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相关概念视频

Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

95
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
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Quantifying Work02:30

Quantifying Work

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As a system undergoes a change, its internal energy can change, and energy can be transferred from the system to the surroundings, or from the surroundings to the system. 
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Factors Affecting Workability01:24

Factors Affecting Workability

86
The workability of concrete is a critical characteristic that influences the ease of mixing, handling, and finishing the concrete. It is affected by several factors including water content, aggregate properties, and admixtures like air entrainment. Water plays a fundamental role as it lubricates the concrete mix, facilitating easier movement and placement. However, the water requirement varies depending on the texture and shape of aggregates. Finer particles and angular, rough-textured...
86
Prismatic Beams: Problem Solving01:15

Prismatic Beams: Problem Solving

131
In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
131
Laminar Flow: Problem Solving01:24

Laminar Flow: Problem Solving

208
Laminar flow occurs when a fluid moves smoothly in parallel layers with minimal mixing and turbulence. In fluid mechanics, ensuring laminar flow within a pipe is essential for precise control of flow characteristics, especially in engineering applications. The key factor in determining whether flow remains laminar is the Reynolds number, a dimensionless quantity that depends on the fluid's velocity, density, viscosity, and the pipe's diameter. A Reynolds number of 2100 or lower...
208
Steps in the Modeling Process01:14

Steps in the Modeling Process

233
Albert Bandura's theory of observational learning identifies four critical processes: attention, retention, motor reproduction, and reinforcement or motivation.
Attention is the first necessary component for observational learning. It involves focusing on what the model is doing and saying. For example, if you decide to take a drawing class to enhance your skills, you need to pay close attention to the instructor's words and hand movements. The characteristics of the model significantly...
233

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相关实验视频

Updated: Jul 15, 2025

A Quantitative Fitness Analysis Workflow
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构建公平的工作流程的十个快速技巧

Casper de Visser1, Lennart F Johansson2, Purva Kulkarni1,3,4

  • 1Medical BioSciences Department, Radboud University Medical Center, Nijmegen, the Netherlands.

PLoS computational biology
|September 28, 2023
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概括
此摘要是机器生成的。

本研究介绍了10个实用技巧,用于将FAIR研究软件 (FAIR4RS) 的FAIR原则应用于科学工作流程. 这些指导方针提高了数据的可复制性,并促进了可持续的计算科学实践.

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Substructure Analyzer: A User-Friendly Workflow for Rapid Exploration and Accurate Analysis of Cellular Bodies in Fluorescence Microscopy Images
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Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care
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Substructure Analyzer: A User-Friendly Workflow for Rapid Exploration and Accurate Analysis of Cellular Bodies in Fluorescence Microscopy Images
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科学领域:

  • 计算科学 计算科学
  • 数据管理数据管理
  • 开放科学是一个开放的科学.

背景情况:

  • 研究数据的快速积累需要强大的数据管理策略.
  • 可重现的科学是全球优先事项,受到不断增加的数据量挑战.
  • 公平原则 (可查找,可访问,可互操作,可重复使用) 指导数据价值的最大化.

研究的目的:

  • 为研究软件 (FAIR4RS) 适应FAIR原则.
  • 为科学工作流程应用FAIR4RS原则提供实用指南.
  • 提高研究软件和工作流程的可复制性和可重复使用性.

主要方法:

  • 开发10个快速提示,用于将FAIR4RS原则应用于工作流程.
  • 根据FAIR缩写 (可找到,可访问,可互操作,可重复使用) 的提示排列.
  • 包括解释,澄清每个提示与FAIR4RS原则的相关性.

主要成果:

  • 一套为研究人员和工作流开发人员提供10个可操作的技巧.
  • 关于如何在计算工作流程中实施FAIR4RS原则的明确指导.
  • 一个框架,以提高科学工作流程的可持续性和可重复性.

结论:

  • 建议的技巧可以作为工作流开发人员的实际指南.
  • 实施这些技巧有助于更可复制和可持续的计算科学.
  • 该倡议旨在积极影响开放科学和FAIR社区.