8 Articles
2023 Year
Vol. 30 Volume

Research Articles

1

Investigating the effect of public investment in transportation infrastructure on economic growth in Iran

Department of Economics, University of Tokyo, Tokyo, Japan

In this paper, equivalence relation and long term of seven variables: Gross domestic product growth rate, labor force growth rate, private investment, public investment in transportation infrastructur...

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2

Biodiversity Assessment through Clustering Techniques and Swarm Intelligence

Department of Environmental Science, National University of Singapore, Singapore; Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Netherlands; Department of Botany, University of Cape Town, South Africa

Biodiversity is a key indicator of ecosystem health and function. Understanding species distribution and diversity patterns is vital for conservation efforts. This study introduces a novel framework u...

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3

The study of role and impact of formal education expenditures on economic growth in Iran

Department of Economics, Keio University, Tokyo, Japan

In this paper we investigated the long run relationship between formal education expenditures and economic growth and also their influences on each other in Iran and for years 1979-2008. In this purpo...

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4

An experimental investigation on thermal conductivity of lightweight foamcrete

School of Housing, Building and Planning, Universiti Sains Malaysia, 11800, Penang, Malaysia

Presently, the construction industry has shown considerable consciousness in utilizing lightweight foamcrete as a building material. The demand of lightweight foamcrete is becoming higher now where th...

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5

Analysis and Simulation of Single-Phase and Two-Phase Axial Flux Brushless Dc Motor

Department of Electrical Engineering, Seoul National University, Seoul, South Korea

The objective of the paper is to analyze and compare the performances of the axial flux permanent magnet brushless dc (AFPM BLDC)motor with single-phase winding and two-phase winding. To study the mot...

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6

Impacts of Urbanization on Native Plant Biodiversity in Tropical Ecosystems

Department of Environmental Science, National University of Singapore, Singapore; Department of Botany, University of Buenos Aires, Argentina; Faculty of Environmental Engineering, Cairo University, Egypt

Urbanization is a leading cause of habitat loss and fragmentation, posing significant threats to native plant biodiversity in tropical ecosystems. This study investigates the effects of urban expansio...

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7

Stochastic Dynamic Programming Optimization Model for Klang Gate Operational Release Policy

Department of Operations Research, KTH Royal Institute of Technology, Stockholm, Sweden

The development of management models for identification of optimal operating policies for reservoirs spans more than four decades of research. In an uncertain environment, where climatic factors such ...

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