Control

控制
  • 文章类型: Journal Article
    面部是自我认同的关键线索,而代理意识在通过环境行动确定我们的影响力方面起着重要作用。当前的研究调查了通过面部识别的自我识别如何通过运动影响控制的感知。我们认为,自我认同可能会产生一种信念,控制自己的脸,导致更敏锐的检测,并更加强调他们的行为与控制判断中的感觉反馈之间的差异。我们将受控制信念支配的条件称为剥削模式。相反,当操纵另一个人的脸时,个人控制的信念是不存在的。在这种情况下,个体可能依赖于动作和感官输入之间的规律性来进行控制判断,表现出自然界中探索性的行为来收集这些信息。这种情况被称为探索模式。这项研究利用了面部运动混合范式,采用深度生成模型,使参与者能够通过面部和头部运动与自己或他人的面部进行交互。在实验过程中,参与者观察自己的脸或别人的脸(自我面对与其他脸)在屏幕上。面部的运动纯粹由他们自己的面部和头部运动驱动,或者由参与者和实验者的平均运动驱动(完全控制与部分控制)。结果显示,参与者报告的代理感比其他面孔比自我面孔更高,而他们的自我认同评分明显高于自我面对。更重要的是,控制别人的脸导致更多的运动多样性比控制自己的脸。这些发现支持了我们的探索开发理论:当参与者对自我面对引发的控制有强烈的信念时,他们对任何感觉运动预测错误变得高度敏感,导致较低的代理意识。相比之下,当缺乏控制的信念时,探索模式引发了更多的探索行为,允许参与者有效地收集信息以建立代理意识。
    The face serves as a crucial cue for self-identification, while the sense of agency plays a significant role in determining our influence through actions in the environment. The current study investigates how self-identification through facial recognition may influence the perception of control via motion. We propose that self-identification might engender a belief in having control over one\'s own face, leading to a more acute detection and greater emphasis on discrepancies between their actions and the sensory feedback in control judgments. We refer to the condition governed by the belief in having control as the exploitation mode. Conversely, when manipulating another individual\'s face, the belief in personal control is absent. In such cases, individuals are likely to rely on the regularity between actions and sensory input for control judgments, exhibiting behaviors that are exploratory in nature to glean such information. This condition is termed the explorative mode. The study utilized a face-motion mixing paradigm, employing a deep generative model to enable participants to interact with either their own or another person\'s face through facial and head movements. During the experiment, participants observed either their own face or someone else\'s face (self-face vs. other-face) on the screen. The motion of the face was driven either purely by their own facial and head motion or by an average of the participant\'s and the experimenter\'s motion (full control vs. partial control). The results showed that participants reported a higher sense of agency over the other-face than the self-face, while their self-identification rating was significantly higher for the self-face. More importantly, controlling someone else\'s face resulted in more movement diversity than controlling one\'s own face. These findings support our exploration-exploitation theory: When participants had a strong belief in control triggered by the self-face, they became highly sensitive to any sensorimotor prediction errors, leading to a lower sense of agency. In contrast, when the belief of control was absent, the exploration mode triggered more explorative behaviors, allowing participants to efficiently gather information to establish a sense of agency.
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  • 文章类型: Journal Article
    水中的含氮消毒副产物(N-DBPs)具有致癌性,致畸,和诱变。在这项工作中,我们开发了一种基于半胱氨酸硫醇的仿生还原方法,选择含氮卤代乙酰胺(HAMs)和卤代乙腈(HANs),同时有效控制降解产物的细胞毒性,以作为进一步技术应用的基础(例如,最终用户的固定接触床)。阐明了毒性控制的机制。结果表明,HAMs的降解和细胞毒性控制比HANs更有效。氯化的细胞毒性,溴化,在使用合理的浓度比进行仿生还原后,碘化HAMs和HANs减少到原来的25%-0.25%。通过硫醇特异性反应性的组合,脱卤,和定量结构-活性关系分析,发现主要的毒性控制机制是N-DBPs的还原脱卤。N-DBPs上的卤代官能团对细胞毒性和解毒作用比酰胺基和腈基有更明显的影响。鉴定了与DBP浓度的毒性相互作用变化的模式,以检测在半胱氨酸硫醇存在下在HAM和HAN的各种组合下可能的协同细胞毒性相互作用。结果可能有利于未来的N-DBPs控制工作。
    Nitrogenous disinfection byproducts (N-DBPs) in water are carcinogenic, teratogenic, and mutagenic. In this work, we developed a biomimetic reduction approach based on the cysteine thiol that destructed the highly toxic, select nitrogenous haloacetamides (HAMs) and haloacetonitriles (HANs) while effectively controlling the cytotoxicity of the degradation products to serve as a basis for further technological applications (e.g. immobilized contact bed for terminal users). Mechanisms on toxicity control were elucidated. Results showed the degradation and cytotoxicity control of HAMs as more efficient than that of the HANs. The cytotoxicity of the chlorinated, brominated, and iodinated HAMs and HANs was reduced to 25 %- 0.25 % of the original after biomimetic reduction using a reasonable concentration ratio. Through a combination of thiol-specific reactivity, dehalogenation, and quantitative structure-activity relationship analyses, the major toxicity control mechanisms were found to be the reductive dehalogenation of the N-DBPs. The halogenated functional groups on the N-DBPs had a more pronounced effect than the amide and nitrile groups on the cytotoxicity and detoxification effect. Patterns of toxicity interaction variations with DBPs concentrations were identified to detect possible synergistic cytotoxicity interactions under various combinations of HAMs and HANs in the presence of the cysteine thiol. Results could benefit future N-DBPs control efforts.
