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职业教育传承非遗中华优秀传统工艺的探索与实践——以广州番禺职业技术学院珠宝首饰类“双高”专业群传承花丝镶嵌工艺为例

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科教文汇 2024年第5期 143-146页

作者：马春宇李坤杨井兰广州番禺职业技术学院珠宝学院广东广州511483

以广州番禺职业技术学院珠宝首饰技术与管理“双高”专业群传承花丝镶嵌国家级非遗中华优秀传统工艺的实践经验为基础,对职业教育传承非遗中华优秀传统工艺的功能定位、现实困境、破解之道、实施路径等内容进行了系统研究,以期为职业教... 详细信息

以广州番禺职业技术学院珠宝首饰技术与管理“双高”专业群传承花丝镶嵌国家级非遗中华优秀传统工艺的实践经验为基础,对职业教育传承非遗中华优秀传统工艺的功能定位、现实困境、破解之道、实施路径等内容进行了系统研究,以期为职业教育传承非遗中华优秀传统工艺提供理论指导和经验借鉴。

关键词：非遗传承传统工艺花丝镶嵌文化自信

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钨基氮化铀微球弥散燃料制备工艺及性能研究

原子能科学技术 2024年第S1期58卷 96-103页

作者：刘文涛杜江平赵雨梦马春雨刘伟蔡振方中核反应堆辐照特种元件制备工艺重点实验室内蒙古包头014035 中核北方核燃料元件有限公司内蒙古包头014035

金属陶瓷(CERMET)弥散燃料是目前核热推进反应堆用燃料研发热点。氮化铀(UN)微球具有高铀密度、高热导率、高填充率等特点,钨基体具有高熔点、高热导率及低线性热膨胀系数等优点,将两者结合形成的钨基氮化铀微球弥散燃料是空间核动力的... 详细信息

金属陶瓷(CERMET)弥散燃料是目前核热推进反应堆用燃料研发热点。氮化铀(UN)微球具有高铀密度、高热导率、高填充率等特点,钨基体具有高熔点、高热导率及低线性热膨胀系数等优点,将两者结合形成的钨基氮化铀微球弥散燃料是空间核动力的理想候选材料。本文突破了碳热还原-氮化关键难点,成功制备了高纯UN微球,采用无压通氢烧结的工艺路线,实现了钨基UN弥散燃料芯块制备,研究了不同参数对UN微球和弥散燃料芯块性能的影响规律。结果表明,当碳化温度为1900℃、保温时间为8 h、氮化温度为1900℃、保温时间为3 h时,UN微球的纯度最高,达93.79%,相对密度为96%T.D.;以丙三醇为黏结剂、无水乙醇为稀释剂,对UN微球与基体钨粉进行湿混后直接装模压制,UN微球在钨基体中分布较均匀;使用氢气进行致密化烧结,在1900℃可获得95%T.D.以上致密度。对燃料芯块的性能测试表明,钨基UN芯块中的微球完整且分布均匀,微球中U、N原子比为1.04∶1,钨基体与UN微球界面粘附紧密,无分层;随着温度的升高,芯块的导热系数逐渐降低,100℃时的导热系数为182.6 W/(m·K)。

关键词：金属陶瓷燃料氮化铀微球钨基体碳热还原-氮化

Reparation and Performance Testing of Free Radical Photocurable Passivation Film Modified by Titanate Coupling Agent for Hot-plated Aluminum-zinc Steel Plate

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Journal of Wuhan University of Technology(materials Science) 2022年第6期37卷 1066-1072页

作者： LU Weixing WU Linling ma chunyu YUAN Jing ZHANG Qianfeng Institute of Molecular Engineering and Applied Chemistry Anhui University of TechnologyMa’anshan 243002China Department of Civil Engineering Tongling UniversityTongling 244000China

