Results 61 to 70 of about 158,830 (405)
Photolysis and hydrolysis of rimsulfuron
Pesticide Science, 1999 The degradation in the liquid phase of rimsulfuron and its commercial 250 g kg−1 WG formulation (Titus®) was investigated. Photolysis reactions were carried out at 25 °C by a high-pressure mercury arc (Hg-UV) and a solar simulator (Suntest), while the hydrolysis rate was determined by keeping aqueous buffered samples in the dark. The effects of solvent
SCRANO, Laura +4 more
openaire +2 more sources
Química Nova, 2009 The decolorization of acid orange 7 azo dye by photolysis and photocatalysis by ZnO was investigated in the presence of oxidants such as NaClO3, NaBrO3, NaIO4, and K2S2O8 in an open reactor at 30 ºC.
Adriana Campano Lucilha, Keiko Takashima
doaj +1 more source
Source of Atomic Hydrogen in the Atmosphere of HD 209458b [PDF]
Astrophys.J.596:L247-L250,2003, 2003 Atomic hydrogen loss at the top of HD 209458b's atmosphere has been recently detected Vidal-Madjar et al. 2003. We have developed a 1-dimensional model to study the chemistry in the upper atmosphere of this extrasolar "hot jupiter". The 3 most abundant elements (other than He), as well as 4 parent molecules are included in this model, viz., H, C, O, H2,
arxiv +1 more source
Environmental Science and Technology, 2018 A sequential combination of membrane treatment and UV-based advanced oxidation processes (UV/AOP) has become the industry standard for potable water reuse. Chloramines are used as membrane antifouling agents and therefore carried over into the UV/AOP. In
Wei Li +5 more
semanticscholar +1 more source
Diphenylcarbene Protected by Four ortho-Iodine Groups: An Unusually Persistent Triplet Carbene
Molecules, 2016 Diphenyldiazomethane with four iodine groups at the ortho positions and two tert-butyl groups at the para positions, i.e., bis(4-tert-butyl-2,6-diiodophenyl)diazomethane (1a-N2), was synthesized as a sterically hindered triplet carbene precursor ...
Katsuyuki Hirai +3 more
doaj +1 more source
Frontiers in Nutrition, 2022 Pesticide residues are of great significant issue that exerted adverse effects on humans. There is a need for effective and non-toxic decontamination of pesticide residues during food processing. In this minireview, the recent advances in the degradation
Qian Xiao +6 more
doaj +1 more source
LABORATORY INVESTIGATION OF X-RAY PHOTOLYSIS OF METHANOL ICE AND ITS IMPLICATION ON ASTROPHYSICAL ENVIRONMENTS [PDF]
Química Nova, 2020 Methanol (CH3OH) is one of the most abundant organic molecules in astrophysical environments. It has been found in cold regions such as surfaces of comets, ices near young stellar objects and protoplanetary disks, as well as in the gas phase in different
Fabricio M. Freitas, Sérgio Pilling
doaj +2 more sources
Strong depletion of $^{13}$C in CO induced by photolysis of CO$_{2}$ in the Martian atmosphere calculated by a photochemical model [PDF]
arXiv, 2023 The isotopic signature of atmospheric carbon offers a unique tracer for the history of the Martian atmosphere and the origin of organic matter on Mars. Photolysis of CO$_{2}$ is known to induce strong isotopic fractionation of carbon between CO$_{2}$ and CO.
arxiv
Predicted Abundances of Carbon Compounds in Volcanic Gases on Io [PDF]
Astrophys.J. 618 (2005) 1079-1085, 2004 We use chemical equilibrium calculations to model the speciation of carbon in volcanic gases on Io. The calculations cover wide temperature (500-2000 K), pressure (10^-8 to 10^+2 bars), and composition ranges (bulk O/S atomic ratios \~0 to 3), which overlap the nominal conditions at Pele (1760 K, 0.01 bar, O/S ~ 1.5).
arxiv +1 more source
Positionally dependent ^(15)N fraction factors in the UV photolysis of N_2O determined by high resolution FTIR spectroscopy [PDF]
, 2000 Positionally dependent fractionation factors for the photolysis of isotopomers of N_2O in natural abundance have been determined by high resolution FTIR spectroscopy at three photolysis wavelengths.
Blake, G. A. +6 more
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