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  • 文章类型: Journal Article
    工作场所的福祉涵盖了工作生活的各个方面。高峰健康组织认识到,糟糕的工作场所福利代价高昂,对个人和组织来说,以及促进健康工作场所的价值。当工作场所的障碍得到承认和解决时,工作场所的福祉会得到改善,促进保护因素。急诊室(ED)是一个紧张而具有挑战性的活动的地方,高工作量和过度拥挤加剧了。这对患者护理产生了负面影响,员工的安全和福祉。我们在四个ED中举行了焦点小组,讨论了幸福的障碍和推动者,并发现了四个核心主题:工作场所满意度;幸福的障碍;优先考虑员工幸福的组织文化;自我照顾和自我同情。由此,和现有的文献,我们合作开发了一个情境化的员工福利框架,标题为:“员工福利良好做法框架:从生存到繁荣,如何在强调其能力价值的急诊室保护您的健康,连接和控制。
    Workplace wellbeing encompasses all aspects of working life. Peak health organisations recognise that poor workplace wellbeing is costly, both to individuals and to the organisation, and the value in promoting healthy workplaces. Workplace wellbeing improves when its barriers are acknowledged and addressed, and protective factors are promoted. The Emergency Department (ED) is a place of intense and challenging activity, exacerbated by high workloads and overcrowding. This impacts negatively on patient care, staff safety and wellbeing. We held focus groups across four EDs to discuss barriers and enablers to wellbeing and found four core themes: Workplace Satisfaction; Barriers to Wellbeing; Organisational Culture that Prioritises Staff Wellbeing; Self-care and Self Compassion. From this, and existing literature, we collaboratively developed a contextualised staff wellbeing framework titled: \'Staff Wellbeing Good Practice Framework: From Surviving to Thriving, How to Protect your Wellbeing in the Emergency Department\' that emphasises their values of Competence, Connection and Control.
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  • 文章类型: Journal Article
    烟道气的处理已成为关注的关键领域,因为在其操作中涉及化石燃料燃烧的工业向大气中排放的空气不断增加。实质上,比以往任何时候都更需要有效的治疗方法。处理和分离现在是整体工业操作的需求,以控制烟气排放的速率。造成这种情况的罪魁祸首是发电行业。与之相关的主要空气污染物是二氧化碳,硫氧化物,微量金属,挥发性有机化合物,颗粒物,和氮氧化物。然而,选择要使用的技术需要的不仅仅是分离过程的知识,而且对污染物的性质也有很好的了解。这篇综述探索并评估了用于处理工业烟气以控制相关空气污染物的各种分离工艺和技术。它还参考成本和效率分析了性能,优点和缺点,选择原则,研究方向,和/或现有分离过程和技术中的潜在机会。
    The treatment of flue gases has become a crucial area of interest with the increasing air emissions into the atmosphere from industries involved in combustion of fossil fuels in their operations. In essence, there is a critical need for effective methods of treatment more than ever. Treatment and separation are now a demand for the overall industrial operations to control the rate of flue gas emissions. The major culprit in this wise is power generating industry. The major associated air pollutants are carbon dioxide, sulfur oxides, trace metals, volatile organic compounds, particulate matters, and nitrogen oxides. However, the choice of technologies to be utilized requires more than just knowledge of the separation process, but also a good understanding of the properties of the pollutants. This review explored and evaluated the various separation processes and technologies for the treatment of industrial flue gases for the control of the associated air pollutants. It also analyzed the performance with references to cost and efficiency, the advantages and disadvantages, principles for selection, research direction, and/or potential opportunities in existing separation processes and technologies.
