检索结果-南通市图书馆

Ingenious construction of a magnetic-recyclable photo-Fenton catalyst ZnFe_(2)O_(4)@miL-88A(Fe)and its adsorption-degradation activity toward levofloxacin

引用

Journal of Environmental Sciences 2025年第5期151卷 677-691页

作者： Xichen mi Tingwei Wang Yitong Chen Dan Cao Na Ma Wei Dai Key Laboratory of the ministry of Education for Advanced Catalysis Materials College of Chemistry and Materials ScienceZhejiang Normal UniversityJinhua 321004China Jinhua Customs Comprehensive Technology Service Center Jinhua 321004China College of geography and Environmental Sciences Zhejiang Normal UniversityJinhua 321004China

Monotonic pore size and particles inseparability of metal-organic frameworks(MOFs)caused serious effects on its light absorption ability and charge separation,restricting its application for antibiotic such as levofloxacin(LEV)degradation in *** this study,a magnetically detachable nano-photocatalyst(ZnFe_(2)O_(4)@miL-88A(Fe))was synthesized using a simple two-step hydrothermal *** morphology and microstructure analyses showed that n-type ZnFe_(2)O_(4)catalyst particleswere efficiently assembled onto the surface of miL-88A(Fe)*** activity studies indicated that the ZnFe_(2)O_(4)@miL-88A(Fe)plus H_(2)O_(2)exhibiting a significantly boosted photo-Fenton activity toward LEV at visible light irradiation,compared to the pure ZnFe_(2)O_(4)and miL-88A(Fe),the degradation efficiency accordingly reached up to nearly 82%and 25%within 60 *** excellent photocatalytic performance was ascribed to the synergistic effects of the heterogeneous structure of ZnFe_(2)O_(4)and miL-88A(Fe),whereby the efficient separation of charge carriers in the catalytic system is mutually reinforced with the efficient reduction of Fe^(3+)and Fe^(2+).Meanwhile,the degradationmechanism and intermediates of LEV during the photo-Fenton reaction process were also studied in depth through free radical burst,electron paramagnetic resonance,and mass spectrometry analyses,***,the ZnFe_(2)O_(4)@miL-88A(Fe)composite catalyst displayed significant stability and ease of separation,indicating potential for the photooxidative degradation of organic pollutants.

关键词： ZnFe_(2)O_(4) miL-88A(Fe) Magnetism Photo-Fenton Levofloxacin

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Assessment of the dietary amino acid profiles and the relative biomarkers for amino acid balance in the low-protein diets for broiler chickens

引用

Journal of Animal Science and Biotechnology 2025年第1期16卷 238-266页

作者： Bin Wang Xiaodan Zhang Yongfa Liu mingkun gao mi Wang Yuan Wang Xinzhi Wang Yuming guo State Key Laboratory of Animal Nutrition and Feeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China Shenyang Boeing Feed Company Shenyang 110141China

Background research on low-protein-level diets has indicated that even though the profiles of essential amino acids(EAAs)follow the recommendation for a normal-protein-level diet,broilers fed low-protein diets failed to achieve pro-ductive performance compared to those fed normal ***,it is imperative to reassess the optimum profile of EAAs in low-protein diets and establish a new ideal pattern for amino acid ***,identifying novel sensitive biomarkers for assessing amino acid balance will greatly facilitate the development of amino acid nutrition and application *** this study,12 dietary treatments[Con(+),Con(-),L&A(-),L&A(+),M&C(-),M&C(+),BCAA(-),BCAA(+),Thr(-),Thr(+),Trp(-)and Trp(+)]were established by combining different EAAs including lysine and argi-nine,methionine and cysteine,branched-chain amino acid(BCAA),threonine,and tryptophan to observe the growth and development of the broiler chickens fed with low-protein-level *** on the biochemical parameters and untargeted metabolomic analysis of animals subjected to different treatments,biomarkers associated with opti-mal and suboptimal amino acid balance were *** growth performance,carcass characteristics,hepatic enzyme activity,serum biochemical parameters,and breast muscle mrNA expression differed significantly between male and female broilers under different dietary amino acid *** broilers exhibited higher sensitivity to the adjustment of amino acid patterns than female *** the low-protein diet,the dietary concentrations of lysine,arginine,and tryptophan,but not of methionine,cystine,or threonine,needed to be ***,further research on individual BCAA is *** untar-geted metabolomic analysis,Con(+)was selected as a normal diet(NP)while Con(-)represented a low-protein diet(LP).L&A(+)denotes a low-protein amino acid balanced diet(LPAB)and Thr(+)represents a low-protein amino acid imbalance diet(LPAI).The metaboli

