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相关概念视频

Design Consideration01:22

Design Consideration

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Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
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Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

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Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
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Response Surface Methodology01:16

Response Surface Methodology

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Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
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Hazard Ratio01:12

Hazard Ratio

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The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
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Hybrid Zones02:29

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Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
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An R-Based Landscape Validation of a Competing Risk Model
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一个多视角的过程安全风险评估与混合风险.

Tahere Vafaee1, M A S Monfared1

  • 1Department of Industrial Engineering, Faculty of Engineering, University of Alzahra, Tehran, Iran.

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PubMed
概括

工艺安全风险因利益相关者的角度而异. 多视角,混合风险评估对于准确的分析至关重要,超越单一观点的不足. 这种方法确保了全面的风险管理.

关键词:
贝叶斯网络是一个贝叶斯网络.城市门车站 城市门车站混合风险是混合风险的混合风险.多个视角的多个视角.工艺工业工业工业过程工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工业工艺安全过程安全.风险评估 风险评估 风险评估

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科学领域:

  • 工艺安全工程 工艺安全工程
  • 风险管理 风险管理
  • 系统工程 系统工程

背景情况:

  • 传统的工艺安全风险评估通常采用单一的视角,导致不完整或误导性的结果.
  • 利益相关者的看法,风险大小和影响在涉及的各方 (例如员工,监管机构,社区) 之间存在显著差异.
  • 现有的方法很难有效地整合各种风险类型 (人体安全与设施/环境安全) 和多个利益相关者的观点.

研究的目的:

  • 为工艺安全引入一种新的多视角和混合风险评估方法.
  • 通过纳入利益相关者的互动来解决单一视角评估的局限性.
  • 制定一个区分和整合影响人类福祉的安全风险与设施,财产,资本资产和环境风险的框架.

主要方法:

  • 开发一个全面的初始模型,允许通过缩小来提取实际的,基于视角的模型.
  • 引入混合安全设施风险评估框架.
  • 从12个不同的角度对城市气体减压站的案例研究来验证方法.

主要成果:

  • 证明了工艺安全风险在不同的利益相关者视角上有很大差异.
  • 强调单一视角风险评估的不足.
  • 通过实践案例研究验证了拟议的多视角和混合风险评估方法的必要性和有效性.

结论:

  • 多视角和混合风险评估对于全面准确地了解工艺安全至关重要.
  • 开发的方法提供了一个更现实的,更具包容性的风险分析方法.
  • 该框架在特定案例研究之外广泛适用,增强组织风险管理和决策.