Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ching-nan Huang"'
Autor:
Ching-Nan Huang, 黃慶楠
102
The purpose of this study was to investigate: (1) the application of iPod inquiry teaching for elementary sixth graders’ learning performances of the electromagnetic interaction. (2) The application of iPod inquiry teaching for elementary
The purpose of this study was to investigate: (1) the application of iPod inquiry teaching for elementary sixth graders’ learning performances of the electromagnetic interaction. (2) The application of iPod inquiry teaching for elementary
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/03634660686317172184
Autor:
Ching-nan Huang, 黃景南
98
In the thesis, an LED driver circuit that is applied in low power lighting LED with constant output current and Power Factor Correction (PFC) is presented. The insulated Flyback converter is used for the LED driver. Power Factor Correction is
In the thesis, an LED driver circuit that is applied in low power lighting LED with constant output current and Power Factor Correction (PFC) is presented. The insulated Flyback converter is used for the LED driver. Power Factor Correction is
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/32675032185528116649
Autor:
Ching-Nan Huang, 黃晉男
95
This research studied urethane oligomers, which contains the sulfonic acid group and different reactive groups. First, the transesterification of dimethyl 5-sulfoisophthalate sodium salt (SIPM) were performed with polyethylene glycol (PEG) of
This research studied urethane oligomers, which contains the sulfonic acid group and different reactive groups. First, the transesterification of dimethyl 5-sulfoisophthalate sodium salt (SIPM) were performed with polyethylene glycol (PEG) of
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/21450490601146525143
Publikováno v:
Modern Physics Letters B. 33:1940002
This study investigated dye–surfactant interactions between a series of modified Gemini surfactants and commercial direct dyes in aqueous solution and their corresponding effects on cotton fabric dyeing. A surface tension meter was also used to mea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f982b7061c0203746e977d884ff6251
https://doi.org/10.1142/s0217984919400025
https://doi.org/10.1142/s0217984919400025
Publikováno v:
Modern Physics Letters B. 33:1940001
This study synthesizes the anionic–nonionic surfactants by reacting tripropylene glycol, maleic anhydride, polyoxyethylenated stearyl ether and fumaric acid. The properties of a series of anionic–nonionic surfactants that feature hydrophilic grou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0451fefa503b7a398dc7221f53c8d9cb
https://doi.org/10.1142/s0217984919400013
https://doi.org/10.1142/s0217984919400013
Publikováno v:
Polymer Composites. 29:45-57
In this study, PEG(SE) containing sulfonic acid group was produced by transesterification of dimethyl 5-sulfoisophthalate sodium salt (SIP) with PEG. The reactive urethane acrylate oligomers were synthesized by using SE as soft segment, isophorone di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b18b052ea9e94d7a5aa03a8fa891174
https://doi.org/10.1002/pc.20348
https://doi.org/10.1002/pc.20348
Publikováno v:
Journal of Applied Polymer Science. 106:2907-2916
This research studied urethane oligomers, which contains the sulfonic acid group and different reactive groups. First, the transesterification of dimethyl 5-sulfoisophthalate sodium salt were performed with ethylene glycol or polyethylene glycol of d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b666a2e7ed0a3166b811d4a74bfc84f
https://doi.org/10.1002/app.25708
https://doi.org/10.1002/app.25708
Publikováno v:
Journal of Applied Polymer Science. 105:1947-1957
In this study, a series of aqueous polyurethane (PU) prepolymers were synthesized with 4,4-methylene bis(isocyanatocyclohexane), poly(ethylene glycol) or polycaprolactone diol (PCL), methyl ethyl ketoxime, and dispersing centers produced by isophoron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b7378a2b89847a8ad05d08996ad1195
https://doi.org/10.1002/app.24013
https://doi.org/10.1002/app.24013
Autor:
Meng-Shung Yen, Ching-Nan Huang
Publikováno v:
Journal of Applied Polymer Science. 106:599-610
In the study, we allowed PEG and dimethyl 5-sulfoisophthalate sodium salt (SIP) to undergo transesterification to obtain PEG containing sulfonic groups (SE), then used SE and isophorone diisocyanate as soft and hard chains, respectively, and methyl e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81696ede317213d3c2fc22acdd0e299f
https://doi.org/10.1002/app.26637
https://doi.org/10.1002/app.26637
Publikováno v:
2010 5th IEEE Conference on Industrial Electronics and Applications.
A varying-frequency control Flyback rectifier for LED driving in Boundary-Conduction Mode (BCM) is presented. Comparing with Discontinuous-Conduction Mode, BCM has the advantages like smaller coupling inductor current, less current stress for circuit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c2aa4999228622ea22c045df04c8e11
https://doi.org/10.1109/iciea.2010.5516684
https://doi.org/10.1109/iciea.2010.5516684