Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Hungwei Chang"'
Autor:
Hungwei Chang, 張宏維
96
The study examines the evolvemnent of cultural policy in Taiwan through analyzing the budget of the Council of Cultural Affairs (CCA)--Taiwan’s first and only cabinet-level government cultural agency, since its inauguration in 1982 to prese
The study examines the evolvemnent of cultural policy in Taiwan through analyzing the budget of the Council of Cultural Affairs (CCA)--Taiwan’s first and only cabinet-level government cultural agency, since its inauguration in 1982 to prese
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/6uvtaa
Publikováno v:
Environmental Science & Technology. 46:6065-6072
Results are presented of inaugural field tests of two identical prototype microfabricated gas chromatographs (μGC) adapted for the in situ determination of trichloroethylene (TCE) in indoor air in support of vapor intrusion (VI) investigations. Each
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::374f754e35f1f10754621d0dffcc7b81
https://doi.org/10.1021/es204624z
https://doi.org/10.1021/es204624z
Publikováno v:
Procedia Engineering. 5:973-976
A microfabricated gas chromatograph ( μ GC ) is described and its application to the analysis of sub-parts-per-billion (ppb) concentrations of trichloroethylene (TCE) in mixtures, relevant to the problem of TCE vapor intrusion (VI) into homes and of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de2faf52d36e3b770afef9a85c6bb51e
https://doi.org/10.1016/j.proeng.2010.09.271
https://doi.org/10.1016/j.proeng.2010.09.271
Autor:
Gustavo Serrano, Hungwei Chang, Cagliyan Kurdak, Edward T. Zellers, Sun Kyu Kim, Elizabeth L. Covington, Rebecca A. Veeneman, Forest I. Bohrer
Publikováno v:
ECS Transactions. 19:315-325
Progress toward the development of prototype microfabricated gas chromatographic instruments (microGC), and components thereof, for applications requiring the determination of trace-level organic vapors in complex mixtures is described. All prototype
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da12e00ee02339af42a11f266a69ed4c
https://doi.org/10.1149/1.3118567
https://doi.org/10.1149/1.3118567
Autor:
Edward T. Zellers, Lindsay K. Wright, Hungwei Chang, William R. Collin, Gustavo Serrano, Nicolas Nuñovero
Publikováno v:
2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII).
A field-ready prototype employing an all-MEMS gas chromatographic microsystem (μGC) for the determination of explosive marker compounds at low concentrations is described. The μGC prototype, which is referred to as INTREPID, relies on a core of Si-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c7cb53e5b5c486e6af00ce0068cbde9
https://doi.org/10.1109/transducers.2013.6627378
https://doi.org/10.1109/transducers.2013.6627378
Publikováno v:
Analytical chemistry. 83(18)
A complete field-deployable microfabricated gas chromatograph (μGC) is described, and its adaptation to the analysis of low- and subparts-per-billion (ppb) concentrations of trichloroethylene (TCE) vapors in complex mixtures is demonstrated through
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3023750eb7eace8a437c16c4fd1a7d8e
https://pubmed.ncbi.nlm.nih.gov/21859085
https://pubmed.ncbi.nlm.nih.gov/21859085
Publikováno v:
2011 16th International Solid-State Sensors, Actuators and Microsystems Conference.
Two fully integrated and automatically controlled MEMS gas chromatographs (µGC) were successfully deployed in the field to monitor trichloroethylene (TCE) at trace-level concentrations (0.6–80 ppb) in homes suffering from vapor intrusion (VI) from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8474ef60a2110ff604f9564a5f45ef3
https://doi.org/10.1109/transducers.2011.5969260
https://doi.org/10.1109/transducers.2011.5969260
Publikováno v:
The Analyst. 136(8)
This article describes the development and characterization of a multi-stage preconcentrator/focuser (PCF) module designed to be integrated with a microfabricated gas chromatograph (µGC) for autonomous, in situ determinations of volatile organic com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d02257d1036005d0bf24a45eb5d9276
https://pubmed.ncbi.nlm.nih.gov/21359357
https://pubmed.ncbi.nlm.nih.gov/21359357
Publikováno v:
TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference.
Progress toward a prototype MEMS gas chromatograph (μGC) designed for analyzing complex mixtures of volatile organic compounds (VOC) in breath is described. This μGC, named SPIRON, integrates a multi-stage preconcentrator/injector, a dual-microcolu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4906a5288ce9db643e314544cc7866b5
https://doi.org/10.1109/sensor.2009.5285546
https://doi.org/10.1109/sensor.2009.5285546
Publikováno v:
TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference.
A complete gas chromatographic (μGC) microanalytical system for near-real-time determinations of marker compounds of explosives at low concentrations is demonstrated. This μGC, dubbed INTREPID, uses an adsorbent-packed micromachined DRIE-Si/glass m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2aa044f81c6ec2100dc30b9d9c3ffd5c
https://doi.org/10.1109/sensor.2009.5285748
https://doi.org/10.1109/sensor.2009.5285748