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  • 文章类型: Journal Article
    多孔结构和粒度的控制对于改善聚倍半硅氧烷(PSQ)微球的性能至关重要。在这里,采用反相悬浮聚合相结合的策略,两步溶胶-凝胶和聚合诱导的相分离过程,形貌可控的微米级含巯基大孔PSQ(TMPSQ)微球,可调粒径(4.9-17.3μm),和孔径(40-3774nm)被制备。通过SEM表征了TMPSQ微球的形貌和尺寸。采用压汞法分析微球的多孔结构。溶胶-凝胶分散相组成的影响,溶胶-凝胶分散相与油连续相的质量比(WRW/O),和跨度80质量含量在油连续相中的形貌上,研究了TMPSQ微球的粒径和孔径。结果表明,溶胶-凝胶分散相的组成决定了微球的形貌和多孔结构,WRW/O和Span80含量对微球的形貌和粒径有显著影响。本研究有利于设计和制备具有良好性能和应用前景的功能性PSQ微球。
    Control of the porous structure and particle size is essential for improving the properties of polysilsesquioxane (PSQ) microspheres. Herein, using the strategy combining inverse suspension polymerization, two-step sol-gel- and polymerization-induced phase separation processes, micron-sized thiol-containing macroporous PSQ (TMPSQ) microspheres with controllable morphologies, adjustable particle diameters (4.9-17.3 μm), and pore sizes (40-3774 nm) were prepared. The morphology and size of the TMPSQ microspheres were characterized by SEM. The mercury intrusion method was employed to analyze the porous structure of the microspheres. The effects of the composition of the sol-gel disperse phase, the mass ratio of the sol-gel disperse phase to the oil continuous phase (WRW/O), and the Span 80 mass content in the oil continuous phase on the morphology, particle diameter and pore size of the TMPSQ microspheres were investigated. Results indicated that the composition of the sol-gel disperse phase determines the morphology and porous structure of the microspheres, and WRW/O and Span 80 content have remarkable impacts on the morphology and particle size of the microspheres. This study is beneficial to the design and fabrication of functional PSQ microspheres with desired properties and promising application prospects.
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  • 文章类型: Journal Article
    口蹄疫(FMD)仍然是最相关的动物疾病之一,仍然是全球关注的问题。世界动物卫生组织(WOAH)规定了两种确保免于口蹄疫的卫生条件:一个国家或地区可以在有或没有疫苗接种的情况下免于口蹄疫。要获得两种状态中的任何一种,必须显示没有病毒循环。WOAH制定的标准用于贸易谈判。近几十年来,开发了不同的工具和方法来控制口蹄疫,包括疫苗,诊断,以及口蹄疫的渐进控制途径。这些工具随着时间的推移而改进,现在高质量,可靠的疫苗和特定的诊断可用于有效控制和检测感染,即使在接种疫苗的人群中。由于这些改进,不再有理由区别对待这两种无口蹄疫状态。状态之间的区别提供了错误的动机,并诱使各国通过停止疫苗接种以改善其贸易条件来承担更大的风险,这可能会带来潜在的毁灭性后果。停止接种疫苗的决定只能在对当地和区域流行病学情况进行仔细和全面分析的基础上做出。本文提出了成员国和WOAH应将两种无口蹄疫状态视为等效状态的观点。
    Foot-and-Mouth Disease (FMD) is still one of the most relevant animal diseases and remains of global concern. The World Organization for Animal Health (WOAH) has specified two sanitary statuses that assure freedom from FMD: a country or zone can be free from FMD either with or without vaccination. To obtain either of the two statuses, absence of virus circulation must be shown. The standards set by WOAH are used for trade negotiations. During recent decades, different tools and approaches were developed to control FMD, including vaccines, diagnostics, and the Progressive Control Pathway for FMD. These tools improved over time, and nowadays high-quality, reliable vaccines and specific diagnostics are available to efficiently control and detect the infection, even in vaccinated populations. Due to these improvements, it is no longer justifiable to treat the two FMD-free statuses differently. The distinction between the statuses provides wrong incentives and tempts countries to take increased risks by stopping vaccination to improve their trade conditions, which can have potentially devastating consequences. The decision to stop vaccination should only be made on the basis of a careful and comprehensive analysis of the local and regional epidemiological situation. This paper presents the perspective that member countries and WOAH should recognize the two FMD-free statuses as equivalent.
