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Chinese Journal of Polymer Science 2024年第6期42卷 775-786页

作者： Shuang-cheng Li Wei-Jia Zhou Wen-Jie Wu Jun Shao Shui-Liang chen Hao-Qing hou Sheng Xiang College of Chemistry&Chemical Engineering and Nanofiber Engineering Center of Jiangxi Province Jiangxi Normal UniversityNanchang330022China National Engineering Research Center for Carbohydrate Synthesis/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education Jiangxi Normal UniversityNanchang330022China Wenzhou Institute University of Chinese Academy of SciencesWenzhou325001China

For a polymer/polymer dismissible blend with two crystallizable components,the crystallization behavior of different components and the reciprocal influences between different crystals are interesting and important,but did not investigate in *** this study,the L-poly(lactic acid)/polypropylene(PLLA/PP)blends with different weight ratios were prepared by melt mixing and the crystallization behavior of the blends were *** showed that the crystalline structures of PLLA and PP were not altered by the *** the crystallization of PLLA,both the diffusion of chain segments and crystallization rate were enhanced under the existence of PP *** the crystallization of PP,its crystallization rate was depressed under the existence of amorphous PLLA molecular *** the PP crystallized from the existence of PLLA crystals,although the diffusion rate of PP was reduced by PLLA crystals,the nucleation positions were obviously enhanced,which accelerated the formation of PP *** investigation would supply more basic data for the application of PLLA/PP blend.

关键词： L-poly(lactic acid) Polypropylene Blends Crystalization behavior Crystallization acceleration

Advanced cellulose-based materials toward stabilizing zinc anodes

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Science China Chemistry 2024年第5期67卷 1465-1484页

作者： Zhijiang Li Xiang chen Rui Zhang Taoyi Shen Jianchao Sun Zhongce Hu Lin Li Lanlan Yang hou-Yong Yu College of Textile Science and Engineering(International Institute of Silk) Zhejiang Sci-Tech UniversityHangzhou 310018China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Donghua UniversityShanghai 201620China School of Environment and Material Engineering Yantai UniversityYantai 264005China Institute for Carbon Neutralization College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325035China

Rechargeable aqueous zinc metal batteries(RAZMBs) have received extensive attention for large-scale energy storage systems due to the merits of Zn anodes, including moderate volumetric and gravimetric energy density, low redox potential, abundant reserve, low cost and impressive intrinsic safety. However, Zn anodes suffer from a series of adverse reactions(dendrite growth,hydrogen evolution, and surface passivation) resulting in low Coulombic efficiency, large polarization, and unsatisfied cycling performance, which inevitably hinder the wide application of RAZMBs. To address the above issues, cellulose-based materials are widely used for Zn anode protection because of their unique physical and chemical properties and other advantages such as biocompatibility, non-toxicity, degradability and easy extraction. In order to better understand the current progress in cellulosebased materials for the Zn anode protection, we have classified and summarized the relevant literatures. In this review, we summarize and elaborate the causes of poor reversibility for Zn anodes, including dendrite formation, hydrogen evolution, and surface passivation. Subsequently, the effective strategies(anode interfacial engineering, gel electrolyte optimization, and separator modification) of cellulose-based materials toward stabilizing Zn anodes are overviewed. In the end, the existing challenges and prospects of cellulose-based materials in Zn anode protection are summarized to shed light on future work.

关键词： Zn anode cellulose anode interfacial engineering gel electrolyte optimization separator modification

Enhancing Li-S battery performance via functional polymer binders for polysulfide inhibition

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Journal of Energy Chemistry 2024年第10期97卷 228-236,I0005页

作者： Jinpeng Jian Qian chen Hao Sun Rui Li Yaolin hou Yulong Liu Jia Liu Haiming Xie Jiefang Zhu Nation&Local United Engineering Laboratory for Power Batteries Faculty of ChemistryNortheast Normal UniversityChangchun 130024JjilinChina Jilin Province Dongchi New Energy Technology Co. Ltd.Changchun 13000oJilinChina Department of Chemistry-Angstrom Laboratory Uppsala UniversitySE-75121Sweden