关键词： Amino acid balance Biomarkers Essential amino acid Low-protein diet Metabolomics

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Non-stationarity Characteristics in Dynamic Vehicular ISAC Channels at 28 gHz

引用

Chinese Journal of Electronics 2025年第1期34卷 73-81页

作者： Zhengyu Zhang ruisi He mi Yang Xuejian Zhang Ziyi Qi Hang mi guiqi Sun Jingya Yang Bo Ai School of Electronic and Information Engineering Beijing Jiaotong University Henan High-Speed railway Operation and Maintenance Engineering research Center

Integrated sensing and communications(ISAC) is a potential technology of 6g, aiming to enable end-to-end information processing ability and native perception capability for future communication systems. As an important part of the ISAC application scenarios, ISAC aided vehicle-to-everything(V2X) can improve the traffic efficiency and safety through intercommunication and synchronous perception. It is necessary to carry out measurement,characterization, and modeling for vehicular ISAC channels as the basic theoretical support for system design. In this paper, dynamic vehicular ISAC channel measurements at 28 gHz are carried out and provide data for the characterization of non-stationarity characteristics. Based on the actual measurements, this paper analyzes the time-varying PDPs, rMSDS and non-stationarity characteristics of front, lower front, left and right perception directions in a complicated V2X scenarios. The research in this paper can enrich the investigation of vehicular ISAC channels and enable the analysis and design of vehicular ISAC systems.

关键词： Performance evaluation 6g mobile communication Information processing Integrated sensing and communication Safety Vehicle dynamics Vehicle-to-everything System analysis and design

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

B2-CuZr reinforced amorphous alloy matrix composites:A review

引用

China Foundry 2025年第1期22卷 1-11页

作者： Wei guo run-hua Huang Zhen Zhang mi Zhao Jin-cheng Wang Yan-qiang Qiao Shu-lin Lü Shu-sen Wu State Key Lab of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Solidification Processing Northwestern Polytechnical UniversityXi’an 710072China School of Aerospace Engineering Huazhong University of Science and TechnologyWuhan 430074China research Institute of Huazhong University of Science and Technology in Shenzhen Shenzhen 518057GuangdongChina

B2-CuZr phase reinforced amorphous alloy matrix composites has become one of the research hotspots in the field of materials science due to the“transformation-induced plasticity”phenomenon,which makes the composites show better macroscopic plastic deformability and obvious work-hardening behavior compared to the conventional amorphous alloy matrix composites reinforced with ductile ***,the in-situ metastable B2-CuZr phase tends to undergo eutectoid decomposition during solidification,and the volume fraction,size,and distribution of B2-CuZr phase are difficult to control,which limits the development and application of these *** date,much efforts have been made to solve the above problems through composition optimization,casting parameter tailoring,and post-processing *** this study,a review was given based on relevant studies,focusing on the predictive approach,reinforcing mechanism,and microstructure tailoring methods of B2-CuZr phase reinforced amorphous alloy matrix *** research focus and future prospects were also given for the future development of the present composite system.