To study the effect of free radical photocurable passivation film modified by titanate coupling agent for hot-plated aluminum-zinc plate,trimethylpropane triacrylate(TMPTA)and 2-phenoxyethyl acrylate were used as active diluents,a mixture of modified epoxy acrylate and modified polyester acrylate in a certain proportion was used as an oligomer,2-methyl-1-[4-(methylothyl)benzene]-2-morpholine acetone(907)was used as a free radical photoinitiator,isopropyl thioxanthone(ITX)was used as sensitizer,and bis(dioctyl phosphate acyl)titanate ethyltitanate acrylamide chelate(FD-812)was used as corrosion inhibitor *** UV-curing,the passivation film was characterized by neutral salt spray test,electrochemical testing and other *** general performance of the passivation film may meet the requirements of downstream users of hot aluminum-zinc steel *** neutral salt spray test,electrochemical testing and microscopic surface morphology analysis of passivation film are in *** introduction of titanate components may effectively promote the photocuring of free *** have been few reports on the titanate coupling which is added to UV-curing coating *** titanate coupling agent contains acrylamide groups and terminal amine groups,acrylamide group has oligomer and crosslinking monomer,the terminal tertiary amine groups can provide hydrogen protons,reduce oxygen polymerization,and a phosphating film is formed on the surface of the metal substrate to improve the adhesion and corrosion resistance of the coating.

关键词： cationic photocuring hot galvalume steel plate surface treatment titanate coupling agent chromium-free environmental passivation film

The effect of multiple pairs of meta-dicarboxyl groups on molecular self-assembly and the selective adsorption of coronene by hydrogen bonding and van der Waals forces

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Nano Research 2022年第2期15卷 1691-1697页

作者： Jianqiao Li Wendi Luo Siqi Zhang chunyu ma Xunwen Xiao Wubiao Duan Qingdao Zeng CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology(NCNST)Beijing 100190China Department of Chemistry School of ScienceBeijing Jiaotong UniversityBeijing 100044China School of materials and Chemical Engineering Ningbo University of TechnologyNingbo 315211China

The prediction of two-dimensional molecular self-assembly structures has always been a problem to be *** molecules with meta-dicarboxyl groups can self-assemble into a specific hexagonal cavity,which has an important influence on the prediction of molecular self-assembly structures and the application of functional molecules with meta-dicarboxyl *** kinds of molecules with four pairs of meta-dicarboxyl groups,1,3,6,8-tet「akis(3,5-isophthalic acid)pyrene(H_(8)TIAPy)and 4′,4′",4′"",4""-(ethene-1,1,2,2-tetrayl)tetrakis(([1,1′-biphenyl]-3,5-dicarboxylic acid))(H8ETTB)molecules were chosen to observe the self-assembly behavior at the heptanoic acid/highly oriented pyrolytic graphite(HA/HOPG)interface.H8TIAPy molecules self-assembled into well-ordered quadrilateral structures and could be regulated into kagome networks with hexagonal pores by coronene(COR)molecules.H8ETTB molecules self-assembled into lamellar structures and transformed into acid-COR-acid-COR co-assembled structures at low concentration of COR solution and acid-COR dimer-acid-COR dimer co-assembled structures at high concentration of COR *** reason that H8ETTB molecules could not be regulated into hexagonal porous architecture was attributed to the steric hindrance by the similar length and width of H8ETTB *** H8ETTB templates had stronger adsorption for COR than that of hexaphenylbenzene(HPB),regardless of the order of molecular introduction.

关键词： meta-dicarboxyl groups hexagonal cavity selective adsorption self-assembly steric hindrance

艾司氯胺酮混合氢吗啡酮自控静脉镇痛对患儿术后睡眠质量的影响

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中华麻醉学杂志 2024年第6期44卷 698-701页

作者：李阳李丽伟刘坤谢中华王玲玲马春宇杨建军郑州大学第一附属医院麻醉与围手术期及疼痛医学部郑州450000 郑州大学第三附属医院麻醉科郑州450000

目的:评价艾司氯胺酮混合氢吗啡酮自控静脉镇痛对患儿术后睡眠质量的影响。方法:本研究为前瞻性随机对照研究。2023年1月至11月本院择期全身麻醉腹部手术后自控静脉镇痛患儿100例,性别不限,年龄4~12岁,BMI 13~26 kg/m^(2),ASA分级Ⅰ或Ⅱ... 详细信息

