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A new insight into the straw decomposition associated with minerals:Promoting straw humification and Cd immobilization

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Journal of Environmental Sciences 2025年第2期148卷 553-566页

作者： Yuling Liu Haowei Zeng Siduo Ding Zhong Hu Baiqing Tie Si Luo College of Environment and Ecology Hunan Agricultural UniversityChangsha 410128China School of Environment South China Normal UniversityGuangzhou 510006China

Organic matter(OM)derived from the decomposition of crop residues plays a key role as a sorbent for cadmium(Cd)*** studies have explored the straw decomposition processes with the presence of minerals,and the effect of newly generated organomineral complexes on heavy metal *** this study,we investigated the variations in structure and composition during the rice straw decomposition with or without minerals(goethite and kaolinite),as well as the adsorption behavior and mechanisms by which straw decomposition affects Cd *** degree of humification of extracted straw organic matter was assessed using excitation-emission matrix(EEM)fluorescence and Ultraviolet-visible spectroscopy(UV-vis),while employing FTIR spectroscopy and XPS to characterize the adsorption *** spectra analysis revealed the enrichment of highly aromatic and hydrophobic components,indicating that the degree of straw decomposition and humification were further intensified during ***,the existence of goethite(SG)accelerated the humification of *** experiments revealed that the straw humification increased Cd adsorption ***,SG exhibited significantly higher adsorption performance compared to the organic matter without minerals(RS)and the existence of kaolinite(SK).Further analysis using FT-IR spectroscopy and XPS verified that the primarymechanisms involved in Cd immobilization were complexion with—OH and—COOH,as well as the formation of Cd-πbinds with aromatic C=C on the surface of solid *** findings will facilitate understanding the interactions of the rice straw decomposing with soil minerals and its remediation effect on Cd-contaminated farmland.

关键词： Organic matter Cadmium(Cd) Decomposition Minerals Adsorption

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Quantum-secured LiDAR with Gaussian modulated coherent states

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SCIENTIFIC REPORTS 2024年第1期14卷 1-13页

作者： Wang, Dong Zhao, Juan-Ying Wang, Ya-Chao Zhou, Liang-Jiang Zhao, Yi-Bo Chinese Acad Sci Aerosp Informat Res Inst Natl Key Lab Microwave Imaging Beijing 100190 Peoples R China Zhejiang Univ Huzhou Inst Huzhou 313000 Peoples R China Zhejiang Univ Coll Control Sci & Engn Hangzhou 310027 Peoples R China

LiDAR systems that rely on classical signals are susceptible to intercept-and-recent spoofing attacks, where a target attempts to avoid detection. To address this vulnerability, we propose a quantum-secured LiDAR protocol that utilizes Gaussian modulated coherent states for both range determination and spoofing attack detection. By leveraging the Gaussian nature of the signals, the LiDAR system can accurately determine the range of the target through cross-correlation analysis. Additionally, by estimating the excess noise of the LiDAR system, the spoofing attack performed by the target can be detected, as it can introduce additional noise to the signals. We have developed a model for target ranging and security check, and conducted numerical simulations to evaluate the Receiver Operating Characteristic (ROC) of the LiDAR system. The results indicate that an intercept-and-recent spoofing attack can be detected with a high probability at a low false-alarm rate. Furthermore, the proposed method can be implemented using currently available technology, highlighting its feasibility and practicality in real-world applications.

