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Analysis of the Differences in Expenditure Levels of Participants at the 2014 Asian Basketball League in Ho Chi Minh City

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Journal of Sports Science 2016年第6期4卷 377-382页

作者： Lam Quang Thanh nguyen hoang Mirth Thuan nguyen Thanh Tu Vietnam Sport Science Institute Viemam Sports Administration Ha Noi Capital 100000 Viet Nam Department of Sport Management University of Sport Hochiminh City Ho Chi Minh City 700000 Viet Nam

Research focuses on studying the economic impacts of 2014 Asian Basketball League in Ho Chi Minh City （hereinaiter referred as ABL 2014） with respect to direct expenditure of all types of participants, including organizers, coaches/athletes, journalists/communicators, audiences, etc. Research was implemented with 920 subjects, including 48 members of the organizing committee, 56 coaches/athletes, 800 audiences and 16 members of journal and media teams.

关键词： Differences level of expenditure participants.

DETERMINATION OF KRAFT LIGNIN CONCENTRATIONS BY FTIR

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天津科技大学学报 2004年第S2期 98-101页

作者： Viet hoang ,K. Loi nguyen Australian Pulp and Paper Institute Monash UniversityClayton VictoriaAustralia Australian Pulp and Paper Institute Monash UniversityClayton VictoriaAustralia

A fast and accurate method based on FTIR is developed for determining the lignin content and its characteristic bands in alkali solutions. The work consisted of two main parts: 1) establishing a predictive model and 2) determination of the accuracy of the model. The model was derived by applying the partial least squares algorithm for multivariate analyses to a set of spectrum data obtained from selected IR absorption regions in the range of 1600 - 900 cm-1. The model was tested with spent liquors obtained from commercial pulp mills. The accuracy of the predictive model is extremely high suitable for commercial applications, particularly for monitoring the dynamic response of modern kraft pulping processes.

关键词： DETERMINATION OF KRAFT LIGNIN CONCENTRATIONS BY FTIR Figure

Influence of dietary mannan oligosaccharides supplementation on fingerling clownfish, Amphiprion ocellaris (Cuvier, 1830)

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Journal of Coastal Life Medicine 2017年第8期5卷 325-329页

作者： hoang Do-Huu Trung Kien nguyen Vietnam Academy of Science&Technology(VAST)-Institute of Oceanography 01 Cau DaNha TrangVietnam

Objective: To test the effects of dietary mannan oligosaccharides (MOS) on clownfish Amphiprion ocellaris (A. ocellaris). Methods: Six levels (0.5, 1.0, 1.5, 2.0, 2.5 and 3.0 g/kg diet) of MOS were added to the basal diet (used as control diet) and fed clownfish A. ocellaris [total length (24.21 ± 0.16) mm] for 70 days. Growth performance and tissue protein were measured. Results: The result showed that growth rate was enhanced significantly in fish fed 0.10% and 0.15% MOS in diets compared to fish fed other MOS levels or control (P < 0.05). Survival rate significantly increased in fish fed diets with 0.20% and 0.25% MOS, compared to control. Fraction rates of protein growth were significantly higher in fish fed diets with 0.15%, 0.20%and 0.25% MOS supplementation than those fish fed other MOS inclusion levels and the control (P < 0.04). Dietary MOS concentrations and clownfish growth rates were significantly correlated. Optimal MOS concentration was predicted to be 0.185%, 0.173% and 0.171% at Days 14, 42 and 70, respectively. Conclusions: In conclusion, MOS-supplemented diet benefits for boosting growth, survival and body composition of the clownfish, A. ocellaris.

关键词： Amphiprion ocellaris Clownfish Mannan oligosaccharides Growth Body composition

Multiple Sequence Alignment Using Dynamic Programming Technique

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Multiple Sequence Alignment Using Dynamic Programming Techni...

作者： nguyen hoang Tu 湖南大学

学位级别：硕士

多重序列比对（MSA）是在现代生物学领域应用中的最重要方法之一。MSA被应用于生物信息学中的不同领域,譬如功能和结构预测以及基因的进化。不过MSA是一个NP-hard问题,因此启发式方法可在合理的时间内完成大量的数据比对。当进行比... 详细信息

