中国经济法发展中的国家主义之克服

本文从国家在经济法中的特定地位和作用入手 ,深入分析了国家主义在经济法中的多种表现及根源 ,然后提出了克服经济法发展中国家主义障碍的具体对策     

A Proof of Bell's Inequality in Quantum Mechanics Using Causal interactions

We give a simple proof of Bell's inequality in quantum mechanics using theory from causal interaction, which, in conjunction with experiments, demonstrates that the local hidden variable assumption is false. The proof sheds light on relationships between the notion of causal interaction and interference between treatments.     

外部势力干预下的阿富汗族群冲突特点及影响

族群问题是影响阿富汗内政的关键因素。阿富汗族群冲突因外部势力干预而起。自杜兰尼王朝以来,在外部势力干预下,阿富汗族群关系逐渐恶化,族群成为外部势力干预阿富汗内政的主要工具,同时阿富汗族群问题导致赞助政治迅速发展,并逐渐伊斯兰化。在内部纷争和外部介入下,阿富汗族群冲突引发了阿富汗国内以及周边地区一系列安全问题,并扩散至全球范围,为阿富汗及其周边地区安全局势带来深远影响。美国撤军后,阿富汗族群冲突的和解仍将面临内部权力纷争和国族认同缺失、外部势力干预和国际恐怖主义上扬等多重挑战。     

切削加工振动的分析和防治

切削加工振动主要有自激振动和受迫振动,它们分别与机床系统本身的特性、内部干扰力和外部干扰力有关.为了减振防振,必须准确判断振动的类型和产生的原因,综合分析引起振动的主要因素,找出它们的作用和相互关系,采取切实可行的有效措施隔断和减轻引起机床振动的各种干扰力,调整机床系统的固有频率、阻尼、刚度以提高其动态特性.     

Causal inference on networks under continuous treatment interference

This paper investigates the case of interference, when a unit’s treatment also affects other units’ outcome. When interference is at work, policy evaluation mostly relies on the use of randomized experiments under cluster interference and binary treatment. Instead, we consider a non-experimental setting under continuous treatment and network interference. In particular, we define spillover effects by specifying the exposure to network treatment as a weighted average of the treatment received by units connected through physical, social or economic interactions. Building on Forastiere et al. (2021), we provide a generalized propensity score-based estimator to estimate both direct and spillover effects of a continuous treatment. Our estimator also allows to consider asymmetric network connections characterized by heterogeneous intensities. To showcase this methodology, we investigate whether and how spillover effects shape the optimal level of policy interventions in agricultural markets. Our results show that, in this context, neglecting interference may underestimate the degree of policy effectiveness.     

信息传播过程中的噪声干扰及对策

在档案信息传播过程中所存在的干扰叫噪声干扰。根据产生原因的不同，将这种干扰分为物理噪声、语义噪声、应用噪声。消除噪声干扰可采取三条措施：选择优质的传播载体；加强知识储备；正确传播信息。