N-ALKANES

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Features of the spatial and seasonal distribution of hydrocarbons in water of the North Crimean Canal,Crimea
《Acta Geochimica》2025年第2期247-259,共13页O.V.Soloveva E.A.Tikhonova N.Yu.Mirzoeva 
This work has been supported by the Russian Science Foundation;Project No.23-26-00128,“The role of the North Crimean Canal irrigation system in the processes of transfer of long-lived radionuclides of the Chernobyl origin,heavy metals,as well as hydrocarbons with the Dnieper water to the irrigated farmlands of Crimea”。
The North Crimean Canal is a watercourse originating from the Kakhovka Reservoir and flowing into the Crimean Peninsula.The canal is an important source of drinking water supply and is also used to irrigate agricultur...
关键词：Aliphatic hydrocarbons N-ALKANES WATER Indexes North Crimean canal CRIMEA 
Insights into the provenance implication of leaf wax n-alkanes along the lower Yellow River
《Science China Earth Sciences》2024年第6期2001-2018,共18页Liang ZHANG Jinzhao LIU Chong JIANG Fei ZHANG Zhisheng AN 
supported by the Chinese Academy of Sciences(Grant No.ZDBSLY-DQC033);the National Natural Science Foundation of China(Grant Nos.42073017&42030512)。
Serving as one of the largest rivers in terms of both sediment and organic carbon transport fluxes in the world,the Yellow River plays a crucial role in regional biogeochemical process as well as in the global carbon ...
关键词：Molecular distribution Hydrogen isotopic composition Leaf wax n-alkanes Suspended sediments Lower Yellow River 
A re-evaluation of the average chain length of lacustrine sedimentary n-alkanes as a paleoproxy on the Qinghai-Tibet Plateau
《Frontiers of Earth Science》2023年第4期905-919,共15页Mingda WANG Qin LI Jaime TONEY David HENDERSON Juzhi HOU 
financially supported by the National Natural Science Foundation of China(Grant No.42171159);the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(No.2019QZKK0601).
Long-chain n-alkanes are one of the most common organic compounds in terrestrial plants and they are well-preserved in various geological archives.n-alkanes are relatively resistant to degradation and thus they can pr...
关键词：ACL average chain length N-ALKANES leaf wax lake sediments Qinghai-Tibet Plateau 
Polycyclic aromatic hydrocarbons (PAHs) in a sediment core from Lake Taihu and their associations with sedimentary organic matter
《Journal of Environmental Sciences》2023年第7期79-89,共11页Yong He Xiangyu Wang Zhaobin Zhang 
The first author,Yong He,is funded by the Shanghai Tongji Gao Tingyao Environmental Science&Technology Development Foundation(STGEF).This work is also supported by the Field Practice of Environmental Sciences from College of Urban&Environmental Sciences(CUES),Peking University.The authors thank those who participated in field sampling works and those who gave necessary assistance.Yong He also thanks the Instrument Platform of CUES for GC-MS support.The Article Publishing Charge(APC)is paid by Yong He using his scholarship received from STGEF.
Sediment core is the recorder of polycyclic aromatic hydrocarbon(PAH)pollutions and the associated sedimentary organic matter(SOM),acting as crucial supports for pollution control and environmental management.Here,the...
关键词：Polycyclic aromatic hydrocarbons (PAHs) N-ALKANES Sedimentary records COMPOSITION Toxicity assessment Lake Taihu 
Last glacial terrestrial vegetation record of leaf wax n-alkanols in the northern South China Sea:Contrast to scenarios from longchain n-alkanes被引量：1
《Acta Oceanologica Sinica》2022年第8期22-30,共9页Shengyi Mao Guodong Jia Xiaowei Zhu Nengyou Wu Daidai Wu Hongxiang Guan Lihua Liu 
The Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou)under contract No.GML2019ZD0104;the Science and Technology Program of Guangzhou,China under contract No.201804010264;the Guangdong MEPP Fund under contract No.GDOE[2019]A41;the National Natural Science Foundation of China under contract No.41706059;the Fund of Institution of South China Sea Ecology and Environmental Engineering,Chinese Academy of Sciences under contract No.ISEE2020YB05;the State Key R&D Project under contract No.2016YFA0601104。
Long-chain n-alkanols and n-alkanes in core sediments from the northern South China Sea(SCS)were measured to make a comparison during terrestrial vegetation reconstruction from~42 ka to~7 ka.The results showed that te...