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Cell type-specific proteomics uncovers a RAF15-SnRK2.6/OST1 kinase cascade in guard cells

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Journal of Integrative Plant Biology 2023年第9期65卷 2122-2137页

作者： Hongliang Wang Yubei Wang Tian Sang Zhen Lin Rongxia Li Weiwei Ren Xin Shen Bing Zhao Xiao Wang Xuebin Zhang Shaoqun Zhou Shaojun Dai Honghong Hu Chun-Peng Song Pengcheng Wang Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 200032China University of Chinese Academy of Sciences Beijing 100049China Institute of Advanced Biotechnology and School of Life Sciences Southern University of Science and TechnologyShenzhen 518055China Shanghai Bioprofile Technology Company Ltd Shanghai 200241China Center of Plant Germplasm Resources College of Life SciencesShanghai Normal UniversityShanghai 200234China National Key Laboratory of Crop Genetic Improvement College of Life Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China State Key Laboratory of Crop Stress Adaptation and Improvement College of Life SciencesCollege of AgricultureAcademy for Advanced Interdisciplinary StudiesHenan UniversityKaifeng 475004China Shenzhen Branch Guangdong Laboratory of Lingnan Modern AgricultureKey Laboratory of Synthetic BiologyMinistry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120China

Multicellular organisms such as plants contain various cell types with specialized *** the characteristics of each cell type reveals specific cell functions and enhances our understanding of organization and function at the organismal *** cells(GCs)are specialized epidermal cells that regulate the movement of the stomata and gaseous exchange,and provide a model genetic system for analyzing cell fate,signaling,and *** proteomics analyses of GC are available,but these are limited in *** we used enzymatic isolation and flow cytometry to enrich GC and mesophyll cell protoplasts and perform in-depth proteomics in these two major cell types in Arabidopsis *** identified approximately 3,000 proteins not previously found in the GC proteome and more than600 proteins that may be specific to *** depth of our proteomics enabled us to uncover a guard cell-specific kinase cascade whereby Raf15and Snf1-related kinase2.6(SnRK2.6)/OST1(open stomata 1)mediate abscisic acid(ABA)-induced stomatal ***15 directly phosphorylated SnRK2.6/OST1 at the conserved Ser175 residue in its activation loop and was sufficient to reactivate the inactive form of SnRK2.6/*** SnRK2.6/OST1 activation and stomatal closure was impaired in raf15 *** also showed enrichment of enzymes and flavone metabolism in GC,and consistent,dramatic accumulation of flavone *** study answers the long-standing question of how ABA activates SnRK2.6/OST1 in GCs and represents a resource potentially providing further insights into the molecular basis of GC and mesophyll cell development,metabolism,structure,and function.

关键词： abscisic acid guard cell metabolomics phosphorylation proteomics signaling

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O-doping strategy enabling enhanced chemical/electrochemical stability of Li_(3)InCl_(6) for superior solid-state battery performance

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Journal of Energy Chemistry 2024年第12期99卷 484-494页

作者： Qiyue Luo Chen Liu Lin Li Ziling Jiang Jie Yang Shaoqing Chen Xia Chen Long Zhang Shijie Cheng Chuang Yu State Key Laboratory of Advanced Electromagnetic Technology School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan 430074HubeiChina School of Chemistry and Chemical Engineering Huazhong University of Science and TechnologyWuhan 430074HubeiChina College of Energy Soochow Institute for Energy and Materials InnovationsJiangsu Provincial Key Laboratory for Advanced Carbon Materials and Wearable Energy TechnologiesSoochow UniversitySuzhou 215006JiangsuChina College of Physics and Energy Fujian Normal UniversityFuzhou 350117FujianChina

Solid-state electrolytes with high oxidation stability are crucial for achieving high power density allsolid-state lithium *** electrolytes are promising candidates due to their outstanding compatibility with cathode materials and high Li^(+)***,the electrochemical stability of chloride electrolytes is still limited,leaving them unsuitable for ultrahigh voltage ***,chemical compatibility issue between sulfide and halide electrolytes affects the electrochemical performance of all-solid-state ***,Li-ion conductor Li_(3+x)InCl_(6-x)O_(x) is designed to address these ***_(3.25)InCl_(5.75)O_(0.25)shows a Li-ion conductivity of 0.90 mS cm^(-1)at room temperature,a high onset oxidation voltage of 3.84 V,fewer by-products at ultrahigh operation voltage,and good chemical compatibility with Li_(5.5)PS_(4.5)Cl_(1.5).The Li_(3.25)InCl_(5.75)O_(0.25)@LiNi_(0.7)Co_(0.1)Mn_(0.2)O_(2)-Li_(3.25)InCl_(5.75)O_(0.25)-VGCF/Li_(3.25)InCl_(5.75)O_(0.25)/Li_(5.5)PS_(4.5)Cl_(1.5)/Li-In battery delivers good electrochemical performances at high operating *** work provides a simple,economical,and effective strategy for designing high-voltage all-solid-state electrolytes.

