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関連する概念動画

Principal Stresses: Problem Solving01:15

Principal Stresses: Problem Solving

304
When analyzing two planes intersecting at right angles under the influence of shearing, tensile, and compressive stresses, it is essential to identify principal planes, maximum shearing stress, and principal stresses. To find the principal planes, apply a formula that equates them to twice the shearing stress divided by the difference between tensile and compressive stresses.
304
Types of Stressors01:23

Types of Stressors

299
A stressor is any event, condition, or stimulus that triggers stress and causes a physical or psychological response in the body. Stressors can be categorized into three main types: catastrophes; significant life changes; and daily hassles, including social stress. Each can be detrimental to physical and mental well-being.
Catastrophes
Catastrophes refer to large-scale, unpredictable events that create overwhelming stress and a sense of threat. Examples include natural disasters like...
299
Psychological Responses to Stress01:20

Psychological Responses to Stress

99
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
99
Applications of Stress01:04

Applications of Stress

400
Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
400
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

157
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
Adrenaline triggers the...
157
Stress Concentrations01:13

Stress Concentrations

295
The concept of stress concentration is crucial for understanding how materials respond under bending stresses, particularly when there are irregularities or discontinuities in the material's geometry. Normally, stress in a symmetric member subjected to pure bending is assumed to be uniformly distributed across the entire cross-section. However, this assumption does not hold when there are variations in the cross-sectional geometry or the presence of notches and holes.
The stress...
295

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Updated: Sep 10, 2025

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
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接地理論を用いた原子力発電所運営者のストレス要因の特定

Ye Wang1,2, Xiliang Tao3, Wenqiang Peng3

  • 1School of Nuclear Science and Technology, University of South China, Hengyang, 421001, Hunan, China.

Scientific reports
|August 20, 2025
PubMed
まとめ
この要約は機械生成です。

原子力発電所 (NPP) の運営者における心理的ストレスは,作業の複雑さやコミュニケーションの負担を含む7つの重要な要因から生じます. これらのストレス要因を理解することは,原子力発電所のシステム安全と運用効率の向上に不可欠です.

キーワード:
根拠のある理論多次元の負荷原子力発電所の運営者心理的ストレス

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科学分野:

  • 人間要因の工学
  • 職業心理学
  • 核工学

背景:

  • 原子力発電所 (NPP) の運営者は,重要な意思決定を必要とするリスクの高い環境に直面しています.
  • 心理的ストレスは原子力発電所のシステム安全と運用効率に大きく影響します.
  • 既存の研究では,原子力発電所におけるストレス要因の体系的な分析が欠けている.

研究 の 目的:

  • 原子力発電所運営者における心理的ストレスに影響を与える要因を体系的に特定し,分類する.
  • 操作者の経験に基づく心理的ストレスの多次元モデルを開発する.
  • 作業者の福祉と工場の安全を向上させるための基盤を提供する.

主な方法:

  • 定性的なデータに適用される理論的アプローチ.
  • 25人の原子力発電所運営者との半構造面接が行われました.
  • データの分析に使用されるオープン,アキシアル,選択的なコーディング.

主要な成果:

  • 操作者の心理的ストレスに寄与する7つの主要な要因を特定しました. インターフェース管理,タスクの複雑さ,アラームの負荷,一時的な/緊急のタスク,シフト作業,エラー処理,通信です.
  • これらのストレス因子が相互作用し 結合し 認知的・心理的負担を増やすことが示されました
  • NPPオペレーターの心理的ストレスの多次元負荷モデルを開発しました.

結論:

  • 原子力発電所の運営者における心理的ストレスは多要因で相互に関連しています.
  • 特定された要因は,オペレーターのストレスを理解するための包括的な枠組みを提供します.
  • これらのストレス要因のダイナミックな相互作用を探求するためのさらなる研究が推奨されています.