多重序列比对（MSA）是在现代生物学领域应用中的最重要方法之一。MSA被应用于生物信息学中的不同领域,譬如功能和结构预测以及基因的进化。不过MSA是一个NP-hard问题,因此启发式方法可在合理的时间内完成大量的数据比对。当进行比对时,我们有许多不同的方法如动态规划法、启发性方法、渐进法等。在现有的探索性方法中,CLUSTALW被认为是一种优越的应用软件,其能够提供较优势的序列分析法。虽然有着许多不同方法,但我们不能确定哪种方法是最好的,因为它们都具有不同的优势. 本论文将介绍多重序列比对理论和现有的MSA应用程序。此后本文将基于动态规划法进行分析及提出解决方案。本文逐渐完成双序列比对、三序列比对和多中心比对（MCSA）。在每次测试中,选取不同长度的序列,并对结果进行了分析。本论文的主要工作是在动态规划法基础上改进了矩阵分析方法。本论文使用最低分数构成矩阵并会按由下而上方向填入数据,序列比对结果取决于“打分矩阵、差距、方法”。同时本论文还对动态规划法和渐进法进行实验分析。

关键词： Pair wise Align Multiple Center Star Alignment

Porosity Estimation from High Resolution CT SCAN Images of Rock Samples by Using Housfield Unit

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Open Journal of Geology 2018年第10期8卷 1019-1026页

作者： nguyen Lam Quoc Cuong nguyen Hong Minh hoang Manh Cuong Phan Ngoc Quoc Ngo hoang Van Anh nguyen Van Hieu Analysis Laboratory Center-Vietnam Petroleum Institute Ho Chi Minh City Vietnam

Computer Automated Tomography has been shown to be a valuable tool in production research because it provides a non-destructive method to identify and evaluate the internal structural characteristics of reservoir rock. In CT scan, Hounsfield Unit (HU) is proportional to the degree of X-ray attenuation by the tissue. The aim of the present study was to introduce the method to estimate porosity which is one of physical parameters of reservoir rock though HU data. In this study, an Image J software was used to extract Hounsfield Unit data and calibrate by standard material’s density. This method provides the ability of using CT Scanner in advanced reservoir characterization and flow test experiments.

关键词： CT Scan Hounsfield Unit Porosity

基于VISSIM的越南河内市典型信号交叉口交通信号设计及交通组织优化研究

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基于VISSIM的越南河内市典型信号交叉口交通信号设计及交通组织优...

作者： nguyen hoang SON 西南交通大学

学位级别：硕士

近年来随着越南社会与经济的快速増长,工农业的飞速发展带来了显著的城镇化发展,在城镇化发展水平不断提升的过程中开始逐渐爆发大量的城市的交通问题如交通拥堵、交通故事、交通环境污染等。越南首都河内市,是国家政治与文化中心,也是... 详细信息

近年来随着越南社会与经济的快速増长,工农业的飞速发展带来了显著的城镇化发展,在城镇化发展水平不断提升的过程中开始逐渐爆发大量的城市的交通问题如交通拥堵、交通故事、交通环境污染等。越南首都河内市,是国家政治与文化中心,也是越南北部经济三角中最重要的城市,因此经济繁荣发展,但城市化进程迅速但是也带来了许多交通问题,特别的是,发生在交通高峰期信号交叉口的交通拥堵问题,导致了交叉口的通行能力的降低,增加了交通流通行时间。遇到这些问题是由于道路设施和公共交通发展不满足居民出行需求,而汽车、摩托车数量增长较快,同时交通管理和交通组织不足,使河内交叉口交通问题已成为热点。本文从混合交通流的特点出发,主要以越南首都河内市交叉口交通的问题为研究对象,首先采用定性方法来分析河内市交通组织中存在的问题,注重信号灯交叉口。其次,根据河内市交通组织现状与特征分析的结果,借鉴在中国西南交通大学所学习掌握到的交通组织的先进知识,国际城市交通组织经验以及交通领域学者的研究成就应用于解决越南首都河内市信号灯交叉口的交通问题。主要包括以下三方面内容:(1)论文分析城市信号交叉口混合交通与交通冲突特征以及交通组织的相关基础理论。(2)以越南河内市为例,本文分析目前河内市道路交通网络形状和交叉口交通组织状况及其存在问题。(3)针对河内市关键信号交叉口进行调查与分析,并基于Vissim仿真软件的交叉口交通组织优化。结果表明本文所提的交通组织方案比现状方案更合理。

关键词：信号交叉口交通组织优化河内市 VISSIM

DETERMINATION OF KRAFT LIGNIN CONCENTRATIONS BY FTIR

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天津科技大学学报 2004年第A2期19卷 97-100页

作者： Viet hoang K. Loi nguyen Australian Pulp and Paper Institute Monash UniversityClayton VictoriaAustraliaAustralian Pulp and Paper InstituteMonash UniversityClayton VictoriaAustralia

关键词：牛皮纸木质素部分最小平方算法制浆 FTIR

Outcomes of Roux-en-Y gastric bypass and laparoscopic adjustable gastric banding

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World Journal of Gastroenterology 2013年第36期19卷 6035-6043页

