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Particuology 2024年第1期84卷 53-59页

作者： Huatai Zhu Limei Zhang Fujia Kou jingyang zhao Jiandu Lei Jing He Beijing Key Laboratory of Lignocellulosic Chemistry Beijing Forestry UniversityBeijing100083China Institute of Biopharmaceutical and Health Engineering Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen518055China

Oral colonic nano-drug delivery system has attracted growing attention in treating colon cancer for their excellent ***,the unique and complex structure of the gastrointestinal tract is still an obstacle to the safe delivery of drugs targeting sites in colon ***,we designed magnetically driven dual-targeted oral colonic nanoparticles loaded with chlorogenic acid using pectin and oleic acid-modified iron oxide(Fe3O4@OA).Specific degradation of pectin by pectinase produced by colonic flora and magnetic fields applied to the colon confers specific targeting of nanoparticles to the *** order to overcome the challenge of preparing magnetically driven nanoparticles with small and homogeneous particle sizes by a single conventional method,we developed the combined ultrasound-emulsification *** average particle size of the prepared nanoparticles was 81.04±1.02 nm,which showed good drug release in the simulated colonic *** vitro anticancer studies,the drug-loaded nanoparticles possess an obvious toxicity and apoptosis-inducing ability against cancer ***,the hemolysis results demonstrated the safety of the nanoplatform(PET/CGA/Fe_(3)O_(4)@OA).This work holds broad prospects as a new treatment modality for colon cancer.

关键词： Pectin Chlorogenic acid Ultrasound-emulsion Magnetically driven Colon cancer Colon targeted

师范生师德教育机制探研——基于《新时代基础教育强师计划》的分析

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沈阳师范大学学报（教育科学版） 2024年第1期003卷 75-81页

作者：赵景阳泰山学院马克思主义学院山东泰安271000

为了落实《新时代基础教育强师计划》,师范院校要构建独具特色的师范生师德教育机制。基于“以美储善”的审美主义立场,新时代的师德教育是一种超越知识教育的心性教育、情感教育、审美教育。全方位、全过程、全链条师德养成的关键在于... 详细信息

为了落实《新时代基础教育强师计划》,师范院校要构建独具特色的师范生师德教育机制。基于“以美储善”的审美主义立场,新时代的师德教育是一种超越知识教育的心性教育、情感教育、审美教育。全方位、全过程、全链条师德养成的关键在于重塑师范生师德教育教学体系:一是要合理规划职业理想、师道尊严、师德修养、行为准则、教育法规等教学模块;二是要丰富师德教育实践环节,在教育见习中品读师德经典、在情景体验中亲近师德楷模、在教育实习中发掘师德故事、在教育研习中提升伦理决策、在典礼仪式中孕育师德力量。师范院校还要根据师范专业“认证标准”的毕业要求,按照“做人—为师—专业教师”的培养逻辑建立师范生师德教育评价指标体系。

关键词：基础教育强师计划师德教育机制

Recent advanced development of stabilizing sodium metal anodes

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Green Energy & Environment 2023年第5期8卷 1279-1307页

作者： Liyu Zhu Yucheng Li jingyang zhao Jing Liu Luying Wang Jiandu Lei Beijing Key Laboratory of Lignocellulosic Chemistry Beijing Forestry UniversityBeijing100083China MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy Beijing Forestry UniversityBeijing100083China

As the application of next-generation energy storage systems continues to expand,rechargeable secondary batteries with enhanced energy density and safety are imperative for energy ***-ion batteries(SIBs)have attracted extensive attention and are recognized as ideal candidates for large-scale energy storage due to the abundant sodium resources and low *** metal anodes(SMAs)have been considered as one of the most attractive anode materials for SIBs owing to their high specific capacity(1166 mAh g^(-1)),low redox potential,and abundant natural ***,the uncontrollable dendrite growth and inevitable side reactions on SMA lead to the continuous deterioration of the electrochemical performance,causing serious safety concerns and limiting their practical application in the ***,the construction of stable dendrite-free SMAs is a pressing problem for advanced sodium metal batteries(SMBs).In this review,we comprehensively summarize the research progress in suppressing the formation of sodium dendrite,including artificial solid electrolyte interphase(SEI),liquid electrolyte modification,three-dimensional(3D)host materials,and solid-state ***,key aspects and prospects of future research directions for SMAs are *** hope that this timely review can provide an overall picture of sodium protection strategies and stimulate more research in the future.