关键词： amorphous alloy matrix composite B2-CuZr phase plasticity microstructure tailoring

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A binary eutectic electrolyte design for high-temperature interface-compatible Zn-ion batteries

引用

Journal of Energy Chemistry 2025年第2期101卷 587-597页

作者： guomin Li Wentao Wen Kefeng Ouyang Yanyi Wang Jianhui Zhu ming Yang Hongwei mi Ning Zhao Peixin Zhang Dingtao Ma College of Chemistry and Environmental Engineering Shenzhen University School of Materials Science and Engineering Harbin Institute of Technology (Shenzhen) School of Materials and Environmental Engineering Shenzhen Polytechnic guangdong Flexible Wearable Energy and Tools Engineering Technology research Center

The deterioration of aqueous zinc-ion batteries（AZIBs） is confronted with challenges such as unregulated Zn2+diffusion,dendrite growth and severe decay in battery performance under harsh ***,a design concept of eutectic electrolyte is presented by mixing long chain polymer molecules,polyethylene glycol dimethyl ether（PEgDME）,with H2O based on zinc trifluoromethyl sulfonate(Zn（OTf）2),to reconstruct the Zn2+solvated structure and in situ modified the adsorption layer on Zn electrode *** dynamics simulations（MD）,density functional theory（DFT） calculations were combined with experiment to prove that the long-chain polymer-PEgDME could effectively reduce side reactions,change the solvation structure of the electrolyte and priority absorbed on Zn（002）,achieving a stable dendrite-free Zn *** to the comprehensive regulation of solvation structure and zinc deposition by PEgDME,it can stably cycle for over 3200 h at room temperature at 0.5 mA/cm2and 0.5 mAh/*** at high-temperature environments of 60℃,it can steadily work for more than 800 cycles（1600 h）.Improved cyclic stability and rate performance of aqueous Zn‖VO2batteries in modified electrolyte were also achieved at both room and high *** that,the demonstration of stable and high-capacity Zn‖VO2pouch cells also implies its practical application.

关键词： Dendrite suppression Eutectic electrolyte High temperature Solvation structure Zn anode

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Extraction of rare earth elements from neodymium(NdFeB) magnet scrap using magnesium halides

引用

Journal of rare Earths 2025年第2期43卷 371-376页

作者： Sung gue Heo Jae Yeol Yang Soong Ju Oh Seok-Jun Seo mi Hye Lee Kyoung-Tae Park Korea Institute for rare Metals Korea Institute of Industrial Technology Department of Materials Science and Engineering Korea University

The demand for neodymium（NdFeB） permanent magnets for electric vehicles and eco-friendly generators is ***,NdFeB magnets contain rare earth elements（rEEs）,which are limited in *** this study,we performed an exchange reaction between magnesium halides（fluoride and chloride） and waste NdFeB scrap and then compared the characteristics of the extracted halides *** compositions of the ternary Mg fluoride（LiF:NaF:MgF2=50:40:10 in mole ratio） and chloride（LiCl:NaCl:MgCl2=10:50:40 in mole ratio） salts were thermodynamically determined for achieving low eutectic *** reactions between the NdFeB scrap powder（1-2 mm） and Mg halide salts were carried out at 1073 and 873 K for the fluoride and chloride systems,respectively,in an argon *** the reaction,we separated Nd halide from the residual salt and evaluated the Ndextraction *** phase formation of the salt was analyzed using X-ray diffraction（XrD）,and the extraction rate of Nd was analyzed using inductively coupled plasma optical emission spectroscopy（ICPOES）.Nd was extracted in the form of Nd halide（NdF3or NdCl3）,and the extraction rates in the fluoride and chloride systems are 98.64% and 84.59%,***,the fluoride system is more effective than the chloride system for Nd *** study provides a comprehensive comparative analysis of the effectiveness of fluo ride and chlo ride systems in extracting rEEs from NdFeB magnet *** study findings can be used to develop an effective method for recycling magnet scraps.