作者： nam Q nguyen Philip Game Justin Bessell Tamara L Debreceni Melissa Neo Carly M Burgstad Pennie Taylor Gary A Wittert Department of Gastroenterology and Hepatology Royal Adelaide Hospital Discipline of Medicine University of Adelaide Department of Surgery Royal Adelaide Hospital Adelaide Obesity Surgery Calvary Wakefield Hospital Department of Surgery Flinders University

AIM:To evaluate weight loss and surgical outcomes of Roux-en-Y gastric bypass(RYGB)and laparoscopic adjustable gastric band(LAGB).METHODS:Data relating to changes in body mass index(BMI)and procedural complications after RYGB(1995-2009;n=609;116M:493F;42.4±0.4 years)or LAGB(2004-2009;n=686;131M:555F;37.2±0.4years)were extracted from prospective ***:Pre-operative BMI was higher in RYGB than LAGB patients(46.8±7.1 kg/m2vs 40.4±4.2 kg/m2,P<001);more patients with BMI<35 kg/m2underwent LAGB than RYGB(17.1%vs 4.1%,P<0.0001).BMI decrease was greater after *** were direct relationships between weight loss and pre-operative BMI(P<0.001).Although there was no difference in weight loss between genders during the first 3-year post-surgery,male LAGB patients had greater BMI reduction than females(-8.2±4.3 kg/m2vs-3.9±1.9kg/m2,P=0.02).Peri-operative complications occurred more frequently following RYGB than LAGB(8.0%vs0.5%,P<0.001);majority related to wound *** had more long-term complications requiring corrective procedures than RYGB(8.9%vs 2.1%,P<0.001).Conversion to RYGB resulted in greater BMI reduction(-9.5±3.8 kg/m2)compared to removal and replacement of the band(-6.0±3.0 kg/m2).Twelve months post-surgery,fasting glucose,total cholesterol and low density lipoprotein levels were significantly lower with the magnitude of reduction greater in RYGB ***:RYGB produces substantially greater weight loss than *** peri-operative complications are greater after RYGB,long-term complication rate is higher following LAGB.

关键词： Bariatric surgery Gastric bypass Gastric banding Weight loss Complications Co-morbidity Outcomes

Improved flood susceptibility mapping using a best first decision tree integrated with ensemble learning techniques

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Geoscience Frontiers 2021年第3期12卷 333-342页

作者： Binh Thai Pham Abolfazl Jaafari Tran Van Phong hoang Phan Hai Yen Tran Thi Tuyen Vu Van Luong Huu Duy nguyen Hiep Van Le Loke Kok Foong University of Transport Technology Ha Noi 100000Viet Nam Research Institute of Forests and Rangelands Agricultural ResearchEducation and Extension Organization(AREEO)TehranIran Institute of Geological Sciences Vietnam Academy of Sciences and Technology84 Chua Lang StreetDong daHa NoiViet Nam Department of Geography School of Social EducationVinh UniversityViet Nam Department of Resource and Environment Management School of Agriculture and ResourcesVinh UniversityViet Nam Faculty of Geography VNU University of Science334 Nguyen TraiHa NoiViet Nam Institute of Research and Development Duy Tan UniversityDa Nang 550000Viet Nam Department for Management of Science and Technology Development Ton Duc Thang UniversityHo Chi Minh CityViet Nam Faculty of Civil Engineering Ton Duc Thang UniversityHo Chi Minh CityViet Nam

Improving the accuracy of flood prediction and mapping is crucial for reducing damage resulting from flood *** this study,we proposed and validated three ensemble models based on the Best First Decision Tree(BFT)and the Bagging(Bagging-BFT),Decorate(Bagging-BFT),and Random Subspace(RSS-BFT)ensemble learning techniques for an improved prediction of flood susceptibility in a spatially-explicit manner.A total number of 126 historical flood events from the Nghe An Province(Vietnam)were connected to a set of 10 flood influencing factors(slope,elevation,aspect,curvature,river density,distance from rivers,flow direction,geology,soil,and land use)for generating the training and validation *** models were validated via several performance metrics that demonstrated the capability of all three ensemble models in elucidating the underlying pattern of flood occurrences within the research area and predicting the probability of future flood *** on the Area Under the receiver operating characteristic Curve(AUC),the ensemble Decorate-BFT model that achieved an AUC value of 0.989 was identified as the superior model over the RSS-BFT(AUC=0.982)and Bagging-BFT(AUC=0.967)models.A comparison between the performance of the models and the models previously reported in the literature confirmed that our ensemble models provided a reliable estimate of flood susceptibilities and their resulting susceptibility maps are trustful for flood early warning systems as well as development of mitigation plans.

关键词： Machine learning Ensemble learners Hybrid modeling