This paper presents the design and performance analysis of multiband dual diversity 8-element multiple-input multiple-output (MIMO) antenna at 2.45/3.5/5.2/6 GHz. The proposed antenna was designed on a Flame Resistant (FR-4) substrate having a dielectric constant of 4.4 , dimensi...
Open access
Research Article10.9734/jerr/2023/v25i7935
In this article, begins with the motivation for compiling, literature review, and normal distribution theory and characteristics with a shallow example to explain. Design Method: Making an approximately qualitative normal distribution with EXCEL software. First, the sample group...
Open access
Research Article10.9734/jerr/2023/v25i7936
Geopolymer concrete has the outstanding characteristics of low carbon emissions and low energy consumption while utilizing industrial solid waste, and is expected to replace cement as a new generation of green building materials. Moreover, with the continuous increase in the amou...
Open access
Research Article10.9734/jerr/2023/v25i7933
Traditional means of reactive power regulation are limited to adjusting the ratio of the On-Load Tap Changer or changing the access position of the reactive power compensation device and its access capacity. In order to save the cost of putting in reactive power compensation devi...
Open access
Research Article10.9734/jerr/2023/v25i6931
This paper presents a novel design of an ultra-wideband metamaterial-based rectangular microstrip antenna for sub-6 GHz 5G and other microwave applications. The proposed antenna consist of a rectangular microstrip patch, two metamaterial unit cells, Flame Resistant (FR-4) substra...
Open access
Research Article10.9734/jerr/2023/v25i7932
China is a large agricultural country, each year will produce a large number of straw. The recycling of straw to China's agricultural development and environmental protection are very helpful, the recycling of straw is mainly energy, fertilizer, feed several uses, different uses...
Open access
Research Article10.9734/jerr/2023/v25i6930
Roads should possess sufficient strength to support wheel loads imposed upon them either during construction or the service life of the pavement. It is sometimes necessary to treat soils to provide a stable subgrade or a working platform for the construction of the road surface....
Open access
Research Article10.9734/jerr/2023/v25i6927
Studies that investigated the effectiveness of groundnut mixing as a function of mixing speed and time are scarcely reported. Therefore, the objective of the study is to investigate the main and interaction effects between mixing mixtures and mixing speed on the mixing evaluation...
Open access
Research Article10.9734/jerr/2023/v25i6928
Increasing global use of technology in everyday chores has raised the need for electric power in our lives the need for constant power thereby becomes very paramount for the smooth running of modern systems. In Nigeria incessant outages have led to failures in systems and sometim...
Open access
Research Article10.9734/jerr/2023/v25i6929
Optimizing energy, reduction of global warming and de-carbonization in a cement production is becoming a global discuss. This research work seek ways of optimizing energy recovery and exergy recovery of a clinker cooler in a running cement plant in Nigeria. The cement plant used...
Open access
Research Article10.9734/jerr/2023/v25i6926