Results 111 to 120 of about 230,931 (257)
Topics as Outcomes: Modeling the Influence of Intergovernmental Grants on Policy Diffusion
Policy Studies Journal, EarlyView.ABSTRACT Intergovernmental grants stimulate the diffusion of policy reforms, as the federal government provides states with a financial incentive to adopt policies aligned with federal priorities. Less is known about the extent to which these grants also stimulate horizontal diffusion across states.
NaLette Brodnax, Sarah James
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Guangtongxin yanjiu, 2004 文章提出了一种仿真单模光纤数字传输系统的方法,在模型中分别对信号模型、光纤模型和器件模型逐一进行了分析,并分析了评价系统性能的误码率和眼图两个参数。
龙雷, 张驰, 周正利, 宋宁
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Policy Studies Journal, EarlyView.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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Policy Studies Journal, EarlyView.ABSTRACT This study examines the evolution of climate change discourse in the United States Congress from 1987 to 2017, employing natural language processing (NLP) techniques to analyze floor speeches. Using a la carte (ALC) word embeddings, we investigate how Democratic and Republican members of Congress frame climate change, focusing on denialist ...
Joseph Charles Van Matre +2 more
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Gaoya dianqi, 2016 变压器抗短路能力不足,严重影响了电网的运行安全,因而针对变压器绕组抗短路能力开展抗短路校核工作很有必要。目前在变压器绕组的理论建模方面,较多使用的是二维轴对称分区模型,少量也有使用具体的线饼模型。为了对比两种模型的仿真结果,文中首先分析了分区模型和线饼模型的特点,然后以一台220 k V三绕组的电力变压器为例,在ANSYS中计算和比较了这两种模型下绕组中的漏磁场及短路电动力的分布情况,结果显示两种模型计算有一定差异,但整体分布趋于一致。因此在精度要求不高的情况下 ...
徐肖伟 +7 more
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Resource Substitution: Local Governments' Issue Attention and Policy Reinvention
Policy Studies Journal, EarlyView.ABSTRACT Research on policy reinvention, where a government modifies rather than replicates policy innovations introduced by other governments, has progressed significantly, but how it is influenced by the government's issue attention has not been thoroughly examined.
Yingxin Zhang, Yixue Yao, Kaifeng Yang
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Democratic Values in Citizen Participation: What Citizens Prioritize in Participation
Policy Studies Journal, EarlyView.ABSTRACT Citizen participation is often initiated to strengthen democracy. While participatory innovations are typically assessed through normative frameworks emphasizing democratic values, little is known about which of these values are prioritized by citizens.
Take Sipma, Frank Hendriks
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Zhendong Ceshi yu Zhenduan为了描述减振器的动态特性，将集总参数模型和神经网络模型进行结合，提出了一种能够精确描述减振器非线性动态特性的集总参数‑神经网络联合模型。首先，在减振器测试台架上对一个减振器的动态特性进行测量，激励工况包括谐波激励和瞬态激励两大类，测试得到减振器的动态力响应；其次，提出了联合模型的集总参数建模方法与参数辨识方法，并使用谐波激励下的测试数据完成了模型参数辨识；然后，利用神经网络模型补偿减振器的力‑速度非线性特征；最后，使用联合模型计算在瞬态激励下减振器的输出力 ...
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Governing by Ambiguity: Sociotechnical Imaginaries of Platforms in China
Policy &Internet, Volume 18, Issue 2, June 2026.ABSTRACT Besides clear policy directives, the unresolved and open‐ended elements in policy communication also create discursive politics. This article argues that ambiguity in policy communication reflects the state's exercise of power within a fractured sociocultural landscape.
Fangyu Qing, Ngai Keung Chan
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Shuitu Baochi Xuebao, 2000 ANSWERS2 0 0 0是一个用于流域土壤侵蚀过程模拟的分散型物理模型 ,将此模型运用于三峡库区小流域侵蚀产沙、地表径流以及不同土地利用类型水沙分布状况的模拟中。通过两个不同小流域模拟结果的对比 ,采用误差百分比、线性回归以及 Nash- Sutcliffe效率 3种方法 ,分析和评价了模型的模拟效果。结果表明 ,模型在应用于我国三峡库区小流域土壤侵蚀模拟时 ,其模拟结果与实测结果具有较高的吻合度 ,模拟结果基本可信。但是 ,对于一些陡坡林地等特殊地类 ,模型的模拟误差较大 ...
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