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从每一个学生开始:全球学生流动与2030年联合国可持续发展议程

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教育国际交流

教育国际交流 2024年第1期 60-64页

作者： tim White 刘媛(译) 新加坡南洋理工大学国际交流处不详

今天的学生对当下和未来全球社会经济和环境面临的挑战具有敏锐的感知力。如何让年轻一代的学者们在分析和处理问题时从容不迫且好谋善断,成了大学的当务之急。而可持续的解决方案不是哪一个国家凭一己之力就可以独立完成,更何况仅囿于... 详细信息

今天的学生对当下和未来全球社会经济和环境面临的挑战具有敏锐的感知力。如何让年轻一代的学者们在分析和处理问题时从容不迫且好谋善断,成了大学的当务之急。而可持续的解决方案不是哪一个国家凭一己之力就可以独立完成,更何况仅囿于本国情况的解决方案往往不尽如人意。因此,大学课程必须能让学生在思考时不拘泥于自己的学科,学会分析和创新,以全局观在全球系统框架内解决问题。本文重点介绍分析了新加坡南洋理工大学(NTU)如何在《联合国2030年可持续发展议程》的背景下为本科生和研究生提供体验式教育课程。

关键词：体验式教育大学课程全局观感知力每一个学生系统框架新加坡南洋理工大学联合国

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勇闯金三角！琅南塔丛林探险记

环球人文地理 2024年第11期 110-119页

作者：周运 Curioso.Photography tim 夏师傅

金三角地区常被旅行者忽略，而在老挝北部的琅南塔省，作者竟在丛林玩起了“铁人三项”：骑行、徒步、划艇……老挝北部的琅南塔省，与云南西双版纳以及缅甸接壤，属于一度令人闻风丧胆的“金三角”地区。特殊的地理位置使之游离于旅行...

金三角地区常被旅行者忽略，而在老挝北部的琅南塔省，作者竟在丛林玩起了“铁人三项”：骑行、徒步、划艇……老挝北部的琅南塔省，与云南西双版纳以及缅甸接壤，属于一度令人闻风丧胆的“金三角”地区。特殊的地理位置使之游离于旅行者视线之外，至今仍是一片未被过度开发的区域。得益于默默无闻，反倒让它保存了完整的生态系统和原汁原味的人文景观。我们有幸受到老挝文旅中心的邀请，在琅南塔腹地进行了历时三天的丛林探险。

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猛虎与蔷薇顶级捕食者和守护它的姑娘们

环球人文地理 2024年第1期 72-79页

作者：鲨鲨邹璟 Henner Damke EwaStudio The Len tim

明知山有虎，偏向虎山行。一支中国女子巡护队日复一日，年复一年，行走在茫茫雪原，以蔷薇之心，常伴猛虎左右。近一个世纪前，由于种种原因，野生东北虎数量急速锐减，直至近年处境才慢慢好转。而纪录片《女子巡“虎”队》的播出，让...

明知山有虎，偏向虎山行。一支中国女子巡护队日复一日，年复一年，行走在茫茫雪原，以蔷薇之心，常伴猛虎左右。近一个世纪前，由于种种原因，野生东北虎数量急速锐减，直至近年处境才慢慢好转。而纪录片《女子巡“虎”队》的播出，让东北虎豹国家公园女子巡护队走入了大众视野，人们这才了解到野生东北虎保护工作的不易，也直观地认识到什么叫做巾帼不让须眉。

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OPEN PARK别墅

现代装饰 2024年第1期 144-151页

作者： tim Van de Velde(摄影) 范嘉苑(编译) 不详

本案位于荷兰林堡省,其所在的住宅绿地由一块前军事用地改造而成。这片绿地拥有43块宽敬的地块,坐落于树木繁茂的环境之中,同时尽可能地保留了原有的网格和绿化结构。最终形成了一个宁静、开阔且绿意益然的高品质住宅区。项目的设计细... 详细信息

