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教师时间异化的表征及其复归

当代教育科学 2024年第4期 62-70页

作者：张意忠陈琪江西师范大学教育研究院南昌330022 江西师范大学教育学院南昌330022

在速度至上、效率优先的现代社会,教师的时间常常被异化。他们受时间裹挟,不能自由地支配时间,成为时间的工具,这种异化表征为无限延长的工作时间、失却连续的断裂时间、缺少边界的模糊时间、无法控制的加速时间、失去自我的规训时间与... 详细信息

在速度至上、效率优先的现代社会,教师的时间常常被异化。他们受时间裹挟,不能自由地支配时间,成为时间的工具,这种异化表征为无限延长的工作时间、失却连续的断裂时间、缺少边界的模糊时间、无法控制的加速时间、失去自我的规训时间与缺乏效率的平庸时间。究其缘由,主要在于网络技术打破时间边界、钟表时间重视速度、行政部门传导压力与学校管理追求效率等因素的相互叠加。对此,教师自身应加强信息管控力,合理利用网络资源;政府要厘清教师职责边界,使其摆脱案牍之劳形;学校应克服时间功利倾向,给教师时间“留白”,赋予教师自由时间,让他们安心教学。

关键词：教师时间规训时间异化时间复归

硕士研究生学业时间管理的差异性分析及其对策建议——以J大学为例

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当代教育理论与实践 2024年第2期16卷 141-147页

作者：陈梦琪张意忠吉安职业技术学院木林森学院江西吉安343000 江西师范大学教育研究院江西南昌330022

硕士研究生的学业时间具有自身的特点,对其管理遵循时间要求,有利于提升学业效率。通过对443位硕士研究生的调查发现,他们的学业时间观念较强,其中主动利用时间观念表现最好,但时间感知相对最弱。在学业时间分配上,总体来看相对合理,课... 详细信息

硕士研究生的学业时间具有自身的特点,对其管理遵循时间要求,有利于提升学业效率。通过对443位硕士研究生的调查发现,他们的学业时间观念较强,其中主动利用时间观念表现最好,但时间感知相对最弱。在学业时间分配上,总体来看相对合理,课程学习时间多,但科研时间分配不均,自主学习时间少。此外,学业时间管理在性别、年级、专业及职务上存在差异。学业时间使用方面存在时间深度不够、边界模糊、节奏较快的问题。对此进行了原因分析,提出了相应的对策。

关键词：硕士研究生学业时间时间管理深度时间

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带钢热镀锌锌渣缺陷形成机理及控制措施

电镀与精饰 2024年第9期46卷 83-92页

作者：刘石双袁天祥刘延强张良黄立春张逸忠首钢京唐钢铁联合有限责任公司制造部河北唐山063200 首钢京唐钢铁联合有限责任公司冷轧作业部河北唐山063200

带钢连续热镀锌是目前应用最广泛且具有经济性的防腐技术。然而,热镀锌过程难免会产生锌渣,锌渣的形成不仅会造成锌资源的损失,也会严重影响带钢的表面质量,因此控制锌渣的形成是带钢热镀锌质量控制的关键点。笔者综述了近年来国内外带... 详细信息

带钢连续热镀锌是目前应用最广泛且具有经济性的防腐技术。然而,热镀锌过程难免会产生锌渣,锌渣的形成不仅会造成锌资源的损失,也会严重影响带钢的表面质量,因此控制锌渣的形成是带钢热镀锌质量控制的关键点。笔者综述了近年来国内外带钢连续热镀锌锌渣缺陷的研究现状,分析了锌渣的形成机理,探讨了锌渣的影响因素,总结了锌渣的控制措施,证明通过一系列设备改进、工艺优化和规范操作等调整,可有效减少锌渣、降低锌耗、节省成本、提高质量。同时,对热镀锌技术锌渣缺陷的进一步有效预防与控制进行了展望。

关键词：热镀锌锌渣缺陷形成机理影响因素控制措施

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养心安神类中药饮片及制剂临床应用研究进展

中国现代应用药学 2024年第13期41卷 1853-1863页

作者：冯佳锐凃鑫张宜仲田琦黄丽思刘立丽鲍康德王丹浙江理工大学生命科学与医药学院杭州310018 浙江省家蚕生物反应器和生物医药重点实验室杭州310063 浙江国邦药业有限公司药物研究所浙江绍兴312369

因生活和工作压力所引起的心烦失眠已严重影响到现代人的身心健康,并诱发诸多疾病。养心安神类中药质量稳定,对治疗失眠疗效显著,不良反应较少,且无镇静催眠类化学药的依赖性。养心安神类中药饮片及制剂按其功能可分为养心安神药和重镇... 详细信息

