[PDF] Top 20 Can ozone be used to calibrate aerosol photoacoustic spectrometers?
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Can ozone be used to calibrate aerosol photoacoustic spectrometers?
... of ozone inside the PAS when exposed to a 532 nm continuous-wave laser and observed that adding small amounts (< 5 %) of oxygen to the sample line changed the calibration slope significantly to bring it more in ... See full document
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On the accuracy of aerosol photoacoustic spectrometer calibrations using absorption by ozone
... Photoacoustic detection cells based on the dual-resonator design of Lack et al. (2012a) were used. These cells were identical to those used by Bluvshtein et al. (2017) except that the planar windows ... See full document
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Brewer spectrometer total ozone column measurements in Sodankylä
... total ozone above Antarc- tica diminishes during Antarctic spring (Farman et ...of ozone – in theory, this concept had been sug- gested already by Molina and Rowland ...the Ozone Layer in 1985, and ... See full document
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Investigation of aerosol optical properties on regional climate forcing and Spatial and temporal distributions of aerosol and ozone associated with the Antarctic polar vortex processes
... interest. Aerosol physical properties measured by means of remote sensing may be good tracers of dynamical, chemical and physical processes in the lower part of the middle ...Antarctic Ozone Experiment, ... See full document
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The impact of bath gas composition on the calibration of photoacoustic spectrometers with ozone at discrete visible wavelengths spanning the Chappuis band
... We used two cavity ring-down spectrometers with identical configurations, albeit using different laser sources and cav- ity mirrors optimised for two different ...of ozone in the Chappuis band and ... See full document
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Improving ozone profile retrieval from spaceborne UV backscatter spectrometers using convergence behaviour diagnostics
... the Ozone Profile Retrieval Algo- rithm (OPERA) (Van Oss and Spurr, 2002; Van der A et ...is used operationally for ozone profile retrievals from GOME-2 data in near real ... See full document
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A novel approach to calibrating a photoacoustic absorption spectrometer using polydisperse absorbing aerosol
... To calibrate the scattering channel, polydisperse ammonium sulfate was at- omized, dried, and diluted following the methods described in ...sulfate aerosol is varied to achieve extinction coefficient values ... See full document
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Evaluation of the new capture vapourizer for aerosol mass spectrometers (AMS) through laboratory studies of inorganic species
... point can now be evaluated for the CV using the AMS / CPC mass ratio data in ...is used, possibly because important SV processes such as particle bounce onto colder ionizer surfaces are suppressed with the ... See full document
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Aerosol light absorption from optical measurements of PTFE membrane filter samples: sensitivity analysis of optical depth measures
... ing aerosol light absorption from transmittance and/or re- flectance measurements through filter deposits is an attrac- tive option because of their ease of deployment in field set- tings, low cost, and the ... See full document
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Evaluating biases in filter-based aerosol absorption measurements using photoacoustic spectroscopy
... ambient aerosol samples them- selves as the spot edges were more clearly ...ambient aerosol were difficult to de- tect as the filter spot was changed at the start of each day when measurements were ...the ... See full document
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<p>Can Venous Blood Gas Be Used as an Alternative to Arterial Blood Gas in Intubated Patients at Admission to the Emergency Department? A Retrospective Study</p>
... is painful and may lead to complications including bleed- ing and hematoma, infection, embolization and the occurrence of aneurysms 1 or even compartment syndrome. 2 Another clinically well-known disadvantage of arterial ... See full document
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A novel single-cavity three-wavelength photoacoustic spectrometer for atmospheric aerosol research
... were used as surrogates for atmospheric com- bustion particles with different organic ...novel photoacoustic spectrometer for ambient aerosol mea- ... See full document
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To Analyse How Blockchain Technology can be used to Securely Store Different Information Sources
... transactions can be supplemented by rules for preserving consistency and then become so-called smart ...processes can be radically improved in the context of re- engineering and, in some cases, can ... See full document
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Can emollients of similar composition be assumed to be therapeutically equivalent: a comparison of skin occlusivity and emulsion microstructure
... (Bemis Company, Inc, Oshkosh, WI, USA) and stainless steel clips. The receptor chambers of the diffusion cells were filled with PBS solution (PBS, pH = 7.4; Oxoid Ltd., Basingstoke, Hampshire, UK) to bathe the undersides ... See full document
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High Intensity Pulsed Picosecond Positron Beam for Nanophase Examination.
... As mentioned previously, the Monte Carlo routine written to determine the extraction efficiency of different moderator designs was able to record the location, kinetic energy and component velocities of particles emitted ... See full document
200
A concept of an automated function control for ambient aerosol measurements using mobility particle size spectrometers
... of aerosol particles in time and space (Bates et ...scribe aerosol particles in atmospheric chemistry transport ...Atmospheric Aerosol Research), ACTRIS (Aerosols, Clouds, and Trace Gases Research ... See full document
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Salamander pigment patterns: how can they be used to study developmental mechanisms and their evolutionary transformation?
... Int J Dev Bioi 40 871 884 (1996) 871 Salamander pigment patterns how can they be used to study developmental mechanisms and their evolutionary transformation? DAVID M PARICHY* Section of Evolution and[.] ... See full document
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Can adherence to antihypertensive therapy be used to promote adherence to statin therapy?
... Comparisons of adherence rates and proportions achieving adherence used Wilcoxon rank-sum tests for continuous variables and chi-square tests for categorical variables. Kaplan-Meier analysis was carried out to ... See full document
11
Can the object be a comrade?
... we can see that the political approach that has tried most consistently to peel back the mystical character of the commodity has been the fair trade ...that can be easily dispelled through somewhat polite ... See full document
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A Novel Calibration Method Based on Vanishing Points and Lines for Linear Structured Light Vision Sensor
... it can be ...technique can be divided into the following two categories: (1) obtaining light plane parameters by fitting calibration points; (2) Two-step method: firstly, determine the normal vector; ... See full document
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