关键词： Sodium-metal battery Sodium metal anode Dendrite growth Artificial solid electrolyte interphases Electrolyte engineering

A smart MXene-copolymeric molecularly imprinted hydrogel with dual-response and photothermal conversion performance for specific recognition of cis-diol compounds

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Nano Research 2022年第3期15卷 2764-2772页

作者： jingyang zhao Yucheng Li Huatai Zhu Guifang Li Lingling Kang Jing Liu Jing He Jiandu Lei Luying Wang Qiong Yan Beijing Key Laboratory of Lignocellulosic Chemistry College of Material Science and TechnologyBeijing Forestry UniversityBeijing 100083China School of Science Beijing Jiaotong UniversityBeijing 100044China MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy Beijing Forestry UniversityBeijing 100083China

In this work,a novel MXene-copolymeric molecularly imprinted hydrogel(FMMIH)with temperature/pH dual response and photothermal conversion performance for selective recognition of cis-diol compounds is successfully *** MXene becomes an important part of the hydrogel’s skeleton by participating in the free radical polymerization ***,FMMIH exhibits improved mechanical properties and great photothermal conversion ***,based on the temperature/pH dual response,FMMIH can realize the controllable capture and release of ginsenoside Rb1 with cis diol structures through dual recognitions of functional groups and geometric *** the conditions of pH 8.5 and 25℃,the adsorption capacity of FMMIH is 26.3 mg·g^(-1) and the imprinting factor is 16.4,showing a good imprinting *** is worth noting that the volume shrinkage caused by photothermal conversion of the hydrogel is conducive to the elution of template molecules and greatly saves the time of desorption(the desorption efficiency is as high as 89.4%under light conditions for 30 min,which is 3.7 times in dark conditions).These excellent properties make it possible to have broad prospects in many fields such as separation of cis-diol compounds,drug delivery systems,and biosensors.

关键词： functional MXene photothermal conversion molecular imprinting temperature/pH response specific recognition

Synthesis,structural characterization and properties of a 3D infinitely extended structural rare earth coordination compound of K_3{[Sm(H_2O)_7]_2Na[α-SiW_(11)O_(39)Sm(H_2O)_4]_2}·14 H_2O

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Science China Chemistry 2005年第4期48卷 343-351页

作者： WANG Jingping zhao Junwei NIU jingyang Institute of Molecule and Crystal Engineering School of Chemistry and Chemical EngineeringHenan UniversityKaifeng 475001China Institute of Molecule and Crystal EngineeringSchool of Chemistry and Chemical EngineeringHenan UniversityKaifeng 475001China Institute of Molecule and Crystal EngineeringSchool of Chemistry and Chemical EngineeringHenan UniversityKaifeng 475001China

A 3D infinitely extended structural rare earth coordination compound with a formula of K3{[Sm(H2O)7]2Na[a-SiW11O39Sm(H2O)4]2}·14H2O has been synthesized by reaction of Sm2O3,HClO4,NaOH with a-K8SiW11O39·nH2O,and characterized by IR,UV spectra,ICP,TG-DTA,cyclic voltammetry,variable-temperature magnetic susceptibility and X-ray single-crystal diffrac-tion.X-ray single-crystal diffraction indicates that the title compound crystallizes in a triclinic lat-tice,Pi space group,with a = 1.2462(3) nm,b = 1.2652(3) nm,c = 1.8420(4) nm,α = 87.45(3)°,β = 79.91(3)°,γ = 82.57(3)°,Z = 1,R1 = 0.0778,wR2 = *** analysis reveals that Sm3+(1) coordination cation has incorporated into the vacant site of [α-SiW11O39]8? entity,forming the [α-SiW11O39Sm(H2O)4]5? *** two adjacent [a-SiW11O39Sm(H2O)4]5? subunits are combined with each other through two Sm(1)-O-W bridges accompanying the formation of dim-mer structural unit [α-SiW11O39Sm(H2O)4]210? of the title *** neighboring dimmer structural units [α-SiW11O39Sm(H2O)4]210? are linked to form the 1D chainlike structure by means of two Sm3+(2) and a Na+(1) coordination *** K+(1) cations connect the 1D packing chains constructing the 2D netlike structure,and adjacent netlike layers are also grafted by K+(2) cations to build the novel 3D infinitely extended *** result of TG-DTA curves manifests that the decomposition temperature of the title polyanionic framework is 554℃.The cyclic volt-ammetry measurements show that the title polyanion has the two-step redox processes in aqueous solution with pH = *** temperature magnetic susceptibility indicates the title compound obeys the Cruie-Weiss Law in the higher temperature range from 110 to 300 K,while in the lower temperature range from 2 to 110 K the comparatively strong antiferromagnetism in-teractions can be observed.