因生活和工作压力所引起的心烦失眠已严重影响到现代人的身心健康,并诱发诸多疾病。养心安神类中药质量稳定,对治疗失眠疗效显著,不良反应较少,且无镇静催眠类化学药的依赖性。养心安神类中药饮片及制剂按其功能可分为养心安神药和重镇安神药,其活性成分主要有黄酮类、生物碱类、有机酸类、多糖类、氨基酸类和维生素类等,临床多用于心血管疾病治疗和中枢神经抑制。本文对其种类、有效成分、发展趋势及其临床应用现状进行综述,以期为养心安神类药物在临床应用及相关药物的研发提供参考。

关键词：养心安神中药饮片中药制剂临床应用

山楂核的热解气化特性及其活性炭的制备与吸附性能研究

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环境工程 2024年第3期42卷 147-155页

作者：马宇辉张艺钟郭健霍汉鑫自然资源部天津海水淡化与综合利用研究所环境功能材料创新团队天津300192 山东四海水处理科技股份有限公司山东潍坊262500 生态环境部土壤与农业农村生态环境监管技术中心北京100012

以山楂核为原料,通过热解炭化-CO_(2)活化两步法制备颗粒活性炭。基于热重分析-傅里叶红外光谱联用技术(TG-FTIR),研究了山楂核的热解炭化和山楂核炭化物的CO_(2)气化特性,对山楂核炭化物和活性炭的物理化学性质进行了表征和比较,研究... 详细信息

以山楂核为原料,通过热解炭化-CO_(2)活化两步法制备颗粒活性炭。基于热重分析-傅里叶红外光谱联用技术(TG-FTIR),研究了山楂核的热解炭化和山楂核炭化物的CO_(2)气化特性,对山楂核炭化物和活性炭的物理化学性质进行了表征和比较,研究了活性炭对水中洛美沙星的吸附等温线模型,并设计了一种新型悬浮式活性炭吸附袋,模拟了其净化洛美沙星污染水体的应用场景。结果表明:山楂核的主要热解温度区间为230~420℃,挥发性热解产物主要为CO_(2)、乙酸、糠醛、左旋葡萄糖。山楂核炭与CO_(2)之间的气化反应的起始温度为850℃,主要产物为CO。当炭化温度为600℃,炭化时间为120 min,活化温度为900℃,活化时间为90 min,CO_(2)流量为200 mL/min,活性炭的比表面积和总孔体积分别达到870 m^(2)/g和0.483 cm^(3)/g。活性炭对洛美沙星吸附过程可用Langmuir模型描述,其最大单分子层吸附量为137 mg/g。在静置条件下,悬浮式活性炭吸附袋可有效去除水中洛美沙星,其吸附动力学符合拟二级动力学模型。

关键词：山楂核活性炭热解气化 CO_(2)活化洛美沙星

Expression and Interaction Analysis of FAZ1 Protein in Brassica oleracea

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Phyton-International Journal of Experimental Botany 2021年第6期90卷 1599-1612页

作者： Hecui zhang Xiaoping Lian yizhong zhang Tonghong Zuo Chongmo Yuan Qinqin Xie Liquan Zhu College of Agronomy and Biotechnology Southwest UniversityChongqing400715China State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan School of AgricultureYunnan UniversityKunming650091China

To identify and characterize genes involved in reproductive tissue abscission in Brassica oleracea,the transcript data of pollinated pistil was analyzed.A differentially expressed gene,named BoFAZ1(FLOWER ABSCISSION ZONE1)was identified,which contains one exon and encompass a ***,a T-DNA insertion mutant(SALK_302_G01)(faz1 mutant)was obtained from Arabidopsis thaliana mutant *** organ shedding from mutants was delayed and a V-shaped structure in the boundary region between the stalk and torus of the sepal abscission zone was obtained in faz1 *** cell density of this structure was lower than that of the corresponding region in the wild-type *** the transgenic plants,the normal development of the stalk zone of faz1 was recovered completely by transforming a 1919-bp DNA fragment of BoFAZ1 into the faz1 *** Addition,our data showed that BoFAZ1 was expressed in mature pollen grains,but not in the bracts,roots,stems,leaves,and *** expression in the filaments,stigma,and pistil exfoliation layer gradually increased after *** localization experiments showed that BoFAZ1 was located in the cell membrane.A myristoylation site was found at the N-terminus of *** of this site resulted in protein dislocation in the cytoplasm,cell membrane and ***,a yeast two-hybrid test indicated that BoH3.2(histone H3.2),a protein involved in abscission zone development,interacted with *** interaction was verified by a GST pull-down *** summary,our data indicated that BoFAZ1 was involved in the formation of the pistil abscission zone in ***.