目的:评价艾司氯胺酮混合氢吗啡酮自控静脉镇痛对患儿术后睡眠质量的影响。方法:本研究为前瞻性随机对照研究。2023年1月至11月本院择期全身麻醉腹部手术后自控静脉镇痛患儿100例,性别不限,年龄4~12岁,BMI 13~26 kg/m^(2),ASA分级Ⅰ或Ⅱ级,采用随机数字表法分为艾司氯胺酮混合氢吗啡酮组(EH组)和氢吗啡酮组(H组),每组50例。EH组镇痛泵药物:艾司氯胺酮1 mg/kg混合氢吗啡酮0.1 mg/kg,H组镇痛泵药物:氢吗啡酮0.2 mg/kg,均加入0.9%氯化钠溶液,稀释至100 ml。采用匹兹堡睡眠质量指数量表,通过患儿或监护人评估术前睡眠质量;术后1~3 d晨采用数字等级评分(NRS)评估术后前3晚睡眠质量。术后24和48 h时行FLACC疼痛评分,记录术后48 h内氢吗啡酮消耗量、术后恶心、呕吐、瘙痒、谵妄等不良反应的发生情况。结果:与H组比较,EH组术后第1晚NRS升高,睡眠质量差比率下降( P0.05),术后24和48 h时FLACC疼痛评分和术后48 h内氢吗啡酮消耗量降低( P0.05)。结论:艾司氯胺酮混合氢吗啡酮自控静脉镇痛可改善患儿术后睡眠质量。

关键词：环己烷类氢吗啡酮镇痛,病人控制儿童睡眠质量

锅炉扁钢用免退火12Cr1MoV盘条控轧控冷工艺优化

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特殊钢 2024年第1期45卷 94-97页

作者：朱帅李阳王广顺马春雨陈猛曹长法青岛特殊钢铁有限公司中信特钢研究院青钢分院青岛266043

为开发免球化退火扁钢用12Cr1MoV热轧盘条,基于形变诱导相变机理,采用830℃终轧温度和800℃的吐丝温度。通过抑制形变奥氏体晶粒回复和再结晶过程增加形变储能,促进奥氏体分解为铁素体和珠光体组织。同时配合轧后风冷辊道速度调节,实现... 详细信息

为开发免球化退火扁钢用12Cr1MoV热轧盘条,基于形变诱导相变机理,采用830℃终轧温度和800℃的吐丝温度。通过抑制形变奥氏体晶粒回复和再结晶过程增加形变储能,促进奥氏体分解为铁素体和珠光体组织。同时配合轧后风冷辊道速度调节,实现分段控制冷却,延长盘条在630~750℃区间停留时间,可完全消除盘条中马氏体和贝氏体组织。试验结果为:热轧盘条抗拉强度从576 MPa降至520 MPa,断面收缩率从66%提高至74%,淬火组织的消除使盘条变形能力明显优化,避免少量或极少量马氏体组织无法协同变形而产生的心部孔洞或拉拔断裂,经用户多规格批量使用,未发生塑性开裂问题。

关键词：锅炉扁钢 12Cr1MoV钢形变能形变诱导相变马氏体

P2RX1对浆液性卵巢癌患者的预后判断价值及其在免疫浸润机制中的作用

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癌变．畸变．突变 2024年第3期36卷 208-218页

作者：宋珍明于运亮杨金梅刘坤盖婵婵马春宇锦州医科大学基础医学院辽宁锦州121001 滨州医学院烟台附属医院检验科山东烟台264100

目的:探讨嘌呤能受体X1(P2RX1)与浆液性卵巢癌(OV)患者的临床病理指标及肿瘤微环境免疫细胞浸润的关系,为OV免疫治疗提供新的线索。方法:以OV患者的血清和卵巢癌组织为研究对象,分别以健康成年人和非癌症患者为对照,采用免疫组织化学(I... 详细信息