关键词： Li_(3)InCl_(6) O doping Wide electrochemical window Chemical stability Interfacial stability Superior electrochemical performance

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Radar-Based Human Activity Recognition Using Time-Weighted Network Based on Strip Pooling

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IEEE INTERNET OF THINGS JOURNAL 2025年第6期12卷 6633-6645页

作者： Ai, Wentao Xu, Hongji Li, Jianjun Li, Xiaoman Li, Xinya Li, Yiran Li, Shijie Xu, Zhikai Yu, Yonghui Shandong Univ Sch Informat Sci & Engn Qingdao 266237 Peoples R China

Due to the flourishing of Internet of Things (IoT) technology, radar-based human activity recognition (HAR) technology has made significant progress and has become an indispensable research area. Many radar systems use multiple feature maps and handle them directly in image format. However, the generation of multiple forms of feature maps requires heavy computational resources, which makes it impractical for real-world applications. Additionally, many networks fail to fully extract temporal information from the time-Doppler (TD) map during the feature extraction. Therefore, a time-weighted network based on strip pooling (TWN-SP) using the TD map is proposed in this article. The TWN-SP consists of two time-weighted modules based on fire (TWMs-F) and a feature fusion module based on temporal and channel attention (FFM-TCA). Due to the application of depthwise separable convolution (DSC) and placing the feature fusion step at the forefront, the proposed network has fewer parameters. Moreover, a radar dataset named RadSet is constructed, containing TD maps of six daily activities. To validate the performance of the TWN-SP, a ten-fold cross-validation (CV) on the public dataset named Radar848 and a leave-one-subject-out (LOSO) CV on the RadSet dataset are carried out, respectively. To further validate the generalization performance of TWN-SP, a comparative analysis was conducted on another public dataset, Ci4R. The TWN-SP achieves an accuracy of 99.28% on the RadSet dataset. Experimental results indicate that the TWN-SP surpasses the current leading networks in both performance and complexity.

关键词： Feature extraction Human activity recognition Radar Data mining Internet of Things Classification algorithms Radar antennas Doppler effect Convolutional neural networks Convolution Deep learning (DL) frequency-modulated continuous wave (FMCW) radar human activity recognition (HAR) micro-Doppler (mD) signatures

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An organic solvent-free self-assembly strategy for scalable preparation of nanobiopesticides with enhanced insecticidal activity against houseflies

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NANOSCALE 2025年第15期17卷 9363-9373页

作者： Chen, Huiping Yang, Zhifei Yin, Qing Shangguan, Wenjie Cao, Chong Huang, Qiliang Cao, Lidong Chinese Acad Agr Sci State Key Lab Biol Plant Dis & Insect Pests Inst Plant Protect Beijing 100193 Peoples R China Tianjin Yorkool Sci & Technol Co Ltd Tianjin 300392 Peoples R China

