Chemical Differences in Environmental Films Collected on Surfaces with Different Hydrophilicity [0.03%]
不同亲水性表面采集的环境薄膜的化学差异
Jessica L DeYoung,Uchechukwu Grace Akporere,Zezhen Cheng et al.
Jessica L DeYoung et al.
Environmental films form when airborne particles and molecular species adsorb on solid surfaces. Recent studies have characterized these films but overlook how collection methods and host-surface character (orientation, chemical functionali...
Laboratory Studies on the Influence of Hydrogen on Titan-like Photochemistry [0.03%]
氢对土卫六类光化学影响的实验室研究
Melissa S Ugelow,Scott T Wieman,Madeline C R Schwarz et al.
Melissa S Ugelow et al.
Laboratory investigations of photochemical reactions in simulated Titan-like atmospheric systems provide insight into the formation of gas and aerosol products and the influence of different environmental parameters on the types of organic ...
Ion Spectroscopy in the Context of the Diffuse Interstellar Bands: A Case Study with the Phenylacetylene Cation [0.03%]
弥漫星际带背景下离子光谱的研究——以苯乙炔阳离子为例
Thomas E Douglas-Walker,Ewen K Campbell,Francis C Daly et al.
Thomas E Douglas-Walker et al.
Identification of the molecular carriers of diffuse interstellar bands (DIBs) requires gas phase electronic spectra of suitable candidate structures. Recording the spectra of these in the laboratory is challenging because they include large...
Experimental and Theoretical Investigation of the Reaction of C2H with Formaldehyde (CH2O) at Very Low Temperatures and Application to Astrochemical Models [0.03%]
低温下C2H与甲醛反应的实验和理论研究及在天体化学模型中的应用
Kevin M Douglas,Niclas A West,Daniel I Lucas et al.
Kevin M Douglas et al.
Rate coefficients for the reaction of C2H with CH2O were measured for the first time over the temperature range of 37-603 K, with the C2H radicals produced by pulsed laser photolysis and detected by CH radical chemiluminescence following th...
Solar Wind Irradiation of Methane and Methane-Water Ices: A Molecular Dynamics Approach [0.03%]
基于分子动力学的太阳风照射甲烷及含水甲烷冰的研究
Alessandra Ricca,Justin B Haskins
Alessandra Ricca
Molecular dynamics simulations were performed to characterize reaction products, resulting from solar wind irradiation, namely, H+, of methane and methane-water ices. In our approach, we used seven 0.829 keV H+ (total energy of 5.8 keV), wi...
Kinetics and Oligomer Products of the Multiphase Reactions of Hydroxyacetone with Atmospheric Amines, Ammonium Sulfate, and Cloud Processing [0.03%]
羟基丙酮与大气胺、硫酸铵及云水反应的多相反应动力学及其低聚物产物研究
David O De Haan,Lelia Nahid Hawkins,Elyse A Pennington et al.
David O De Haan et al.
Hydroxyacetone (HA) is an atmospheric oxidation product of isoprene and other organic precursors that can form brown carbon (BrC). Measured bulk aqueous-phase reaction rates of HA with ammonium sulfate, methylamine, and glycine suggest that...
Model-Measurement Comparisons for Surfactant-Containing Aerosol Droplets [0.03%]
含表面活性剂的气溶胶液滴的模型与测量对比研究
Alison Bain,Nønne L Prisle,Bryan R Bzdek
Alison Bain
Surfactants are important components of atmospheric aerosols, potentially impacting their hygroscopic growth and eventual activation into cloud droplets. By adsorbing at the air-water interface, surfactants lower the surface tension of aque...
Wavelength- and pH-Dependent Optical Properties of Aqueous Aerosol Particles Containing 4-Nitrocatechol [0.03%]
含4-硝基邻苯二酚的气溶胶颗粒的光学特性及其与波长和pH值的关系
Jamie W Knight,Josephine E M Forsythe,Xu Zhang et al.
Jamie W Knight et al.
The radiative forcing caused by atmospheric aerosol represents one of the largest uncertainties in climate models. In part, these uncertainties derive from poor characterizations of the optical properties of light-absorbing brown carbon (Br...
Chemical Differences between Phenolic Secondary Organic Aerosol Formed through Gas-Phase and Aqueous-Phase Reactions [0.03%]
气相和液相反应形成的酚类二次有机气溶胶的化学差异分析
Wenqing Jiang,Lu Yu,Lindsay Yee et al.
Wenqing Jiang et al.
Phenolic compounds, which are significant emissions from biomass burning (BB), undergo rapid photochemical reactions in both gas and aqueous phases to form secondary organic aerosol, namely, gasSOA and aqSOA, respectively. The formation of ...
The Effect of Salinity on the Dielectric Permittivity of Nanoconfined Geofluids [0.03%]
盐度对纳米限制地层流体介电常数的影响
Alireza Chogani,Helen E King,Aleksandar Živković et al.
Alireza Chogani et al.
Nanoporosity is a characteristic feature of geological formations that provides potential pathways for geofluids to meander and interact with minerals. Confinement of water within nanopores leads to unique phenomena. The dielectric constant...