Fiber optic sensors based on Fiber Bragg Grating (FBG), which are small in size, resistant to electromagnetic interference, and can work with non-obtrusive materials, are a good alternative for monitoring human heart rate. The conventional method for monitoring heart rate in a Magnetic Resonance Imaging (MRI) environment, the electrocardiogram faces the problem of magnetohydrodynamic interferen…
Rhamnaceae is a very useful medicinal plant. The member of the Rhamnaceae Family, namely Ziziphus spp. (bidara). Benefits of bidara for the community, namely: as a medicine for diarrhea, malaria, fever medicine, stomach pain medicine, for antidote to jinn and can also be used as an ingredient for making cosmetics. Many people do not know about the species of bidara plants, so it is necessary to…
Laccase is an enzyme belonging to the multicopper oxidase group, capable of catalyzing various substrates, including phenolic and non-phenolic compounds. Laccase is considered as an ideal "green catalyst" due to its catalytic capabilities, making it widely used in industrial processes. The most commonly applied laccases in biotechnology are mostly derived from fungi. White-rot fungi from the Ba…
Indonesia possesses significant potential in iron sand resources; however, the lack of domestic iron sand processing technology has resulted in dependence on foreign technologies. A comprehensive study on the potential of magnetic minerals to determine the quality of iron sand's magnetic minerals involves measuring magnetic susceptibility. This research aims to design and develop a magnetic sus…
Mango (Mangifera spp.) is a seasonal fruit with the largest fruit production and has high genetic diversity in Indonesia. Wild mangoes have economic value and great potential to produce high levels of antioxidants. Riau is known as one of the provinces that produces an abundant diversity of wild mangoes. The aim of this study was to determine the response characteristics of antidiabetic propert…
Pekanbaru City faces challenges in empowering the community's economy which involves the active involvement of various stakeholders. Even though there is potential for collaboration, the implementation of community economic empowerment programs, especially the UEK-SP program, is still not optimal. The main obstacles include unclear program information, lack of community participation in the for…
A time series is a set of observations taken at regular intervals over a period of time, which can be used to analyze data over time. The results of the analysis on the time series data are used for the basis of forecasting. This study applies Trigonometric, Box-Cox Transformations, ARMA errors, Trend, and Seasonal Components (TBATS) forecasting models to forecast coal use in power plants from …
Information systems can be defined as a combination of various integrated information technology elements that work harmoniously to collect, process, store, and distribute information. The information produced by these systems supports communication, decision-making, and coordination within an organization or group. This research aims to understand the implementation process of topic modeling u…
BAPPEDALITBANG Riau Province is a government organization responsible for development planning, research and development in Riau Province. However, currently not all BAPPEDALITBANG business processes are supported optimally by the use of IS/IT so that organizational performance is not running effectively and efficiently. This research aims to formulate an IS/IT planning strategy in BAPPEDALITBA…
Rumah Sakit Daerah Madani Kota Pekanbaru has a vision, mission, goals and strategic plans which aim to improve information technology in terms of services, and management of data and information processes. However, the Rumah Sakit Daerah Madani Kota Pekanbaru has problems regarding the implementation of information technology governance, namely that the service facilities and infrastructure are…
Inefficiency in assigning preachers for Islamic preaching activities often occurs due to the placement of preachers at locations that are too far apart, leading to delays and logistical challenges. In Kampar Regency, diverse geographical conditions exacerbate this issue, resulting in suboptimal preacher placements. This study aims to optimize preacher assignments by considering geographical dis…
Abstract : This study aims to enhance the learning process and improve students' Mathematical Reasoning Skills (MRS) through the implementation of the Problem-Based Learning (PBL) model. The initial MRS test results for Class X-3 at SMAN 6 Pekanbaru were relatively low, with an average score of 46.07%. This was attributed to students' unfamiliarity with reasoning-based questions, insufficient u…
Abstract - The limitations of learning tools that are relevant to social issues and science and require students to be active in solving everyday problems that are relevant to chemistry material. By providing SSI-based LKPD as an alternative that is expected to help students connect lessons related to everyday life in society. This study aims to produce SSI-based LKPD on the subject of green ch…
Abstract: The research aims to produce CORE-based E-LKPDs on the subject of hydrocarbons that are valid and feasible to use. The research includes validation and limited trials. This study used a Research and Development (R&D) development research design with the 4-D model (Define, Design, Develop, Disseminate) modified 3-D (Define, Design, Develop). The results of validation by material va…
The aim of this research is to develop an E-Student Worksheet based on Phenomenon-Based Learning on Reaction Rate Material Using the Wizer.me website for Class XI Highschool/MA. The development of this E-Student worksheet was carried out because teachers have not used digital learning media and used the Phenomenon-based Learning model in their learning, especially in reaction rate materials. Th…
The design of the Methyl Tertiary-Butyl Ether (MTBE) plant with a production capacity of 60,000 tons per year in Bontang, East Kalimantan, aims to meet domestic and international needs for environmentally friendly fuels. The location chosen is strategic because it is close to raw material sources, has adequate infrastructure, and has good accessibility to export markets. This project also focus…
Watersheds experience problems such as uncontrolled flooding in the rainy season, drought in the dry season, and declining water quality. The emergence of these problems requires watershed management efforts. In general, hydrological analysis methods can be done with probabilistic analysis, if there is a minimum of 10 years of discharge records on the river under review. However, this method is…
Meteorological drought is a type of drought caused by low precipitation, measured based on the level of dryness relative to normal or average conditions, as well as the duration of the dry period. This study aims to analyze the meteorological drought index on peatland in Pelalawan Regency using the Google Earth Engine (GEE) platform and utilizing satellite precipitation data. One of the sources…
Riau Andalan Kertas (RAK) is one of the business units of PT. Riau Andalan Pulp and Paper which functions to produce paper in the form of customer rolls, cut sizes and folios. RAK has several departments, one of which is the finishing department, which consists of converting 1 and converting 2. The purpose of this study is to identify and analyze factors that contribute greatly to the folio mac…
Plastic has properties that are non-biodegradable or cannot be broken down by decomposing organisms in nature, so plastic requires a very long process to decompose by itself. One method of processing plastic waste is pyrolysis. Pyrolysis is a degradation process of thermal biomass by heat in the absence of oxygen. This research was carried out with the aim of knowing the results of plastic pyro…