目的:探讨嘌呤能受体X1(P2RX1)与浆液性卵巢癌(OV)患者的临床病理指标及肿瘤微环境免疫细胞浸润的关系,为OV免疫治疗提供新的线索。方法:以OV患者的血清和卵巢癌组织为研究对象,分别以健康成年人和非癌症患者为对照,采用免疫组织化学(IHC)、逆转录荧光定量PCR(RT-qPCR)、酶联免疫吸附试验(ELISA)及生物信息学方法研究OV中P2RX1的表达模式。利用TCGA数据库分析P2RX1 mRNA的表达水平与OV患者不同临床病理指标的相关性;筛选差异基因,分析OV中P2RX1参与的信号通路及其生物学功能;分析P2RX1与免疫细胞浸润丰度、肿瘤免疫相关基因、免疫检查点等的相关性。结果:IHC检测结果显示,P2RX1主要表达于正常卵巢上皮中;RT-qPCR检测结果显示,与非癌组织相比,P2RX1 mRNA在OV中低表达(P0.4,P<0.05)。结论:在OV中P2RX1的低表达与患者预后不良有关,P2RX1可能参与OV肿瘤微环境免疫细胞浸润、分化等进程。

关键词：嘌呤能受体X1 浆液性卵巢癌预后免疫治疗

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中药干预脑卒中后细胞焦亡的研究进展

中华中医药学刊 2024年第4期42卷 78-83页

作者：苏晶刘立明丁盈月王新娜王旭马春玉郑尧汪子涵王希元赵德喜长春中医药大学吉林长春130117 长春中医药大学附属医院吉林长春130021

脑卒中(简称“卒中”)已成为全球第二大死亡与残疾原因,给个人、家庭和社会造成沉重的负担。脑细胞的损伤和死亡是影响卒中患者神经功能、预后及生存质量的关键因素。炎症反应是卒中发生发展中的关键病理环节。研究表明,细胞焦亡放大了... 详细信息

脑卒中(简称“卒中”)已成为全球第二大死亡与残疾原因,给个人、家庭和社会造成沉重的负担。脑细胞的损伤和死亡是影响卒中患者神经功能、预后及生存质量的关键因素。炎症反应是卒中发生发展中的关键病理环节。研究表明,细胞焦亡放大了炎症反应,加重了卒中后病理及神经功能损害。细胞焦亡作为一种新型促炎性程序性细胞死亡方式,在卒中病程中扮演着重要的角色。抑制细胞焦亡可调节脑细胞损伤和死亡的进程,起到神经保护性作用。中药防治卒中具有多通路、多靶点及不良反应较少等独特优势,且疗效显著。中药调控细胞焦亡的机制研究是该领域的新热点。依据国内外相关研究,从细胞焦亡概述、作用机制、信号通路、在卒中治疗中的应用及基于细胞焦亡的中药研究等方面进行了整理与总结,为进一步提升中药干预卒中的疗效提供新思路。

关键词：细胞焦亡脑卒中脑出血脑梗死中药

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Simulation and forecasting of fishery weather based on statistical machine learning

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Information Processing in Agriculture 2024年第1期11卷 127-142页

作者： Xueqian Fu chunyu Zhang Fuhao Chang Lingling Han Xiaolong Zhao Zhengjie Wang Qiaoyu ma National Innovation Center for Digital Fishery China Agricultural UniversityBeijingChina Key Laboratory of Smart Farming Technologies for Aquatic Animal and Livestock Ministry of Agriculture and Rural AffairsBeijingChina Beijing Engineering and Technology Research Center for Internet of Things in Agriculture BeijingChina College of Information and Electrical Engineering China Agricultural UniversityBeijingChina

As the new generation of artificial intelligence(AI)continues to evolve,weather big data and statistical machine learning(SML)technologies complement each other and are deeply integrated to significantly improve the processing and forecasting accuracy of fishery *** fishery weather services play a crucial role in fishery production,serving as a great safeguard for economic benefits and personal safety,enabling fishermen to carry out fishery production better,and contributing to the sustainable development of the fishery *** objective of this paper is to offer an understanding of the present state of research and development in SML technology for simulating and forecasting fishery ***,we analyze the current state of research and technical features of SML in weather and summarize the applications of SML in simulation and forecasting of fishery weather,which mainly include three aspects:fishery weather scenario generation,fishery weather forecasting,and fishery extreme weather *** also illustrate the main technical means and principles of SML ***,we summarize the most advanced SML fields and provide an outlook on their application value in the field of fishery weather.

关键词： Fishery weather Statistical machine learning Weather generation Weather forecasting Extreme weather warning