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Single‑cell sequencing reveals the reproductive variations between primiparous and multiparous Hu ewes

Journal of Animal Science and Biotechnology 2024年第2期15卷 614-631页

作者： Ting Ge Yifan Wen Bo Li Xiaoyu Huang shaohua jiang Enping Zhang Key Laboratory of Animal Genetics Breeding and Reproduction of Shaanxi ProvinceCollege of Animal Science and TechnologyNorthwest A&F UniversityYangling 712100China

Background In the modern sheep production systems,the reproductive performance of ewes determines the economic profitability of *** the genetic mechanisms underlying differences in the litter size is important for the selection and breeding of highly prolific *** sheep,a high-quality Chinese sheep breed,is known for its high fecundity and is often used as a model to study prolificacy *** the current study,animals were divided into two groups according to their delivery rates in three consecutive lambing seasons(namely,the high and low reproductive groups with≥3 lambs and one lamb per season,n=3,respectively).The ewes were slaughtered within 12 h of estrus,and unilateral ovarian tissues were collected and analyzed by 10×Genomics single-cell RNA *** A total of 5 types of somatic cells were identified and corresponding expression profiles were mapped in the ovaries of each ***,the differences in the ovary somatic cell expression profiles between the high and low reproductive groups were mainly clustered in the granulosa ***,four granulosa cell subtypes were *** analysis revealed that the abundance of JPH1 expression and the reduction of LOC101112291 expression could lead to different evolutionary directions of the granulosa ***,the expression levels of FTH1 and FTL in mural granulosa cells of the highly reproductive group were significantly *** genes inhibit necroptosis and ferroptosis of mural granulosa cells,which helps prevent follicular *** This study provides insights into the molecular mechanisms underlying the high fecundity of Hu *** differences in gene expression profiles,particularly in the granulosa cells,suggest that these cells play a critical role in female *** findings also highlight the importance of genes such as JPH1,LOC101112291,FTH1,and FTL in regulating granulosa cell function and follicular development.

关键词： Granulosa cells Hu sheep Lambing number Ovarian somatic cells Single-cell RNA sequencing

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Activation of biomass-derived porous carbon for supercapacitors:A review

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Chinese Chemical Letters 2024年第7期35卷 121-138页

作者： Zixuan Guo Xiaoshuai Han Chunmei Zhang Shuijian He Kunming Liu Jiapeng Hu Weisen Yang Shaoju Jian shaohua jiang Gaigai Duan jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Institute of Materials Science and Devices Suzhou University of Science and TechnologySuzhou 215009China Faculty of Materials Metallurgy and Chemistry Jiangxi University of Science and TechnologyGanzhou 341000China Fujian Provincial Key Laboratory of Eco-Industrial Green Technology Key Laboratory of Green Chemical Technology of Fujian Province UniversityCollege of Ecological and Resources EngineeringWuyi UniversityWuyishan 354300China

Due to the advantages of renewable,low pollution and wide distribution of biomass resources,it is selected as the electrode material for *** carbon-based electrode materials,specific surface area and pore structure have a great *** and summarizing the influence of activation on pore structure will greatly broaden this *** on the activation mechanism of activator,this paper summarizes the latest progress of biomass activation applied to supercapacitors,including traditional physical and chemical activation methods and non-traditional methods such as biological activation method,self-activation method,template assisted activation method and green activator ***,the challenges,strategies and prospects for the future development of biomass-derived carbon material activation are pointed *** summary,this review will help researchers choose appropriate strategies to design biomass-derived carbon electrode materials for supercapacitors,thereby promoting the application of biomass materials.

关键词： Biomass-derived Activation Pore structure Electrochemistry Supercapacitor

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一步活化法竹基厚碳电极的制备及其电容性能

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林业工程学报 2024年第3期9卷 103-109页

作者：金浩天张天渝田志伟蒋少华南京林业大学材料科学与工程学院南京210037

超级电容器作为高功率密度储能设备,一直以来备受关注。本研究使用竹材为原材料,通过一步KOH活化法,借助竹的自然结构,调整活化温度,从而优化孔隙结构以增强电解质离子的传输性能,成功制备出竹基厚碳电极。研究结果表明,随着活化温度的... 详细信息

超级电容器作为高功率密度储能设备,一直以来备受关注。本研究使用竹材为原材料,通过一步KOH活化法,借助竹的自然结构,调整活化温度,从而优化孔隙结构以增强电解质离子的传输性能,成功制备出竹基厚碳电极。研究结果表明,随着活化温度的升高,电极的比电容逐渐增加,同时电导率也有所提高,说明更高的活化温度有助于去除杂质和增加孔隙结构的形成,从而提高了电极的比表面积和电子传导性能。当炭化温度为1000℃时,对称超级电容器器件在1 mA/cm^(2)电流密度下,呈现出4.86 mWh/cm^(3)的能量密度和2.57 mW/cm^(3)的功率密度。即使电流密度增至20 mA/cm^(2),对称超级电容器HBC 1000//HBC 1000仍保持3.13 mWh/cm^(3)的能量密度。此外,在20 mA/cm^(2)电流密度下,经过50000次充放电循环测试,HBC 1000//HBC 1000的比电容仍能够维持在初始比电容的77%。本研究旨在为生物质自支撑材料在超级电容器领域的应用提供科学依据和技术支持,以满足不断增长的能源需求和环保要求,并推动超级电容器技术的发展。