本案位于荷兰林堡省,其所在的住宅绿地由一块前军事用地改造而成。这片绿地拥有43块宽敬的地块,坐落于树木繁茂的环境之中,同时尽可能地保留了原有的网格和绿化结构。最终形成了一个宁静、开阔且绿意益然的高品质住宅区。项目的设计细致地考虑了环境的多样性。交融的树木、不同的层高和狭长的视野创造出一种多样化的居住体验。不同于单一而紧凑的外部体块的零散排布形式,位于首层的居住空间平铺开来,形成了室内的连接空间,这样的设计也为之创造出层次更为丰富的体验。

关键词：居住空间军事用地连接空间绿化结构居住体验别墅高品质住宅多样性

Piezo1 expression in chondrocytes controls endochondral ossification and osteoarthritis development

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Bone Research 2024年第1期12卷 199-214页

作者： Laura J.Brylka Assil-Ramin Alimy Miriam E.A.Tschaffon-Müller Shan Jiang Tobias Malte Ballhause Anke Baranowsky Simon von Kroge Julian Delsmann Eva Pawlus Kian Eghbalian Klaus Püschel Astrid Schoppa Melanie Haffner-Luntzer David J.Beech Frank timo Beil Michael Amling Johannes Keller Anita Ignatius timur A.Yorgan tim Rolvien Thorsten Schinke Department of Osteology and Biomechanics University Medical Center Hamburg-Eppendorf20246 HamburgGermany Department of Trauma and Orthopedic Surgery University Medical Center Hamburg-Eppendorf20246 HamburgGermany Institute of Orthopedic Research and Biomechanics University Medical Center UlmBadenWürttemberg89081 UlmGermany Department Legal Medicine University Medical Center Hamburg-Eppendorf20246 HamburgGermany Leeds Institute of Cardiovascular and Metabolic Medicine School of MedicineUniversity of LeedsLS29JT LeedsUK

Piezo proteins are mechanically activated ion channels,which are required for mechanosensing functions in a variety of cell *** we and others have previously demonstrated that the expression of Piezo1 in osteoblast lineage cells is essential for boneanabolic processes,there was only suggestive evidence indicating a role of Piezo1 and/or Piezo2 in *** we addressed the question if and how chondrocyte expression of the mechanosensitive proteins Piezo1 or Piezo2 controls physiological endochondral ossification and pathological osteoarthritis(OA)*** with chondrocyte-specific inactivation of Piezo1(Piezo1^(Col2a1Cre)),but not of Piezo2,developed a near absence of trabecular bone below the chondrogenic growth plate ***,all Piezo1^(Col2a1Cre) animals displayed multiple fractures of rib bones at 7 days of age,which were located close to the growth *** skeletal growth was only mildly affected in these mice,OA pathologies were markedly less pronounced compared to littermate controls at 60 weeks of ***,when OA was induced by anterior cruciate ligament transection,only the chondrocyte inactivation of Piezo1,not of Piezo2,resulted in attenuated articular cartilage ***,osteophyte formation and maturation were also reduced in Piezo1^(Col2a1Cre) *** further observed increased Piezo1 protein abundance in cartilaginous zones of human ***,we identified Ptgs2 and Ccn2 as potentially relevant Piezo1 downstream genes in ***,our data do not only demonstrate that Piezo1 is a critical regulator of physiological and pathological endochondral ossification processes,but also suggest that Piezo1 antagonists may be established as a novel approach to limit osteophyte formation in OA.