The commercialization of lithium-sulfur(Li-S)batteries faces several challenges,including poor conductivity,unexpected volume expansion,and continuous sulfur loss from the cathode due to redox *** this study,we introduce a novel polymer via a simple cross-linking between poly(ether-thioureas)(PETU)and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)(PEDOT:PSS)as a bifunctio nal binder for Li-S batteries(devotes as"PPTU").Compared to polyvinylidene fluoride(PVDF),as-prepared PPTU exhibits significantly higher electrical conductivity,facilitating electrochemical ***,PPTU demonstrates effective adsorption of lithium polysulfides,leading to improved cycling stability by suppressing the shuttling *** investigate this behavior by monitoring morphological changes at the cell interface using synchrotron X-ray *** with PPTU binders exhibit remarkable rate performance,desired reversibility,and excellent cycling stability even under stringent bending and twisting *** work represents promising progress in functional polymer binder development for Li-S batteries.

关键词： Li-S batteries Bifunctional binders Electrode conductivity Shuttle effect

Dynamic failure process of expanded polystyrene particle lightweight soil under cyclic loading using discrete element method

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Earthquake Engineering and Engineering Vibration 2024年第4期23卷 815-828页

作者： Zhou Wei hou Tianshun chen Ye Wang Qi Luo Yasheng Zhang Yafei College of Water Resources and Architectural Engineering Northwest A&F UniversityXianyang 712100China Xi’an Key Laboratory of Geotechnical and Underground Engineering Xi’an University of Science and TechnologyXi’an 710054China Hanjiang to Weihe River Valley Water Diversion Project Construction Co. Ltd.Xi’an 710011China

Expanded polystyrene(EPS)particle-based lightweight soil,which is a type of lightweight filler,is mainly used in road *** stability of subgrades under dynamic loading is attracting increased research *** traditional method for studying the dynamic strength characteristics of soils is dynamic triaxial testing,and the discrete element simulation of lightweight soils under cyclic load has rarely been *** study the meso-mechanisms of the dynamic failure processes of EPS particle lightweight soils,a discrete element numerical model is established using the particle flow code(PFC)*** contact force,displacement field,and velocity field of lightweight soil under different cumulative compressive strains are *** results show that the hysteresis curves of lightweight soil present characteristics of strain accumulation,which reflect the cyclic effects of the dynamic *** the confining pressure increases,the contact force of the particles also *** confining pressure can restrain the motion of the particle system and increase the dynamic strength of the *** the confining pressure is held constant,an increase in compressive strain causes minimal change in the contact force between soil ***,the contact force between the EPS particles decreases,and their displacement direction points vertically toward the center of the *** an increase in compressive strain,the velocity direction of the particle system changes from a random distribution and points vertically toward the center of the *** the compressive strain is 5%,the number of particles deflected in the particle velocity direction increases significantly,and the cumulative rate of deformation in the lightweight soil ***,it is feasible to use 5%compressive strain as the dynamic strength standard for lightweight *** element methods provide a new approach toward the dynamic performance evaluation of lightw

关键词： lightweight soil cyclic loading dynamic triaxial test discrete element method hysteresis curve

Herbivore and native plant diversity synergistically resist alien plant invasion regardless of nutrient conditions

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Plant Diversity 2024年第5期46卷 640-647页

作者： Liping Shan Meng hou Key Laboratory of Wetland Ecology and Environment State Key Laboratory of Black Soils Conservation and UtilizationNortheast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102China

Alien plant invasion success can be inhibited by two key biotic factors:native herbivores and plant ***,few studies have experimentally tested whether these factors interact to synergistically resist invasion success,especially factoring in changing global environments(*** enrichment).Here we tested how the synergy between native herbivores and plant diversity affects alien plant invasion success in various nutrient *** this purpose,we exposed alien plant species in potmesocosms to different levels of native plant diversity(4 vs.8 species),native generalist herbivores,and high and low soil nutrient *** found that generalist herbivores preferred alien plants to native plants,inhibiting invasion success in a native *** inhibition was amplified by highly diverse native ***,the amplified effect between herbivory and native plant diversity was independent of nutrient *** results suggest that a higher diversity of native communities can strengthen the resistance of native generalist herbivores to alien plant invasions by enhancing herbivory *** synergistic effect remains in force in nutrient-enriched habitats that are always invaded by alien plant *** results shed light on the effective control of plant invasions using multi-trophic means,even in the face of future global changes.

