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相关概念视频

Phase Diagram01:19

Phase Diagram

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The phase of a given substance depends on the pressure and temperature. Thus, plots of pressure versus temperature showing the phase in each region provide considerable insights into the thermal properties of substances. Such plots are known as phase diagrams. For instance, in the phase diagram for water (Figure 1), the solid curve boundaries between the phases indicate phase transitions (i.e., temperatures and pressures at which the phases coexist).
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Phase Diagrams02:39

Phase Diagrams

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A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
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Positive Regulator Molecules01:45

Positive Regulator Molecules

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To consistently produce healthy cells, the cell cycle—the process that generates daughter cells—must be precisely regulated.
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Current Growth And Decay In RL Circuits01:30

Current Growth And Decay In RL Circuits

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The current growth and decay in RL circuits can be understood by considering a series RL circuit consisting of a resistor, an inductor, a constant source of emf, and two switches. When the first switch is closed, the circuit is equivalent to a single-loop circuit consisting of a resistor and an inductor connected to a source of emf. In this case, the source of emf produces a current in the circuit. If there were no self-inductance in the circuit, the current would rise immediately to a steady...
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Cells Coordinate Growth and Proliferation02:36

Cells Coordinate Growth and Proliferation

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Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...
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The Cell Cycle Control System01:28

The Cell Cycle Control System

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The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
Cyclins and cyclin-dependent kinases (Cdks) are the primary cell cycle regulators and...
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相关实验视频

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Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
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图形细胞自动机中的动态相位转换.

Freya Behrens1, Barbora Hudcová2,3, Lenka Zdeborová1

  • 1Statistical Physics Of Computation Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.

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概括
此摘要是机器生成的。

在随机图表上的图表细胞自动机允许对复杂系统动态进行分析洞察. 这项研究引入了"合规不合规"规则,揭示了意见形成模型中的阶段过渡.

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科学领域:

  • 复杂的系统复杂的系统.
  • 统计物理 统计物理
  • 网络科学 网络科学

背景情况:

  • 离散的动态系统,就像细胞自动机一样,从简单的局部规则显示复杂的全球行为.
  • 分析传统蜂自动机的全球动态往往是具有分析挑战性的,因为它们有规律的网格结构.

研究的目的:

  • 介绍和分析随机图上的图形细胞自动机 (GCA) 作为一个更易处理的模型.
  • 调查GCA的全球动态,特别是那些与GCA相关的动态.
  • 合规的不合规主义者
  • 更新规则,使用分析方法.

主要方法:

  • 开发和应用动态腔法及其回溯变种.
  • 在稀疏的随机图上分析GCA,以获得非对称的精确结果.
  • 使用GCA与特定更新规则建模意见形成动态.

主要成果:

  • 动态腔法为随机图上GCA提供了分析处理能力.
  • 鉴定了GCA中的急剧动态相位过渡与GCA中的急剧动态相位过渡
  • 合规的不合规主义者
  • 规则. 规则. 这些规则.
  • 在收速度和吸引力类型方面表征过渡,与共识和意见共存有关.

结论:

  • 将网格结构放松为随机图显著提高了对细胞自动机动态的分析理解.
  • 这是一个很棒的节目,这是一个很棒的节目.
  • 合规的不合规主义者
  • GCA模型为研究意见形成和预测共识出现提供了一个新的框架.
  • 这些发现提供了对形成共识的条件的洞察力,而不是在社会或信息网络中持久共存的意见.