Extracting asphalt binders (ABs) from mixes including recycled asphalt shingles and/or reclaimed asphalt pavement (RAP) needs more investigation. The most popular way for extracting ABs from mixes is centrifuge extraction. The fine materials (dust) extracted with the effluent wer...
Open access
Research Article10.9734/jerr/2021/v21i1117500
The electrical conductivity of a semiconductor material is between that of a conductor, such as metallic copper, and that of an insulator, such as glass. Its resistivity decreases as the temperature rises, whereas metals have the reverse effect. By adding impurities ("doping") in...
Open access
Research Article10.9734/jerr/2021/v21i1117501
One of the most important weld quality characteristics related to the strength of the weld is the hardness of melted zone (HMZ) that is affected by different input parameters in the submerged arc welding process. In recent years, expensive nanomaterials have been effectively used...
Open access
Research Article10.9734/jerr/2021/v21i1117504
Inclined multi-layered barriers can be used to protect underlying waste storage facilities. The intended barriers can be used to confine the infiltration through implementation of the capillary barrier effect. In this study, the effect of rainfall, evaporation, and transpiration...
Open access
Research Article10.9734/jerr/2021/v21i1017498
Aim: Polymer flooding is a promising chemical enhanced oil recovery. Originally it was thought that polymer flooding was not economical. The polymer flooding in Daqing field China has proved otherwise. After that, it was thought that polymer flooding could only be successful in l...
Open access
Research Article10.9734/jerr/2021/v21i1017497
This research work involved performance evaluation of back pack weeder in four representative cassava planted farms in Busia County. The main objective of the research study was to test the performance of the mechanical back pack weeder in cassava crop and comparing it with manua...
Open access
Research Article10.9734/jerr/2021/v21i1017496
The flexible joint robot is gaining more popularity in research and development because of its light weight and numerous applications. The major problems of the flexible joint robotic manipulator are poor tracking performance and instability. This work aims at improving the track...
Open access
Research Article10.9734/jerr/2021/v21i1017494
An oven is a heated enclosure for heating, baking or drying. An electric oven is a heating device used to heat materials to high temperature when electric current is passed through a high resistance heating element (coil or plate), while the gas ovens uses gas through the cast ir...
Open access
Research Article10.9734/jerr/2021/v21i1017495
An optical waveguide is a structure guiding the wave of light, limiting it to travel through the given and specific path. If the size of transverse dimensions is bigger than the guided light wavelength, then total internal reflection (TIR) and geometrical optics can be used to ex...
Open access
Research Article10.9734/jerr/2021/v21i917493
Evaporative coolers are technologies highly used as a source of thermal comfort in terms of fresh air provider in areas where weather conditions are harsh and people living standard goes from medium to low earnings. This technology being environmentally friendly still requires a...
Open access
Research Article10.9734/jerr/2021/v21i917491