Results 91 to 100 of about 1,061,235 (143)

“The Land's Been Queer Longer Than the Colonizers Have Been Here. Hiy Hiy.” Impacts of Anti‐Queer and Trans Policies and Resistance Through Art, Queer Joy, and Worldmaking Among Youth

open access: yesSexuality, Gender &Policy, Volume 9, Issue 4, November 2026.
ABSTRACT This study explores how 2SLGBTQ+ youth in Alberta, Canada—the country's most Conservative province—mobilize queer joy as a form of resistance amid rising anti‐queer and anti‐trans policies under a settler colonial, cisheteropatriarchal regime. Drawing from youth‐produced collages, we demonstrate that this visual arts‐based participatory method
JJ Wright, Gillian Robinson
wiley   +1 more source

带有防护外壳的阿基米德桥

open access: yes, 2005
本发明公开了一种带有防护外壳的阿基米德桥,该桥包括管体及其支撑结构,管体外设置有一外壳,该外壳的内表面与管体外表面之间留有适当间隙,外壳与管体通过若干弹性件柔性连接,外壳可相对管体在一定范围内活动。在阿基米德桥的管体外部设置防护外壳后,当有动态载荷存在时,动态外载荷首先加载到外壳上,外壳再通过弹性件传递给管体,弹性件在传递载荷的过程中将缓解动态载荷并部分吸收,尤其是在壳体上设置通孔后,当外壳在动态载荷的作用下相对管体发生运动时,外壳与管体之间的水被从壳体上的通孔挤出 ...
姜俊成, 洪友士, 李岐, 董满生
core   +1 more source

体外循环管理中的意外和处理

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 1982
体外循环是心内直视手术成功的重要因素之一,而人工心肺机的性能和体外循环的管理技术更是决定治疗效果的两个重要因素。随着心脏外科的发展,复杂的心内手术会使操作时间延长,如何才能做到体外循环安全可靠则仍然是一个重要的问题。我院近年来在体外循环手术的人工心肺机管理工作中,虽然积累了一些经验,但也有不少教训。在456例体外循环心内直视手术中,曾因电源中断、人工心机变压器烧毁、氧合器漏血或因氧合器组件粘合不密闭漏氧而产生大气泡,动脉泵管或过滤网袋破裂及机血凝固等27例意外(占5.9%,见表1 ...
朱永年
doaj  

两端结构中长波同时响应量子阱红外探测器及其制作方法

open access: yes
一种两端结构中长波同时响应量子阱红外探测器,包括:一半绝缘半导体GaAs衬底;一第一半导体GaAs接触层,制作在半绝缘半导体GaAs衬底上;一第一多量子阱红外探测器,制作在第一半导体GaAs接触层上,该第一半导体GaAs接触层的一侧形成一台面;一第二半导体GaAs接触层,制作在第一多量子阱红外探测器上;一第二多量子阱红外探测器,制作在第二半导体GaAs接触层上;一第三半导体GaAs接触层,制作在第二多量子阱红外探测器上 ...
霍永恒   +4 more
core  

First, He Was Adam, and Then, She Was Eve

open access: yesSexuality, Gender &Policy, Volume 9, Issue 4, November 2026.
ABSTRACT Trans* is an umbrella term that is used to describe people who identify with a gender that is different from their assigned sex at birth. There has been a marked increase in young people presenting to child and adolescent mental health services due to a lack of specialist gender clinics in the United Kingdom.
Corey Hartley   +2 more
wiley   +1 more source

RVG修饰的间充质干细胞外泌体通过转变小胶质细胞极性治疗强迫症

open access: yesZhongshan Daxue xuebao. Yixue kexue ban
目的为了探究狂犬病毒糖蛋白(RVG)修饰的间充质干细胞外泌体对强迫症小鼠模型的治疗效果,明确外泌体治疗强迫症的疗效以及探究其发挥作用的机制。方法提取原代小鼠脂肪来源的间充质干细胞,使用病毒感染获得过表达RVG的间充质干细胞外泌体,并通过粒径分析、Western blot、透射电镜表征外泌体。利用喹吡罗构建强迫症小鼠模型,将小鼠分为5组:对照组、模型组、氯米帕明(CMI)组、间充质干细胞外泌体(MSC-EXO)组、RVG修饰的间充质干细胞外泌体(RVG-MSC-EXO)组,并通过行为学实验如强迫检查、旷场、
韦淳仁   +4 more
doaj  

外泌体来源的长链非编码RNA在癌症诊断及治疗中的研究进展

open access: yesZhongguo shiyan zhenduanxue, 2019
外泌体是由脂质双层膜包裹的,含有蛋白质、多肽和核酸的纳米级细胞外囊泡。目前已经从外泌体中鉴定出4563余种蛋白质、194余种脂类、1639余种mRNA、764余种miRNA等非编码RNA (lncRNAs)以及mtDNA、ssDNA和dsDNA等[1,2]。外泌体含有的多种功能性核酸及蛋白质,在细胞物质转运和信息传递过程中发挥重要作用,影响着细胞的生长与分化。近年来研究表明,lncRNA了参与细胞增殖、分化、染色体重塑、表观遗传调控、转录和转录后修饰等多种生物学过程,也引起大家越来越多的关注 ...
薛婷, 姜义, 史莹, 张颖超
doaj  

GeSn合金的外延生长方法

open access: yes
一种GeSn合金的外延生长方法,包括如下步骤:步骤1:将一Sn固体金属作为Sn源材料置入真空腔的Sn固体源炉中;步骤2:将一衬底置入分子束外延源炉的真空腔的加热器上,对真空腔抽真空,对衬底加热;步骤3:对Sn固体金属加热,使Sn固体金属熔化,蒸发产生Sn的原子,打开挡板,使Sn原子到达衬底表面;步骤4:向分子束外延源炉的真空腔内通入含有Ge的化合物气体,使Ge原子淀积到衬底表面 ...
左玉华   +7 more
core  

Environmental Justice in the Brazilian Coastal Food Systems: Policies, Institutions, and Knowledges on Small‐Scale Fishers and Energy Development

open access: yesWorld Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT This study explores environmental justice issues in coastal food systems, focusing on conflicts between small‐scale fisheries and the energy sector due to differing goals in managing food and energy sources. It does so by examining the interdependence between institutions, policies, and different types of knowledge; key elements in building ...
Mateus Henrique Amaral   +6 more
wiley   +1 more source

雷达测速传感器外壳

open access: yes, 2014
1.本外观设计产品的名称:雷达测速传感器外壳。2.本外观设计产品的用途:本外观设计产品用于交通领域车辆速度测量传感器。3.本外观设计产品的设计要点:在于雷达测速传感器外壳的形状。4.最能表明本外观设计设计要点的图片或照片 ...
毕欣   +4 more
core  

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