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相关概念视频

Social Foundations of Self II: The Generalized Other01:20

Social Foundations of Self II: The Generalized Other

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According to George Herbert Mead, as children progress beyond the game stage, they develop a more comprehensive understanding of societal rules and norms. This cognitive and social development enables them to internalize the expectations of the broader community, refining their ability to regulate behavior.Consistent participation in organized activities is crucial in helping children recognize that their actions are not isolated but contribute to a more significant, interconnected group...
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Physiological Foundation of Stress01:24

Physiological Foundation of Stress

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Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
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Theoretical Foundations of Nursing Practice01:30

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Theories play an essential role in organizing patient care. Theories refer to a proposed or followed belief, policy, or procedure that is the basis for action. Nursing theories are knowledge-based concepts that guide nurses' actions, influence nursing education and practice, and allow nurses to care for their patients.
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Machines01:19

Machines

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
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Social Foundations of Self I: Play and Game01:24

Social Foundations of Self I: Play and Game

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The development of self in children is deeply rooted in social interactions, mainly through stages of play and structured games. These stages, outlined by sociologist George Herbert Mead, illustrate how children progressively learn to understand and adopt social roles, forming a cohesive sense of self.The Play Stage: Imitation and Simple Role-TakingIn the early years of childhood, the play stage is characterized by imitative behavior, where children engage in role-playing based on familiar...
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Social Foundations of Self III: Self-Evaluation01:30

Social Foundations of Self III: Self-Evaluation

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Self-evaluation is the process by which individuals assess their abilities, behaviors, and characteristics based on feedback from others. Charles H. Cooley observed that a person’s self-perception is primarily influenced by how others see and judge them. He suggested that individuals form their identities based on their interpretations of others' reactions. As a result, social interactions play a crucial role in shaping self-esteem and personal identity. These external evaluations often...
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超和超原子:可互操作的原子化机器学习的基础库.

Filippo Bigi1, Joseph W Abbott1, Philip Loche1

  • 1Laboratory of Computational Science and Modeling, Institute of Materials, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland.

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概括
此摘要是机器生成的。

新的软件库,元和元原子,桥梁机器学习 (ML) 和原子模拟. 这些工具促进了数据共享和模型可移植性,增强了材料科学模拟中的ML采用.

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科学领域:

  • 计算材料科学科学 计算材料科学
  • 机器学习在物理学中的应用
  • 科学软件开发科学软件开发

背景情况:

  • 机器学习 (ML) 通过提高准确性和降低计算成本,显著增强了原子规模的模拟.
  • 将机器学习与传统的原子模型集成,面临着由于不同的数学基础和软件生态系统的挑战.
  • 需要工具来促进ML框架和已建立的模拟包之间的无数据交换和模型兼容性.

研究的目的:

  • 引入新的软件库,metatensor和metatomic,旨在克服ML和原子模拟之间的集成挑战.
  • 为数据处理和模型存储提供一个共同的框架,促进在材料建模中更广泛地采用ML.
  • 为了使ML模型在各种模拟软件中有效共享和利用.

主要方法:

  • 关于"metatensor"的开发:一个多平台,多语言的库,用于存储和处理含有元数据的数组,特别用于原子 ML.
  • 实现"metatomic":一个提供便携式接口的库,用于存储原子化ML模型和相关元数据.
  • 展示一个集成的工具生态系统,包括图书馆,培训实用程序和与现有模拟包的接口.

主要成果:

  • ∂metatensor∂能够实现统一的数据表示和操作,促进基于Python的ML软件和基于Fortran/C/C++的模拟工具之间的互操作性.
  • △metatomic△确保了ML模型的便携式存储和分发,简化了它们在不同模拟环境中的实现和使用.
  • 开发的生态系统展示了"metatensor"和"metatomic"在弥合传统和现代计算方法之间的差距方面的实际有效性.

结论:

  • △metatensor△和△metatomic△为在原子模拟中推进ML应用提供了必不可少的基础设施.
  • 这些图书馆有效地解决了结合不同软件生态系统的挑战,促进合作和创新.
  • 展示的生态系统加速了机器学习在主流材料建模工作流程中的整合.