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The impact of green finance,eco-innovation,renewable energy and carbon taxes on CO_(2) emissions in BRICS countries:Evidence from CS ARDL estimation

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Geoscience Frontiers 2024年第4期15卷 449-458页

作者： Muhammad Sadiq Ka Yin Chau Nguyen tran Thai ha thi Thu Hien Phan Thanh Quang Ngo Pham Quang Huy Carbon Economy Research Center Fuzhou University of International Studies and TradeFuzhou 350202China School of Accounting and Finance Faculty of Business and LawTaylor’s UniversityMalaysia Faculty of Business City University of MacaoTaipaMacaoChina Faculty of Finance and Banking Van Lang UniversityHo Chi Minh CityVietnam Zhejiang Shuren University No.8 Shuren streetHangzhou 310015China School of Government University of Economics Ho Chi Minh City(UEH)Ho Chi Minh City 72407Viet Nam Research Group Public Governance and Developmental Issues University of Economics Ho Chi Minh City(UEH)Ho Chi Minh City 72407Viet Nam Ho Chi Minh City University of Economics and Finance(UEF) Ho Chi Minh CityVietnam University of Economics and Human Sciences in Warsaw WarsawPoland

A sharp increase in economic and human development has multiplied the carbon intensity due to which there is a significant need of effective strategies in order to curb carbon ***,the present study aims to examine the effective of green finance,eco-innovation,renewable energy output(REO),renewable energy consumption(REC),and carbon taxes on carbon dioxide(CO_(2))emissions in BRICS countries in the time of ***-sectional autoregressive distributed lag(CS ARDL)is used to test the connection among the *** estimations of CS-ARDL approach validates the effectiveness of green finance,eco-innovation,REO,REC,carbon taxes,and industrialization as the relationship of these factors with carbon emissions is negative in nature in BRICS *** on the evidences,the study recommends the formulation of environmentally friendly practices and advancement in green finances to mitigate carbon emissions.

关键词： Green finance Eco-innovation Renewable energyoutput Carbon taxes Environmental degradation CO_(2)emissions

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Study on Extraction and Conversion Annatto （Bixa orellana L.） Color into Norbixin to Prepare Food Grade Water-Soluble Norbixin Powder

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Journal of Life Sciences 2017年第2期11卷 97-104页

作者： tran thi ha Dao Phan Thoai Le thi Thu Thuy Phan The Dong The Department of Food- Environment & Nursing Dong Nai Technology University Dong Nai 810000 Viet Nam The Faculty of Science & Engineering Hoa Sen University Ho Chi Minh 700000 Viet Nam

Response surface methodology was used in this research to optimize the technical parameters of the extraction and conversion color compound in armatto seeds into norbixin. Parameters affected the extraction efficiency and norbixin recovery yield were solvent concentration, rate of solvent/seed, incubation time, and incubation temperature. The optimization results including： concentration of ethanol is 51.82°; concentration of NaOH is 0.52 M; ratio of solvent/seed is 7.1/1; incubation time is 33.12 minutes, incubation temperature is 58.6℃, and the rate of 36% HCl/color solution is 0.5/5 （v/v）.

关键词： Achiote Bixa orellana L. bixin norbixin extraction conversion food color.

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Isolation and Identification of Arbuscular Mycorrhizal Fungi from Agricultural Fields of Vietnam

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American Journal of Plant Sciences 2012年第12期3卷 1796-1801页

作者： Zita Sasvári Franco Magurno Dóra Galanics tran thi Nhu hang tran thi Hong ha Nguyen Dinh Luyen Le Mai Huong Katalin Posta Microbiology and Environmental Toxicology Group Institute of Plant ProtectionSzent István UniversityGodolloHungary Experimental Biology Laboratory Institute of Natural Products Chemistry(INPC)Vietnam Academy of Science and Technology(VAST)HanoiVietnam

The rising claim for more environmental friendly and healthy agriculture is a strong incentive to find alternative strategies to replace the use of mineral fertilizer and pesticide. Arbuscular mycorrhizal fungi (AMF), a main component of soil microbiota, represent a promising tool as providers of key ecological services. The present work represented one of the first attempts to study, under a morphological and molecular point of view, the AMF communities associated to some strategic crops in Vietnam. The findings about the AMF morphotypes dominant in different crop systems could be a starting point for the development of well performing and adapted inocula suitable for the application in field.

