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相关概念视频

Social Foundations of Self II: The Generalized Other01:20

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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

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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.
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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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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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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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Since the early 2000s, computer-mediated communication (CMC) has grown rapidly, playing a crucial role in self-development. A key distinction between CMC and real-life interactions is the lack of a physically present partner. This absence makes non-verbal cues such as facial expressions, body language, and paralinguistic signals unavailable in CMC platforms like email, instant messaging, or social media. The lack of these cues can create ambiguity and complicate how feedback is interpreted.The...
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Updated: Feb 13, 2026

Analyzing Mitochondrial Morphology Through Simulation Supervised Learning
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基于专家指导的监督学习的多孔材料的数据效率基础模型.

Jiawen Zou1, Zirui Lv2,3,4, Weimin Tan1,3,4

  • 1College of Computer Science and Artificial Intelligence, Shanghai Key Laboratory of Intelligent Information Processing, Fudan University, Shanghai, PR China.

Nature communications
|February 11, 2026
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概括
此摘要是机器生成的。

材料科学中的基础模型现在可以利用专家知识来显著减少数据需求. 这种方法提高了多孔材料的准确性和概括性,优于较大的模型.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 计算化学的计算化学
  • 人工智能的人工智能

背景情况:

  • 材料科学中的基础模型需要广泛,昂贵的培训数据.
  • 现有的物理知识 (例如,分子力场) 在当前模型中未得到充分利用.

研究的目的:

  • 展示专家知识如何监督预培训,减少基础模型的数据要求.
  • 为多孔材料开发一个基础模型,有效地整合结构和能量信息.

主要方法:

  • 开发的潜在能量表面 (PES) 基础作为客-主互动的统一描述符.
  • 设计了一种多模式架构,以融合材料结构和PES信息.
  • 员工预培训侧重于跨空间尺度的全面几何特征学习.

主要成果:

  • 引入了SpbNet,这是在有限的数据条件下训练的多孔材料的基础模型.
  • 与在20倍大数据集上训练的模型相比,SpbNet在50多个下游任务 (吸附,分离,内在特性) 中取得了更高的性能.
  • 证明了显著的错误减少 (超过20%) 和在各种多孔材料 (MOF,COF,热质岩) 中强大的泛化.

结论:

  • 专家知识监督是一种可行的策略,可以大大减少材料科学基础模型的数据要求.
  • SpbNet提供了一种强大且数据效率高的方法,用于预测多孔材料的特性.
  • 该模型的概括能力突显了其在材料发现和设计中广泛应用的潜力.