关键词： Piezo1 markedly ossification

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矿焦耦合冶金性能试验及评价方法

钢铁 2024年第2期59卷 44-54页

作者：汪琦宋阳升李廷乐李哲熙 timEvans 辽宁科技大学材料与冶金学院辽宁鞍山114051 力拓集团西澳大利亚州珀斯6000

铁矿石和焦炭在高炉内各区域的反应及特性是影响高炉炼铁效率和产量的重要因素,准确评价矿焦质量备受炼铁工作者关注。评价矿或焦冶金性能的试验方法及指标迅速发展,且部分方法已标准化,包括铁矿石软熔性能和焦炭反应性及反应后强度的... 详细信息

铁矿石和焦炭在高炉内各区域的反应及特性是影响高炉炼铁效率和产量的重要因素,准确评价矿焦质量备受炼铁工作者关注。评价矿或焦冶金性能的试验方法及指标迅速发展,且部分方法已标准化,包括铁矿石软熔性能和焦炭反应性及反应后强度的试验方法等被钢铁企业广泛采用。然而,通过现有评价矿或焦冶金性能的方法及指标推算高炉技术经济指标尚存难度。原因可能在于没有充分模拟矿焦在高炉中历经还原、溶损、软化-熔融全过程的相互作用,无法对矿焦关联行为及特性进行赋值并构建评价矿焦相互作用的指标体系。因此,提出了采用焦-矿-焦分层试料,模拟矿焦在高炉内还原、溶损、软化和熔融之间关联行为及特性的荷重-热重-气体分析联动试验装置,进行矿焦耦合性能试验及评价的方法(Qisunny法)。变矿或变焦试料的试验结果表明,矿焦耦合冶金性能按间接还原区、间接还原和直接还原及软化区、熔融直接还原和滴落直接还原4个区域依次演变;性能评价指标包括各区域的温度及区间、间接和直接还原度、总间接还原度、熔融区透气性特征值、上层焦炭溶损率及溶损后强度等;焦炭的溶损反应主要发生在熔融区,上层焦炭溶损率与传统指标焦炭反应性指数相近,但其反应后强度明显高于传统指标焦炭反应后强度指数。该方法为评价矿焦冶金性能之间的相互作用、优化矿焦炉料结构提供了一种全新的选择。

关键词：高炉铁矿石焦炭耦合冶金性能评价方法

Open Scrotal Trauma Complicated by Testicular Evisceration: An Unusual Injury after a Brawl in 2 Cases

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Open Journal of Urology 2024年第5期14卷 282-289页

作者： Atangana Cédric Paterson Savom Eric Patrick tim Fabrice Dikongue Diwondi Audrey Ngapanya Youssofa Etobe Cécile Akoa Manga Ismael Fodoung Wamba Danny Bang Guy Aristide Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaound&#233 Cameroon Department of Surgery General Hospital Yaounde Yaounde Cameroon Department of Visceral Surgery Yaound&#233 Central Hospital Yaounde Cameroon Faculty of Health Sciences University of Bamenda Bamenda Cameroon Department of Surgery Yaound&#233 University Hospital Yaounde Cameroon

Background: Scrotal trauma is a rare injury, and can compromise reproductive function. If in closed trauma, a morphological assessment of the lesion is usually necessary before treatment, in open trauma otherwise, namely in the case of testicular evisceration, surgical exploration is the rule. Objective: To present the management of open scrotal trauma. Case Presentation: These were two adults aged 42 and 63, admitted for post-traumatic testicular evisceration. One of the patients presented with signs of infection due to a diagnosis delay. Management consisted on surgical exploration, with scrotal debridement and testicular reintegration. The evolution was favourable. Conclusion: Open scrotal trauma is a rare lesion that can cause testicular evisceration. It requires surgical exploration, which should be systematic.

关键词： Scrotal Trauma Testicular Evisceration Infection Surgical Exploration

The Dallas Donation after Circulatory Death Transplantation Summit:expanding donation after circulatory death procedures through process improvement,broader utilization,and innovation

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Hepatobiliary Surgery and Nutrition 2024年第5期13卷 824-836,I0009页

