressed immediately after dosing(1 h) and quickly recovered back to baseline after approximately 12 *** Ang2 concentrations accumulated with a maximum accumulation of approximate 100 fold from baseline and recovered back to baseline after approximately 56 d after dosing.

关键词： pharmacokinetic MEDI3617 pharmacodynamic

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Journal of Semiconductors 2025年第1期46卷 215-223页

作者： Zhipeng Xu Yao Ni Mingxin Sun Yiming yuan Ning wu Wentao Xu Institute of Photoelectronic Thin Film Devices and Technology Key Laboratory of Photoelectronic Thin Film Devices and Technology of TianjinCollege of Electronic Information and Optical EngineeringEngineering Research Center of Thin Film Photoelectronic Technology of Ministry of EducationNankai UniversityTianjin 300350China Shenzhen Research Institute of Nankai University Shenzhen 518000China Smart Sensing Interdisciplinary Science Center Nankai UniversityTianjin 300350China School of Integrated Circuits Guangdong University of TechnologyGuangzhou 510006China

We demonstrate a bipolar graphene/F_(16)CuPc synaptic transistor(GFST)with matched p-type and n-type bipolar properties,which emulates multiplexed neurotransmission of the release of two excitatory neurotransmitters in graphene and F_(16)CuPc channels,*** process facilitates fast-switching plasticity by altering charge carriers in the separated *** complementary neural network for image recognition of Fashion-MNIST dataset was constructed using the matched relative amplitude and plasticity properties of the GFST dominated by holes or electrons to improve the weight regulation and recognition accuracy,achieving a pattern recognition accuracy of 83.23%.These results provide new insights to the construction of future neuromorphic systems.

关键词： synaptic transistor dual excitatory channels fast-switching plasticity multiplexed neurotransmission

A single dose pharmacokinetic and pharmacodynamic study of MEDI3617 in cynomolgus monkeys

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中国药理学与毒理学杂志 2013年第3期 544-544页

作者： LIU Yong-zhen wu chi-yuan LU Hong YU Hong REN Jin Centre for Drug Safety Evaluation and Research Shanghai Institute of Materia Medica MedImmune LLC.HaywardCA 94545USA

OBJECTIVE MEDI3617 is a candidate pharmacological agent under development by *** study is designed to assess pharmacokinetic profiles and to fully characterize total and free angiopoietin-2(Ang2) responses after a single intravenous(IV) administration in cynomolgus *** Four male naive cynomolgus monkeys were assigned to this *** animals were given a single dose of 6 mg·kg-1 MEDI3617 via IV administration for approximately 30 *** recovery period was 56 *** samples were taken at different time points to assess exposure of MEDI3617 and to fully characterize total and free Ang2 responses after a single IV *** Peak serum MEDI3617 concentration was attained generally at the first PK time point(1 h) post IV administration and declined biphasically *** observed mean values for maximum concentration was(213 ± 38) mg·L-1,area under the serum concentration-time curve from time 0 to infinity was(1280 ± 288) mg·L-1.d-1,clearance was(4.87 ± 1.15) ***-1.d-1,and half-life was(3.25 ± 0.672) *** changes in free Ang2 levels were *** Ang2 concentrations were suppressed immediately after dosing(1 h) and quickly recovered back to baseline after approximately 12 *** Ang2 concentrations accumulated with a maximum accumulation of approximate 100 fold from baseline and recovered back to baseline after approximately 56 d after dosing.

关键词： pharmacokinetic MEDI3617 pharmacodynamic

Unlocking the potential of spatial transcriptomics with custom microfluidic chips

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Science china Life Sciences 2025年

作者： Bingqi wu yuan Gao china National Center for Bioinformation Beijing Institute of Genomics Chinese Academy of Sciences University of chinese Academy of Sciences

Spatial transcriptomics technique detects RNA sequences (St?hl et al.,2016) and quantifies their expression in the positional context (Ke et al.,2013),which can provide important information such as cell heterogeneity,cell developmental trajectory,differential gene expression between tissue regions or *** date,it is becoming a powerful tool for exploring tumorigenesis (Ren et al.,2023),cerebral neurodevelopment (Shi et al.,2023),embryonic development(Arutyunyan et al.,2023),and other biological ***-dimensional(3D) spatial transcriptome typically requires stacking multiple tissue slices to obtain a 3D atlas (Schott et al.,2024);therefore it prefers a method that meets high throughput,large sample sizes,and affordable cost to cover large regions of the ***,the lack of a single method that meets all of these requirements limits large-scale application of 3D spatial transcriptomics.

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