关键词：South China Sea long-chain n-alkanols long-chain n-alkanes Last Glacial Maximum terrestrial vegetation record 
Analysis of imbibition of n-alkanes in kerogen slits by molecular dynamics simulation for characterization of shale oil rocks被引量：3
《Petroleum Science》2022年第3期1236-1249,共14页Qian Sang Xin-Yi Zhao Hui-Min Liu Ming-Zhe Dong 
financially supported by the National Natural Science Foundation of China(Grant No.52004317,42090024);the Natural Science Foundation of Shandong Province of China(No.ZR2020ME091);the Fundamental Research Funds for the Central Universities(20CX06016A);the National Science and Technology Major Project(2017ZX05049-004)
Shale oil formations contain both inorganic and organic media.The organic matter holds both free oil in the pores and dissolved oil within the kerogen molecules.The free oil flow in organic pores and the dissolved oil...
关键词：Molecular flow IMBIBITION N-ALKANE Kerogen slit Molecular dynamics simulation 
Variability in pattern and hydrogen isotope composition(δ^(2)H)of long-chain n-alkanes of surface soils and its relations to climate and vegetation characteristics:A meta-analysis
《Pedosphere》2022年第3期369-380,共12页Guo CHEN Xiaozhen LI Xiaolu TANG Wenyi QIN Haitao LIU Michael ZECH Karl AUERSWALD 
supported by the National Natural Science Foundation of China(Nos.41803008 and 31901090);Sichuan Science and Technology Program,China(No.2020YJ0170);Everest Scientific Research Project of Chengdu University of Technology,China(No.800002020ZF11410)。
The average chain length(ACL),carbon preference index(CPI),and hydrogen isotope composition(δ^(2)H)of long-chain n-alkanes in sediments have been used to retrieve information about the paleoclimate.Despite their impo...
关键词：average chain length(ACL) ALTITUDE carbon preference index(CPI) leaf water moisture precipitation TOPSOIL vegetation type 
Molecular Orbital Nature of Solubility of Shot Chain n-Alkanes in Water and Their Reaction Rate Constants with Nitronium Cations: A DFT Study
《International Journal of Organic Chemistry》2022年第2期92-101,共10页Mikhail Yu. Gorbachev Natalia N. Gorinchoy 
The new theoretical models describe both the solubility S of the shot chain n-alkanes in water at 298.15 K, and their reaction rate constants k with nitronium cation NO2+ at 293.15 K on the basis...
关键词：Solubility in Water Reaction Rate Constants N-ALKANES Nitronium Cations Orbital Controlled Interactions DFT Calculations 
广西十万大山背景点PM_(2.5)中非极性有机气溶胶组成及来源解析被引量：3
《环境科学》2022年第6期2895-2905,共11页邢佳莉 曹芳 王谦 张煜娴 章炎麟 
国家自然科学基金项目(41977185,41977305,41761144056);江苏省双创团队;江苏省杰出青年基金项目(BK20180040)。
大气细颗粒物(PM_(2.5))中的非极性化合物包括多环芳烃(PAHs)和正构烷烃(n-alkanes)等,通常用于识别污染来源,且对人体健康和环境有很重要的影响.为探究广西背景点PM_(2.5)中非极性有机气溶胶的污染特征及来源,于2017年11月至2018年10月...
关键词：非极性化合物 多环芳烃(PAHs) 正构烷烃(n-alkanes) 后向轨迹分析 主成分分析 
N-alkanes Proved as a Novel Cooling Material,Green and Safe
《Bulletin of the Chinese Academy of Sciences》2022年第1期50-51,共2页ZHAO Weiwei 
In a new study,published on Nature Communications,scientists led by Prof.TONG Peng at the Institute of Solid State Physics,Hefei Institutes of Physical Science(HFIPS),Chinese Academy of Sciences(CAS),described how the...
关键词：technology. ALKANES providing 
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