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  • 文章类型: Journal Article
    在心脏研究领域,螺旋波和湍流状态的控制一直是学者们关注的焦点。在各种调查途径中,离子电流的调制代表了一个关键的方向。已经证明,涉及电流组合控制的方法优于单一方法。虽然以前的研究提出了一些组合策略,需要进一步加强和补充,特别是在通过两种钾离子电流的联合调节来控制心律失常的情况下。本研究采用Luo-RudyI期心脏模型,调节时间依赖性钾电流和时间依赖性钾电流的最大电导,研究这种组合调制对螺旋波和湍流状态的影响。数值模拟结果表明,与调节单个电流相比,结合两个钾离子电流的电导降低,可以在短时间内快速控制螺旋波和湍流状态。这意味着同时对两种钾离子电流采用阻断剂代表更有效的控制策略。本研究的对照结果代表了抗心律失常干预的一种新颖有效的组合,提供新的抗心律失常药物靶点的潜在途径。
    In the realm of cardiac research, the control of spiral waves and turbulent states has been a persistent focus for scholars. Among various avenues of investigation, the modulation of ion currents represents a crucial direction. It has been proved that the methods involving combined control of currents are superior to singular approaches. While previous studies have proposed some combination strategies, further reinforcement and supplementation are required, particularly in the context of controlling arrhythmias through the combined regulation of two potassium ion currents. This study employs the Luo-Rudy phase I cardiac model, modulating the maximum conductance of the time-dependent potassium current and the time-independent potassium current, to investigate the effects of this combined modulation on spiral waves and turbulent states. Numerical simulation results indicate that, compared to modulating a single current, combining reductions in the conductance of two potassium ion currents can rapidly control spiral waves and turbulent states in a short duration. This implies that employing blockers for both potassium ion currents concurrently represents a more efficient control strategy. The control outcomes of this study represent a novel and effective combination for antiarrhythmic interventions, offering potential avenues for new antiarrhythmic drug targets.
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  • 文章类型: Journal Article
    本系统综述旨在研究生物安全性在预防或控制肉鸡生产中大肠杆菌病方面的作用。与自然或实验暴露于禽类致病性大肠杆菌的初步研究,评估任何生物安全措施以预防或控制肉鸡大肠杆菌病,至少具有以下结果之一:饲料转化率(FCR),谴责屠杀,和大肠杆菌病导致的死亡率,包括在内。根据Cochrane手册,在4个数据库中进行了系统搜索,并按照PRISMA2020方向进行了报告。在2阶段筛选研究(n=3,886),并提取符合纳入标准的数据。进行偏倚风险评估。包括四项报告预防或控制肉鸡生产中大肠杆菌病的生物安全措施的研究。在所有研究中,仅在孵化前(n=3)或孵化后(n=1)期间的消毒被评估为肉鸡生产中的生物安全措施,以及它对大肠杆菌病引起的FCR(n=2)和死亡率(n=4)的影响。没有发现对屠杀谴责有影响的研究。由于干预措施和结果研究的异质性,没有进行荟萃分析。本系统评价的有限发现没有提供全面的证据来统计评估生物安全性预防或控制肉鸡生产中大肠杆菌病的有效性。缺乏证据表明,需要对该主题进行进一步深入的调查,考虑到与生物安全相关的各种干预措施。
    This systematic review aimed at investigating the role that biosecurity can have in preventing or controlling colibacillosis in broiler production. Primary studies with natural or experimental exposure to avian pathogenic Escherichia coli, evaluating any biosecurity measure to prevent or control colibacillosis in broiler chickens with at least one of the following outcomes: feed conversion ratio (FCR), condemnations at slaughter, and mortality due to colibacillosis, were included. A systematic search was carried out in 4 databases according to the Cochrane handbook and reported following the PRISMA 2020 directions. Studies (n = 3,886) were screened in a 2-phase process and data matching the inclusion criteria were extracted. Risk of bias assessment was performed. Four studies reporting biosecurity measures to prevent or control colibacillosis in broiler production were included. In all studies, only disinfection during either the pre-hatching period (n = 3) or the post-hatching period (n = 1) was evaluated as biosecurity measure in broiler production, as well as its effect on FCR (n = 2) and mortality (n = 4) due to colibacillosis. No studies with effects on condemnations at slaughter were found. Due to the heterogeneity of studies in regard to interventions and outcomes, meta-analysis was not carried out. The limited findings of this systematic review do not provide a comprehensive evidence to statistically evaluate the efficacy of biosecurity to prevent or control colibacillosis in broiler production. The scarcity of evidence found suggests that further and deeper investigations on the topic are needed, considering the variety of interventions related to biosecurity.
