Stability of ozone observations over NDACC lidar stations 

Get Complete Project Material File(s) Now! » PSCs and heterogeneous chemistry Normally, the stratosphere is very dry and cloudless even though a thin layer of aerosol (liquid-phase binary H2SO4/H2O droplets) is present in the lower stratosphere. But during polar night,...

A new molecule in space: Tentative detection of l-C3H+ in the Horsehead

Get Complete Project Material File(s) Now! » Gas phase chemistry In the gas phase, chemistry is driven by two-body reactions. Due to the very low densities in the ISM, three-body reactions have very low probabilities, and can be thus neglected....

Organic pollutant biodegradation at the sediment–water interface in a bench-scale river channel: insights of compound specific isotopes analysis (CSIA) 

Get Complete Project Material File(s) Now! » Direct and indirect photodegradation of atrazine and S-metolachlor in agriculturally impacted surface water and associated C and N isotope fractionation Limited knowledge of photodegradation-induced isotope fractionation hampers the application of compound-specific isotope analysis...

Development of a stripping coil-ion chromatograph method to measure atmospheric HONO

Get Complete Project Material File(s) Now! » Development of a stripping coil-ion chromatograph method to measure atmospheric HONO To summarize, this chapter described a stripping coil (SC) equipped with ion chromatograph (IC) to measure HONO, which was developed and assessed....

Peroxydisulfate activation by CuO pellet in a fixed-bed column for antibiotics degradation and urban wastewater disinfection

Get Complete Project Material File(s) Now! » Advanced oxidation processes AOPs were first proposed in the 1980s for potable water treatment and later were widely applied for the treatment of different wastewaters [32,33]. AOPs mainly rely on the highly reactive...

Summary of the relevant theory of molecular spectroscopy

Get Complete Project Material File(s) Now! » Chapter 2 Organic molecules in space What’s between stars, is there just a vacuum? Since quite long ago, people have been asking this question. At the end of the 18th century, the British...

LEWIS ACID AND REDOX CATALYTIC PROPERTIES OF TRIFLATE AND TRIFLIMIDE SALTS

Get Complete Project Material File(s) Now! » Limitation by charge or mass transfer The electrochemical current obtained may be easily related with the kinetics of the redox reaction by derivation of the Faraday law: with q the charge transferred, F...

Laboratory testing procedures to understand pesticide fate in surface waters

Get Complete Project Material File(s) Now! » Pesticide hydrolysis This section presents an extended summary of a previously published paper [Masbou et al., 2018]. This work started before the PhD and was published during. Specific results from this publication are...

Asymmetric UV photochemistry of cosmic ice analogs: induction of enantiomeric excesses in amino acids

Get Complete Project Material File(s) Now! » The interstellar dust cycle Interstellar dust is not static in the ISM, but rather in continuous evolution through what is known as the interstellar dust cycle (Greenberg 1982) schematically depicted in Fig. 1.4....

Treatment technology for glyphosate from environment

Get Complete Project Material File(s) Now! » Biological treatment Biodegradation of organic compounds is known as an effective and eco-friendly method to remove organic pollutants from the aqueous environment (Zhan et al., 2018). Various micro-organism, including bacteria and fungi, have...