ABSTRACT The powder mixing/blending process plays an important role in powder metallurgy because the uniformity of the powder mixture greatly affects the quality of the resulting product. The aim of this final project is to make a metal powder mixer that can be used for powder metallurgy processes. Mixing speed on this machine is controlled using a 12V 110 rpm DC motor. The working principle o…
ABSTRACT The process of filtering soybean pulp to separate tofu water and dregs in the tofu-making home industry is still carried out in a traditional and less efficient way. Though this process affects the taste, quality and quantity of tofu produced. Need to apply simple technology in the screening process. Centrifugal filtering can be applied to separate soybean pulp and dregs using the cen…
ABSTRACT The process of filtering soybean pulp to separate tofu water and dregs in the tofu-making home industry is still carried out in a traditional and less efficient way. Though this process affects the taste, quality and quantity of tofu produced. Need to apply simple technology in the screening process. Centrifugal filtering can be applied to separate soybean pulp and dregs using the cen…
ABSTRACT A DC-AC converter (inverter) is one of the electronic devices used to convert DC voltage (direct current) to AC voltage (alternating current). The output of the DC-AC converter can be an AC voltage with sine wave, square wave, and quasi-square wave forms. The DC-AC converter really functions as a backup power provider, providing emergency power when the power goes out. In addition, in…
ABSTRACT This research aimed to get the best fermentation time for the quality of bioethanol produced from the api-api mangrove. This research was conducted by using experiment of completely randomized design (CRD) and consisting of five treatments with variations in the length of fermentation (4, 5, 6, 7, and 8 days) and three replications to obtain 15 units of the research experiment. The pa…
ABSTRACT This study aim was to get the best concentration of white turmeric extract in making edible film of sago starch as lempok durian packaging. This research method used an experimental method, using a completely randomized design (CRD) which consisted of four treatments and four replications to obtain 16 experimental units. The treatments in this study were P1 = without the addition …
ABSTRACT Tesso Nilo National Park (TNTN) is one of the national parks in the province of Riau. TNNP is also one of the national parks which has great potential such as protected animals both Sumatran Elephants, Sumatran Tigers, HHK and NTFPs. The existence of the forest is very important for the survival of the people living around the forest as well as the animals living in it. The diversity…
ABSTRACT Mangroves are an ecosystem that exist on the coast. Unfortunately this ecosystem which has a very important role has suffered damages as a result of human disturbance. Therefore an alternative strategy is needed to ensure utilization of mangroves by humans are sustainable, including through ecotourism based management. Many factors can affect the success of mangrove ecotourism. This s…
ABSTRACT The extensification of oil palm that occurs every year causes the suitable land area for oil palm growth to dwindle, thus encouraging farmers to extend land on sub-optimal land, one of which is Dystrudepts land. Dystrudepts has many problems, especially on the physical properties. This study aims to evaluate the effect of applying oil palm empty fruit bunch (OPEFB) compost and its com…
ABSTRACT The purpose of this study was to determine the effect of goat dung compost fertilizer on Lokananta shallot varieties and Bima Brebes shallot varieties and to obtain the best dose of goat dung compost fertilizer for the growth and production of both varieties. This research was carried out at UPT Experimental Gardens, Faculty of Agriculture, University of Riau, from February 2021 to Apr…
This study aims to develop teaching materials for multimedia-based interactive modules (BAMI-BM) on the dynamics of human interaction for class VII SMP. The type of research used is research and development (Research and Development) using the ADDIE model. Data were obtained based on validation questionnaires from teaching material experts and material experts, as well as user response que…
This study aims to determine whether the project-based learning model is effective in improving social skills and student learning outcomes. The method used was a quasi-experimental (Quasi-Experiment) with a nonequivalent control group design. The population in this study were all 40 students of class IX, while the sampling technique used in this study was saturated sampling. The results s…
This research is motivated by the problems that occur in history learning which is considered monotonous and the lack of student participation in the learning process. In addition, teachers also often use conventional models such as lectures, do not use variations in learning, so that the results of learning history do not increase. The purpose of this study was to determine student learning ou…
ABSTRACT CRITICAL DISCOURSE ANALYSIS OF THE COVID-19 VACCINATION CAMPAIGN IN ONLINE COMIC #DUKUNGVAKSINITUKEREN ON INSTAGRAM Author: Salsabila Advisor: Dr.Tantri Puspita Yazid, S.I.Kom, MA Problems in handling COVID-19 vaccinations related to receiving and unclear information in the community are a serious matter as well as the reason for the vaccination campaign with a comic strip competitio…
ABSTRACT The informal sector is a business that has a small scale with the aim of getting a job or job vacancy in order to earn income and not under the auspices of the government. This study serves to describe the survival strategy of the ice cane seller in the village of Bukit Pedusunan, Kuantan Mudik District, Kuantan Singingi Regency, where the ice cane seller uses his family members to he…
ABSTRACT Corona viruses (CoV) are part of a family of viruses that cause illness ranging from the flu to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). The disease caused by the corona virus, also known as COVID-19. Many research have been done to build a clustering system especially on health department, in particular…
ABSTRACT Mangroves is one important ecosystems for coastal areas, in Pangkalan Sesai Dumai Village. Excessive use by the community or disturbances caused by nature factors can threaten the existence of mangrove forests. This study aimed to analyze the structure mangrove community and the level of vulnerability to mangrove degradation in the Ecotourism area of Bandar Bakau Dumai. This research …
the use of a learning model consisting of an arrangement of learning activities aimed at helping students to build their understanding of concepts. One model that can be done is Conceptual Understanding Procedures (CUPs). The type of research that will be used in this study is Quasi Experimental with the Posttest Only Control Group Design research design, namely using one experimental class and…
This study aims to determine the relationship between assertive behavior and social adjustment of class X students of SMAN 2 Tebing Tinggi. This research is a descriptive quantitative correlational research. The sample in this study amounted to 142 students obtained through random sampling technique. Data collection techniques in this study were carried out using an assertive behavior scale and…
This research is background by the low capability of students mathematic communication. One of the causes of them is the students are still shy and afraid to express their own opinion, they are not accustomed to having contextual questions, rarely to illustrate story questions into pictures questions or vice versa, careless in counting and seldom summarize what they have already found in their …