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  • 文章类型: Journal Article
    在生理数据空白中寻求模拟神经元功能,一个有希望的策略是开发一种规范的理论,将神经元生理学解释为优化计算目标。本研究扩展了当前的规范模型,主要优化预测,通过将神经元概念化为最佳反馈控制器。我们假设神经元,尤其是那些超越早期感官区域的,通过他们的输出引导他们的环境走向特定的期望状态。这种环境包括突触连接的神经元和外部运动感觉反馈回路,使神经元能够通过突触反馈评估其控制的有效性。为了将神经元建模为生物学上可行的控制器,隐式地识别环路动力学,推断潜在状态,并优化控制,我们利用当代的直接数据驱动控制(DD-DC)框架。我们的DD-DC神经元模型解释了各种神经生理学现象:从增强到抑制的尖峰时间依赖性可塑性及其不对称性,前馈和反馈神经元滤波器的持续时间和适应性,恒定刺激下尖峰产生的不精确,以及大脑中特征性的操作变异性和噪声。我们的模型与传统的模型有很大的不同,前馈,即时反应McCulloch-Pitts-Rosenblatt神经元,提供一个现代的,构建神经网络的生物学信息基本单元。
    In the quest to model neuronal function amid gaps in physiological data, a promising strategy is to develop a normative theory that interprets neuronal physiology as optimizing a computational objective. This study extends current normative models, which primarily optimize prediction, by conceptualizing neurons as optimal feedback controllers. We posit that neurons, especially those beyond early sensory areas, steer their environment toward a specific desired state through their output. This environment comprises both synaptically interlinked neurons and external motor sensory feedback loops, enabling neurons to evaluate the effectiveness of their control via synaptic feedback. To model neurons as biologically feasible controllers which implicitly identify loop dynamics, infer latent states, and optimize control we utilize the contemporary direct data-driven control (DD-DC) framework. Our DD-DC neuron model explains various neurophysiological phenomena: the shift from potentiation to depression in spike-timing-dependent plasticity with its asymmetry, the duration and adaptive nature of feedforward and feedback neuronal filters, the imprecision in spike generation under constant stimulation, and the characteristic operational variability and noise in the brain. Our model presents a significant departure from the traditional, feedforward, instant-response McCulloch-Pitts-Rosenblatt neuron, offering a modern, biologically informed fundamental unit for constructing neural networks.
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  • 文章类型: Journal Article
    了解不同时期的包膜利什曼病(TL)的分布情况,可以在公共卫生层面采取适当的行动。本研究分析了巴西各市TL发病率的时空演变,并确定了2001年至2020年的优先领域。使用时空扫描统计数据和空间关联的本地指标分析了新病例的通知。由于大多数巴西城市的TL发病率呈下降趋势,在该系列的第一个十年中,高相对风险(RR)的时空集群更为频繁。这些集群集中在北部和东北地区,主要在合法亚马逊地区。在不同地区的城市中发现了最近的高RR地区。巴西的优先城市数量显示出稳定的趋势。在阿克雷州有很多这样的城市,马托格罗索,朗多尼亚,帕拉,和阿马帕,以及罗赖马的大片地区,亚马逊,Maranhão,还有Tocantins,以及戈亚州较小的地区,Ceará,巴伊亚,米纳斯吉拉斯州,圣保罗,和巴拉那。本研究有助于了解巴西TL的历史演变,并为抗击该疾病的行动提供资助。
    Understanding the distribution of tegumentary leishmaniasis (TL) in different periods enables the adequate conduction of actions at the public health level. The present study analyzes the spatiotemporal evolution of TL incidence rates in the municipalities of Brazil and identifies priority areas from 2001 to 2020. Notifications of new cases were analyzed employing space-time scan statistics and Local Indicators of Spatial Association. As TL incidence rates presented a downward trend in most Brazilian municipalities, spatiotemporal clusters of high relative risks (RR) were more frequent in the first decade of the series. There was a concentration of those clusters in the North and Northeast regions, mainly in the Legal Amazon area. More recent high-RR areas were identified in municipalities of different regions. The number of priority municipalities showed a stable trend in Brazil. There was a great concentration of such municipalities in the states of Acre, Mato Grosso, Rondônia, Pará, and Amapá, as well as large areas in Roraima, Amazonas, Maranhão, and Tocantins, and smaller areas in the states of Goiás, Ceará, Bahia, Minas Gerais, São Paulo, and Paraná. The present study contributes to the understanding of the historical evolution of TL in Brazil and subsidizes actions to combat the disease.
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