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Thi Phuong Diu TRAN(Thi Phuong Diu TRAN ),Thi Van Khanh NGUYEN(Thi Van Khanh NGUYEN ),Thanh Quang DO3(Thanh Quang DO3 ),Cong Nghiep NGUYEN(Cong Nghiep NGUYEN ),Thu Thuy LUONG(Thu Thuy LUONG ) 한국유통과학회 2022 유통과학연구 Vol.20 No.10
Purpose: This article focuses on exploring the associations between job satisfaction, organizational commitment, and turnover intention. Specifically, this study estimates the impacts of Vietnamese employees’ job satisfaction on their organizational commitment and turnover intention in FDI enterprises. Research design, data and methodology: The measures are adapted from previous studies to develop a questionnaire with a seven-point Likert scale. The dataset is directly collected from 227 respondents who are employees at FDI enterprises situated in the North of Vietnam. The dataset is analyzed by quantitative approaches using SPSS 24.0 and AMOS 24.0. Results: The results show that while turnover intention is positively correlated with monthly income, it is negatively correlated with job satisfaction and organizational commitment. Also, organizational commitment is positively associated with job satisfaction among employees at FDI enterprises in Vietnam. Conclusions: The findings of this study will serve as useful references for administrators of FDI enterprises and policymakers to promote employees’ job satisfaction and retain skilled employees.
Kıvanç Kamburoğlu,Gül Sönmez,Zeynep Serap Berktaş,Hakan Kurt,Doĝukan Özen 대한영상치의학회 2017 Imaging Science in Dentistry Vol.47 No.2
Purpose: The aim of this study was to assess the ex vivo diagnostic ability of 9 different cone-beam computed tomography (CBCT) settings in the detection of recurrent caries under amalgam restorations in primary teeth. Materials and Methods: Fifty-two primary teeth were used. Twenty-six teeth had dentine caries and 26 teeth did not have dentine caries. Black class II cavities were prepared and restored with amalgam. In the 26 carious teeth, recurrent caries were left under restorations. The other 26 intact teeth that did not have caries served as controls. Teeth were imaged using a 100×90-mm field of view and a 0.2-mm voxel size with 9 different CBCT settings. Four observers assessed the images using a 5-point scale. Kappa values were calculated to assess observer agreement. CBCT settings were compared with the gold standard using a receiver operating characteristic analysis. The area under the curve (AUC) values for each setting were compared using the chi-square test, with a significance level of α=.05. Results: Intraobserver kappa values ranged from 0.366 to 0.664 for observer 1, from 0.311 to 0.447 for observer 2, from 0.597 to 1.000 for observer 3, and from 0.869 to 1 for observer 4. Furthermore, interobserver kappa values among the observers ranged from 0.133 to 0.814 for the first reading and from 0.197 to 0.805 for the second reading. The highest AUC values were found for setting 5 (0.5916) and setting 3 (0.5886), and were not found to be statistically significant (P>.05). Conclusion: Variations in tube voltage and tube current did not affect the detection of recurrent caries under amalgam restorations in primary teeth.
( Do Van Quang ),( Nguyen Xuan Ba ),( Peter T. Doyle ),( Dau Van Hai ),( Peter A. Lane ),( Aduli Eo Malau-aduli ),( Nguyen Huu Van ),( David Parsons ) 한국동물자원과학회(구 한국축산학회) 2015 한국축산학회지 Vol.57 No.35
Background: An experiment was conducted in Vietnam to test the hypothesis that total dry matter (DM) intake and liveweight (LW) gain would increase in a curvilinear manner with increasing amounts of concentrate offered. Method: There were five treatments: a basal diet of Guinea grass fed at 1 % of LW and rice straw fed ad libitum (T0), or this diet supplemented with concentrate at 0.6 (T1), 1.2 (T2), 1.8 (T3), or 2.4 % of LW (T4). The concentrate comprised locally available ingredients, namely cassava chips, rice bran, crushed rice grain, fishmeal, salt, and urea, mixed manually. Results: Concentrate intake increased from T0 to T3, but there was no difference in concentrate intake between T3 and T4. Total feed intake increased in a curvilinear manner from 4.0 to 6.4 kg DM/d as the quantity of concentrate consumed increased. The substitution of concentrate for grass and rice straw increased with increasing consumption of concentrate and was as high as 0.49 kg DM reduction per kg of concentrate consumed. LW gain increased curvilinearly, with significant differences between T0 (0.092 kg/d), T1 (0.58 kg/d) and T2 (0.79 kg/d); but there were no significant differences in LW gain between T2, T3 (0.83 kg/d) and T4 (0.94 kg/d).With increasing amount of concentrate in the diet, the digestibilities of dry matter, organic matter, crude protein, and crude fat increased, but NDF digestibility decreased. Conclusion: Based on these results, young Vietnamese Brahman-cross growing cattle will respond to a locally-sourced concentrate mix offered at a level of up to 1.2 % of LW.
