搜索结果: 1-15 共查到“理学 Mass Spectrometer”相关记录18条 . 查询时间(0.078 秒)
Room Temperature Ultra-sensitive Mass Spectrometer via Dynamic Decoupling
Room Temperature Ultra-sensitive Mass Spectrometer Dynamic Decoupling
2016/1/22
We propose an ultrasensitive mass spectrometer based on a coupled quantum-bit-oscillator system. Under dynamical decoupling control of the quantum bit (qubit), the qubit coherence exhibits a comb stru...
Chemists Weigh Intact Virus Mixture With Mass Spectrometer（图）
Chemists Virus Mixture Mass Spectrometer
2015/6/18
Carnegie Mellon University chemists, led by Mark Bier, have separated and weighed virus particles using mass spectrometry (MS). This is the first time that researchers successfully used matrix-as...
Chemists Weigh Intact Virus Mixture With Mass Spectrometer（图）
Chemists Virus Mixture Mass Spectrometer
2015/6/18
Carnegie Mellon University chemists, led by Mark Bier, have separated and weighed virus particles using mass spectrometry (MS). This is the first time that researchers successfully used matrix-as...
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
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...
Highly time-resolved chemical characterization of atmospheric submicron particles during 2008 Beijing Olympic Games using an Aerodyne High-Resolution Aerosol Mass Spectrometer
chemical characterization atmospheric submicron particles 2008 Beijing Olympic Games an Aerodyne High-Resolution Aerosol Mass Spectrometer
2010/10/11
As part of Campaigns of Air Quality Research in Beijing and Surrounding Region-2008 (CAREBeijing-2008), an Aerodyne High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) was deployed i...
Elemental analysis of chamber organic aerosol using an aerodyne high-resolution aerosol mass spectrometer
Elemental analysis chamber organic aerosol an aerodyne high-resolution aerosol mass spectrometer
2010/8/12
The elemental composition of laboratory chamber secondary organic aerosol (SOA) from glyoxal uptake, α-pinene ozonolysis, isoprene photooxidation, single-ring aromatic photooxidation, and naphthalene ...
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
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...
Single particle characterization using a light scattering module coupled to a time-of-flight aerosol mass spectrometer
Single particle characterization light scattering module time-of-flight aerosol mass spectrometer
2009/11/9
We present the first single particle results obtained with an Aerodyne time-of-flight aerosol mass spectrometer coupled with a light scattering module (LS-ToF-AMS). The instrument was deployed at the ...
Design and construction of a simple Knudsen Effusion Mass Spectrometer (KEMS) system for vapour pressure measurements of low volatility organics
Design construction Knudsen Effusion Mass Spectrometer (KEMS) system vapour pressure measurements
2010/2/8
A design of and initial results from a Knudsen Effusion Mass Spectrometer (KEMS) are presented. The design was adapted from high temperature alloy studies with a view to using it to measure vapour pre...
Size-resolved aerosol chemistry on Whistler Mountain, Canada with a high-resolution aerosol mass spectrometer during INTEX-B
Whistler Mountain aerosol mass spectrometer INTEX-B
2009/5/15
An Aerodyne High Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) was deployed at the peak of Whistler Mountain (2182 m above sea level), British Columbia, from 19 April to 16 May 2006...
Laboratory investigation of photochemical oxidation of organic aerosol from wood fires 2: analysis of aerosol mass spectrometer data
Laboratory investigation photochemical oxidation organic aerosol aerosol mass spectrometer
2009/3/31
Experiments were conducted to investigate the effects of photo-oxidation on organic aerosol (OA) in dilute wood smoke by exposing emissions from soft- and hard-wood fires to UV light in a smog chamber...
Aerosol quantification with the Aerodyne Aerosol Mass Spectrometer:detection limits and ionizer background effects
Aerosol quantification Aerodyne Aerosol Mass Spectrometer detection limits ionizer background effects
2010/2/8
Systematic laboratory experiments were performed to investigate quantification of various species with two versions of the Aerodyne Aerosol Mass Spectrometer, a Quadrupole Aerosol Mass Spectrometer (Q...
Characterization of a thermodenuder-particle beam mass spectrometer system for the study of organic aerosol volatility and composition
Characterization thermodenuder-particle beam mass spectrometer system organic aerosol volatility and composition
2010/2/8
This paper describes the development and evaluation of a method for measuring the vapor pressure distribution and volatility-dependent mass spectrum of organic aerosol particles using a thermodenuder-...
Cluster Analysis of the Organic Peaks in Bulk Mass Spectra Obtained During the 2002 New England Air Quality Study with an Aerodyne Aerosol Mass Spectrometer
Cluster Analysis Organic Peaks Bulk Mass Spectra New England Aerodyne Aerosol Mass Spectrometer
2009/1/22
We applied hierarchical cluster analysis to an Aerodyne aerosol mass spectrometer (AMS) bulk mass spectral dataset collected aboard the NOAA research vessel R. H. Brown during the 2002 New England Ai...
Size and composition measurements of background aerosol and new particle growth in a Finnish forest during QUEST 2 using an Aerodyne Aerosol Mass Spectrometer
background aerosol Finnish forest Aerodyne Aerosol Mass Spectrometer
2008/12/31
The study of the growth of nucleation-mode particles is important, as this prevents their loss through diffusion and allows them to reach sizes where they may become effective cloud condensation nucle...