作者： Michele Finotti Anji Wall Anthony D’Alessandro Gary Schwartz Chris Sonnenday David Goldberg Ashish Shah Peter Friend Jeff P.Orlowski Greg McKenna Steve Newton Brad Adams William C.Chapman Amit Mathur Marwan Abouljoud tim Pruett Amelia Hessheimer James F.Trotter Sumeet K.Asrani Giuliano Testa Simmons Transplant Institute Baylor University Medical CenterDallasTXUSA Hepatobiliary and General Surgery Unit Regional Hospital TrevisoDISCOGUniversity of PaduaPaduaItaly Division of Transplantation Department of SurgeryUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Department of Thoracic Surgery and Lung Transplantation Baylor University Medical CenterCenter for Advanced Heart and Lung DiseaseDallasTXUSA Department of Surgery University of MichiganAnn ArborMIUSA Division of Digestive Health and Liver Diseases Department of MedicineUniversity of Miami Miller School of MedicineMiamiFLUSA Department of Cardio-Thoracic Surgery Vanderbilt University Medical CenterNashvilleTNUSA Nuffield Department of Surgical Sciences University of OxfordOxfordUK LifeShare Transplant Donor Services of Oklahoma Oklahoma CityOKUSA Administration Baylor University Medical CenterDallasTXUSA Southwest Transplant Alliance DallasTXUSA Department of Surgery/Transplantation Washington UniversitySt.LouisMOUSA Division of Transplant Surgery Department of SurgeryMayo Clinic ArizonaAlix School of MedicinePhoenixAZUSA Divisions of Transplant and Hepatobiliary Surgery Henry Ford HospitalDetroitMIUSA Department of Surgery University of MinnesotaMinneapolisMNUSA General and Digestive Surgery Hospital Universitario La PazIdiPAZMadridSpain

Despite a significant increase in utilization over the past decade,the number of donation after circulatory death(DCD)organs that are procured and transplanted in the United States(US)remains well below its *** is still room for expansion,as utilizing DCD organs to the fullest extent is currently the most viable solution to the persistent mismatch between supply and demand in *** convened a multidisciplinary transplantation summit to examine various aspects of DCD,with faculty members from around the world with clinical and academic interest in DCD donation and transplantation,including abdominal and cardiothoracic surgeons,organ procurement organization directors,hepatologists,and *** conference focused on identifying barriers to DCD organ utilization and strategies to overcome these *** divide the barriers to DCD utilization into three mains categories:(Ⅰ)policy and process variation;(II)logistical and transportation challenges;and(Ⅲ)higher risk perceptions related to DCD *** each barrier,we proposed a variety of solutions,providing an overview of the status of DCD donation in the US and suggestions on how to increase the use of *** is a specific focus on ex situ machine perfusion,normothermic regional perfusion,and other opportunities to expand DCD utilization without negatively impacting recipient outcomes.

关键词： Donation after circulatory death donation(DCD donation) marginal graft donor pool machine perfusion(MP)

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湿型砂铸铝:打开新的视角

铸造 2024年第1期73卷 135-138页

作者： Per Larsen tim J.Baron 陈之伟(译) 刘溢(译) DISA Industries A/S 迪砂中国

许多汽车零部件已经用铸铝件替代以前的铸铁件。铸铝件在电动汽车的过渡中至关重要。随着汽车行业的成功转型,大批量的新型电动汽车传动系统铝部件应运而生,如电机壳和机盖。众所周知,湿型砂工艺能高效,可低成本生产出高质量的铸铁件。... 详细信息

许多汽车零部件已经用铸铝件替代以前的铸铁件。铸铝件在电动汽车的过渡中至关重要。随着汽车行业的成功转型,大批量的新型电动汽车传动系统铝部件应运而生,如电机壳和机盖。众所周知,湿型砂工艺能高效,可低成本生产出高质量的铸铁件。随着全球对铸铝件的需求不断上升,降低成本的压力不断加大,越来越多的铸造厂和制造商开始探索湿型砂生产铸铝件的运用。铸铁厂用湿型砂生产的优势成功转移到铸铝件,带来低成本、快速成形和灵活性等优点。

关键词：铸铝件湿型砂铸铁件低成本生产快速成形汽车零部件汽车传动系统电机壳

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