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Related Concept Videos

Masonry in Cold and Hot Weather Conditions01:21

Masonry in Cold and Hot Weather Conditions

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In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
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Decreased Body Temperature01:29

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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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Cold Weather Concreting01:27

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When freshly poured concrete is exposed to freezing temperatures before it has set, the water within the concrete can freeze. This expansion disrupts the setting process, delays chemical reactions necessary for hardening, and increases the volume of pores within the hardened concrete, which weakens its overall structure. If the concrete manages to reach an appreciable strength before it freezes, the damage can be somewhat mitigated.
To counteract the negative impacts of cold weather, ensuring...
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Responses to Heat and Cold Stress02:45

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Factors Affecting Body Temperature01:28

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As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
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Requirements for Human Life01:26

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The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
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Related Experiment Video

Updated: Jul 21, 2025

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
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Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

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Introduction: Training is more important than technology (for performance in the cold).

Karl E Friedl1, Henriette Hasselstrom2, Boris R M Kingma3

  • 1Office of Science & Technology, U.S. Army Research Institute of Environmental Medicine, Natick, MA, USA.

International Journal of Circumpolar Health
|July 27, 2023
PubMed
Summary
This summary is machine-generated.

Developing effective solutions for soldiers operating in extreme cold requires iterative testing in real environments. Specialized Arctic training is crucial for ensuring soldier performance and survival in harsh conditions.

Keywords:
Military personnelcold injury preventioncold-wetmanual dexterityperformancepredictive physiological modelsresearch requirementstreatment in the cold

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Area of Science:

  • Military medicine
  • Human factors engineering
  • Arctic operations

Background:

  • Over 50 years of research has defined cold weather challenges for soldiers, but solutions remain slow.
  • Existing research requirements are known, necessitating practical implementation strategies.

Purpose of the Study:

  • To highlight advancements and renewed efforts in addressing human biomedical challenges in Arctic operations.
  • To emphasize the importance of translating lab-based solutions to real-world soldier environments.

Main Methods:

  • The content is based on presentations from a North Atlantic Treaty Organization (NATO) Human Factors and Medicine panel symposium.
  • Focus on iterative testing of proposed solutions with soldiers in operational settings.

Main Results:

  • Technology offers aid, but soldier training is paramount for performance and survival in extreme cold.
  • The symposium underscored the need for integrated approaches to health and performance in Arctic environments.

Conclusions:

  • Continued investment in specialized Arctic forces training is essential for mission success.
  • Implementing novel health and performance solutions will enhance soldier capabilities in extreme cold environments.