关键词： Abscission AZ B.oleracea flower development organ boundary

Novel reusable sulfate-type zirconium alginate ion-exchanger for fluoride removal

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Chinese Chemical Letters 2021年第11期32卷 3410-3415页

作者： Tao Yua Yiliang Chen yizhong zhang Xin Tan Tao Xie Boyu Shao Xiang Huang School of Chemical Engineering and Technology Tianjin UniversityTianjin 300350China School of Environmental Science and Engineering Tianjin UniversityTianjin 300350China School of Science Tibet UniversityLhasa 850000China

It is still a challenge to eliminate efficiently fluoride ion from groundwater,especially to design and synthesis an adsorbent possessing high adsorption capacity,recyclability and wide pH application *** we present millimeter-sized sulfate-type zirconium alginate hydrogel beads with 3D network structure(AHB@Zr-SO^(2−)_(4))that exhibited a maximum adsorption capacity of 101.3 mg/g with wide pH applicability(pH 3−9).This material have~2.5 times higher adsorption capacity than that of pure zirconium alginate hydrogel beads(AHB@Zr)and it was ascribed to ion exchange between SO^(2−)_(4)and F−on the surface of AHB@Zr-SO^(2−)_(4),which was verified via ion chromatography measurement coupled with X-ray photoelectron spectroscopy(XPS)and Fourier Transform Infrared Spectrometer(FTIR Spectrometer)*** functional theory(DFT)calculations indicated that the ion exchange process between SO^(2−)_(4)and F−in AHB@Zr-SO^(2−)_(4)was energetically favorable than OH^(−)and F^(−)in AHB@*** addition,310 bed volumes(BV)of effluent was realized via column adsorption of groundwater containing fluoride on AHB@Zr-SO^(2−)_(4)and indicated that it is a promising candidate for mitigating the problem of fluoride-containing groundwater.

关键词： Fluoride ion Zirconium alginate Sulfate Adsorption capacity Ion exchange

Amorphous molybdenum sulfide mediated EDTA with multiple active sites to boost heavy metal ions removal

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Chinese Chemical Letters 2021年第9期32卷 2797-2802页

作者： Qi Huang yizhong zhang Wei Zhou Xiang Huang Yiliang Chena Xin Tan Tao Yu School of Chemical Engineering and Technology Tianjin UniversityTianjin 300350China School of Environmental Science and Engineering Tianjin UniversityTianjin 300350China School of Science Tibet UniversityLhasa 850000China School of Science Tianjin UniversityTianjin 300350China Research Center of Environmental Pollution Control Engineering Technology Chinese Research Academy of Environmental SciencesBeijing 100012China

The rational design of strong affinity adsorbents for heavy metal ions removal remains a critical challenge for water *** this study,amorphous molybdenum sulfide composites(EDTA-MoSx(x=2,3))were fabricated via a facile hydrothermal method mediated by EDTA,which was applied to heavy metal ions(Cu^(2+),Cd^(2+),Pb^(2+),Zn^(2+)and Ni^(2+))removal from aqueous solutions.A case study for Cu^(2+)ions showed that the adsorption capacity of EDTA-MoSx(x=2,3)was superior to crystalline phase MoS2 at pH 6.0 with an initial concentration of 200 mg/*** mechanisms of different sulfide groups and—COOH of EDTA-MoSx(x=2,3)were verified systematically via a series of experiments,characterizations,and density functional theory(DFT)*** bridging S_(2)^(2-)and—COOH covalently bonded with Cu^(2+)ions were ascribed to the critical factors for this enhanced removal efficiency on the surface of EDTA-MoSx(x=2,3).This work offers a new method to enhance the adsorption performance of molybdenum sulfide-based materials by controlling crystallinity mediated with an organic complex small molecule.

关键词： Amorphous phase MoS_(2) MoS_(3) Adsorption Heavy metal ions DFT calculations

Preperitoneal space, is it an ideal layer for endoscopic sublay repair of ventral hernia?

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Chinese Medical Journal 2022年第15期135卷 1855-1857页

作者： Weidong Wu Huiyong Jiang Rui Tang Xiangzhen Meng Guozhong Liu yizhong zhang Nan Liu Nina Wei Department of Gastrointestinal Surgery Shanghai General HospitalShanghai 200080China Department Two of General Surgery Zhongyi Northeast International HospitalShenyangLiaoning 110623China Department of Hernia and Abdominal Wall Surgery East Hospital Afliated to Tongji UniversityShanghai 200120China Department of General Surger Shengjing Hospital ffliated China Medical UniversityShenyangLiaoning 110004China Department of Hepatopancreatoiliary and Hernia Surgery First Affliated Hospital of Fujian Medial UniversitFuzhouFujian 350005China Department of Gastrointestinal Surgery The Affliated Hospital of Medical School of Ningbo UniversityNingboZhejiang 315010China

Earlier,the major surgical treatments for ventral hernia were open sublay repair and laparoscopic intraperitoneal onlaymesh(Lap-IPOM)*** is an effective and safe'plane.

关键词： peritoneal hernia repair