ABSTRACT Basically, people still use cooking oil repeatedly and the draining of cooking oil is not optimal. So that many people consume processed foods from frying that still contain or leave oil in the food. The purpose of this study was to analyze the Spinner model using the Analytical Hierarchy Process (AHP) method. AHP makes broad and unstructured problems into a flexible and easy-to-under…
ABSTRACT Friction welding is a method of joining materials caused by friction between two materials which utilizes the heat of friction between the two materials, the same or different. This study aims to determine the effect of rotational speed on dissimilar materials on the weld area and hardness values. There are various methods to overcome problems in the process of joining the material, i…
ABSTRACT One of the materials that is widely used in industrial products is mild steel AISI 1037, but the connection of mild steel has problems using the liquid welding method, so the friction welding method is used. The friction welding used is vertical bar-plate Rotary friction welding, which is the design of Utamar, F. and Siswanto (2014), when testing all specimens, the parameter variation…
ABSTRACT In the industrial world, the use of network pipes is one element that plays an important role, namely as a production chain. Failures that usually occur in steel pipe structures that are buried in the ground or in the sea usually occur due to corrosion attacks, pressure forces from outside. Plastic pipes as a product have been widely used and used for a long time. This study aims …
ABSTRACT The Election Supervisory Body (Bawaslu) of Dumai City is an election supervisory institution based on the law that has authority in supervising regional elections. One of them is also related to supervision of violations of the regional head election stages (Pilkada) in Dumai City. There are reports and findings of violations committed by Pilkada participants, Pilkada organizers, and …
Abstract Introduction: Adolescents are one of the groups who are vulnerable to mental health problems. Knowledge about mental health needs to be possessed by adolescents to maintain their mental status. This research aimed at determining the relationship between the mental health knowledge and demographic characteristics towards the mental status of adolescents. Methodology: This research used…
CTL-Based Physics Module on Newton’s Law Matterial thas has been developed as a solution to problems found through interview observations, namely learnin that is still mostly teacher-centerde and the use of modules in learning in high school is still rare. This study aims to determine the validity of the CTL-based module on Newton’s Law material and its effect on increasing student’s…
The development of Information and Communication Technology (ICT) has encouraged progress in the field of education. Progress in the field of education is one of them in the form of electronic learning media that can help students in the learning process online or through e-learning. E-learning learning media are used as teaching aids or supporting facilities in carrying out the learning pr…
Educators must be able to create learning tools that are able to bring out the potential and abilities of students, improve the abilities they already have so that they are able to create and interpret an understanding in their own way. This study aims to produce a learning tool consisting of a syllabus, lesson plans and worksheets with the application of the discovery learning model to facilit…
The purpose of this study is to analyze the occurrence of fraud in the government. This study analyzes the effect of compensation, experience, integrity, internal control, organizational commitment, and leadership in dealing with fraud in government. The population in this study is the State Civil Apparatus (ASN) in the Riau Provincial Government. The sampling method used is proportional s…
The development of the Rumbai Pesisir Sub-district is growing rapidly, but the problem of flooding is still there from year to year, flood even occur at some new locations or higher intensity in several locations. Floods have many negative impacts and even cause casualties. Several factors that cause flooding in the District of Rumbai Pesisir are regional developments, problematic drainage …
Biogas is a flammable gas produced from the fermentation process of organic materials by anaerobic bacteria, and is decomposed by reduction (gas production process) into CO2, CH4, ammonia and H2S. Hydrogen Sulfide or H2S is a gas that is toxic and dangerous, especially for human health. The biogas processing process produces several gases, one of which is H2S gas which is not utilized so t…
This correlation study aims to determine the effect of parents’ work on the role of parents in assisting children to study at home during the covid-19 pandemic. The research method used is the correlational method. The population and sample in this study were parents of children aged 5-6 years at the FKIP UNRI Fostered Labor kindergarten, totaling 30 people. Data collection techniques using a…
This descriptive study aims to determine the analysis of social behavior of children aged 5-6 years during online learning at Waldha Al-Islamy Kindergarten, Pekanbaru City. The sample in this study were children aged 5-6 years at Waldha Al-Islamy Kindergarten, Pekanbaru City, amounting to 25 people. Data collection techniques using observation sheets. Based on the results of data processing, it…
This study aims to determine the factors that influence the responsible character of children aged 5-6 years in Taqwa Al-Hidayah Danto Kindergarten during the new normal period. The type of research used is descriptive using quantitative methods. The steps taken are: making a statement in the form of a questionnaire, testing the validity of the questionnaire instrument, conducting a reliability…
This research is motivated by the need to increase emotional intelligence (EQ) of children at the age of 5-6 years through the storytelling method using the Pop Up Book media. The storytelling method is one of the techniques or ways to advise people and is easily understood by children or adults. A pop-up book is a book that displays three-dimensional or raised shapes so that children's interes…
ABSTRACK Polyethylene is a product that is widely used and used for a long time. One type, namely HDPE (High Density Polyethylene) is formed into a composite material, by adding reinforcement in the form of short fiberglass and long fiberglass. The composites were subjected to an Impact test to determine the impact strength and to analyze the impact strength and the influence of fiberglass on …
ABSTRACT One of the wastes produced by palm oil mills is liquid waste in the form of palm oil mill effluent (POME). Before being drained, waste needs to be treated so as not to pollute the environment. There are many POME processing methods, one of which is often used, namely the electrocoagulation method. The research was conducted at the Chemical Engineering Laboratory to process POME by the…
ABCTRACT Future deforestation and forest degradation are at high risk, especially in tropical countries. One of the efforts to maintain water balance in peatlands that is being promoted by the Government is the creation of canal partitions to prevent water from flowing rapidly downstream. This research made Cellular Lightweight Concrete (CLC) as a canal bulkhead which is a lightweight brick wh…
ABSTRACT Dimethyl carbonate (DMC) is a compound that has a versatile reactivity. DMC is widely used in transformation chemical reactions such as methylation, carbonylation and methoxycarbonylation. Dimethyl carbonate is also an alternative additive that is considered capable of replacing conventional additives because DMC is more environmentally friendly than other additives. Formation of dime…