The abuse of toxic organic solvents has caused great harm to human health and the environment. Therefore, developing an environmentally friendly nano-based pesticide formulation without using harmful solvents is urgent to improve the efficacy of pesticides and minimize environmental and health risks. Herein, by combining aspartic acid (Asp) with spinosad (SSD) as an attractive building unit, a self-assembly and carrier-minimized strategy was applied to construct a nanobiopesticide (Asp-SSD) simultaneously. To further improve the storage stability of the formulation, the biogenic surfactant alkyl polyglucoside (APG) was subsequently added to afford a more stable and smaller nano-delivery system (Asp-SSD-APG). Bioactivity assays showed that Asp-SSD-APG exhibited good quick-acting performance against Musca domestica in the spray assay, and the insecticidal activities of Asp-SSD and Asp-SSD-APG were better than that of the SSD nano-suspension concentrate (Nano-SC). Compared to CK, Asp-SSD-APG reduced the activity of GST, SOD, and CAT in M. domestica, which contributed to the enhanced insecticidal effect of SSD. The cell viability evaluation in 4T1 cells showed that Asp-SSD-APG posed a low risk to the mammalian cells. This study provides an alternative approach for developing environmentally benign nanobiopesticides with a self-assembly and carrier-minimized strategy, which has the potential to improve the efficacy and safety of pesticides in the public health field.

关键词： Nanoclay

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Achieving oxidation protection effect for strips hot rolling via Al_(2)O_(3) nanofluid lubrication

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International Journal of Minerals,Metallurgy and Materials 2023年第5期30卷 908-916页

作者： Jianlin Sun Boyuan Huang Jiaqi He Erchao Meng Qianhao Chang School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083China

It was discovered the application of Al_(2)O_(3) nanofluid as lubricant for steel hot rolling could synchronously achieve oxidation protection of strips *** underlying mechanism was investigated through hot rolling tests and molecular dynamics (MD) *** employment of Al_(2)O_(3) nanoparticles contributed to significant enhancement in the lubrication performance of *** rolled strip exhibited the best surface topography that the roughness reached lowest with the sparsest surface ***,the oxide scale generated on steel surface was also thinner,and the ratio of Fe_(2)O_(3) among various iron oxides became *** was revealed the above oxidation protection effect of Al_(2)O_(3) nanofluid was attributed to the deposition of nanoparticles on metal surface during hot rolling.A protective layer in the thickness of about 193 nm was formed to prevent the direct contact between steel matrix and atmosphere,which was mainly composed of Al_(2)O_(3) and sintered organic *** simulations confirmed the diffusion of O_(2) and H_(2)O could be blocked by the Al_(2)O_(3) layer through physical absorption and penetration barrier effect.

关键词： hot rolling nanofluid lubricant oxidation protection molecular dynamics

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A poromechanical framework for hydraulic fracturing processes in transversely isotropic rocks

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ACTA GEOTECHNICA 2025年第5期20卷 2049-2073页

作者： Yuan, Weihong Zhao, Yang Zhang, Bingyin Tsinghua Univ Dept Hydraul Engn State Key Lab Hydrosci & Engn Beijing 100084 Peoples R China

We present a poromechanical framework for hydraulic fracturing processes in transversely isotropic rocks. We derive the conservation laws and effective stress formulation for the coupled solid deformation, damage evolution, and fluid flow processes in porous rocks based on the mixture theory and continuum thermodynamics. For the modeling of hydraulic fracture propagation in transversely isotropic rocks, a recently developed double-phase-field model is adopted that considers fracture initiation through the rock matrix and along the weak bedding planes. The finite element framework for the coupled processes is introduced in detail as a u-p-d\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$u-p-d$$\end{document} formulation, and the staggered numerical solution scheme is adopted that updates the displacement and pore pressure fields first and then the phase-field variables. We then conduct element-level simulations to verify the proposed framework. Lastly, we investigate the hydraulic fracturing processes for both isotropic and transversely isotropic rocks. The impact of bedding plane orientations, strength ratios between the rock matrix and bedding planes, strength anisotropy levels of the rock matrix, and tectonic stress conditions on the initiation and propagation of hydraulic fractures in transversely isotropic rocks are studied.