关键词： Biological invasion Biotic resistance Diversity conservation Plant-herbivore interactions Resource availability Global change

A simple and efficient in planta transformation method based on the active regeneration capacity of plants

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Plant Communications 2024年第4期5卷 166-176页

作者： Guoguo Mei Ao chen Yaru Wang Shuquan Li Minyi Wu Yilong Hu Xu Liu Xingliang hou Guangdong Provincial Key Laboratory of Applied Botany&State Key Laboratory of Plant Diversity and Specialty Crops South China Botanical GardenChinese Academy of SciencesGuangzhou 510650China University of Chinese Academy of Sciences Beijing 100049China These authors contributed equally to this article.

Plant genetic transformation strategies serve as essential tools for the genetic engineering and advanced molecular breeding of ***,the complicated operational protocols and low efficiency of cur-rent transformation strategies restrict the genetic modification of most plant *** paper de-scribes the development of the regenerative activity–dependent in planta injection delivery(RAPID)method based on the active regeneration capacity of *** this method,Agrobacterium tumefaciens is delivered to plant meristems via injection to induce transfected nascent *** transgenic plants can be obtained by subsequent vegetative propagation of the positive nascent *** method was successfully used for transformation of plants with strong regeneration capacity,including different genotypes of sweet potato(Ipomoea batatas),potato(Solanum tuberosum),and bayhops(Ipo-moea pes-caprae).Compared with traditional transformation methods,RAPID has a much higher trans-formation efficiency and shorter duration,and it does not require tissue culture *** RAPID method therefore overcomes the limitations of traditional methods to enable rapid in planta transformation and can be potentially applied to a wide range of plant species that are capable of active regeneration.

关键词： plant genetic transformation RAPID active regeneration sweet potato potato bayhops

Integral Operators Between Fock Spaces

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Chinese Annals of Mathematics,Series B 2024年第2期45卷 265-278页

作者： Yongqing LIU Shengzhao hou School of Mathematics and Statistics Changshu Institute of TechnologySuzhou 215006JiangsuChina School of Mathematical Sciences Soochow UniversitySuzhou 215006JiangsuChina

In this paper,the authors study the integral operator■induced by a kernel functionφ(z,·)∈F_α~∞between Fock *** 1≤p≤∞,they prove that S_φ:F_α^(1)→F_α^(p)is bounded if and only if■where k_(a)is the normali... 详细信息

关键词： Fock spaces Integral operators Normalized reproducing kernel

Spray pyrolysis-derived W-doped MoSe_(2)/rGO paper-like microspheres:optimization of microstructure and mesostructure for enhanced lithium storage

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Rare Metals 2024年第7期43卷 3019-3031页

作者： Wei Wang Jun-Yu chen Jie Ouyang Hong Yin Ao-Jie Li Liang chen Jun-Lin Huang Yu-Can Zhu Gang-Yong Li Zhao-Hui hou Key Laboratory of Hunan Province for Advanced Carbon-based Functional Materials Hunan Institute of Science and TechnologyYueyang 414006China School of Chemistry and Chemical Engineering Hunan Institute of Science and TechnologyYueyang414006China Hunan Province Key Laboratory of Materials Surface&Interface Science and Technology Material Science and Engineering SchoolCentral South University of Forestry and TechnologyChangsha 410004China International Iberian Nanotechnology Laboratory(INL) AvMestre Jose Veiga4715-330 BragaPortuga

Two-dimensional MoSe_(2) is a promising candidate for lithium-ion battery ***,its conductivity and lithium storage volumetric effect still need to be *** this work,W-doped MoSe_(2)/rGO paper-like microspheres are successfully prepared through ultrasonic spray pyrolysis,achieving optimization at both the microstructure and mesostructure to enhance the lithium storage performance of the ***,by utilizing the similar two-dimensional structure between MoSe_(2) and rGO,self-assembly is achieved through spray pyrolysis,resulting in a well-defined van der Waals heterostructure at the interface on the microscale,enhancing the electron and ion transfer capability of the ***,the mesoscale paper-like microsphere morphology provides additional volume expansion buffering ***,W-doping not only increases the interlayer spacing of MoSe_(2)(0.73 nm),thereby reducing the diffusion resistance of Li+,but also allow for the modulation of the energy band structure of the *** functional theory(DFT)calculations confirm that W-doped MoSe_(2)/rGO exhibits the narrowest bandgap(0.892 eV).Therefore,the composite demonstrates excellent lithium storage performance,maintaining a specific capacity of 732.9 mAh·g^(-1)after 300 cycles at a current density of 1 A·g^(-1).

