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Smog chamber

Inter-comparison of laboratory smog chamber and flow reactor systems on organic aerosol yield and composition

Inter-comparison of laboratory smog chamber and flow reactor systems on organic aerosol yield and composition

... Bulk aerosol composition was influenced by the chemical transformations of the reactants in each device as well as by the ratio of primary to secondary products. To separate the effects of chemistry and yields on the ...

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A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques

A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques

... Abstract. A microfluidic lab-on-a-chip derivatisation tech- nique has been developed to measure part per billion (ppbV) mixing ratios of gaseous glyoxal (GLY) and methylgly- oxal (MGLY), and the method is compared with ...

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A portable dual-smog-chamber system for atmospheric aerosol field studies

A portable dual-smog-chamber system for atmospheric aerosol field studies

... portable smog cham- ber facilities for different ...3 smog chamber, installed in a vehicle, to study the ozone formation in ambi- ent ...portable smog chamber facility was also ...

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Characterizaiton and simulation of isoprene photooxidation from smog chamber studies

Characterizaiton and simulation of isoprene photooxidation from smog chamber studies

... Also shown in Figure 4-1a are the SOA mass in the smog chamber (wall-loss uncorrected) vs. time presented in particle mass concentration for the humid-dry experiments. On 2010OCT21, the dry side started ...

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A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques

A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques

... Abstract. A microfluidic lab-on-a-chip derivatisation tech- nique has been developed to measure part per billion (ppbV) mixing ratios of gaseous glyoxal (GLY) and methylgly- oxal (MGLY), and the method is compared with ...

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A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques

A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques

... A new and near automated microfluidic “lab-on-a-chip” derivatisation technique has been developed for the sensi- tive measurement of gas-phase glyoxal (GLY) and methyl- glyoxal (MGLY), and has been tested in a series of ...

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Constraining a hybrid volatility basis-set model for aging of wood-burning emissions using smog chamber experiments: a box-model study based on the VBS scheme of the CAMx model (v5.40)

Constraining a hybrid volatility basis-set model for aging of wood-burning emissions using smog chamber experiments: a box-model study based on the VBS scheme of the CAMx model (v5.40)

... the smog chamber ( ∼ 7 m 3 ) through a heated line (423 ...The smog chamber had an av- erage relative humidity (RH) of 50 % over all eight exper- ...the chamber, to trace the OH ...

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Interferences of commercial NO 2instruments in the urban atmosphere and in a smog chamber

Interferences of commercial NO 2instruments in the urban atmosphere and in a smog chamber

... To demonstrate, that the negative interferences observed for photolytic converters can also be of importance in the open urban atmosphere, two chemiluminescence instruments (ECO and Ansyco blue light) were compared with ...

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Particle wall-loss correction methods in smog chamber experiments

Particle wall-loss correction methods in smog chamber experiments

... the chamber walls can introduce excess electro- static forces within the chamber and thus introduce signifi- cant uncertainty in the particle loss ...the chamber walls such as touching the walls or ...

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Development, characterization and first deployment of an improved online reactive oxygen species analyzer

Development, characterization and first deployment of an improved online reactive oxygen species analyzer

... The evolution of ROS measured by the online method is shown in Fig. 5 for one exemplary smog chamber aging ex- periment. Injection of the wood combustion emissions led to a primary organic aerosol (POA) ...

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1065.pdf

1065.pdf

... (Outdoor Smog Chamber Experimental Conditions Information ...the smog chamber experiments conducted in the Outdoor Smog Chamber of the University of North Carolina at Chapel Hill ...

154

Vapour Explosion Chamber

Vapour Explosion Chamber

... the chamber of the injector can be controlled by selecting a parameter or multiple parameters of the ejection process, such as the period of time that the exhaust valve is open for, the temperature and pressure of ...

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A new plant chamber facility, PLUS, coupled to the atmosphere simulation chamber SAPHIR

A new plant chamber facility, PLUS, coupled to the atmosphere simulation chamber SAPHIR

... the chamber provides the frame for the ...exchange chamber, the stem and leaves protrude through one of six holes in the table into the gas exchange volume, while the soil is kept beneath the ...

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Changes in Anterior Segment Parameters after Penetrating Keratoplasty for Keratoconus

Changes in Anterior Segment Parameters after Penetrating Keratoplasty for Keratoconus

... In conclusion; due to a shallower ACD, and a more flattened cornea, hyperopic shift (mean spherical equivalent; +4.23 ±3.44 diopters) was seen 13 months after PK surgery in our study. However, flat corneal curvature may ...

5

Ecological Effects of Global Warming & Climate Change

Ecological Effects of Global Warming & Climate Change

... water, smog-filled atmosphere, horrifying toll of cancer and respiratory diseases, piling industrial and household wastes, depleting natural resource have and loss of bio- diversity are contributing to the ...

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Research on the Factors Affecting Regional Smog in China—Based on Spatial Panel Model

Research on the Factors Affecting Regional Smog in China—Based on Spatial Panel Model

... on smog pollution are significantly positive both in the short-term and long-term, and the indirect effects of the two phases are posi- tive, indicating the increase in demand due to economic growth has made the ...

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Study of Single Chamber and Double Chamber Efficiency and Losses of Wastewater Treatment

Study of Single Chamber and Double Chamber Efficiency and Losses of Wastewater Treatment

... cathode chamber by an electrical ...anode chamber go into the cathode chamber by and large by method for a particle penetrable film between the two chambers which finish the electrical ...

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Volatile Organic Compounds in the Biosphere-Atmosphere System (VOCBAS)

Volatile Organic Compounds in the Biosphere-Atmosphere System (VOCBAS)

... Moreover, by altering the concentrations of the hydroxyl radical in the atmosphere, VOCs may subsequently alter the lifetime of radiatively active trace gases, including methane, in the atmosphere. The interaction ...

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Smog can Cost More than What We are Earning Now:  A Case Study of Fangshan District in Beijing, China

Smog can Cost More than What We are Earning Now: A Case Study of Fangshan District in Beijing, China

... conclusion, smog impacts on human beings basically on human health and socio-economic ...where smog has appeared or has appearing, people who live in smog have higher rate of getting diseases such as ...

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A quality assessment of orthodontic patient information leaflets

A quality assessment of orthodontic patient information leaflets

... The DISCERN instrument comprises of a 16-item questionnaire, divided into three domains: reliability (items 1–8), specific information related to treatment choices (items 9–15), and an overall rating of the quality (item ...

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