关键词： Hydraulic fracturing Phase-field model Poromechanics Tensile fracture Transversely isotropic rocks

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A compact self-powered inductor-less piezoelectric energy harvesting circuit using gyrator

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SMART MATERIALS AND STRUCTURES 2024年第6期33卷 065013-065013页

作者： Younas, Osama Li, Ping Wen, Yumei Shanghai Jiao Tong Univ Instrument Sci & Engn Dept Shanghai Peoples R China

In traditional low-frequency energy harvesting circuits, a large matched inductor with a large size is unavoidable. To reduce the size of the circuit, this paper proposes a compact self-powered inductor-less high-efficiency piezoelectric energy harvesting circuit using a low-power-consumption gyrator. A self-powered floating gyrator inductor is used in place of an inductor in the proposed circuit, and the required phasor response is acquired by using its voltage-current (V-I) relationship. The proposed circuit offers easy adjustability and performance benefits in small integrated circuits packages. The proposed circuit can be cost-effective and provide reduced area advantages in autonomous self-powered Internet-of-Things and wireless sensor nodes applications. Regarding harvested energy, the proposed circuit with a storage capacitor of 0.24 F can obtain 320% improved performance than standard energy harvesting along with the lowest power consumption of 0.25 mu W in self-powered operation. The proposed technique can also be applied to similar piezoelectric energy harvesting strategies with large inductors.

关键词： piezoelectric energy harvesting control signal generator gyrator

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Multivacant polyoxometalate-stabilizing palladium nanoparticles catalyze the N-formylation of amines with CO2 and H2

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NEW JOURNAL OF CHEMISTRY 2024年第24期48卷 11014-11024页

作者： Lai, Wenkai Jiang, Yongjun Liao, Huiying Wei, Xinjia Xu, Zhiwei Ding, Ji An, Ning Dai, Sheng Hou, Zhenshan East China Univ Sci & Technol Res Inst Ind Catalysis Sch Chem & Mol Engn State Key Lab Green Chem Engn & Ind Catalysis Shanghai 200237 Peoples R China East China Univ Sci & Technol Inst Fine Chem Sch Chem & Mol Engn Key Lab Adv Mat Shanghai 200237 Peoples R China East China Univ Sci & Technol Inst Fine Chem Feringa Nobel Prize Scientist Joint Res Ctr Sch Chem & Mol Engn Shanghai 200237 Peoples R China

In this work, the Keggin-type tri- and mono-palladium-substituted silicotungstates (POMs) were constructed by the reaction of tri- and monovacant silicotungstates ([SiW9O34](10-) or [SiW11O39](8-)) with palladium chloride. The as-obtained potassium salts of POMs demonstrated that Pd2+ ions were incorporated into POM frameworks. Notably, Pd nanoparticles were formed when the tri-palladium-substituted Keggin-type POM salts were reduced by H-2. It was found that [SiW9O34](10-) anions could act as multivacant coordination ligands to effectively stabilize palladium nanoparticles. The Pd nanoparticles were catalytically active for the reductive amination of carbon dioxide, and the formylamides were achieved in high yields under mild reaction conditions with methanol as the solvent. Notably, the Pd nanocatalyst exhibited outstanding recyclability and was recycled at least eight times without any obvious loss of the catalytic activity. The characterization by HAADF-STEM revealed that Pd nanoparticles formed a stable structure with POMs. Further studies demonstrated that the N-formylation reaction proceeds by the "methyl formate" pathway, involving CO2 activation by an in situ reaction with methanol and K2CO3 to generate potassium methyl carbonate. H-2 underwent heterolytic dissociation with the assistance of a base over a Pd-0-SiW9 catalyst, leading to one proton bound to carbonates and the hydride on a Pd atom (Pd-H). Moreover, the coupling of potassium methyl carbonate and Pd-H species afforded methyl formate intermediates in methanol, and then the reaction of methyl formate with amines gave formamides. This catalytic system demonstrated the benefits of excellent reactivity, stability, and recyclability for the N-formylation reaction.

关键词： Methanol

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