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相关概念视频

Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

597
Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
597
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...
2.4K
Thermal expansion and Thermal stress: Problem Solving01:27

Thermal expansion and Thermal stress: Problem Solving

1.2K
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...
1.2K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

1.0K
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
1.0K
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

750
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
750
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

595
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
595

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相关实验视频

Updated: Jul 13, 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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验证一款先进的智能手机应用程序,用于在寒冷环境中提供热咨询.

Jakob Eggeling1, Christofer Rydenfält2, Amitava Halder3

  • 1Thermal Environment Laboratory, Division of Ergonomics and Aerosol Technology, Department of Design Sciences, Lund University, Sölvegatan 26, 223 62, Lund, Sweden. jakob.eggeling@design.lth.se.

International journal of biometeorology
|October 13, 2023
PubMed
概括

智能手机应用程序ClimApp准确地预测了寒冷天气中的个人热应激,其表现优于通用温度气候指数 (UTCI). 这种个性化的热预警系统在极端温度下提供了更好的安全性和舒适性.

关键词:
寒冷的环境 冷的环境寒冷的压力是冷的压力.预测模型的预测模型.安全和健康的安全和健康.

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科学领域:

  • 环境健康 环境健康
  • 人体生理学 人体生理学
  • 生物气象学生物气象学

背景情况:

  • 热和冷压力对健康构成重大风险,需要准确的个人热暴露评估.
  • 现有的热量指数往往缺乏个性化,这限制了它们对个人风险管理的有效性.

研究的目的:

  • 通过直接测量验证ClimApp应用程序的个性化热量指数,并将其性能与通用温度气候指数 (UTCI) 进行比较.
  • 评估ClimApp在预测寒冷户外条件下的个人热应激和应变方面的有效性.

主要方法:

  • 55名参与者暴露于室外温度≤10°C,为ClimApp应用程序提供活动水平和服装绝缘数据.
  • 计算了ClimApp和UTCI指数,并与参与者感知到的热感觉进行了比较.
  • 根平均平方偏差 (RMSD) 用于评估对感知热感觉的预测准确性.

主要成果:

  • ClimApp指数显示RMSD低于感知热感觉的标准偏差,表明一个有效的预测.
  • UTCI指数的RMSD超过了感知热感觉的标准偏差,这表明预测是无效的.
  • 无论是ClimApp还是UTCI,都显示出与感知到的热感的统计学上显著的相关性,但ClimApp更准确.

结论:

  • ClimApp应用程序提供了一种有效和个性化的方法,用于评估寒冷环境中的热应力.
  • ClimApp为个性化的热预警系统提供了优越的UTI替代方案,提高了用户的安全性和舒适性.