Changes in the environment such as customers’ preferences and choices has put the companies on toes with each firm fighting for its survival and all is based on strategies choice and their implementation. Thus, Nigerian construction companies have to adopt and apply appropriate s...
Open access
Research Article10.9734/jerr/2020/v14i417132
Aims: To identify the heat energy, timing along with other cooking parameters required for cooking rice, beans, okra and yam using the gas, electric and automated cooker respectively. Study Design: The studied automated cooking system was digitally calibrated to ensure the best o...
Open access
Research Article10.9734/jerr/2020/v14i417130
This paper focused on the integration of metallized silicon die in design layout of quad-flat no-leads package (QFN) and ball grid array (BGA) devices. The metallized silicon die is fabricated with a conductive top layer where the junction for wire interconnection is created. The...
Open access
Research Article10.9734/jerr/2020/v14i417131
The continuing growth and development on semiconductor package miniaturization have become a particular interest and focus semiconductor industry. The importance of thinner packages also demands a thinner vertical structure of the integrated circuit (IC) design with silicon die o...
Open access
Research Article10.9734/jerr/2020/v14i417129
This research work on material selection for subsea pipeline construction was carried out to analyze and recommend suitable material option that satisfies DNV-OS-F101 standard for subsea pipeline constructions which will not succumb to extreme conditions and performs well in unpr...
Open access
Research Article10.9734/jerr/2020/v14i317128
With the new die technology becomes smaller and thinner, silicon die circuit metallization also becomes smaller, thus electronic devices like quad-flat no-leads multi-row (QFN-mr) semiconductor leadframe package design become more sensitive and prone to electrostatic discharge (E...
Open access
Research Article10.9734/jerr/2020/v14i317126
An electrically operated paint-mixing machine was developed. The machine consisted of a mixing drum with a capacity of 30.6 L. The test was carried out by mixing 25%, 50%, and 75% of the total mixing capacity of the machine, and the time taken for the constituents to be thoroughl...
Open access
Research Article10.9734/jerr/2020/v14i317125
This paper presents an advanced design of Quad-Flat No-leads (QFN) and Quad-Flat Package (QFP) leadframe to mitigate the propagation of delamination between high stress level areas particularly the mold-to-leads interface. The integration of through-hole mechanism on leadframe pr...
Open access
Research Article10.9734/jerr/2020/v14i317124
The study carried out simulation of the Crude Distillation Unit (CDU) of the New Port Harcourt Refinery (NPHR) and performed exergy analysis of the Refinery. The Crude Distillation Unit (CDU) of the New Port Harcourt refinery was simulated using HYSYS (2006.5). The Atmospheric Di...
Open access
Research Article10.9734/jerr/2020/v14i317123
The research evaluates the drivers toward positioning Nigerian construction industry for global competitiveness in the 21st century. Being a survey research, questionnaires containing information relating to issues and drivers on global competitiveness were administered to select...
Open access
Research Article10.9734/jerr/2020/v14i217120
The paper presents a practical procedure in selecting the best candidate for die attach epoxy control or anti-epoxy bleed-out (anti-EBO) concentration during the introduction of new leadframe configuration. Three different criteria were implemented to measure the relative impact...
Open access
Research Article10.9734/jerr/2020/v14i217121
Iranian native architects created many innovations at different levels of altitude in the past, using various sources and natural clean energies in order to create natural adaptation in different climate climates. Garden Pit and Shawadan are among examples. These underground elem...
Open access
Research Article10.9734/jerr/2020/v14i217122
The paper focused on the evaluation of quad-flat no-leads (QFN) semiconductor package with small silicon die on different machine platforms to achieve a higher bond line thickness (BLT) of greater than 30 µm. The characterization or evaluation was narrowed down into two main dieb...
Open access
Research Article10.9734/jerr/2020/v14i217119
Every All-Terrain vehicle right now uses independent suspension system which consists of double wishbones connected to all the tires. As All-Terrain vehicles generally operated on different road conditions it is an absolute necessity to have a robust design of wish bones. A good...
Open access
Research Article10.9734/jerr/2020/v14i217118
This paper represents an attempt to study mining methods and development in the area of underground mining in Sukari gold mine. Detailed mining and rock mechanics data had been collected from Sukari gold mine to select the appropriate mining method for underground area. Undergrou...
Open access
Research Article10.9734/jerr/2020/v14i117117