关键词： Arbuscular mycorrhizal Fungi Spore Density Vietnam Crops

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Dry eye rate and its relationship with disease stage in patients with primary hypertension:a cross-sectional study in Vietnam

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 653-658页

作者： tran Tat Thang Pham Hong Phuong Nguyen Sa Huynh Nguyen Trung Kien NguyenDuy Toan Nguyen thi Thu ha Le ha Khoa Nguyen Huu Dung Thai Doan Thang Le Viet Thang Nghe An Eye Hospital Nghe An 43000Vietnam Nghe An Friendship General Hospital Nghe An 43000Vietnam Military Hospital 103 Ha Noi 100000Vietnam Vietnam Military Medical University Ha Noi 100000Vietnam hanoi Medical University Ha Noi 100000Vietnam Bạch Mai Hospital Ha Noi 100000Vietnam TTH Vinh General Hospital Nghe An 100000Vietnam

AIM:To determine the dry eye(DE)rate and its relationship with disease stage in patients with primary ***:A cross-sectional study included 432 patients with primary hypertension(with an equal number of patients in each group:144 in stage Ⅰ,Ⅱ,and Ⅲ hypertension)and 144 healthy subjects as a control *** Ocular Surface Disease Index(OSDI)and Schirmer Ⅰ test without anesthetics were conducted on all 576 *** with OSDI scoreshan in the control group(41.7%versus 18.8%;Phan those without DE,P<*** age,a long duration of hypertension,diabetes mellitus,elevated plasma creatinine,and CRP-hs levels were independent factors associated with DE in primary hypertension patients,P<***:DE is a common disorder associated with advanced age,a long duration of hypertension,diabetes mellitus,elevated plasma CRP-hs,and creatinine levels in patients with primary hypertension.

关键词： primary hypertension dry eye stage of hypertension plasma creatinine

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基于中国游客感知的越南芽庄旅游吸引力评价研究

基于中国游客感知的越南芽庄旅游吸引力评价研究

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作者：秋荷（tran thi THU ha）重庆交通大学

学位级别：硕士

近年来,越南芽庄旅游业取得了令人瞩目的成绩,在各国知名度越来越高,成为了全世界游客理想的滨海旅游胜地。中国和越南山水相依,两国人民的友谊源远流长,中越之间经济往来和文化交流频繁,越南成为了越来越多中国居民的出游选择。芽庄作... 详细信息

近年来,越南芽庄旅游业取得了令人瞩目的成绩,在各国知名度越来越高,成为了全世界游客理想的滨海旅游胜地。中国和越南山水相依,两国人民的友谊源远流长,中越之间经济往来和文化交流频繁,越南成为了越来越多中国居民的出游选择。芽庄作为世界上最美丽的海湾之一,因其适宜气候条件、丰富旅游资源和完善旅游条件等得到了中国游客的青睐,近年来接待中国游客数量巨增,成为了第一大入境客源国。在这种背景下,本文从中国游客感知出发,评价越南芽庄旅游吸引力,找出现存障碍并提出有效对策,对越南芽庄旅游业发展意义重大。本文广泛借鉴国内外研究成果,以旅游经济学、旅游心理学和旅游市场营销学为理论基础,基于中国游客感知视角,从旅游资源、旅游产品、旅游环境和旅游基础设施等大类中筛选20个影响指标,构建越南芽庄旅游吸引力指标体系,对中国游客实施了线上及线下问卷调查,利用SPSS软件统计数据和提取分析影响因子。研究表明,根据旅游决策理论,“基本型吸引力”“期望型吸引力”“兴奋型吸引力”3个影响因子的累积贡献率接近60%,可以解释原有变量的大部分信息。全文共分七章。第一章是绪论,包括选题背景、意义、研究内容、研究方法与技术路线、研究创新点等。第二章是文献综述和理论基础,梳理国内外旅游吸引力研究现状,进行了相关概念界定和理论阐释。第三章是越南芽庄旅游发展现状,从供给侧和需求侧两方面梳理越南芽庄旅游业发展现状,分析中国游客赴芽庄旅游情况。第四章是基于中国游客感知的越南芽庄旅游吸引力指标体系的构建,根据问卷调查数据分析中国游客赴越南芽庄旅游的人口学特征和旅游消费特征,从中国游客感知出发构建越南芽庄旅游吸引力指标体系,采取因子分析法,提取、命名和解释影响因子。第五章是基于中国游客感知的越南芽庄旅游吸引力评价,运用IPA格图法,基于中国游客感知从重要性和表现性两方面评价越南芽庄旅游吸引力指标,系统总结越南芽庄旅游吸引力的优劣势。第六章是基于中国游客感知的越南芽庄旅游吸引力提升对策研究,从重点改进策略、继续提升策略、积极拓展策略和适当调整策略等方面提出越南芽庄旅游优化对策,进一步提升旅游吸引力。最后是研究结论与展望,提出研究不足和今后进一步研究方向。

关键词：中国游客越南芽庄旅游吸引力评价

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越南互联网管理模式探析

越南互联网管理模式探析

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作者：陈氏美河（tran thi My ha）华南理工大学

