CRAFTING A NEW SELF IN DIASPORA: A STUDY OF THE 1.5 GENERATION OF VIETNAMESE AMERICANS

This dissertation is a study on the identity construction process of members of the 1.5 generation of Vietnamese Americans by examining their personal narratives. With a focus on strategies used by informants when crafting their narratives instead of looking at narratives as evidence of experience, this project has significant contribution to migration studies, transnational studies, and Asian American Studies because it provides a different approach to narratives and narrative analysis in studying identity and identity formation. The findings show that to members of the 1.5 generation narratives serve as sites where they can make sense of their disrupted and chaotic life, and where they highlight their struggles to survive in a new homeland with a haunting past. Narrative is a process of identity formation. To members of the 1.5 generation, it is an especially important site for making sense of disrupted and chaotic lives, in order to survive in a new homeland with a haunting past

THE UNIFORM EXPONENTIAL STABILITY OF LINEAR SKEW-PRODUCT SEMIFLOWS ON REAL HILBERT SPACE

The goal of the paper is to present some characterizations for the uniform exponential stability of linear skew-product semiflows on real Hilbert space

Optimization of technological parameters in ultrasonic welding of the polypropylene fabric using Taguchi and FCCCD methods

Ultrasonic welding is a welding method that has been applied for welding nonwoven fabrics, with many advantages such as fast speed, high reliability, easy automation and especially less pollution to the environment. This paper studies the optimization of technological parameters in the welding process such as welding time, pressure, and weld shape on the breaking strength of ultrasonic welding of Polypropylene (PP) nonwovens. To evaluate the influence level and find the reasonable technological parameters domain in the paper, the Taguchi method is used in combination with the face-centered central composite design (FCCCD) response surface method. The research results have determined the regression equations used to calculate the breaking strength for each weld shape as well as the optimal domain for the main technological parameters, ensuring the breaking strength of the weld. There are different degrees of influence of technological parameters (shape of the weld zone, welding time and welding pressure) on the breaking strength of ultrasonic welds. Among them, the influence level of welding time t is 45.31 %, the weld shape is Pattern 2 with the rate of 30.03 %, and the welding pressure is 24.66 %. Carrying out a verification test with the welding parameters: t=1.6 s, p=3.1 kgf/cm2, two patterns ( Pattern 2 and Pattern 3), the result of breaking strength for patterns was achieved. Pattern 2 has a difference of 1.19 % between the regression equation results and the actual experimental results, while the figure for Pattern 3 is 0.77 %. From these results, it is possible to select the appropriate technological parameters for ultrasonic welding equipment when processing products from nonwoven fabrics to ensure the highest quality and productivit

TEACHERS’ CORRECTIVE FEEDBACK ON ENGLISH STUDENTS’ WRITING

This investigates the participants’ attitudes towards corrective feedback as well as the types of corrective feedback on learners’ performance by questionnaires for both students and teachers. Fifty–eight 2nd-year students and 5 teachers of English at a university in the Mekong Delta of Vietnam participated in the study. The results indicated that students had a positive attitude towards teachers’ corrective feedback. Besides, with the analyzed data, correction with comments and teacher correction was considered as the most useful strategy when giving feedback in the learners’ performance. The outcomes of the study suggest a widespread employment of corrective feedback in teaching writing at universities and colleges in the region.   Article visualizations

Empirical Investigation of Omni-channel Customer Behavior: Multiple Mediation Effects of Website and Mobile Interactivity

While existing retail research has focused on retail channels in isolation from a single or multi-channel retailing perspective, there is a need to investigate shopping behavioral intention from an omni-channel and customer-centric retailing perspective. The main of this study is to analyze the customer omni-channel behavior under multiple mediating effects of website and mobile interactivity. Data collected from valid 287 respondents via both online and paper form. Partial least squares structural equation modeling (PLS-SEM) and Smart-PLS software have been used to test proposed hypotheses. The result underlined the significant positive effects of technology literacy, attitude towards website interactivity and attitude towards mobile device interactivity on customer’s behavioral intention. Moreover, website interactivity and augmented reality have highest impact attitude towards website interactivity and attitude towards mobile device interactivity respectively

IDENTITY PRESENTATION IN STORIES OF PAST AND PRESENT: AN ANALYSIS OF MEMOIRS BY AUTHORS OF THE 1.5 GENERATION OF VIETNAMESE AMERICANS

This paper investigates how authors of the 1.5 generation of Vietnamese Americans represent their identity in their memoirs. The analysis shows that the condition under which each author came to the United States, either as an anticipatory or an acute refugee, influences the way each memoir is constructed in terms of timeline and content. In particular, this study shows that the authors choose different themes such as conversion, imagined space and food to talk about the process of adaptation in the new world. Along with the themes, either linear or disruptive timeline is deployed as a way to represent their refugee condition. Together, they constitute a diverse and unique identity representation of the 1.5 generation of Vietnamese Americans

INFLUENCE OF SINTERING TEMPERATURE ON PHASE FORMATION AND OPTICAL PROPERTIES OF LEAD-FREE FERROELECTRIC BI0.5NA0.5TIO3 MATERIALS

Pb(Zr,Ti)O3 based ferroelectric materials have been widely used in electronic devices even though they were banned due to the toxicity of lead on health and environment. Among the lead-free ferromagnetic materials, Bi0.5Na0.5TiO3 has received much attention because their ferroelectric and piezoelectric characteristics are comparable to Pb(Zr,Ti)O3. In this report, Bi0.5Na0.5TiO3 was fabricated by sol-gel method. The influence of fabricating conditions such as gelization, sintering temperature on crystallinity was studied. The result showed that Bi0.5Na0.5TiO3 was in single phase when compenstation amount of Na in gelization is 40 mol%; sintering temperature higher than 800 oC and sintering time is 2 h. The bandgap of Bi0.5Na0.5TiO3 which estimated from absorption spectroscopy is in the range of 3.01 - 3.18 eV

An Application of Modified T2FHC Algorithm in Two-Link Robot Controller

Parallel robotic systems have shown their advantages over the traditional serial robots such as high payload capacity, high speed, and high precision. Their applications are widespread from transportation to manufacturing fields. Therefore, most of the recent studies in parallel robots focus on finding the best method to improve the system accuracy. Enhancing this metric, however, is still the biggest challenge in controlling a parallel robot owing to the complex mathematical model of the system. In this paper, we present a novel solution to this problem with a Type 2 Fuzzy Coherent Controller Network (T2FHC), which is composed of a Type 2 Cerebellar Model Coupling Controller (CMAC) with its fast convergence ability and a Brain Emotional Learning Controller (BELC) using the Lyaponov-based weight updating rule. In addition, the T2FHC is combined with a surface generator to increase the system flexibility. To evaluate its applicability in real life, the proposed controller was tested on a Quanser 2-DOF robot system in three case studies: no load, 180 g load and 360 g load, respectively. The results showed that the proposed structure achieved superior performance compared to those of available algorithms such as CMAC and Novel Self-Organizing Fuzzy CMAC (NSOF CMAC). The Root Mean Square Error (RMSE) index of the system that was 2.20E-06 for angle A and 2.26E-06 for angle B and the tracking error that was -6.42E-04 for angle A and 2.27E-04 for angle B demonstrate the good stability and high accuracy of the proposed T2FHC. With this outstanding achievement, the proposed method is promising to be applied to many applications using nonlinear systems