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LGBTQIA+ victimization: A theoretical discourse
Sexuality, Gender &Policy, Volume 6, Issue 4, Page 253-262, November 2023., 2023 Abstract This paper draws on social construction and broken window theories as theoretical frameworks to explain how LGBTQIA+ are victimized due to discrimination and nonacceptance in their communities. Homosexual groups face a high risk of violence, discrimination, and prejudice because of their sexual orientation.
Ephraim Kevin Sibanyoni +2 more
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Policy &Internet, Volume 15, Issue 3, Page 306-326, September 2023., 2023 Abstract Native American reservations are faced with a growing need for High‐speed Internet and broadband access but face a variety of barriers to broadband infrastructure deployment. This paper discusses the difficulties tribal nations have faced in developing their education, economy, and access to healthcare and public safety due to the roadblocks ...
Karina V. Korostelina, Jocelyn Barrett
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Making a case for the consideration of trust, justice, and power in conservation relationships
Conservation Biology, Volume 36, Issue 4, August 2022., 2022 Abstract In conservation, trust and justice are increasingly recognized as both intrinsically valuable and critical for successful socioecological outcomes. However, the interdependence between these concepts has not been explored. The conservation trust literature provides examples of efforts to build trust between conservationists and local actors ...
Omar Saif, Aidan Keane, Sam Staddon
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Gaoya dianqi, 2022 电磁斥力的驱动时间关系到电磁斥力机构的驱动效率及所受冲击应力大小，该文提出优化电磁斥力驱动时间的研究思路，分别建立了线圈—盘式电磁斥力机构的有限元仿真模型及柔性体仿真模型，在输入能量一定的前提下，通过改变电容容量及其充电电压值来调整电磁斥力驱动时间，在此基础上研究其对电磁斥力机构驱动效果、运动过程及结构应力的影响。研究表明：在保证快速机械开关能够有效开断的范围内，充电电容越大，电磁斥力脉宽越大峰值越小，驱动时间越长，电磁斥力机构驱动效率越高，斥力盘内结构应力峰值越小，但缓冲装置所受冲击也越大 ...
刘俊翔, 彭和平, 莫文雄, 王勇
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Gaoya dianqi, 2021 针对高压直流断路器的电磁斥力机构,提出了一种优化机构结构参数的方法。首先运用场路耦合方法对电磁斥力机构建立模型,利用有限元方法进行电磁场计算,分析了斥力盘结构参数、线圈结构参数、放电电容电容值和预充电压变化对动态特性的影响。以电流峰值、电磁斥力峰值、2 ms时刻位移值和速度值作为目标函数,利用神经网络算法,拟合了斥力机构结构参数与目标函数之间的关系,从而对斥力机构的结构进行了优化设计。优化结果表明,在不增大2 ms时刻运动速度条件下,初始运动速度和2 ms时刻位移均得到提高,改善了机构的动态性能 ...
孟洲恬, 淡淑恒
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40.5 kV/50 kA真空开关用双层线圈式快速斥力机构驱动技术的仿真研究
Gaoya dianqi, 2023 对于高电压大开断容量的真空断路器，为了实现运动机构在长开距下的快速驱动，文中提出一种双层线圈式快速斥力机构来产生更大的电磁斥力，建立仿真模型模拟其运动特性。研究了金属盘厚度、线圈内径、线圈匝数和初始间隙等参数对快速电磁斥力机构运动特性的影响，结果表明：仿真结果与实验结果比较吻合，得出了一般性的设计指导原则。双层线圈式快速斥力机构能够快速动作，满足故障限流器快速开断电路的要求。分闸期间电磁排斥的上升时间非常短，下降时间相对较长，并且电磁排斥力的峰值很大。在此基础上，设计了一种新型排斥线圈放电电路 ...
王立军 +9 more
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Gaoya dianqi, 2022 针对直流电网对快速真空开关分闸要求高的问题，提出了一种基于电磁斥力—永磁保持式机构的快速真空开关。利用有限元方法对永磁保持机构保持力和电磁斥力—永磁保持式机构分闸动作过程多物理场进行仿真分析，得出了永磁体厚度和静铁心内部厚度对永磁保持机构保持力的影响，掌握了变化量对机构分闸动作过程的影响。通过对基于电磁斥力—永磁保持式机构的快速真空开关样机的分闸特性测试，与仿真结果具有高度一致性，证明其正确性，对后续此类机构的优化设计具有指导意义。
张公一 +6 more
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基于多策略粒子群算法的500 kV直流断路器用快速机械开关优化设计
Gaoya dianqi, 2022 快速机械开关作为混合式直流断路器系统的关键设备,其操动机构多选用电磁斥力机构,电磁斥力机构的磁场电场相互耦合,仅通过控制变量法难以从整体上对电磁斥力机构进行优化设计。为此,提出一种多策略改进粒子群算法,并将其应用到斥力机构的参数优化中。首先,利用Ansoft Maxwell仿真分析了电磁斥力机构的线圈盘尺寸、金属盘尺寸和放电回路参数对快速机械开关动态性能的影响,确定了主要的优化设计参数;其次,针对基本粒子群的缺陷,结合重开端及反向学习策略进行改进并验证了改进后算法的优势性;最后 ...
方春恩 +5 more
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Ecology and Evolution, Volume 16, Issue 5, May 2026.This study reveals a shift in woody plant community assembly from competitive exclusion in early succession to habitat filtering in later stages within karst areas. Environmental distance (80.54%) contributed significantly more than geographical distance (9.95%), providing strong quantitative evidence that niche processes, particularly habitat ...
Hongfen Hu +5 more
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Policy Studies Journal, Volume 54, Issue 2, May 2026.ABSTRACT Why did Australia go from the White Australia Policy, which excluded non‐whites, to institutionalizing multiculturalism policy in the 1970s? This question defies traditional political ideologies of the major political parties, which had long supported the White Australia Policy. This article is a rare empirical demonstration of the Five‐Thread
Julius C. S. Mok
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