关键词： silicotungstic acid, Keggin structure, crystal structure, polyoxometalates, rare earth metal.

Continuous Production of Formic Acid Solution from Electrocatalytic CO_(2) Reduction Using Mesoporous Bi_(2)O_(3) Nanosheets as Catalyst

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CCS Chemistry 2024年第1期6卷 100-109页

作者： Zhonghao Tan Jianling Zhang Yisen Yang Jiajun Zhong Yingzhe zhao jingyang Hu Yanyue Wang Zhuizhui Su Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of ColloidInterface and Chemical ThermodynamicsCAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190 School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049 Beijing Synchrotron Radiation Facility(BSRF) Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049

Electrochemical reduction of CO_(2) to formic acid(HCOOH)is an important route for storing renewable energy and achieving carbon ***,we propose the continuous production of HCOOH solution from electrocatalytic CO_(2) reduction using highly mesoporous bismuth oxide(Bi_(2)O_(3))nanosheets as an electrocatalyst and membrane electrode assembly with solid-state electrolyte as an ***,0.1 M of HCOOH solution could be produced continuously at a current density of -56 mA cm^(-2) for at least 43 *** underlying mechanism for the high performance of the electrocatalytic system was investigated by experimental studies and theoretical calculations.

关键词： CO_(2)electroreduction formic acid Bi_(2)O_(3)nanosheet solid-state electrolyte Zn-CO_(2)battery

Genesis and Uranium Sources of Leucogranite-hosted Uranium Deposits in the Gaudeanmus Area, Central Damara Belt, Namibia: Study of Element and Nd Isotope Geochemistry

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Acta Geologica Sinica(English Edition) 2017年第6期91卷 2126-2137页

作者： FAN Honghai CHEN Jinyong WANG Shengyun zhao jingyang GU Dazhao MENG Yanning Beijing Research Institute of Uranium Geology Key Laboratory of Uranium Resource Exploration and Evaluation Technology CNNC Department of Earth Sciences and State Key Lab of Mineral Deposit Research Nanjing University

This paper presents a systematic study of major and trace elements and Sm-Nd isotopes in leucogranites closely related to uranium mineralization in the Gaudeanmus area, Namibia. The results illustrate that the uraniferous leucogranites possess high SiO2 （68.8wt%-76.0wt%, average 73.1wt%） and K （4.05wt%-7.78wt%, average 5.94wt%） contents, and are sub-alkaline and metaluminous to weakly peraluminous, as reflected by A/CNK values of 0.96-1.07 with an average of 1.01. The leucogranites are rich in light rare earth elements （LREE/HREE = 2.53-7.71; （La/Yb）s = 2.14-10.40）, have moderate Eu depletion and high Rb/Sr ratios （2.03-5.50 with an average of 4.36）; meanwhile, they are enriched in Rb, K, Th, U and Pb, and depleted in Ba, Nb, Ta, and Sr. The tNd（t） values of uraninites range from -14.8 to -16.5, and the two-stage Nd model ages are 2.43-2.56 Ga. Detailed elemental and Sm-Nd isotopic geochemical characteristics suggest that the leucogranites were formed in a post- orogenic extensional environment. The U-rich pre-Damara basement was the main source of uranium during the primary mineralization event, which is disseminated in leucogranites, whereas the uranium mineralization in veins possibly resulted from remobilization of the primary uranium minerals.

关键词： uranium source of uranium Nd isotopes leucogranites Gaudeanmus Damara Belt

Natural variation in maize gene ZmSBR1 confers seedling resistance to Fusarium verticillioides

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The Crop Journal 2024年第3期12卷 836-844页

作者： Yunxia Song Peipei Ma jingyang Gao Chaopei Dong zhao Wang Yifan Luan Jiafa Chen Doudou Sun Pei Jing Xuecai Zhang Weibin Song Zijian Zhou Jianyu Wu College of Agronomy Henan Agricultural UniversityZhengzhou 450002HenanChina College of Life Sciences Henan Agricultural UniversityZhengzhou 450002HenanChina Global Maize Program International Maize and Wheat Improvement Center(CIMMYT)Apdo 6-64106600 MexicoDFMexico National Maize Improvement Center Department of Plant Genetics and BreedingChina Agricultural UniversityBeijing 100193China

