86Surawut CHUANGCHOTE87Amornrat KAEWPRADAPElectrochromic Window for Energy Efficient Buildings (Year 2)(Project 2013)Instabilities of Thai Natural Gas (NG) and Air Flames on Flat Burner(Project 2013)illustrated that both groups of schizophrenia had significantly lower all domains of cognitive scores than normal control. Moreover, deficit schizophrenia show significantly lower scores in most cognitive test than non deficit schizophrenia, as well as presented more negative symptoms, more severe staging of illness, poorer quality of life and social functioning. The clinical and cognitive distinction among both types of schizophrenia (DS, NDS) and control leads to the concept of individualized entities and psychopathologies of deficit schizophrenia and non deficit schizophrenia. Moreover, the study found that severity and staging of illness (from clinical history and clinical scales), quality of life and social functioning are correlated to total domains of neurocognitive scores.Treatment process by methanesulfonic acid solution was used to improve electrical conductivity of poly 3,4-ethylenedioxythiophene:poly(styrene sulfonic acid) (PEDOT:PSS). Weak acid could be used in the treatment because some PSS chains were moved out from the polymer mixer films without damage on the substrates. Variation of number of PEDOT:PSS thin-film layer showed different conductivities. Two layers of treated PEDOT:PSS films were adequate for use as transparent conducing films. Obtained transparent conducting films on polyester substrates were used to fabricate flexible electrochromic devices for uses in building. The devices showed reversible change in color with switching applied voltages (±3 V). Cyclic voltammetry (CV) and UV-vis-NIR spectroscopy were used to confirm the activity of P3HT/treated-PEDOT:PSS electrode and investigate the light transmission properties of full flexible devices, respectively.In this present, natural gas (NG) is used both in the industrial and transportation parts in Thailand. This study was emphasized on NG/air combustion, which NG was produced from two main sources in eastern and western Thailand. The main components of the natural gases are methane (CH4) and carbon dioxide (CO2) whereas the concentrations of natural gases from each sources is vastly different. The components of NG source consist of 84.1% of CH4, 15.9% of CO2 and 76.0% of CH4, 24.0% of CO2 used in eastern and western sources, respectively. To reduce the emission from NG/air combustion, this investigation focused on the lean combustion. However, the lean combustion induced unstable behavior such a cellular flame due to diffusive-thermal instability. In order to study the unstable flame, equivalence ratio, firing rate and CH4 composition were varied in this experiment for two NG sources. The results showed the cellular flame was observed at the equivalence ratio ϕ = 0.70-0.85 and ϕ = 0.75-0.90 for eastern and western sources, respectively. Compared to western source at the same equivalence ratio and firing rate, smaller cell size, higher light emission and power spectral density were obtained. In addition, the blown off flame was observed at firing rate, FR = 2.0 kW for on western source due to increase of diffusive-thermal instability. As the investigation of cellular premixed flames of NG used in Thailand, the combustion flames of eastern NG sources showed smaller cell size, higher peak frequency of power spectral density and blown-off flames occurred at lower firing rate that brought about more stable flames than of western NG sources.68
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