Temperature-dependent composition of summertime PM2.5 in observations and model predictions across the Eastern U.S [0.03%]
美国东部夏季PM2.5的温度依赖性变化及其在观测和模拟中的成分分布差异
Pietro F Vannucci,Kristen Foley,Benjamin N Murphy et al.
Pietro F Vannucci et al.
Throughout the U.S., summertime fine particulate matter (PM2.5) exhibits a strong temperature (T) dependence. Reducing the PM2.5 enhancement with T could reduce the public health burden of PM2.5 now and in a warmer future. Atmospheric model...
Harvest Initiated Volatile Organic Compound Emissions from In-Field Tall Wheatgrass [0.03%]
来自田间的黄花茅人工收获挥发性有机化合物的排放研究
Gregory W Vandergrift,Sheryl L Bell,Shannon E Schrader et al.
Gregory W Vandergrift et al.
While crop and grassland usage continues to increase, the full diversity of plant-specific volatile organic compounds (VOCs) emitted from these ecosystems, including their implications for atmospheric chemistry and carbon cycling, remains p...
Experimental Gas-Phase Removal of OH Radicals in the Presence of NH2C(O)H over the 11.7-353 K Range: Implications in the Chemistry of the Interstellar Medium and the Earth's Atmosphere [0.03%]
实验研究了氨甲基甲醛存在下羟基自由基在11.7-353K温度范围内的气相淬灭：对星际介质和地球大气化学的意义
Daniel González,Sara Espinosa,María Antiñolo et al.
Daniel González et al.
Formamide (NH2C(O)H) has been observed both in the interstellar medium (ISM), being identified as a potential precursor of prebiotic molecules in space, and in the Earth's atmosphere. In these environments where temperature is very distinct...
Reactant Discovery with an Ab Initio Nanoreactor: Exploration of Astrophysical N-Heterocycle Precursors and Formation Pathways [0.03%]
从头算纳米反应器中的反应物发现：探索天体物理N杂环前体及其形成途径
Sommer L Johansen,Heejune Park,Lee-Ping Wang et al.
Sommer L Johansen et al.
The incorporation of nitrogen atoms into cyclic compounds is essential for terrestrial life; nitrogen-containing (N-)heterocycles make up DNA and RNA nucleobases, several amino acids, B vitamins, porphyrins, and other components of biomolec...
A Network Approach for the Accurate Characterization of Water Lines Observable in Astronomical Masers and Extragalactic Environments [0.03%]
一种用于表征天文马赫反射体和星系际环境中可观察水线的网络方法
Wim Ubachs,Attila G Császár,Meissa L Diouf et al.
Wim Ubachs et al.
The water molecule, crucial to the chemical composition and dynamics of the universe, is typically identified in its gas phase via radio and submillimeter transitions, with frequencies up to a few THz. To understand the physicochemical beha...
Effects of Wind Speed on Size-Dependent Morphology and Composition of Sea Spray Aerosols [0.03%]
风速对海洋飞沫气溶胶尺寸依赖性形态和组成的影响
Chamika K Madawala,Carolina Molina,Deborah Kim et al.
Chamika K Madawala et al.
Variable wind speeds over the ocean can have a significant impact on the formation mechanism and physical-chemical properties of sea spray aerosols (SSA), which in turn influence their climate-relevant impacts. Herein, for the first time, w...
Role of Source, Mineralogy, and Organic Complexation on Lability and Fe Isotopic Composition of Terrestrial Fe sources to the Gulf of Alaska [0.03%]
陆地铁源对阿留申海沟铁的易利用性和同位素组成的作用：来源、矿物学和有机络合的作用
Linqing Huang,Sarah M Aarons,Bess G Koffman et al.
Linqing Huang et al.
Iron (Fe) is a key trace nutrient supporting marine primary production, and its deposition in the surface ocean can impact multiple biogeochemical cycles. Understanding Fe cycling in the subarctic is key for tracking the fate of particulate...
Photolytic Mass Loss of Humic Substances Measured with a Quartz Crystal Microbalance [0.03%]
紫外光解反应中腐殖质的损耗行为——石英晶体微天平法研究
Mingrui Sun,Geoffrey D Smith
Mingrui Sun
Laboratory studies have shown that photolytic mass loss can be a significant sink for secondary organic aerosol (SOA). Here, we use a quartz crystal microbalance to measure mass loss of Suwannee River Humic Acid (SRHA) and Suwannee River Fu...
Formation of S-Bearing Complex Organic Molecules in Interstellar Clouds via Ice Reactions with C2H2, HS, and Atomic H [0.03%]
星际云中含硫复杂有机分子通过冰相与C₂H₂、HS和原子H反应形成的研究
Julia C Santos,Joan Enrique-Romero,Thanja Lamberts et al.
Julia C Santos et al.
The chemical network governing interstellar sulfur has been the topic of unrelenting discussion for the past few decades due to the conspicuous discrepancy between its expected and observed abundances in different interstellar environments....
Effect of Nitrogen on the Structure and Composition of Primordial Organic Matter Analogs [0.03%]
氮对原始有机质类祖体结构和组成的影响研究
Pauline Lévêque,Clémence Queffelec,Christophe Sotin et al.
Pauline Lévêque et al.
Organic molecules are ubiquitous in primitive solar system bodies such as comets and asteroids. These primordial organic compounds may have formed in the interstellar medium and in protoplanetary disks (PPDs) before being accreted and furth...