关键词： Molybdenum selenide Heterostructure Microspheres Li-ion batteries Kinetics

MAL2 DNA methylation serves as a biomarker for the diagnosis and prognosis of glioma

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Genes & Diseases 2024年第5期11卷 36-39页

作者： Hao Luo Xing Xiao Weiliang hou Jing Cai Ming chen Qisheng Tang Yusheng Tong Zengxin Qi Kaicheng Li Liang chen Department of Neurosurgery Huashan HospitalShanghai Medical CollegeState Key Laboratory of Medical NeurobiologyMOE Frontiers Center for Brain Science and Institutes of Brain ScienceFudan UniversityShanghai 200040China National Center for Neurological Disorders Shanghai 200040China Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration Shanghai 200040China Tianqiao and Chrissy chen Institute Clinical Translational Research Center Shanghai 200040China Shanghai QuietD Biotechnology Co. Ltd.Shanghai 201210China

Glioma is a common and malignant brain tumor,and molecular diagnostics for glioma have received increasing attention.1,2 Previous studies have suggested that the MAL2 gene may be involved in the transcytosis of various cancers.3 This study aimed to investigate the potential of MAL2 as a biomarker for *** candidate MAL2 CpG sites were validated by pyrosequencing and used to construct a diagnostic model for *** analysis was also conducted to determine the relationship between highly methylated MAL2-specific CpG sites and the prognosis of *** findings also showed that MAL2 was more highly methylated in glioma than in other *** constructed diagnostic model can distinguish glioma from other cancers with high sensitivity(93.3%)and specificity(86.5%).Additionally,a risk score model was built based on MAL2 methylation to assess the prognosis of glioma。

关键词： glioma diagnosis MAL

Fractures interaction and propagation mechanism of multi-cluster fracturing on laminated shale oil reservoir

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Petroleum Science 2024年第4期21卷 2600-2613页

作者： Jia-Xin Lv Bing hou Key Laboratory of Petroleum Engineering Ministry of Education China University of Petroleum (Beijing) State Key Laboratory of Petroleum Resources and Engineering China University of Petroleum (Beijing) Department of Petroleum Engineering China University of Petroleum (Beijing) at Karamay

The continental shale reservoirs of Jurassic Lianggaoshan Formation in Sichuan Basin contain thin lamina, which is characterized by strong plasticity and developed longitudinal shell limestone *** improve the production efficiency of reservoirs by multi-cluster fracturing, it is necessary to consider the unbalanced propagation of hydraulic fractures and the penetration effect of fractures. This paper constructed a numerical model of multi-fracture propagation and penetration based on the finite element coupling cohesive zone method; considering the construction cluster spacing, pump rate,lamina strength and other parameters studied the influencing factors of multi-cluster fracture interaction propagation; combined with AE energy data and fracture mode reconstruction method, quantitatively characterized the comprehensive impact of the strength of thin interlayer rock interfaces on the initiation and propagation of fractures that penetrate layers, and accurately predicted the propagation pattern of hydraulic fractures through laminated shale oil reservoirs. Simulation results revealed that in the process of multi-cluster fracturing, the proportion of shear damage is low, and mainly occurs in bedding fractures activated by outer fractures. Reducing the cluster spacing enhances the fracture system's penetration ability, though it lowers the activation efficiency of lamina. The high plasticity of the limestone interlayer may impact the vertical propagation distance of the main fracture. Improving the interface strength is beneficial to the reconstruction of the fracture height, but the interface communication effect is limited. Reasonable selection of layers with moderate lamina strength for fracturing stimulation, increasing the pump rate during fracturing and setting the cluster spacing reasonably are beneficial to improve the effect of reservoir stimulation.

关键词： Laminated shale Multi-cluster fracturing Cross-layer Cohesive zone model Acoustic emission technique