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関連する概念動画

Heating and Cooling Curves02:44

Heating and Cooling Curves

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When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves.
For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance, q, and its...
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Thermal expansion and Thermal stress: Problem Solving01:27

Thermal expansion and Thermal stress: Problem Solving

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San Francisco's Golden Gate Bridge is exposed to temperatures ranging from -15 °C to 40 °C. At its coldest, the main span of the bridge is 1275 m long. Assuming that the bridge is made entirely of steel, what is the change in its length between these temperatures?
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in temperature (ΔT) is 55...
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Acid-Base Titration Curves02:23

Acid-Base Titration Curves

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A titration curve is a plot of some solution property versus the amount of added titrant. For acid-base titrations, solution pH is a useful property to monitor because it varies predictably with the solution composition and, therefore, may be used to monitor the titration’s progress and detect its endpoint. Acid-base titration can be performed with a strong acid and a strong base, a strong acid and a weak base, or a strong base and a weak acid.
For a titration carried out for 25.00 mL of...
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Thermal Strain01:19

Thermal Strain

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Thermal strain is a concept that arises when we consider how temperature changes affect structures. Unlike the conventional assumption that structures remain constant under load, real-world scenarios often involve temperature fluctuations that can significantly impact these structures. Consider a homogeneous rod with a uniform cross-section resting freely on a flat horizontal surface. If the rod's temperature increases, the rod elongates. This elongation is proportional to the temperature...
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Thermal Expansion01:22

Thermal Expansion

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The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, which is the change in size or volume of a given system as its temperature changes. The most visible example is the expansion of hot air. When air is heated, it expands and becomes less dense than the surrounding air, which then exerts an upward force on the hot air to, for example, make steam and smoke rise, and hot air balloons float. The same behavior happens in all liquids and gases,...
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Thermal Stress01:09

Thermal Stress

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If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...
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Updated: Feb 7, 2026

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
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柔軟な熱性能曲線モデル

Mauricio Cruz-Loya1, Erin A Mordecai1, Van M Savage2,3,4

  • 1Department of Biology, Stanford University, Stanford, California, USA.

Ecology
|February 6, 2026
PubMed
まとめ
この要約は機械生成です。

生物の温度応答のための新しいモデルであるflexTPCを開発しました。解釈可能な生物学的パラメータを使用し、多様な生物にわたる熱性能曲線（TPC）を正確に記述します。

キーワード:
ブリエールモデル気候変動外温動物感染症生態学生活史形質数理モデル温度熱性能曲線熱応答

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科学分野:

  • 生態学
  • 進化生物学
  • 生理学

背景:

  • 生物学的形質は、現象論的または機構的にモデル化された熱性能曲線（TPC）を示すことがよくあります。
  • 既存のTPCモデルには、柔軟性または生物学的解釈可能性が欠けています。

研究 の 目的:

  • TPCのための新しいモデルであるflexTPCを導入します。
  • 生物学的に意味のある量を使用してTPCをパラメータ化します。
  • 温度依存的な生物学的応答の柔軟で解釈可能なモデリングを可能にします。

主な方法:

  • 熱的最小値、最適値、最大値、ピーク値、および幅を使用したモデルであるflexTPCを開発しました。
  • flexTPCを微生物および昆虫学のデータセットに適用しました。
  • flexTPCの性能をBriereモデルと比較しました。

主要な成果:

  • flexTPCは、様々な歪みと幅を持つTPCを正確に記述します。
  • flexTPCは、テストされたデータセットにおいて、Briereモデルと比較して優れた予測性能を示しました。
  • モデルのパラメータは、生物学的な用語で直接解釈可能です。

結論:

  • flexTPCは、TPCをモデル化するための柔軟で解釈可能で予測的なアプローチを提供します。
  • 熱応答が環境要因とともに変化したり進化したりする様子を研究するのに理想的です。
  • 熱性能の種間および形質間の比較を容易にします。