Characterization of the HIMU Mantle Source from Noble Gas Isotopes in Volcanic Gas Emissions in São Tomé (Cameroon Volcanic Line) [0.03%]
圣多美火山气体中的稀有气体同位素组成及 HIMU 型地幔源性质特征研究（喀麦隆火山带）
Arno Lastes,David V Bekaert,Bouchaib Tibari et al.
Arno Lastes et al.
The source of volcanism in the Cameroon volcanic line remains unresolved. To better constrain the mantle components involved, we measure light noble gas (He-Ne-Ar) isotopes and, for the first time, heavy noble gas (Kr-Xe) isotopes in mantle...
Photothermal Polarimetric Nanoscopy: An Emerging Technique for Fingerprinting Minerals of Extraterrestrial Origin [0.03%]
光热偏振纳米显微镜：识别地外矿物的新技术
T Shay,K Hinrichs,S G Pavlov et al.
T Shay et al.
Nanospectroscopic investigations of the mineralogical composition of materials returned via sample-return missions are crucial for our understanding of the origin and evolution of planetary objects in our Solar System. Here, we show that th...
Reproducibility of Radiokrypton in Deep Desert Aquifers: Insights from a Decade of Research [0.03%]
深层沙漠含水层放射性氪的可重复性：十年研究的见解
Roi Ram,Eilon M Adar,Werner Aeschbach et al.
Roi Ram et al.
Great technical advances have been achieved since the first atom-trap trace analysis (ATTA) -based radiokrypton application in Egypt, where 1 Myr old groundwater was discovered. Beyond advances in ATTA measurement capabilities, including re...
Laboratory Infrared Spectra and Band Strengths of Carbonyl Sulfide (OCS) in CH3OH- and CO-Rich Ice Mixtures for Analyzing Interstellar Ice Observations [0.03%]
甲醇和二氧化碳丰富冰混合物中羰基硫光谱实验室红外光谱和带强度以分析星际冰观测结果
Katerina Slavicinska,Charlotte Coone,Bryce Benz et al.
Katerina Slavicinska et al.
Carbonyl sulfide (OCS) is currently the only securely detected sulfur-bearing species in interstellar ices, making it an ideal window into solid-state sulfur chemistry in dense star-forming regions. Previous astronomical observations of the...
JWST Observations of Segregated 12CO2 and 13CO2 Ices in Protostellar Envelopes [0.03%]
詹姆斯·韦伯空间望远镜观测到原恒星包层中分离的12CO2和13CO2冰分子
N G C Brunken,A C A Boogert,E F van Dishoeck et al.
N G C Brunken et al.
The evolution of interstellar ices can be studied with thermal tracers such as the vibrational modes of CO2 ice that show great diversity depending on their local chemical and thermal environment. Now with the wide spectral coverage and sen...
Laboratory Measurements of Ferric Chloride (FeCl3) under Venusian Conditions [0.03%]
飞天条件下氯化铁(FeCl3)的实验室测量研究
Joanna V Egan,Alexander D James,John M C Plane
Joanna V Egan
Ferric chloride (FeCl3) in sulfuric acid cloud droplets has been proposed to explain the inhomogeneous near-ultraviolet (UV) absorption visible at the Venusian cloud tops. However, the absorption spectrum of FeCl3 in concentrated sulfuric a...
Dicyanoacetylene (NC4N) Formation in the CN + Cyanoacetylene (HC3N) Reaction: A Combined Crossed-Molecular Beams and Theoretical Study [0.03%]
CN+氢氰酸反应中二氰基乙炔(NC4N)的形成：交叉分子束与理论相结合的研究
Emília Valença Ferreira de Aragão,Pengxiao Liang,Luca Mancini et al.
Emília Valença Ferreira de Aragão et al.
Unsaturated nitriles are significant in prebiotic and astrochemistry. Dicyanoacetylene, in particular, is a possible precursor of uracil and was previously detected in Titan's atmosphere. Its null dipole moment hindered detection through ro...
Physicochemical Properties of α‑Pinene in Water Ice Analogs under Energetic Heavy-Ion Irradiation [0.03%]
α-蒎烯在能离子辐照下的水冰类似物中的理化性质研究
A L F de Barros,D V Doreste,A Ricca et al.
A L F de Barros et al.
Studying the physicochemical properties of ice in astronomical environments is crucial to understanding the chemical processes involved in cosmic events such as comet and planet formation. The physical characteristics and chemical evolution...
Airborne Microorganisms at Hellenic Atmospheric Aerosol and Climate Change Station in Helmos Mountain (Greece) [0.03%]
希腊赫尔墨斯山赫勒尼大气气溶胶和气候变化站的空气微生物菌群
Eleftheria Katsivela,Sofia Eirini Chatoutsidou,Aggeliki Saridaki et al.
Eleftheria Katsivela et al.
Cultural-based methods of bacteria and fungi and molecular identification of bacteria were combined with parallel continuous measurements of aerosol chemical composition, number size distribution, ice-nucleating concentration, and fluoresce...
Tire Rubber-Derived Cyclic Amines in Urban Ambient Particulate Matter in Shanghai [0.03%]
上海城市环境颗粒物中的橡胶衍生环状胺
Munila Abudumutailifu,Chengze Li,Haiping Xiong et al.
Munila Abudumutailifu et al.
Tire wear compounds (TWCs) and their byproducts have raised increasing environmental and health concerns due to their widespread production and release. In this study, a custom-designed versatile aerosol concentration enrichment system coup...