ABSTRACT The determination of a suspect is part of coercive measures and is almost equivalent to the determination of a person as a convict. Therefore, the determination of a suspect must be carried out carefully and based on valid evidence, as stipulated in Article 184 of the Indonesian Criminal Procedure Code (KUHAP). The phrase "valid evidence" in KUHAP carries two important meanings. First…
Physics studies the relationship between physics concepts and the development of science and technology, along with its application in everyday life. Therefore, physics lessons are very important to be taught in schools. The implementation of physics learning can be said to be effective if students are able to obtain final results in accordance with learning objectives, but in reality not all s…
Plastic debris discharged into the water causes an increasingly complicated problem, as these debris do not simply disappear, but can be fragmented into smaller parts or particles. Some size categories of plastic waste include megaplastics, macroplastics, mesoplastics, microplastics and nanoplastics. This research is a descriptive study conducted at the Biology Education Laboratory, Riau Unive…
This research aims to determine the effect of implementing the Problem Based Learning Model assisted by Power Point Interactive Media in improving students' critical thinking abilities in economics subjects. The background to this research is that when the researcher made observations on class X students at SMA N 2 Tualang and shared with the collaborating class X teacher at SMA N 2 Tualang. ob…
Penelitian ini bertujuan untuk mengembangkan e-modul menggunakan web google sites pada materi kesetimbangan kimia untuk kelas XI SMA/MA Sederajat. Jenis penelitian yang digunakan yaitu penelitian pengembangan (Reseacrh and Development) dengan model pengembangan 4-D. Instrumen pengumpulan data berupa lembar validasi yang diberikan kepada 3 orang validator yang terdiri dari 2 orang validator ahli…
One of the current technological developments that is very rapid in society is motorcycles. The increase in the number of motorcycle transportation causes the use of lubricating oil to increase, because in general, every certain distance or range of 3,000 to 5,000 kilometers of lubricating oil must be immediately replaced with a new oil of 1 liter. Each replacement will certainly produc…
Yellow crackers are one of the specialty foods of Kampar Regency that are cultivated by the community to increase income. The research aims to: 1) Know and describe the business profile of Nur Aini yellow cracker agro-industry 2) Analyze the business of Nur Aini yellow cracker agro-industry 3) Formulate the right development strategy for Nur Aini yellow cracker agro-industry. The method used in…
Helixanthera sp. is a parasitic plant from the Lorantaceae family which is often considered a parasitic plant and has no benefits by society. Therefore, this research was carried out to isolate and catalyze secondary metabolite compounds from the ethyl acetate extract of the leaves of the mistletoe rubber tree (Helixanthera sp.) and to test the toxicity of the ethyl acetate extract of the leave…
The welfare of workers at retirement age is an important factor in ensuring fulfillment of needs in old age, especially workers who work for a company or a government agency. Workers must have an early plan that can guarantee future welfare when entering retirement age. Given the economic development and technological advances that will trigger an increase in needs, a worker will certainly not …
PERFORMANCE OF PAMONG PRAJA POLICE UNIT IN CORRECTING STREET TRADERS IN PEKANBARU CITY Ainun Zakiyah, Abdul Sadad Public Administration Study Program, Department of Administrative Science, Faculty of Social and Political Sciences, University of Riau, Pekanbaru ABSTRACT The problem of street vendors in Pekanbaru City that has not been resolved is a dilemma. The presence of street vendors who…
ABSTRACT Xylitol is a sugar alcohol often used as a sugar substitute, raw material for the chemical industry, and used in the health sector. This causes the need for xylitol as a raw material for the pharmaceutical industry, and supporting materials for the food industry to increase. The increasing need for xylitol in Indonesia causes the import rate to also increase. This final project aims t…
ABSTRACT This study aims to determine the effect internal corporate governance strength, and green accounting against disclosure sustainable development, which is moderated corporate social responsibility The population in this study are textile and garment companies listed on the Indonesia Stock Exchange for the 2019-2021 period. The sampling technique in this study uses a techniquepurposive…
Foreign students who study Japanese, especially in Indonesia, tend to experience difficulties in listening and speaking Japanese. Due to difficulties in speaking Japanese, this causes students to feel anxious when they want to speak Japanese, so students don't feel anxious when speaking Japanese, an interesting media is needed so that students feel free to speak Japanese without fear of being b…
The purpose of this study was to increase the knowledge of flood disaster mitigation for children aged 5-6 years. To determine the feasibility of animated video media for children aged 5-6 years based on knowledge of flood disaster mitigation. Research and development of animated video media is carried out in several steps, namely as follows: 1). Analysis, 2). Design, 3). Development, 4). I…
ABSTRACT This study aims to examine and analyze: (1) the effect of tax sanctions and tax incentives on taxpayer compliance, (2) the effect of tax sanctions and tax incentives on taxpayer awareness, (3) the effect of taxpayer awareness on taxpayer compliance, and (4) the effect of tax sanctions and tax incentives on taxpayer compliance through taxpayer awareness as an Intervening Variable. …
This research is motivated by the 2013 Curriculum which requires students to be active in learning so that they are able to build their own knowledge and be able to solve contextual problems that facilitate mathematical problem solving abilities. The purpose of this research is to develop learning tools in the form of syllabus, lesson plans, and LKPD using the Problem Based Learning (PBL) …
Mystus nigriceps fish in the Kampar Kiri River, Mentulik Village, is a fish for public consumption, so it is often fishing that causes a decline in the population of this fish in nature. A study aims to examine the reproductive biology aspects of M. nigriceps fish. Fish samples ware taken once a month from February-July 2021. The parameters measured include long and weight relationships, co…
ABSTRACT Hematite (α-Fe2O3) magnetic nanoparticles doped with manganese (Mn) were used as a catalyst to degrade methylene blue. Hematite magnetic nanoparticles (α-Fe2O3) originate from natural sand in Logas Village, Kuantan Singingi Regency. Natural sand that has been separated using Iron Sand Separator (ISS) is separated again using Neodinyum Iron Boron (NdFeB) magnets and synthesized …
Lung adenocarcinoma are closely associated with genetic changes, one of the most common changes occurring is Epidermal Growth Factor Receptor (EGFR) mutations. Expression of EGFR mutations varies according to different race/ethnics. Riau as one of the Province in Indonesia with ethnic diversity, which may influence the discrepancies of EGFR mutations incidence in lung cancer patients in Ri…
Abstract The catch of the boad chart is divided into two, namely the main catch and the bycatch, the main catch is the catch which is the main target of fishing, while bycatch is catch that is caught and is not the target species, standard operating procedure is a guideline designed to carry out a service activity. Standard operating procedures are needed to avoid messed up communications …