A kinetics study of in situ transesterification of solid coconut waste was conducted at temperature (55-65°C). The mixing is kept constant at 350 rpm. The maximum conversion of 38.3% was obtained at 60°C, 1:10 solid to methanol ratio and 5 wt. % of catalyst. The conversion of solid coconut waste to methyl esters was analyzed as functions temperat

Islamic banks are one of the financial industries affected by the Covid-19 pandemic. The inability to pay their obligations to Islamic banks and deposit withdrawals directly impacts the decline in customer business. This condition increases the risk of Islamic banks so that the ability of Islamic banks is needed to maintain customer loyalty. This s

Apart from being the primary source of food to other living things, plants also have medicinal value to treat various kinds of diseases. In recent years, it has been proposed that the extract from plants may be used as natural antioxidants which can help to prevent the generation of carcinogens in human body. In addition, plants also have antimicro

Fused deposition modeling (FDM) is one of the Rapid Prototyping (RP) technologies. The 3D Printer has been widely used in the fabrication of 3D products. One of the main issues has been to obtain a high quality for the finished parts. The present study focuses on the effect of nozzle diameter in terms of pressure drop, geometrical error as well as

Introduction: Inflammatory and degenerative conditions that affect the muscles, ligaments, joints and peripheral nerves are known as musculoskeletal disorders (MSDs). Dental personnel have an increased risk of developing musculoskeletal disorders because of long working duration and involvement of repetitive movement. This study aimed to determine

The present invention relates generally to a 3D printer extruder for domestic usage. There is a known 3D printer extruder comprising of liquefier, nozzle and insulator for printing three dimensional product. However, the extruder is not specifically design for polylactic acid (PLA) material, thus producing instability and inaccurate of10 extrusion

This article is a preliminary study on Indonesians’ perceptions on the decline of the Ottoman Caliphate, and the rise of the Turkish Republic based on the highlights in vernacular press printed in Java and Sumatra. By scrutinizing textual discourse on the Caliphate and the Turkish Republic, this paper examined Indonesians’ views delivered in ne

This article discusses the contributions of the Abbasid caliphs to the architectural development of the Prophet’s Mosque in Madinah. Those contributions began almost as early as the Abbasid caliphal government had officially emerged as the successor to the Umayyads, and ended with a major rebuilding and renovation work in 887 AH/1482 CE, about 35

The primary purpose of this research is to investigate the effectiveness of rib as a passive control to control the flow development around the circular duct at different levels of expansion using Computational Fluid Dynamics (CFD). The nozzle pressure ratio (NPR), rib size, and rib orientation were considered in this research. The L/D ratio is 3 t

Requirement engineering (RE) helps to effectively define users’ needs and produce quality set of requirements. Nonetheless, RE efforts consume a lot of resources due to many contributing and challenging factors. Requirement reuse using pattern can help to reduce the RE resources. This work investigates requirements reuse using pattern by applying