关键词：竹材一步活化法厚碳电极超级电容器

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基于POI数据的时空差异化城市停车分区

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综合运输 2024年第7期46卷 107-112页

作者：蒋韶华吕维珩兰州交通大学交通运输学院甘肃兰州730000

近年来机动车保有量逐渐增加,停车难问题日益突出。分级权停车管理可以有效平衡停车需求。为使分区结果客观准确,依据相关标准选取评价指标,并利用熵权法计算各指标所占权重。进一步,采用基于熵权法的模糊C均值聚类算法,根据不同时期的... 详细信息

近年来机动车保有量逐渐增加,停车难问题日益突出。分级权停车管理可以有效平衡停车需求。为使分区结果客观准确,依据相关标准选取评价指标,并利用熵权法计算各指标所占权重。进一步,采用基于熵权法的模糊C均值聚类算法,根据不同时期的停车需求以及各城市区域的评价指标值,将城市停车区域进行聚类分析,获得城市停车分区结果。为验证分区结果的有效性,利用高德地图爬取停车场、POI (停车需求点)等数据,借助Arc GIS对数据的空间分布特征进行可视化分析。以兰州市城关区进行实例验证,证明了基于熵权-FCM停车分区方法的可操作性,对停车分区方法具有参考意义。

关键词：静态交通停车分区熵权模糊C均值聚类算法爬虫 ArcGIS POI

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情感化理念下的红色文创产品设计研究

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鞋类工艺与设计 2024年第1期4卷 21-23页

作者：高雪晨江韶华沈阳师范大学美术与设计学院辽宁沈阳110034

本文旨在深入研究情感化设计在红色文创产品中的开发和应用。运用问卷调查法,了解红色文创产品目前在市场上的现状和发展问题并探究其解决思路。再根据认知心理学角度中的情感化设计三层次理论进行进一步分析,最终构建出基于情感化设计... 详细信息

本文旨在深入研究情感化设计在红色文创产品中的开发和应用。运用问卷调查法,了解红色文创产品目前在市场上的现状和发展问题并探究其解决思路。再根据认知心理学角度中的情感化设计三层次理论进行进一步分析,最终构建出基于情感化设计理念的红色文创产品实践案例进行展示。

关键词：红色文化情感化设计红色文创产品

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深度学习支持的基于CBR的工程质量问题防治研究

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工程管理学报 2024年第2期38卷 107-112页

作者：姜韶华祁晓敏大连理工大学建设管理系辽宁大连116024

针对建筑工程质量管理过程中决策效率低,大量历史案例信息未有效利用的问题,提出一种深度学习支持的基于案例推理(Case-Based Reasoning,CBR)的工程质量问题防治模型,以实现质量问题防治相关知识、经验的有效重用。收集、分析相关历史... 详细信息

针对建筑工程质量管理过程中决策效率低,大量历史案例信息未有效利用的问题,提出一种深度学习支持的基于案例推理(Case-Based Reasoning,CBR)的工程质量问题防治模型,以实现质量问题防治相关知识、经验的有效重用。收集、分析相关历史案例数据,基于正则表达式与双向编码器表示-双向长短期记忆网络-条件随机场(BERT-BiLSTM-CRF)模型抽取案例特征属性信息,提高案例库构建的自动化程度。引入BERT算法改进CBR的相似性度量,通过案例检索匹配和修改,为目标案例推荐可参考的防治方案,并结合某实际案例对该防治模型进行验证。结果表明,该防治模型可以从案例库中识别相似案例,提高质量管理决策的效率和准确性。

关键词：工程质量深度学习 BERT 案例推理

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融入创新创业教育的“化工原理”教学实践探索

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广东化工 2024年第17期51卷 198-200页

作者：罗儒显姜少华赵娟五邑大学广东江门520920

“化工原理”是化工与环境工程等相关专业的必修课,是培养卓越工程师理论及工程实训的重要基础。因此,在课程的教学过程中,既要立足于基础理论和知识的传授,还要注重创新能力以及学生运用基础知识解决复杂工程问题能力的培养。针对课程... 详细信息

“化工原理”是化工与环境工程等相关专业的必修课,是培养卓越工程师理论及工程实训的重要基础。因此,在课程的教学过程中,既要立足于基础理论和知识的传授,还要注重创新能力以及学生运用基础知识解决复杂工程问题能力的培养。针对课程特点,本文主要探讨如何将创新创业教育融入化工原理教学实践中,从教学目标的制定、教案与教学方法落实、教学效果评价等方面,对课程教学进行创新改革,充分调动学生的学习积极性,培养学生的创新理念,激发学生的创业热情。