学位级别：硕士

本文从传播媒介的角度,介绍越南互联网的发展现状并进一步研究越南互联网管理的基本模式。互联网于1997年11月19日正式出现在越南。初始,互联网被认为是一项奢侈服务,只有真正需要的个人和群体(如媒体,科学家,管理人员等)才能使用互联... 详细信息

本文从传播媒介的角度,介绍越南互联网的发展现状并进一步研究越南互联网管理的基本模式。互联网于1997年11月19日正式出现在越南。初始,互联网被认为是一项奢侈服务,只有真正需要的个人和群体(如媒体,科学家,管理人员等)才能使用互联网。而现在,互联网已经被广泛使用在全国各省级城市,从人口密集的地区到偏远乡村等。总体上,从1997年到现在,越南互联网管理模式经过了三个阶段:严格控制,推动普及,以及促进发展。从1997年到2000年,越南互联网发展很缓慢。根据国际电报联盟(ITU)的统计数据,2000年,越南网民只有20万,占总人口的0.25%。但自从第55/2001/ND-CP号法令于2001年8月23日颁布之后,越南网民数量不断增加。根据越南互联网络信息中心(VNNIC)的统计数据,到2010年底,越南拥有2678万互联网用户,占越南总人口的31.11%。在政府的管理与控制之下,越南互联网的发展,取得了令人瞩目的成绩,但是也不免存在许多问题,本文也指出了越南互联网管理模式存在的一些问题,如法律不健全,网络信息分类标准不统一,网络信息安全面临挑战,管理人才缺乏等。因为越南的法律制度跟不上互联网迅速发展,加之社会教育水平低下,以及无法控制的网络自身特征等,这些问题的出现无法避免。本文针对这些问题提出了相应的策略与建议:即完善法律制度,维护网络信息安全,建设网络信息管理的标准化,注重网络信息资源管理人才的培养和提高社会教育水平。

关键词：越南互联网管理管理模式

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Tungsten-based nanocatalysts with different structures for visible light responsive photocatalytic degradation of bisphenol A

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Journal of Environmental Sciences 2024年第5期139卷 569-588页

作者： hai Bang Truong thi Thu Loan Doan Nguyen Tien Hoang Nguyen Van Tam Minh Kim Nguyen Le Gia Trung Jin Seog Gwag Nguyen Tien tran Optical Materials Research Group Science and Technology Advanced InstituteVan Lang UniversityHo Chi Minh CityViet Nam Faculty of Applied Technology School of TechnologyVan Lang UniversityHo Chi Minh CityViet Nam The University of Da Nang University of Science and Technology54 Nguyen Luong BangDa NangViet Nam The University of Da Nang University of Science and Education459 Ton Duc Thang St.Lien ChieuDa Nang 550000Viet Nam Institute of Veterinary Science and Technology 31ha zoneTrau QuyGia LamHa Noi 12400Viet Nam Department of Physics Yeungnam UniversityGyeongsanGyeongbuk 38541Republic of Korea Center for Advanced Chemistry Institute of Research and DevelopmentDuy Tan University03 Quang TrungDa Nang 550000Viet Nam Faculty of Natural Sciences Duy Tan University03 Quang TrungDa Nang 550000Viet Nam

Environmental pollution,such as water contamination,is a critical issue that must be absolutely ***,three different morphologies of tungsten-based photocatalysts(WO_(3)nanorods,WO_(3)/WS_(2)nanobricks,WO_(3)/WS_(2)nanorods)are made using a simple hydrothermal method by changing the solvents(H_(2)O,DMF,aqueous HCl solution).The as-prepared nanocatalysts have excellent thermal stability,large porosity,and high *** results show all materials have good photocatalytic activity in aqueous media,with WO_(3)/WS_(2)nanorods(NRs)having the best activity in the photodegradation of bisphenol A(BPA)under visible-light *** may originate from increased migration of charge carriers and effective prevention of electron–hole recombination in WO_(3)/WS_(2)NRs,whereby this photocatalyst is able to generate more reactive·OH and·O_(2)^(–)species,leading to greater photocatalytic *** 99.6% of BPA is photodegraded within 60 min when using 1.5 g/L WO_(3)/WS_(2)NRs and 5.0 mg/L BPA at pH ***,the optimal conditions(pH,catalyst dosage,initial BPA concentration)for WO_(3)/WS_(2)NRs are also elaborately *** rod-like heterostructures are expressed as potential catalysts with excellent photostability,efficient reusability,and highly active effectivity in different types of *** particular,the removal efficiency of BPA by WO_(3)/WS_(2)NRs reduces by only 1.5% after five recycling runs and even reaches 89.1%in contaminated lake *** study provides promising insights for the nearly complete removal of BPA from wastewater or different water resources,which is advantageous to various applications in environmental remediation.

