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Air microwave-induced plasma: Detection of NO in the post-discharge using an ArF laser

AbstractArF laser-induced fluorescence (LIF) spectroscopy was applied to the investigation of the density of NO achieved in the post-discharge of an N2-O2 microwave-induced plasma (2450 MHz). The fluorescence spectrum provides a determination of NO vibrational temperature downstream the discharge.

出版机构:Springer US

刊物名称:Plasma Chemistry and Plasma Processing

出版时间:1993

ISSN:0272-4324

数据源:报刊文摘

Estimating molecular masses of petroleum-derived fractions: High mass (>2000u) materials in maltenes and asphaltenes from Maya crude oil

Molecular mass ranges and average masses of fractions from a heavy Mexican crude oil (Maya) have been studied, using mainly size exclusion chromatography (SEC) and laser desorption-mass spectrometry (LD-MS).

出版机构:Elsevier Science

刊物名称:Journal of Chromatography A

出版时间:2010

ISSN:0021-9673

数据源:报刊文摘

Photochemical capacity after submersion in darkness: How Amazonian floodplain trees cope with extreme flooding

We used maximum quantum yield of photosystem II (PSII) to study the functional state of Amazonian floodplain tree species after prolonged submergence. Saplings of four common tree evergreen species which maintain their leaves when submerged were analysed.

出版机构:Elsevier Science

刊物名称:Aquatic Botany

出版时间:2010

ISSN:0304-3770

数据源:报刊文摘

Construction of two mercury(II) coordination frameworks involving in situ tetrazole ligand synthesis

Two novel mercury(II)-organic polymeric complexes [HgCl(pzta)] n (1) and [Hg3Cl2(pzta)4(H2O)2] n (2) [pzta = pyrazinyl tetrazolate] were obtained by in situ synthesis of pyrazinyl tetrazolate from the reaction of pyrazinecarbonitrile with sodium azide in the presence of mercury(II) salts.

出版机构:Elsevier Science

刊物名称:Inorganic Chemistry Communications

出版时间:2010

ISSN:1387-7003

数据源:报刊文摘

A new family of trinuclear Ru(II) polypyridyl complexes acting as pH-induced fluorescence switch

Tripodal ligands 1,3,5-tris{4-((1,10-phenanthroline-[5,6-d]imidazol-2-yl)phenoxy)methyl}-2,4,6-trimethylbenzene (L1), 1,1,1-tris{4-((1,10-phenanthroline-[5,6-d]imidazol-2-yl)phenoxy)methyl}propane (L2), 2,2?,2??

出版机构:Elsevier Science

刊物名称:Inorganic Chemistry Communications

出版时间:2010

ISSN:1387-7003

数据源:报刊文摘

Syntheses, characterization and fluorescent properties of two series of dehydroabietic acid C-ring derivatives

Two series of dehydroabietic acid C-ring derivatives, nitrogen-containing heterocycles (6a?9b) and C-12 substituted compounds (10a?11b), were synthesized and characterized by element analysis, IR, NMR and MS. The UV?

出版机构:Elsevier Science

刊物名称:Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

出版时间:2010

ISSN:1386-1425

数据源:报刊文摘

Recent trends in quantitative aspects of microscopic X-ray fluorescence analysis

This first part also includes recent papers that aim to characterize the heterogeneity of standards useful for calibrating ?-XRF set-ups.

出版机构:Elsevier Science

刊物名称:Trends in Analytical Chemistry

出版时间:2010

ISSN:0165-9936

数据源:报刊文摘

Synchrotron radiation-induced total reflection X-ray fluorescence analysis

Synchrotron radiation-induced total reflection X-ray fluorescence (SR-TXRF) analysis is a high sensitive analytical technique that offers limits of detection in the femtogram range for most elements.

出版机构:Elsevier Science

刊物名称:Trends in Analytical Chemistry

出版时间:2010

ISSN:0165-9936

数据源:报刊文摘

X-ray photon-in/photon-out methods for chemical imaging

Most interesting materials in nature are heterogeneous, so it is useful to have analytical techniques with spatial resolution sufficient to resolve these heterogeneities. This article presents the basics of X-ray photon-in/photon-out chemical imaging.

出版机构:Elsevier Science

刊物名称:Trends in Analytical Chemistry

出版时间:2010

ISSN:0165-9936

数据源:报刊文摘

Double Functional Group Transformations for Fluorescent Probe Construction: A Fluorescence Turn-On Probe for Thioureas

No Abstract

出版机构:WILEY‐VCH Verlag

刊物名称:Chemistry - A European Journal

出版时间:2010

ISSN:0947-6539

数据源:报刊文摘