Laboratory study of physical barrier efficiency for worker protection against SARS-CoV-2 while standing or sitting [0.03%]
站立或就坐时物理屏障对预防SARS-CoV-2感染的防护效果研究
Jacob Bartels,Cheryl Fairfield Estill,I-Chen Chen et al.
Jacob Bartels et al.
Transparent barriers were installed as a response to the SARS-COV-2 pandemic in many customer-facing industries. Transparent barriers are an engineering control that intercept particles traveling between customers and workers. Information o...
Continuous flow hygroscopicity-resolved relaxed eddy accumulation (Hy-Res REA) method of measuring size-resolved sodium chloride particle fluxes [0.03%]
连续流动的湿度分辨松弛-eddy累积法(Hy-Res REA)测量粒径分辨的氯化钠颗粒通量
N Meskhidze,T M Royalty,B N Phillips et al.
N Meskhidze et al.
The accurate representation of aerosols in climate models requires direct ambient measurement of the size- and composition-dependent particle production fluxes. Here, we present the design, testing, and analysis of data collected through th...
Experimental verification of principal losses in a regulatory particulate matter emissions sampling system for aircraft turbine engines [0.03%]
航空涡轮发动机颗粒物排放采样系统的原理性损耗的实验验证研究
D B Kittelson,J Swanson,M Aldridge et al.
D B Kittelson et al.
A sampling system for measuring emissions of nonvolatile particulate matter (nvPM) from aircraft gas turbine engines has been developed to replace the use of smoke number and is used for international regulatory purposes. This sampling syst...
Laboratory Determination of Gravimetric Correction Factors for Real-time Area Measurements of Electronic Cigarette Aerosols [0.03%]
电子烟气溶胶面积测量的实时吸入浓度质量修正因子的实验室测定方法研究
Sinan Sousan,Jack Pender,Dillon Streuber et al.
Sinan Sousan et al.
Research on secondhand electronic cigarette (ECIG) aerosol exposure using aerosol monitors has demonstrated that ECIG use can generate high concentrations of particulate matter (PM) and impact indoor air quality. However, quantifying indoor...
Evaluation of total and inhalable samplers for the collection of carbon nanotube and carbon nanofiber aerosols [0.03%]
用于收集碳纳米管和碳纳米纤维气溶胶的总颗粒和可吸入颗粒采样器的评价研究
Matthew M Dahm,Douglas E Evans,Stephen Bertke et al.
Matthew M Dahm et al.
A growing number of carbon nanotubes and nanofibers (CNT/F) exposure and epidemiologic studies have utilized 25-mm and 37-mm open-faced cassettes (OFC) to assess the inhalable aerosol fraction. It has been previously established that the 37...
Development of Polydisperse Aerosol Generation and Measurement Procedures for Wind Tunnel Evaluation of Size-Selective Aerosol Samplers [0.03%]
多分散气溶胶发生及测量方法的开发用于风洞评价粒度选择性气溶胶采样器
Andrew Dart,Jonathan D Krug,Carlton L Witherspoon et al.
Andrew Dart et al.
Accurate development and evaluation of inlets for representatively collecting ambient particulate matter typically involves use of monodisperse particles in aerosol wind tunnels. However, the resource requirements of using monodisperse aero...
Quantifying elemental and organic carbon in diesel particulate matter by mid-infrared spectrometry [0.03%]
通过中红外光谱定量分析柴油颗粒物中的元素碳和有机碳
David A Parks,Peter R Griffiths,Andrew T Weakley et al.
David A Parks et al.
A method for the quantification of airborne organic carbon (OC) and elemental carbon (EC) within aerosolized diesel particulate matter (DPM) is described in this article. DPM is a known carcinogen encountered in many industrial workplaces (...
Combining sensor-based measurement and modeling of PM2.5 and black carbon in assessing exposure to indoor aerosols [0.03%]
基于传感器的测量和模型相结合评估室内颗粒物暴露水平(PM2.5和黑碳)
Jennie Cox,Seung-Hyun Cho,Patrick Ryan et al.
Jennie Cox et al.
Accurate, cost-effective methods are needed for rapid assessment of traffic-related air pollution (TRAP). Typically, real-time data of particulate matter (PM) from portable sensors have been adjusted using data from reference methods such a...
Influence of Ash-Soot Interactions on the Reactivity of Soot from a Gasoline Direct Injection Engine [0.03%]
汽油直接喷射发动机中灰分与烟炭相互作用对烟炭反应性的影响
Jordan Easter,Stanislav Bohac,John Hoard et al.
Jordan Easter et al.
Gasoline particulate filters (GPF) are being utilized in certain markets on gasoline direct injection (GDI) vehicles to reduce tailpipe particulate emissions as required by particle number regulations. GPF filtration efficiency is dependent...
Coupling an online ion conductivity measurement with the particle-into-liquid sampler: Evaluation and modeling using laboratory and field aerosol data [0.03%]
在线离子电导率测量与气溶胶在线液化器联用:利用实验室和现场实验数据进行评估及模型构建
Ewan Crosbie,Michael A Shook,Luke D Ziemba et al.
Ewan Crosbie et al.
A particle-into-liquid sampler (PILS) was coupled to a flow-through conductivity cell to provide a continuous, nondestructive, online measurement in support of offline ion chromatography analysis. The conductivity measurement provides a rap...