关键词： Photodegradation Bisphenol A Tungsten-based nanocatalyst Structure Nanorod

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Liquid Metal Grid Patterned thin Film Devices Toward Absorption‑Dominant and Strain‑Tunable Electromagnetic Interference Shielding

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Nano-Micro Letters 2024年第11期16卷 541-553页

作者： Yuwen Wei Priyanuj Bhuyan Suk Jin Kwon Sihyun Kim Yejin Bae Mukesh Singh Duy Thanh tran Minjeong ha Kwang‑Un Jeong Xing Ma Byeongjin Park Sungjune Park Department of Polymer‑Nano Science and Technology Department of Nano Convergence EngineeringJeonbuk National UniversityJeonju 54896Republic of Korea School of Chemical Engineering Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea Composites Research Division Korea Institute of Materials ScienceChangwon 51508Republic of Korea School of Materials Science and Engineering Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea School of Materials Science and Engineering and Sauvage Laboratory for Smart MaterialsHarbin Institute of Technology(Shenzhen)ShenzhenGuangdong 518055People’s Republic of China

The demand of high-performance thin-film-shaped deformable electromagnetic interference(EMI)shielding devices is increasing for the next generation of wearable and miniaturized soft *** highly reflective conductive materials can effectively shield EMI,they prevent deformation of the devices owing to rigidity and generate secondary electromagnetic pollution ***,soft and stretchable EMI shielding thin film devices with absorption-dominant EMI shielding behavior is *** devices consist of liquid metal(LM)layer and LM grid-patterned layer separated by a thin elastomeric film,fabricated by leveraging superior adhesion of aerosol-deposited LM on *** devices demonstrate high electromagnetic shielding effectiveness(SE)(SE_(T) of up to 75 dB)with low reflectance(SER of 1.5 dB at the resonant frequency)owing to EMI absorption induced by multiple internal reflection generated in the LM grid ***,the excellent stretchability of the LM-based devices facilitates tunable EMI shielding abilities through grid space adjustment upon strain(resonant frequency shift from 81.3 to 71.3 GHz@33%strain)and is also capable of retaining shielding effectiveness even after multiple strain *** newly explored device presents an advanced paradigm for powerful EMI shielding performance for next-generation smart electronics.

关键词： Absorption-dominant electromagnetic interference shielding Liquid metals Soft and stretchable electronics thin film devices Tunable electromagnetic interference shielding

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Building the ARIMA Model for Forecasting the Production of Vietnam’s Coffee Export

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Journal of Applied Mathematics and Physics 2024年第4期12卷 1237-1246页

作者： Duy Quang Phung Quoc Thang Trinh Quang Truong Do Ngan Giang Nguyen Van ha Nguyen Gia Khiem Ngo thi Minh Ngoc tran Faculty of Technology and Data Science Foreign Trade University Hanoi Vietnam School of Economics and International Business Foreign Trade University Hanoi Vietnam

Coffee is a significant industry, accounting for 3% of Vietnam’s GDP, with annual export turnover consistently exceeding USD 3 billion. Despite global economic challenges affecting purchasing power at various times, Vietnam’s coffee exports in December 2023 continued to surge, reaching the highest level in the past 9 months at 190,000 tons, a 59.3% increase compared to November 2023, but still a slight 3.5% decrease from the same period last year. The export turnover reached USD 538 million, a 51% increase from November 2023 and a 26.4% increase from the same period last year. Therefore, forecasting the coffee export volume holds significant importance for coffee producers nationwide. this research employs the Box-Jenkins method to construct an ARIMA model for forecasting Vietnam’s coffee export volume based on annual data published by the General Statistics Office. Results indicate that among the models considered, the ARIMA(1, 1, 2) model is the most suitable. The study also provides short-term forecasts for Vietnam’s coffee export volume. However, the current model is limited to forecasting and is not yet optimized, as the assumed linearity in the model is a simplification.

关键词： ARIMA Forecasting Coffee Export Volume Data Science

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Social Intelligence in Education: A Mediator Analysis of Attitude

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Psychology Research 2020年第8期10卷 308-311页

作者： Phan Trong Ngo Le Minh Nguyet Giap Binh Nga tran thi ha hanoi National University of Education HanoiVietnam

this article reports on a study of social intelligence in *** surveyed approximately 1,188 students in the north of Vietnam to assess levels of social intelligence in education including awareness,attitude,and *** variables included region and the gender of *** there are no region and gender differences in social intelligence,correlations and mediating relationships are found.

关键词： social intelligence in education mediator awareness attitude and skills

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