Maize seedling blight caused by Fusarium verticillioides is a widely occurring maize disease,but the genetics and mechanisms of resistance are not well *** this study,GWAS performed by MLM and 3VmrMLM identified 40 and 20 QTNs,associated with seedling blight *** methods identified 49 and 36 genes,*** verification of candidate gene ZmSBR1 identified by both methods showed that the resistance of a mutant line to seedling blight decreased by 0.37 grade points after inoculation with ***,compared with the *** length of the stem rot lesion caused by *** increased by 86%in mutant seedlings,and the relative length of the adult plant stalk rot increased by 35%in mutant plants compared to the wild type after inoculation with Fusarium *** analysis showed that expression of defense-related genes after inoculation was down-regulated in the mutant compared to the wild type,synthesis of secondary metabolites associated with resistance was reduced,and the immune response triggered by PAMP decreased,resulting in decreased resistance of mutant maize *** gene association analysis showed that most maize inbred lines carried the susceptible haplotype.A functional PCR marker was *** results demonstrated that ZmSBR1 conferred resistance to multiple Fusarium diseases at the seedling and adult growth stages and had important application value in breeding.

关键词： Seedling blight Stalk rot Multiple disease resistance

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RGB-D语义分割:深度信息的选择使用

中国图象图形学报 2022年第8期27卷 2473-2486页

作者：赵经阳余昌黔桑农华中科技大学人工智能与自动化学院图像信息处理与智能控制教育部重点实验室武汉430074

目的在室内场景语义分割任务中,深度信息会在一定程度上提高分割精度。但是如何更有效地利用深度信息仍是一个开放性问题。当前方法大都引入全部深度信息,然而将全部深度信息和视觉特征组合在一起可能对模型产生干扰,原因是仅依靠视觉... 详细信息

目的在室内场景语义分割任务中,深度信息会在一定程度上提高分割精度。但是如何更有效地利用深度信息仍是一个开放性问题。当前方法大都引入全部深度信息,然而将全部深度信息和视觉特征组合在一起可能对模型产生干扰,原因是仅依靠视觉特征网络模型就能区分的不同物体,在引入深度信息后可能产生错误判断。此外,卷积核固有的几何结构限制了卷积神经网络的建模能力,可变形卷积(deformable convolution, DC)在一定程度上缓解了这个问题。但是可变形卷积中产生位置偏移的视觉特征空间深度信息相对不足,限制了进一步发展。基于上述问题,本文提出一种深度信息引导的特征提取(depth guided feature extraction, DFE)模块。方法深度信息引导的特征提取模块包括深度信息引导的特征选择模块(depth guided feature selection, DFS)和深度信息嵌入的可变形卷积模块(depth embedded deformable convolution, DDC)。DFS可以筛选出关键的深度信息,自适应地调整深度信息引入视觉特征的比例,在网络模型需要时将深度信息嵌入视觉特征。DDC在额外深度信息的引入下,增强了可变形卷积的特征提取能力,可以根据物体形状提取更相关的特征。结果为了验证方法的有效性,在NYUv2(New York University Depth Dataset V2)数据集上进行一系列消融实验并与当前最好的方法进行比较,使用平均交并比(mean intersection over union, mIoU)和平均像素准确率(pixel accuracy, PA)作为度量标准。结果显示,在NYUv2数据集上,本文方法的mIoU和PA分别为51.9%和77.6%,实现了较好的分割效果。结论本文提出的深度信息引导的特征提取模块,可以自适应地调整深度信息嵌入视觉特征的程度,更加合理地利用深度信息,且在深度信息的作用下提高可变形卷积的特征提取能力。此外,本文提出的深度信息引导的特征提取模块可以比较方便地嵌入当下流行的特征提取网络中,提高网络的建模能力。

关键词：语义分割 RGB-D 深度信息引导的特征选择(DFS) 深度信息嵌入的可变形卷积(DDC) 深度信息引导的特征提取(DFE)

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日用化工高浓废水处理技术与研究

皮革制作与环保科技 2022年第18期3卷 11-13,22页

作者：赵景阳洋紫荆油墨(中山)有限公司广东中山528459

日用化工种类繁多,产量大,多年来持续保持较高的速度发展,但在生产过程中会产生大量的废水,且废水具有成分复杂、高浓度、高表面活性剂(LAS)难降解且可生化性差、难以处理等特点,如果不能有效治理会导致严重的环境污染。因此,本文借助... 详细信息

日用化工种类繁多,产量大,多年来持续保持较高的速度发展,但在生产过程中会产生大量的废水,且废水具有成分复杂、高浓度、高表面活性剂(LAS)难降解且可生化性差、难以处理等特点,如果不能有效治理会导致严重的环境污染。因此,本文借助某日用化工生产企业治理高浓废水的案例深入研究了相关处置技术,为日用化工企业更好地处理高浓废水提供参考。

关键词：日用化工高浓废水处置技术