关键词：化工原理创新创业教育 OBE教学理念

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Electrospinning of ABS nanofibers and their high filtration performance

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Advanced Fiber Materials 2020年第1期2卷 34-43页

作者： shaohua jiang Holger Schmalz Seema Agarwal Andreas Greiner Macromolecular Chemistry Bavarian Polymer InstituteUniversity of BayreuthUniversitätsstraße 3095440 BayreuthGermany Bavarian Polymer Institute(BPI) University of BayreuthUniversitätsstraße 3095440 BayreuthGermany Present Address:College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037China

Acrylonitrile-butadiene-styrene(ABS)is a commercial polymer for widely industrial applications due to its good mechanical and physical ***,there are only countable reports regarding its fibers from *** investigation on its optimized electrospinning parameters is ***,ABS fibers with different fiber diameters were produced by *** electrospinning conditions,including the solvents,solution concentrations and amounts of different salt additives,have been comprehensively *** morphologies of electrospun ABS fibers are studied by scanning electron microscopy and Raman *** fiber diameters and coating densities are applied for filtration applications,which showed excellent filtration *** filtration efficiency of up to 99%,low pressure drop of<30 Pa,and high filtration quality factor of up to 0.477 are achieved from the electrospun ABS fibers coated on microfibrous polypropylene *** addition,the electrospun ABS fibers also shows good thermal stability and other applications such as oil/water separation.

关键词： Acrylonitrile-butadiene-styrene fiber Electrospinning Filtration Oil-water separation

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Preparation and properties of hydrophobic and transparent wood

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Journal of Bioresources and Bioproducts 2022年第4期7卷 295-305页

作者： Linhu Ding Xiaoshuai Han Lian Chen shaohua jiang jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China

Natural wood(NW)was treated with sodium chlorite to obtain delignified wood(DW)in this study,then epoxy was impregnated to get transparent wood(TW),and finally the TW was coated with perfluorodecyltriethoxysilane(FAS)to acquire hydrophobic and transparent wood(HTW).The hydroxyl group generated by the hydrolysis of the FAS and the hydroxyl group of the epoxy underwent a dehydration condensation reaction to generate a Si-O-C bond,while the FAS molecules were also dehydrated and condensed to form a Si-O-Si bond according to Fourier transform infrared(FT-IR)spectroscopy and X-ray photoelectron spectroscopy(XPS).Therefore,the mechanical property and thermal stability of the HTW were better than the TW based on their tensile tests and thermogravimetric analysis(TGA).Due to the large reduction of hydroxyl in epoxy,the hydrophobicity of the HTW was greatly improved compared with the TW,and their contact angles were 113°and 77°,*** results of scanning electron microscopy(SEM)showed that epoxy was filled in the voids of *** addition,the coating of the FAS did not obviously reduce the transmittance,and the transmittance of the TW and HTW was 69%and 67%at 750 *** in all,the HTW has potential for application in transparent decoration.

关键词： Epoxy Hydrophobicity Perfluorodecyltriethoxysilane Transmittance Transparent wood

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Hierarchical porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors with high energy density

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Frontiers of Chemical Science and Engineering 2023年第4期17卷 387-394页

作者： Junlei Xiao Hua Zhang Yifan Wang Chunmei Zhang Shuijian He shaohua jiang jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China College of Chemistry and Chemical Engineering Jiangxi Normal UniversityNanchang 330022China Institute of Materials Science and Devices School of Materials Science and EngineeringSuzhou University of Science and TechnologySuzhou 215009China

Porous carbons with high specific area surfaces are promising electrode materials for ***,their production usually involves complex,time-consuming,and corrosive ***,a straightforward and effective strategy is presented for producing highly porous carbons via a self-activation procedure utilizing zinc gluconate as the *** volatile nature of zinc at high temperatures gives the carbons a large specific surface area and an abundance of mesopores,which avoids the use of additional activators and ***,the obtained porous carbon electrode delivers a satisfactory specific capacitance and outstanding cycling durability of 90.9%after 50000 cycles at 10 A·g^(-1).The symmetric supercapacitors assembled by the optimal electrodes exhibit an acceptable rate capability and a distinguished cycling stability in both aqueous and ionic liquid ***,capacitance retention rates of 77.8%and 85.7%are achieved after 50000 cycles in aqueous alkaline electrolyte and 10000 cycles in ionic liquid ***,the symmetric supercapacitors deliver high energy/power densities of 49.8 W·h·kg^(-1)/2477.8 W·kg^(-1) in the Et4NBF4 electrolyte,outperforming the majority of previously reported porous carbon-based symmetric supercapacitors in ionic liquid electrolytes.

关键词： self-activation zinc organic salts abundant mesopores symmetric supercapacitor liquid electrolyte

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