Quantum Chemical Insights into the Dissociation of Phenol: Shedding Light on Impact Ionization Mass Spectrometry for Icy Moon Exploration [0.03%]
量子化学视角下的苯酚解离研究——揭示影响离子化质谱在冰态月球探索中的作用
Thomas R O&#x;Sullivan,Partha P Bera,Nozair Khawaja et al.
Thomas R O&#x;Sullivan et al.
Ice grains emitted by the Saturnian moon Enceladus were sampled by Cassini's Cosmic Dust Analyser (CDA) using impact ionization mass spectrometry. CDA revealed that Enceladus hosts a rich organic and inorganic chemical inventory in its subs...
Atom Addition Formation of Thionylimide (HNSO) on Interstellar Dust Grains: Chemical Routes Requiring Oxygen and Nitrogen Atom Surface Diffusion [0.03%]
星际尘粒表面硫氧酰亚胺(HNSO)的原子加成形成机制：需要氧氮原子表面扩散的化学路径
Juan Carlos Del Valle,Miguel Sanz-Novo,Johannes Kästner et al.
Juan Carlos Del Valle et al.
We investigate the formation of the recently detected HNSO molecule using quantum chemical calculations on ices and astrochemical models in tandem. Our results indicate that HNSO is efficiently produced on grain surfaces through reactions i...
In Situ ATR-FTIR Nonisothermal Kinetic Analysis of Struvite-Dittmarite Thermal Transformation [0.03%]
原位ATR-FTIR非等温动力学分析Struvite-Dittmarite热转化过程
Sherif Hefney,Damilola Tomi Awotoye,Neal Fairley et al.
Sherif Hefney et al.
The thermal transformation of magnesium ammonium phosphate hydrates is highly relevant to environmental processes including physicochemical mechanisms associated with nutrient recovery and release. In this study, a nonisothermal kinetic fra...
Swift Heavy Ion-Induced Chemistry of CH3CN Ices at 10 and 80 K [0.03%]
10K和80K下CH3CN冰的 Swift 离子诱导化学反应
Ana Lucia Ferreira de Barros,Cintia Aparecida Pires da Costa,Yahia Murhej et al.
Ana Lucia Ferreira de Barros et al.
Acetonitrile (CH3CN) is a key nitrogen-bearing molecule detected in a variety of astrophysical environments and is considered a potential precursor of prebiotic compounds. The study aimed to investigate the stability and radiation chemistry...
Spectroscopic Analysis of the Complex Refractive Indices for Imine Brown Carbon Aerosol Particles [0.03%]
亚胺棕色碳气溶胶颗粒的复折射率光谱分析研究
Simon Xi Chen,Gwen R Lawson,James D Allan et al.
Simon Xi Chen et al.
Brown carbon (BrC) contributes substantially to light absorption by atmospheric aerosols, which represents a key uncertainty in estimates of aerosol radiative forcing. Among its diverse constituents, imine BrC formed from aqueous reactions ...
Rebecca Mikula,Zoltan Sternovsky,Steven P Armes et al.
Rebecca Mikula et al.
Upcoming space missions flying dust impact ionization mass spectrometers will detect and analyze dust grains that are partially organic in composition. These organic components are expected to include mixtures of polycyclic aromatic hydroca...
GETCO2: A Compact and Portable System for Automated Gas Transfer Velocity Measurements of Natural Waters [0.03%]
GETCO2：一种用于天然水体气体传输速度自动测量的紧凑型便携式系统
Sevda Norouzi,Ryan Pereira
Sevda Norouzi
To enhance our understanding of surfactants in the exchange of climatically active gases across the water-atmosphere interface, we introduce a novel CO2 gas exchange tank equipped with a gas transfer velocity (k w) estimation tool, signific...
Importance of Particle-Phase Reactions in the Growth of Newly Formed Particles [0.03%]
颗粒相反应在新生颗粒生长中的重要作用
Vignesh Vasudevan-Geetha,Lee Tiszenkel,Zhizhao Wang et al.
Vignesh Vasudevan-Geetha et al.
New particle formation (NPF) is a chemistry-driven process that results in the formation of secondary aerosols and is the main source of global cloud condensation nuclei. Currently, the majority of NPF parametrizations consider volatility-b...
Protonation-Induced Chemical Transformations in Mass Spectrometry: Implications for Detecting Complex Organics on Icy Moons [0.03%]
质谱中质子引发的化学转化：对冰态卫星上复杂有机物探测的影响
Lucía Hortal Sánchez,Maryse Napoleoni,Ernesto Brunet et al.
Lucía Hortal Sánchez et al.
Impact ionization mass spectrometers, such as Cassini's Cosmic Dust Analyzer, are capable of detecting macromolecular organic compounds in ice grains ejected from icy moons such as Enceladus and Europa. The identification of their chemical ...
Structure-Activity Relationships for 1,3-Dipolar Cycloaddition Reactions of Criegee Intermediates with Carbonyls [0.03%]
克赖吉中间体与羰基的亲电三重氢环加成反应的结构活性关系研究
Zachary A Cornwell,Jonas J Enders,Bridget Ferris et al.
Zachary A Cornwell et al.
Carbonyl oxides, or Criegee intermediates (CIs), are key species formed during the ozonolysis of alkenes and are an important atmospheric oxidant. However, direct measurements of CI gas-phase rate constants for many atmospherically relevant...