搜索结果: 1-15 共查到“理学 desorption”相关记录21条 . 查询时间(0.093 秒)
Enrichment of trace elements in ferromanganese concretions from terra rossa and their potential desorption
dolomite karst weathering terra rossa ferromanganese concretions simulated acid rain toxic element desorption
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2017/4/11
The distributions of trace elements in ferromanganese concretions (FMCs) and the surrounding terra rossa (TR) matrix
overlying dolomite have been examined to extend our understanding of their mobiliz...
Anomalous Deformation of Palladium Plates by a Small Gravitational Force during Hydrogen Absorption and Desorption
Anomalous Deformation Palladium Plates Small Gravitational Force
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2010/11/22
In order to investigate the anomalous deformation of palladium metal during hydrogen absorption and desorption cycles we measured the dynamical changes of the bending and extension of a palladium plat...
Analysis of the chemical composition of organic aerosol at the Mt. Sonnblick observatory using a novel high mass resolution thermal-desorption proton-transfer-reaction mass-spectrometer (hr-TD-PTR-MS)
the chemical composition organic aerosol the Mt. Sonnblick observatory hr-TD-PTR-MS
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2010/11/3
For the first time a high mass resolution thermal desorption proton transfer reaction mass spectrometer (hr-TD-PTR-MS) was deployed in the field to analyze the composition of the organic fraction of a...
Visualization of Spatial Distribution of γ-Aminobutyric Acid in Eggplant (Solanum melongena) by Matrix-assisted Laser Desorption/Ionization Imaging Mass Spectrometry
Visualization Spatial Distribution γ-Aminobutyric Acid
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2010/9/14
We applied imaging mass spectrometry (IMS) to determine the spatial distribution of γ-aminobutyric acid (GABA). We found that GABA had a specific localization in seeds. We also visualized various biom...
Aerosol analysis using a Thermal-Desorption Proton-Transfer-Reaction Mass Spectrometer (TD-PTR-MS):a new approach to study processing of organic aerosols
Aerosol analysis Thermal-Desorption Proton-Transfer-Reaction Mass Spectrometer organic aerosols
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2010/3/5
We present a novel analytical approach to measure the chemical composition of organic aerosol. The new instrument combines proton-transfer-reaction mass-spectrometry (PTR-MS) with a collection-thermal...
Equilibrium desorption isotherms of water, ethanol, ethyl acetate, and toluene on a sodium smectite clay
Clay Dynamic vapour sorption Ethanol Ethyl acetate Knudsen thermogravimetry Smectite Sorption isotherm Toluene Water
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2011/11/10
Abstract Desorption isotherms for water, ethanol, ethyl acetate and toluene from a sodium smectite clay have been determined by both dynamic vapor sorption (DVS) measurements and Knudsen thermogravim...
Desorption of benzoic and stearic acid adsorbed upon montmorillonites: a thermogravimetric study
Thermogravimetric analysis Differential thermogravimetric analysis Montmorillonites Desorption Benzoic acid Stearic acid
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2011/11/11
The desorption of benzoic acid and stearic acid from sodium and calcium montmorillonites has been studied using thermogravimetric and differential thermogravimetric analysis. Desorption of benzoic aci...
Direct Ionization Desorption of Fullerene by Intense Femtosecond Laser Fields
C60 Solid Femtosecond Ionization
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2009/6/1
We investigated the direct ionization and desorption of solid C60 by the irradiation of femtosecond nonresonant (neutral and cationic states) pulses at 1.4 µm. We concluded that ion desorption i...
No detectable aerobic methane efflux from plant material,nor from adsorption/desorption processes
aerobic methane efflux plant material adsorption desorption processes
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2010/1/18
In early 2006, Keppler et al. (Nature, 439:187–191) reported a novel finding that plant leaves, and even simple organic materials, can release methane under aerobic conditions. We investigated here wh...
A Time-of-flight Mass Spectrometric Study of the Laser Desorption Dissociation of C60 and C70
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2007/7/28
期刊信息
篇名
A Time-of-flight Mass Spectrometric Study of the Laser Desorption Dissociation of C60 and C70
语种
英文
撰写或编译
作者
Shenyi Wang,LeiZu,Jianzhaong Lu,Peinan Wang and Yufen Li
第一作者单位
刊物名称
Chin.Science B...
Y-SNP typing with the matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
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2007/7/28
期刊信息
篇名
Y-SNP typing with the matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
语种
英文
撰写或编译
撰写
作者
Hou YP*,Shi MS,Liao LC,Yan J,Zhang J,Wu J,Li YB
第一作者单位
Sichuan University
...
Photon Stimulated Ion Desorption of Condensed CO2 at ~ 85 K Studied by Synchrotron Radiation
Photon stimulated ion desorption (PSID) Condensed carbon dioxide Synchrotron radiation
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2010/9/29
Photon stimulated ion desorption (PSID) from condensed carbon dioxide has been studied for photon excitation energies ranging from 93 to 193 eV. PSID studies have been performed at the Brazilian synch...
Sorption–desorption of cadmium in aqueous palygorskite, sepiolite,and calcite suspensions: Isotherm hysteresis
Cd Hysteretic adsorption Release Reversibility
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2011/11/4
Sorption isotherms have been widely used to assess the heavy metal retention characteristics of soil particles. Desorption behavior of the retained metals, however, usually differ from that of sorptio...
Analysis of the Essential Oil Composition of Sideritis albiflora Using Direct Thermal Desorption and Headspace GC-MS Techniques
Thermal desorption headspace GC/MS essential oil Sideritis albiflora Hub.-Mor
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2010/4/20
The main constituents of Sideritis albiflora were found to be trans-caryophyllene, a-pinene, b-pinene, g-cadinene, pulegone, and caryophyllene oxide by both thermal desorption GC/MS and headspace GC/M...
Modeling Adsorption-Desorption Processes of Cd on Montmorillonite
Cadmium Cation Adsorption Model Hysteresis Montmorillonite
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2011/12/8
Abstract: Adsorption-desorption of Cd to Ca montmorillonite (SAz-1) was studied at concentrations ranging from 44.5 to 266.8 礛. An adsorption model was employed in the analysis of the data. The proced...