As the world population increases more than ever before and increasing demand on food, feed and fiber, and security, the number of off-the-road vehicles is rapidly increasing for agriculture, forestry, military, mining and construction industries. Many researchers have studied an...
Open access
Research Article10.9734/jerr/2019/v4i416912
The Edwards-curve Digital Signature Algorithm (EdDSA) was proposed to perform fast public-key digital signatures and thus replace the Elliptic-Curve Digital Signature Algorithm. Its key advantages over the latter include higher performance and straightforward, secure implementati...
Open access
Research Article10.9734/jerr/2019/v4i416911
Three surface refraction seismic profiles were conducted in a site targeted for huge construction in an underdeveloped area in Opolo, Yenagoa city to portray some of the subsurface soil engineering characteristics for the purposes of construction. The Generalized Reciprocal Metho...
Open access
Research Article10.9734/jerr/2019/v4i416910
Research on soil-wheel interaction is essential in studies of motion resistance of narrow wheels of agricultural machines. The aim of this research was to study the effects of soil moisture content and tyre inflation pressure on motion resistance of narrow wheels using a locally...
Open access
Research Article10.9734/jerr/2019/v4i416909
The paper presents a design and simulation study of a differential active balun circuit implemented in a standard 90 nm complementary metal-oxide semiconductor (CMOS) process. The active balun design is intended for Worldwide Interoperability for Microwave Access (WiMAX) applica...
Open access
Research Article10.9734/jerr/2019/v4i416908
This research paper presents a design and study of a common-source/drain active balun circuit implemented in a standard 90-nm complementary metal-oxide semiconductor (CMOS) technology. The active balun design is intended for worldwide interoperability for microwave access (WiMAX...
Open access
Research Article10.9734/jerr/2019/v4i316906
Poor machining of wood generates more residues which leads to low recovery in wood processing. Therefore, the availability of appropriate wood machining techniques would promote efficient utilization of logs. This study looked at the shaping and sanding properties of Gmelina arbo...
Open access
Research Article10.9734/jerr/2019/v4i316904
The JK flip flop is a flexible type of bistable elements that has extensive uses in digital electronics and control circuits. It is usually described by its characteristic equation or next-state table (used for analysis purposes) and its excitation table (used for synthesis purpo...
Open access
Research Article10.9734/jerr/2019/v4i316903
Open loop control system is the type without feedback, that is, no sensor sensing the control variable, hence works on time basis. The paper established the facts that the system will prevent ubiquitous fire incidences associated with electric stoves and other heating devices. It...
Open access
Research Article10.9734/jerr/2019/v4i316902
The design, fabrication and performance evaluation of a fish feed pelletizing machine for low income farmers was carried out with the view to encourage local technology, as most of the fish feed pelletizing machines available are imported. The fish feed pelletizer is powered by a...
Open access
Research Article10.9734/jerr/2019/v4i316901