Search results for: Nguyen Thi Hang

Items from 1 to 13 out of 13 results

article

The relate between determining interaction, students’ outcome conditions at universities and correct employment positions at enterprise

Nguyen Thi Hang

World Scientific News > 2023 > 175 > 13-24

Improving the quality of human resources so that output products can meet the requirements of enterprises and the labor market is a top priority of universities. To achieve that goal, the university's training activities need to be geared towards social needs, including business needs, and must be linked with businesses. At the same time, in order to achieve competitive efficiency, enterprises need...

article

Sharing and connecting information in the context of the Covid-19 pandemic and training skills for employees to meet the needs of businesses in digital transformation

Nguyen Thi Hang, Trong Quyen Tran

Management > 2022 > Vol. 26, no. 1 > 93--117

In the context of the strong outbreak of the Covid-19 pandemic leading to increasing social distancing, it is difficult for businesses to access the labor market. Therefore, it is necessary to create a connection channel between the employer and the labor supplier. That helps to adapt to the context of the Covid-19 pandemic, while also taking advantage of the achievements from the Industrial Revolution...

article

Cadmium Immobilization in the Rice – Paddy Soil with Biochar Additive

Khac Vu Thi, Phuong Dinh Thi Lan, Nga Nguyen Thi Hang, Hoa Nguyen Thanh

Journal of Ecological Engineering > 2022 > Vol. 23, nr 4 > 85--95

Cadmium (Cd) is toxic for humans, but its effects on the yield and quality of rice under contaminated irrigation conditions remain uncertain. In this study, paddy soils in the Red River Delta (Vietnam) were selected for experiments with the purpose of understanding the effects of Cd contaminated irrigation water on growth, yields, and grain Cd accumulation. In addition, biochar was produced from rice...

article

Rice Growth, Grain Zinc, and Soil Properties under Saline Irrigation Conditions

Lan Phuong Dinh Thi, Nga Nguyen Thi Hang, Hoa Thanh Nguyen, Lien Thi Nguyen

Journal of Ecological Engineering > 2021 > Vol. 22, nr 9 > 59--70

This research evaluated rice growth and yield as well as Zn accumulation in both soil and grain under saline water irrigation conditions. The experiment consisted of a series of pots containing rice plants and paddy soil, with the application of irrigation treatments of five different salinity levels (1.5, 2, 3, 4, and 5‰ with a drip irrigation system). The results show that the salinity accumulation...

article

Reforming specialized inspection procedures to improve business environment in Vietnam for trade facilitation implementation

Le Thi Viet Nga, Dinh Tran Ngoc Huy, Nga Nguyen Thi Hang, Leng Thi Lan, more

Management > 2021 > Vol. 25, no. 1 > 234--258

Our study aims to analyze and assess the process of reforming the specialized inspection procedures in Vietnam which is included in Vietnam’s trade facilitation implementation program, and suggesting some recommendations for Vietnam to do the reform to improve business environment and enhance Vietnam’s national competitiveness. By synthesizing and analyzing secondary data from creditable sources such...

article

Sandy Soil Reclamation Using Biochar and Clay-Rich Soil

Diep Pham Thi, Nga Nguyen Thi Hang, On Tran Viet, Loc Nguyen Van, more

Journal of Ecological Engineering > 2021 > Vol. 22, nr 6 > 26--35

The investigations on the effects of biochar application in improving the physio-chemical properties of soil have been carried out in many studies; however, there are very few studies on the combined use of both biochar and clay-rich soil for poor nutrient soil reclamation. Therefore, this study demonstrates improved water retention and nutrient retention of sandy soil by using biochar and biochar...

article

Research and proposed solutions for improvement of the competitiveness of regions in Vietnam

Nguyen Thi Hang

World Scientific News > 2020 > 142 > 88-102

The Provincial Competitiveness Index is an indicator to evaluate and rank the governments of provinces and cities of Vietnam in terms of the quality of economic governance and building a favorable business environment. This is a measure of the level of local competitiveness in attracting and supporting development investment enterprises in a province. In recent years, localities have had many changes...

article

Research on a number of applicable forecasting techniques in economic analysis, supporting enterprises to decide management

Nguyen Thi Hang

World Scientific News > 2019 > 119 > 52-67

Forecasting is an important tool, an indispensable part in the operation of businesses to help create a competitive advantage, thereby assisting corporate executives in proactively planning and necessary decisions for production, business, investment, promotion, production scale, product distribution channel, financial supply ... and preparation of sufficient facilities, Techniques for development...

article

Assessing the developing day of Thai Nguyen province through research of industrial products

Nguyen Thi Hang

World Scientific News > 2018 > 101 > 132-144

The value of industrial production is considered to be an aggregate indicator. This refers to the production and business results of an industry produced in a given period of time, usually one year. This is the basis for assessing the industrial development of the whole country as well as of each region, region and locality. Thai Nguyen is a province with a long-standing industry, which has long been...

article

Sufficient conditions for error bounds of difference functions and applications

Nguyen Thi Hang, Jen-Chih Yao

Journal of Global Optimization > 2016 > 66 > 3 > 439-456

This paper establishes verifiable sufficient conditions for the existence of error bounds for the sub-level set of a difference function over an abstract constraint by applying a technique used by A. D. Ioffe. As a consequence, error bounds for constraint systems defined by d.c. inequalities and their applications in studying of exactness of the associated $$\ell _1$$ ℓ 1 penalty function...

article

On the Problem of Minimizing a Difference of Polyhedral Convex Functions Under Linear Constraints

Nguyen Thi Hang, Nguyen Dong Yen

Journal of Optimization Theory and Applications > 2016 > 171 > 2 > 617-642

This paper is concerned with two d.p. (difference of polyhedral convex functions) programming models, unconstrained and linearly constrained, in a finite-dimensional setting. We obtain exact formulae for the Fréchet and Mordukhovich subdifferentials of a d.p. function. We establish optimality conditions via subdifferentials in the sense of convex analysis, of Fréchet and of Mordukhovich, and describe...

article

The Penalty Functions Method and Multiplier Rules Based on the Mordukhovich Subdifferential

Nguyen Thi Hang

Set-Valued and Variational Analysis > 2014 > 22 > 2 > 299-312

We show that the finite-dimensional Fritz John multiplier rule, which is based on the limiting/Mordukhovich subdifferential, can be proved by using differentiable penalty functions and the basic calculus tools in variational analysis. The corresponding Kuhn–Tucker multiplier rule is derived from the Fritz John multiplier rule by imposing a constraint qualification condition or the exactness of an...

chapter

10 Gb/s SerDes for Bidirectional Chip-to-Memory Optical Interconnection

Nguyen Thi Hang Nga, Min Hyuk Lee, Tae-Woo Lee, Hyo-Hoon Park

2007 Conference on Lasers and Electro-Optics - Pacific Rim > 1 - 2

2007 Conference on Lasers and Electro Optics and the Pacific Rim Conference on Lasers and Electro-Optics

A new hybrid serializer/deserializer (SerDes) of shift-register and tree structures is proposed. Shared common blocks between multiplexer/demultiplexer (Mux/Demux) on a single chip save power of 63% and 37% in Mux/Demux mode respectively compared to using separate chips. The chip is simulated in a 0.18 mum CMOS technology, operates up to 10 Gb/s.

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