Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Oscillations about an Equilibrium Position01:04

Oscillations about an Equilibrium Position

5.4K
Stability is an important concept in oscillation. If an equilibrium point is stable, a slight disturbance of an object that is initially at the stable equilibrium point will cause the object to oscillate around that point. For an unstable equilibrium point, if the object is disturbed slightly, it will not return to the equilibrium point. There are three conditions for equilibrium points—stable, unstable, and half-stable. A half-stable equilibrium point is also unstable, but is named so...
5.4K
Stability of Equilibrium Configuration01:23

Stability of Equilibrium Configuration

458
Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types of equilibrium: stable, neutral, and unstable.
A stable equilibrium occurs when a system tends to return to its original position when given a small displacement, and the potential energy is at its minimum. An example of a stable equilibrium is when a cantilever beam is fixed at one end and a weight is attached to the other end. If the weight...
458
Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

612
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
612
Dynamic Equilibrium02:20

Dynamic Equilibrium

51.7K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
51.7K
Conditions of Equilibrium01:28

Conditions of Equilibrium

775
Equilibrium refers to a state where a rigid body is not subjected to any translational or rotational motion. This state is achieved when the force and couple acting on a rigid body equal zero. When the system of external forces results in a net effect equivalent to zero, the rigid body is considered to be in equilibrium.
Internal forces are not considered for conditions of equilibrium because they occur in equal and opposite pairs within the body, effectively canceling each other. As a result,...
775
Damped Oscillations01:07

Damped Oscillations

5.7K
In the real world, oscillations seldom follow true simple harmonic motion. A system that continues its motion indefinitely without losing its amplitude is termed undamped. However, friction of some sort usually dampens the motion, so it fades away or needs more force to continue. For example, a guitar string stops oscillating a few seconds after being plucked. Similarly, one must continually push a swing to keep a child swinging on a playground.
Although friction and other non-conservative...
5.7K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Social immunity can be a consequence and cause of social evolution.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

An insect that cooperates like bacteria.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Cooperation and the evolution of bacterial niche breadth.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Studying adaptation at the invisible scale.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

No evidence that haplodiploidy favors the evolution of eusociality.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Carbon-phosphorus exchange rate constrains density-speed trade-off in arbuscular mycorrhizal fungal growth.

Proceedings of the National Academy of Sciences of the United States of America·2026

相关实验视频

Updated: Jul 13, 2025

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts
06:31

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts

Published on: September 27, 2018

8.2K

在作弊合作者动态中的平衡和振荡.

Ming Liu1, Geoff Wild2, Stuart A West1

  • 1Department of Biology, University of Oxford, Oxford, United Kingdom.

Evolution letters
|October 13, 2023
PubMed
概括
此摘要是机器生成的。

欺骗者威胁合作,但它们的种群动态不同. 周期性瓶和密度依赖的选择是欺骗合作者相互作用周期性振荡的关键,而不仅仅是频率依赖的选择.

关键词:
循环动力学的循环动力学.密度依赖关系密度依赖关系频率的依赖性 频率的依赖性人口瓶 人口瓶序列通道的序列通道是一个序列通道.随机群组的形成 随机群组的形成

更多相关视频

The HoneyComb Paradigm for Research on Collective Human Behavior
06:48

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

9.4K
Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline
10:44

Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline

Published on: December 7, 2021

2.2K

相关实验视频

Last Updated: Jul 13, 2025

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts
06:31

Reconstitution of Cell-cycle Oscillations in Microemulsions of Cell-free Xenopus Egg Extracts

Published on: September 27, 2018

8.2K
The HoneyComb Paradigm for Research on Collective Human Behavior
06:48

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

9.4K
Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline
10:44

Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline

Published on: December 7, 2021

2.2K

科学领域:

  • 进化生物学是进化的生物学.
  • 理论生态学的理论生态学.
  • 游戏理论的游戏理论.

背景情况:

  • 合作社面临着剥削他人"骗子"的威胁.
  • 观察到的作弊合作者动态在不同的生物和系统中存在很大差异.
  • 推动这些多样化的动态的根本因素仍然不太清楚.

研究的目的:

  • 开发一个理论模型,识别决定作弊合作者动态的因素.
  • 区分导致稳定平衡的条件与周期性振荡的条件.
  • 为作弊-合作者动态提供实验可测试的假设.

主要方法:

  • 开发一个分析作弊合作者人口动态的理论模型.
  • 包括诸如周期性人口瓶,密度依赖选择和频率依赖选择等因素.
  • 对随机群组形成的影响分析 (人口随机性).

主要成果:

  • 在作弊-合作者动态中的周期性振荡需要周期性人口瓶和密度依赖选择的组合.
  • 取决于频率的选择会影响振荡幅度,但不仅仅是导致振荡.
  • 人口随机性可以在较长的时间范围内产生明显的振荡模式.

结论:

  • 周期性瓶和密度依赖的选择对于产生周期性作弊合作者动态至关重要.
  • 生态和进化因素的相互作用塑造了合作的稳定性.
  • 这项研究为实证研究提供了一个框架,研究合作的维持和作弊的演变.