相关实验视频
Updated: Feb 14, 2026

13:51
Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
20.5K
2019年至2025年的环境时间活动模式:不同环境暴露的变化模式取决于工作状态和工作类型
Monica Caicedo Roa1, Dustin D Pearson1, John M Danforth1
1Robson DNA Science Centre, Department of Biochemistry & Molecular Biology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Alberta, Canada.
Environmental research
|February 12, 2026
概括
加拿大人大部分时间都在室内度过,在COVID-19大流行期间观察到的时间活动模式发生了重大变化. 对于一些人来说,这些模式正在恢复到基线,但远程工作继续影响许多专业人士在家花费的时间.
科学领域:
- 环境健康 环境健康
- 公共卫生 公共卫生
- 毒理学 毒理学 毒理学
背景情况:
- 环境暴露对人类健康产生重大影响.
- 准确估计有毒物质暴露需要了解时间活动模式 (TAP).
- 塔普是动态的,需要持续评估.
研究的目的:
- 报告加拿大成年人的年龄和性别标准化,人口加权的TAP.
- 分析2019-2025年TAP人口和时间变化.
- 评估COVID-19大流行对加拿大TAP的影响.
主要方法:
- 利用了来自不同人口结构的n=6443名加拿大成年人的数据.
- 分析了人口加权的TAP,根据年龄和性别进行了标准化.
- 在流行病前,流行病前和流行病后 (2019-2025) 期间比较TAP.
主要成果:
- 加拿大人86.1%的时间都在室内度过.
- 由于COVID-19的流行,在家里花费的时间增加了611.0小时/年,在非住宅建筑中的时间减少了442.4小时/年.
- 虽然一些群体回到大流行前的TAP,但特定行业的专业人士和远程工作者表现出持续的变化,在家里花费了更多时间.
结论:
- 人口和时间因素显著影响TAP.
- 了解这些转变对于准确的暴露评估至关重要.
- 调查结果为毒理学评估和与环境暴露相关的公共卫生策略提供了信息.
相关概念视频
Fixed Action Patterns
17.7K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.7K
Patterns of Fever
4.0K
Before understanding the types and patterns of fever, it is essential to know its phases.
4.0K
Oxygen Requirements and Growth Patterns
1.5K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.5K
The Integrated Rate Law: The Dependence of Concentration on Time
44.0K
While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
44.0K
¹H NMR Signal Multiplicity: Splitting Patterns
6.9K
When protons A and X are coupled, their nuclear spin energy levels are slightly modified. This is because the energy required to excite proton A to a spin state parallel to proton X is slightly different from the energy required for it to become anti-parallel to spin X. Consequently, there are two possible excitation frequencies for A (A1 and A2), depending on the spin state of X, and vice versa. The mutual nature of coupling implies that the difference between frequencies A1 and A2, indicated...
6.9K
Assessment of the Gastrointestinal System II: Health Perception Pattern
508
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
508