Phylogenetic analysis of emerging infectious diseases in pigs and cattle during 2019-2022 in Vietnam
Van Tan Do,Hoai Thu Dao,Hung Vu Khac,Duc Tan Nguyen,Van Khien Do 강원대학교 산림과학연구소 2022 강원대학교 산림과학연구소 학술대회 Vol.2022 No.10
This work was conducted to review the phylogenetic of emerging viral infectious diseases in pigs and cattle during 2019- 2022 in Vietnam. Among of viral diseases in pigs, African swine fever (ASF) has caused the significantly economical lost. Analysis of the C-terminal end of p72 revealed that the ASFV strains in Vietnam belongs to genotype II, serogroup 8. The ORF5 sequence of the nineteen porcine reproductive and respiratory syndrome virus (PRRSV) isolates belonged to genotype 2. Among them, thirteen isolates belonged to lineage 8, together with the vaccine strain JAX1-R and isolates from Vietnam and China. One isolate was clustered into lineage 1 with isolates from Thailand. Phylogenetic analysis of porcine circovirus type 2 (PCV2) ORF2 from forty-three positive clinical samples showed that five isolates belonged to PCV2b and thirty-eight isolates belonged to PCV2d. A lumpy skin disease virus (LSDV) isolated in the first outbreak in Vietnam was 100% identical to viruses isolated in China (2019) based on the p32 and RP030 genes. These new findings are important for vaccine development to control these diseases in Vietnam.
Internal Factors Affecting Firm Performance: A Case Study in Vietnam
Van Hau NGUYEN,Thi Thu Cuc NGUYEN,Van Thu NGUYEN,Duc Tai DO 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.5
The higher the firm performance, the more chances enterprises can expand and develop their production, create jobs, and improve the workers’ living quality. The main objective of this study was to measure the internal factors influencing the firm’s performance of food and beverage (F&B) firms listed on the Hanoi Stock Exchange (HNX). Data was collected on 15 F&B firms listed on the HNX from 2015 to 2019 We use mixed research method, both qualitative and quantitative. For the quantitative research method, the supporting tool is Stata13 software. The results via Ordinary Least Squares (OLS) regression method show the impacts of internal factors with the following observed variables: the ratio of short-term debt to total liabilities (CS1) and total assets (S2) have an opposite impact (–) on ROA and ROE; debt-to-total assets ratio (CS2) has an opposite effect (–) on ROA; growth of total assets (G2) of the growth factor positively affects (+) ROA and ROE, the remaining factors do not affect ROA and ROE; and internal factors do not influence ROS. Based on the findings, some recommendations have been proposed to help the F&B firms listed on the Hanoi Stock Exchange improving their firm performance in the future.
Do, Van Quang,Nguyen, Xuan Ba,Doyle, Peter T.,Dau, Van Hai,Lane, Peter A.,Malau-Aduli, Aduli EO,Nguyen, Huu Van,Parsons, David Korean Society of Animal Science and Technology 2015 한국축산학회지 Vol.57 No.9
Background: An experiment was conducted in Vietnam to test the hypothesis that total dry matter (DM) intake and liveweight (LW) gain would increase in a curvilinear manner with increasing amounts of concentrate offered. Method: There were five treatments: a basal diet of Guinea grass fed at 1 % of LW and rice straw fed ad libitum (T0), or this diet supplemented with concentrate at 0.6 (T1), 1.2 (T2), 1.8 (T3), or 2.4 % of LW (T4). The concentrate comprised locally available ingredients, namely cassava chips, rice bran, crushed rice grain, fishmeal, salt, and urea, mixed manually. Results: Concentrate intake increased from T0 to T3, but there was no difference in concentrate intake between T3 and T4. Total feed intake increased in a curvilinear manner from 4.0 to 6.4 kg DM/d as the quantity of concentrate consumed increased. The substitution of concentrate for grass and rice straw increased with increasing consumption of concentrate and was as high as 0.49 kg DM reduction per kg of concentrate consumed. LW gain increased curvilinearly, with significant differences between T0 (0.092 kg/d), T1 (0.58 kg/d) and T2 (0.79 kg/d); but there were no significant differences in LW gain between T2, T3 (0.83 kg/d) and T4 (0.94 kg/d).With increasing amount of concentrate in the diet, the digestibilities of dry matter, organic matter, crude protein, and crude fat increased, but NDF digestibility decreased. Conclusion: Based on these results, young Vietnamese Brahman-cross growing cattle will respond to a locally-sourced concentrate mix offered at a level of up to 1.2 % of LW.
Van Do, N.,Khue, P.D.,Thanh, K.T.,Hien, N.T.,Kim, G.,Kim, K.,Shin, S.G.,Kye, Y.U.,Cho, M.H. Pergamon 2017 Radiation physics and chemistry Vol.139 No.-
<P>We measured the thermal neutron cross-section (sigma(0)) and resonance integral (I-0) of the Sm-152(n,gamma)Sm-153 reaction relative to that of the Au-197(n,gamma)Au-198 reaction. Sm and Au foils with and without a cadmium cover of 0.5 mm were irradiated with moderated pulsed neutrons produced from the electron linac. The induced activities of the reaction products were determined via high energy resolution HPGe detector. The present results: sigma(0),(sm) = 212 +/- 8 b and sigma(0),(sm) = 3.02 +/- 0.19 kb are consistent with most of the existing reference data.</P>