Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Chia-ching Wan"'
Autor:
Chia-ching Wan, 萬嘉慶
98
There has been a long trend of bipolarization of the development trend between the cities and countryside in Taiwan. To deal with this issue, some local governments have proposed mergers among cities and counties. Fengshan has the highest pop
There has been a long trend of bipolarization of the development trend between the cities and countryside in Taiwan. To deal with this issue, some local governments have proposed mergers among cities and counties. Fengshan has the highest pop
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/42561223327852710502
Publikováno v:
Analytica Chimica Acta. 605:130-133
A low pressure microwave assisted vapor phase dissolution procedure for silicon nitride and volatilization of in situ generated SiF4 has been developed using H2SO4, HF and HNO3 for the determination of trace impurities present in silicon nitride. Sam
Publikováno v:
Analytica Chimica Acta. 598:214-218
Volatilization of Sb has been carried out using vapors generated from aqua regia for the determination of non-volatile impurities present in antimony. The antimony trichloride (SbCl3) thus generated was volatilized >99.9% at 250 °C in 90 min. Recove
Publikováno v:
Analytica Chimica Acta. 536:295-299
Closed vessel microwave-assisted volatilization of silicon as fluoride in presence of vapors of HF and HNO3, for the determination of trace impurities in high purity silicon powder and quartz, is reported. The volatilization of the matrix element fro
Publikováno v:
J. Anal. At. Spectrom.. 12:683-687
A preliminary study of a cold vapor generation system as the sample introduction device for liquid chromatography–inductively coupled plasma mass spectrometry (LC–ICP-MS) is described. Samples containing ionic mercury compounds were subjected to
Autor:
Hsiao-Chien Chen, Ching-Hsiang Chen, Chia-Shuo Hsu, Tai-Lung Chen, Mei-Yi Liao, Chia-Ching Wang, Chia-Fen Tsai, Hao Ming Chen
Publikováno v:
ACS Omega, Vol 3, Iss 12, Pp 16576-16584 (2018)
Externí odkaz:
https://doaj.org/article/7f051b39292a45f6bba5b1e3852ea08d
Publikováno v:
2010 International Symposium on Semiconductor Manufacturing (ISSM); 2010, p1-4, 4p
Publikováno v:
Journal of Analytical Atomic Spectrometry. 20:1290
An effective and contamination free matrix removal method, by closed-vessel microwave assisted volatilization in the presence of vapors of HF and HNO3, for the determination of trace impurities in photoresist samples and slurry with SiO2 particles us
Publikováno v:
Journal of Analytical Atomic Spectrometry. 19:681
Closed-vessel microwave assisted volatilization of Ge and Se as their chlorides in the presence of vapors of HCl and HNO3, for the determination of trace impurities in high purity Ge and Se, is reported. The volatilization of Ge is 98.7% using vapor
Publikováno v:
Journal of Analytical Atomic Spectrometry. 19:407
Volatilization of Ga and As as their chlorides in a stream of aqua regia vapors is described for the determination of ultra-trace impurities in high purity GaAs wafers. GaAs is treated with vapors of aqua regia at 210 °C using nitrogen as carrier ga