The East Kalimantan region of Indonesia has a large ex-coal mining area, even though this area has the potential to be used as productive land. The research aims to develop an optimization model for coal mining land to be used as a planting medium by first examining the factors that influence plant growth and productivity so that this optimization model can function well. Furthermore, the hypothetical model was developed based on theoretical and empirical studies which were tested using GSCA. Empirical data collection was carried out using a Randomized Completely Block Design with 10 replicati
The physico-chemical properties of Thai Jasmine rice (ThR), Federal Agriculture Research Oryza (FARO) 44 or F44 and FARO 46 or F46 flours and the quality attributes of noodles prepared using their blends with yellow corn (C) were studied. There was significant difference in the amylose content (AC) and solubility (S) of ThR, F44, and F46; but no significant difference in the crude protein content of F44 and F46, fat content of the three rice varieties, and swelling power and volume of ThR and F44 flours. There was significant difference in the stickiness of C:ThR, C:F44, and C:F46 blended flou
Rising energy, demand leads to increased oil and gas production. Pipelines are the safest and most efficient transportation mode used in the hydrocarbon industry. Often buried in ground or submerged in seabed, corrosion is one of the most important failure modes of buried pipes. Metal Loss due to corrosion represents a serious threat of pipelines integrity. It is therefore, very important to maintain their residual resistance so as to not penalize production, distribution and prevent catastrophic accidents. Semi-empirical models are still widely used by big companies to assess the residual str
In medicinal chemistry, employing privileged scaffolds gives researchers a jump start in searching for novel and improved therapeutic agents. The imidazole ring, which has a variety of derivatives that have shown a broad range of biological functions, is one such scaffold. New imidazole (4a-4e) derivatives were synthesized under reflux conditions or ultrasonic irradiation, and identified via melting point, FTIR, 1H NMR, 13C NMR, and mass spectroscopy. The ultrasonic-assisted reactions were compared with the reactions that proceeded under traditional heating conditions comparing the ultrasonic
This study examines the effect of academic satisfaction, student engagement and organizational commitment on academic performance and investigates the mediating role of student engagement and organizational commitment. This study used a correlational design. The research population was metalwork technology students in South-East Nigeria. The research participants were 181 mechanical technology education students and 74 mechanical technology education lecturers from universities in South-East Nigeria. Data were collected by applying a questionnaire. The hypothesis were answered with regression