相关实验视频

Updated: Feb 7, 2026

Analyzing the Photo-oxidation of 2-propanol at Indoor Air Level Concentrations Using Field Asymmetric Ion Mobility Spectrometry
08:23

Analyzing the Photo-oxidation of 2-propanol at Indoor Air Level Concentrations Using Field Asymmetric Ion Mobility Spectrometry

Published on: June 14, 2018

9.2K

改善室内空气质量的联邦和州政策机会

Georgia K Lagoudas1, Sabrina M Chwalek1, Natalie Kopp1

  • 1Georgia K. Lagoudas, PhD, is a Senior Fellow, and Sabrina M. Chwalek, is a Visiting Fellow; both at the Pandemic Center, Brown University School of Public Health, Washington, DC. Natalie Kopp, is Director of Strategic Priorities, Center for Climate, Environment and Health, Brown University School of Public Health, Providence, RI. Joshua M. Wentzel, MS, is Assistant Director, and Ben C. Snyder is a Research Assistant; both at the Biosecurity and Pandemic Policy Center, Bush School of Government and Public Service, Texas A&M University, Washington, DC. Joseph G. Allen, DSc, MPH, is a Professor of Exposure Assessment Science, Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA. Elizabeth E. Cameron, PhD, is a Professor of the Practice, Department of Health Services, Policy, and Practice, Brown University School of Public Health, Providence, RI; and a Senior Advisor, Pandemic Center, Brown University School of Public Health, Washington, DC.

Health security
|February 5, 2026
PubMed
概括

改善美国建筑物的室内空气质量 (IAQ) 需要联邦和州的政策行动. 本评论概述了制定基于健康的IAQ目标的政策选择,并支持广泛采用清洁室内空气实践.

关键词:
生物安全是生物安全.室内空气质量 室内空气质量传染性疾病 传染性疾病国家战略/政策.公共卫生准备/反应

更多相关视频

Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg09:04

Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg

Published on: November 19, 2019

9.2K
Preparation of High-Quality Fermented Fish Product05:17

Preparation of High-Quality Fermented Fish Product

Published on: August 23, 2019

11.0K

相关概念视频

Quality Control01:05

Quality Control

Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
2.7K
Quality Assurance01:19

Quality Assurance

Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
2.4K
Quality of Water01:19

Quality of Water

In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
572
Air-entraining Agents01:27

Air-entraining Agents

Air-entraining agents improve the durability and workability of concrete in climates with frequent freezing and thawing. These agents prevent cracks by introducing small air bubbles into the mix, creating spaces accommodating water expansion when temperatures drop. The air-entraining agents lower the surface tension of water, forming stable, small air bubbles. This method is more effective than having accidental large voids, as the intentional, smaller, and evenly distributed air voids improve...
275
Pulse amplitude and quality01:17

Pulse amplitude and quality

Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
3.2K
Testing Water Quality01:14

Testing Water Quality

When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
392