Response of Particle Measuring Systems Airborne ASASP and PCASP to NaCl and Latex Particles

Response of Particle Measuring Systems Airborne ASASP and PCASP to NaCl and Latex Particles
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颗粒测量系统机载 ASASP 和 PCASP 对 NaCl 和乳胶颗粒的响应

DOI:
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发表时间:
1992
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影响因子:
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通讯作者:
M. Wasey
M. Wasey
中科院分区:
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文献类型:
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作者:
Peter S. K. Liu;W. Leaitch;J. Strapp;M. Wasey

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粒子测量系统公司的回应。(PMS)用机载被动腔气溶胶光谱仪探头(PCASP)和机载PMS主动散射气溶胶光谱仪探头(ASASP)对直径为0.074-1.07 μm(± 5%)的NaCl和聚苯乙烯乳胶球的近单分散气溶胶进行了测量。使用Thermo System Inc.静电分级机。还借助于扫描电子显微镜对颗粒进行尺寸测定。考虑了近立方NaCl颗粒的三种当量直径:平均长宽、截面当量直径和体积当量直径。对于线性直径,探针对乳胶和NaCl颗粒的响应非常相似。然而,横截面和体积当量直径的使用导致NaCl的尺寸显著小于乳胶球,这与球形(即,乳胶)和立方体几何形状(即,NaCl)。U...
The response of a Particle Measuring Systems, Inc. (PMS) airborne Passive Cavity Aerosol Spectrometer Probe (PCASP)-100X and a PMS airborne Active Scattering Aerosol Spectrometer Probe (ASASP)-100X to nearly monodisperse aerosols of NaCl and polystyrene latex spheres in the size range 0.074–1.07 μm diameter (± 5%) are examined. Particles < 0.34 μm are size classified by electrical mobility using a Thermo System Inc. Electrostatic Classifier. The particles are also sized with the aid of a scanning electron microscope. Three equivalent diameters for the near cubic NaCl particles are considered: average of length and breadth, and cross section equivalent and volume equivalent diameters. For the linear diameter, the probes' response to latex and NaCl particles is quite similar. However, the use of cross section and volume equivalent diameter leads NaCl to be sized significantly less than the latex spheres consistent with reported differences between spherical (i.e., latex) and cubical geometry (i.e., NaCl). U...