关键词： Fluoride system Magnesium halide Metal-scrap recycling Nd extraction Neodymium magnet rare earth elements

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

计及电力系统承受能力的含超快充电动汽车并网运行风险评估

引用

电网技术 2025年第1期49卷 187-197,I0076-I0078页

作者：徐艳春李思佳张涛 mi Lu 梯级水电站运行与控制湖北省重点实验室(三峡大学) 湖北省宜昌市443002 得克萨斯农工大学电气与计算机工程系美国得州77840

目前分布式电源和含超快充的电动汽车接入配电网会增大电力系统的运行风险。针对现有风险评估指标未能有效考虑电网承受能力的问题,提出一种计及电力系统承受能力的配电网风险评估综合指标。首先,构建分布式电源出力模型和含超快充的电... 详细信息

目前分布式电源和含超快充的电动汽车接入配电网会增大电力系统的运行风险。针对现有风险评估指标未能有效考虑电网承受能力的问题,提出一种计及电力系统承受能力的配电网风险评估综合指标。首先,构建分布式电源出力模型和含超快充的电动汽车负荷模型;然后,采用以分布熵理论为基础的指标度量电压、功率等状态变量越限及其分布不确定性带来的风险,引入以泰尔熵理论为基础的指标度量系统受到负荷冲击后状态变量增量分布的不均衡度带来的风险,将上述指标通过序关系法与客观赋权法相结合的权重分析法进行综合以全面评估系统风险;最后,以IEEE 33节点系统进行测试,验证了综合指标的合理性。结果表明所提综合指标可有效评估系统未发生越限时的潜在风险,且电动汽车的超快充会改变综合风险的时序分布特点。研究结果可为含超快充的电动汽车接入配电网的安全运行提供理论指导。

关键词：分布式电源电动汽车运行风险评估分布熵泰尔熵

来源：

维普期刊数据库

同方期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

Impact of a new pesticide on rhizosphere microbes and plant health:Case study of Y17991 against sharp eyespot in wheat

引用

Journal of Integrative Agriculture 2025年第2期24卷 769-785页

作者： Xiangxia Yang Tingting Chen Libo Xiang Limin Liu mi Wei School of Agriculture Shenzhen Campus of Sun Yat-Sen University Institute of Plant Protection and Soil Fertilizer Hubei Academy of Agricultural Sciences/Key Laboratory of Integrated Pest Management for Crops in the Central Region Ministry of Agriculture and Rural Affairs/Hubei Key Laboratory of Crop Pest and Weed Control Agricultural Technology Service Center of Yuxin Town Key Laboratory for Quality Control of Characteristic Fruits and Vegetables of Hubei Province College of Life Science and Technology Hubei Engineering University

Sharp eyespot(rhizoctonia cerealis) is a widespread soil-borne fungal disease that poses a severe threat to wheat health, and it is one of the main obstacles to achieving stable and high-quality wheat yields in China. Our collaborative team has developed a novel, efficient, and low-toxicity fungicide named Y17991(N-(2-(2,4-bis-(trifluoromethyl)phenoxy)phenyl)-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxamide). Preliminary laboratory tests confirmed the significant inhibitory effect of this agent on r. cerealis. Large-area field trials also demonstrated its efficacy, with a disease prevention index of 83.52%, which is 1.97% greater than that of the widely used thifluzamide, and it significantly increased the wheat yield. Moreover, this study explored the impacts of Y17991 on the structure and function of the microbial community in wheat rhizosphere soil. Bacterial communities were more strongly affected than fungal communities. Y17991 significantly modulated key amino acid metabolic pathways and certain biosynthetic processes in diseased wheat rhizospheres, and it also enhanced certain biosynthetic pathways and metabolic activities in healthy wheat rhizospheres. Additionally, the application of Y17991 regulated rhizosphere metabolites, thus exerting significant control over the microbial community. We identified 15 microbial strains potentially involved in the prevention and treatment of r. cerealis, and Y17991 treatment promoted the growth of Pedobacter and Bacillus strains. These strains not only aid in plant growth but they also have the potential for disease prevention. In summary, Y17991 application at a reasonable dose does not cause significant disruption to nontarget rhizosphere microbial communities. In future studies, we will continue to investigate the impacts of Y17991 on nonmicrobial components in soil ecosystems, such as protozoa and nematodes. Our research provides a theoretical basis for the scientific application and promotion of new fungicides a

关键词： pesticide sharp eyespot rhizosphere microbial community rhizosphere metabolites culturable microorganisms

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Highly mass activity electrocatalysts with ultralow Pt loading on carbon black for hydrogen evolution reaction

引用

International Journal of minerals,Metallurgy and Materials 2025年第1期32卷 182-190页

作者： Shaorou Ke Yajing Zhao Xin min Yanghong Li ruiyu mi Yangai Liu Xiaowen Wu minghao Fang Zhaohui Huang Engineering research Center of ministry of Education for geological Carbon Storage and Low Carbon Utilization of resources Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastersNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of Geosciences(Beijing)Beijing 100083China

Pt-based nanocatalysts offer excellent prospects for various ***,the low loading of Pt with excellent performance for efficient and stable nanocatalysts still presents a considerable *** this study,nanocatalysts with ultralow Pt content,excellent performance,and carbon black as support were prepared through in-situ ***~2-nm particles uniformly and stably dispersed on carbon black because of the strong s-p-d orbital hybridizations between carbon black and Pt,which suppressed the agglomeration of Pt *** unique structure is beneficial for the hydrogen evolution *** catalysts exhibited remarkable catalytic activity for hydrogen evolution reaction,exhibiting a potential of 100 mV at 100 mA·cm^(-2),which is comparable to those of commercial Pt/C *** activity(1.61 A/mg)was four times that of a commercial Pt/C catalyst(0.37 A/mg).The ultralow Pt loading(6.84wt%)paves the way for the development of next-generation electrocatalysts.

关键词： hydrogen evolution reaction ultralow platinum in-situ synthesis ultrasound

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Improved oxygen electrocatalysis at Fe N4 and Co N4 sites via construction of axial coordination

引用

Chinese Chemical Letters 2025年第2期36卷 482-487页

作者： Ze Zhang Lei Yang Jin-ru Liu Hao Hu Jian-Li mi Chao Su Bei-Bei Xiao Zhi-min Ao School of Energy and Power Engineering Jiangsu University of Science and Technology Institute for Computation in Molecular and Materials Science School of Chemistry and Chemical Engineering Nanjing University of Science and Technology Institute for Advanced Materials School of Materials Science and Engineering Jiangsu University Advanced Interdisciplinary Institute of Environment and Ecology Beijing Normal University

The quest for efficient and durable catalysts using abundant resources has garnered significant interest in the field of bifunctional oxygen *** this contribution,we have designed a FeN4or CoN4embedded graphene-based bilayer as active layer and TMC3or TMN3doped graphene as supporting layer,named as FeN4/TMC3or FeN4/TMN3and CoN4/TMC3or CoN4/TMN3,wherein TM strands for transition *** on density functional theory calculations,our results demonstrate that the interaction formed between dual metal atoms in the bilayer interspace leads to the coordination environment altered from flat four-coordination to spatial five-coordination,further stabilizing the bilayer structure and impairing its affinity toward the O-containing *** to thermodynamic analysis,the bilayers of CoN4/CoN3,FeN4/FeC3,FeN4/CoC3,FeN4/NiC3,FeN4/ZnC3,FeN4/FeN3,FeN4/CrN3and FeN4/ZnN3are attractively promising for bifunctional oxygen electrocatalysis due to the small overpotential differenceΔη between oxygen reduction and oxygen evolution that are less than 1 *** functional theory calculations combined with machine learning analysis directly identify the key role played by the interbinding formed between bilayers,that boosts catalytic activity,which establishes a predictable framework for a fast screen for graphene-based bilayer vertical *** work opens up a new path for designing the efficient electrocatalysts via modification of coordination environment.

关键词： Density functional theory Machine learning Oxygen electrocatalysis Thermodynamic analysis

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：