Shading on PV refers to the shadows cast by objects around the Faculty of Engineering building at the university, which will affect the rooftop PV installation. The research was conducted at the Faculty of Engineering Building at Riau University, using research methods that included measuring solar radiation, analyzing weather data, measuring tree heights, and simulating system performa…
Chalcone or 1,3-diphenyl-2-propenone is a secondary metabolite compound of the open-chain flavonoid group with a ,β-unsaturated carbonyl framework structure which has various bioactivities, including anti-breast cancer. The morpholino- chalcone hybrid compound (E)-3-(2-methoxyphenyl)-1-(2-(2-morpholinoethoxy) naphthalene-1-yl)prop-2-en-1-one is named as 2OMP-2MOF-CLN (22) has been successfu…
This study aims to test and analyze the effect of Profitability, company size, and Solvency on the Timeliness of Financial Report Submission with KAP Reputation as a Moderator. In non-primary consumer goods sector companies listed on the Indonesia Stock Exchange during the 2020-2022 period. The population in this study includes all non-primary consumer goods companies listed on the Indonesia St…
Network Security Systems are a critical aspect in maintaining the integrity and confidentiality of data, especially in government agencies or private companies. In this case, agencies or companies that depend on the internet to carry out their daily work are not immune from being vulnerable to Denial of Service (DOS) attacks. To prevent attacks, an agency or company needs to implement a securit…
Hydrogen sulfide (H2S) and ammonia (NH3) are hazardous gases commonly found in waste management facilities. This study aims to analyzethe environmental health risks associated with H2S and NH3 emissions from the Solid Waste Management Facility of Arengka Morning Market in Pekanbaru City. Data collection included waste characteristics, meteorological conditions, and H2S and NH3 concentrations. T…
Since the development of the internet, its use has become a means of activity for its users to carry out various activities, one of the most visible examples is business activities carried out online where it contributes to efficiency, fast, easy, and practical. Juridically, the agreement gives the widest freedom to the community to enter into agreements containing anything as long as it does n…
This research aims to examine the influence of Corporate Social Responsibility on Tax Avoidance, the influence of Independent Commissioners on Tax Avoidance, the influence of the Audit Committee on Tax Avoidance, the influence of Managerial Ownership on Tax Avoidance and the influence of Institutional Ownership on Tax Avoidance. The population in this study are all Multinational Companies in th…
Songs are one of the media to convey messages through lyrics and video clips that contain meaning in them. The meaning in songs is always used by songwriters and musicians in voicing or conveying certain messages. In the community, the issue of bullying, acts of violence, and even the phenomenon of suicide is increasingly prevalent. However, the songs in the album "Evolve" by Imagine Dragons of…
This final project discusses a new sixth-order iterative method free from second derivative to solve a nonlinear equation. The method is obtained by Taylor’s expansion, then the second derivative that appears in the formula is appro- ximated using a cubic polynomial with Hermite orthogonal polynomial basis. Analytically using the Taylor’s expansion and geometric series that iterative method…
Martial arts is an art that is in great demand from all walks of life and currently there are at least five types of martial arts in Rengat. The development of martial arts sports in Rengat is increasing every year, marked by the departure of athletes to championships at both national and international levels. However, the increase in the development of this sport has not been accompanied by an…
Every citizen has the right to have a name as a sign of their identity and citizenship status. This right is acknowledged through official documents such as birth certificates in the civil registration system. In order to fulfill the obligations of the local government at the district/city level, the Population and Civil Registration Office of Kota Payakumbuh has established 2 (two) innovations…
This research has been carried out in July 2023 in Muara Sungai Dumai, Dumai City, Riau Province. This study aims to conduct depth mapping analysis using echosounder based on reference corrections to tides. Tidal analysis is performed to determine reference values such as MSL (Mean Sea level) and tidal characteristics. The methods used are survey methods and quantitative analysis. The results s…
Learning at school is an interaction that occurs between teachers and students. Interaction occurs when the delivery of information by the teacher can be well received by students with appropriate teaching methods and models. Kansai Vocational School Pekanbaru physical education learning has been carried out comfortably and creatively in accordance with the independent learning curriculum. In f…
This study aims to examine the effect of corporate culture on the financial reporting quality. The population in this study are real estate, properties, and building construction companies listed on the Indonesia Stock Exchange through 2019-2022. The sampling technique in this study used purposive sampling technique and obtained a sample of 51 companies. All hypotheses in this study is examine …
This research was conducted at the Grand Elite Hotel Pekanbaru regarding the influence of organizational culture and career development on employee performance. This research aims to determine the influence of organizational culture and career development on employee performance at the Grand Elite Hotel Pekanbaru.This research involved 52 respondents from 107 populations who were calculated usi…
In managing the suitability testing of goods cars, the Pekanbaru City Transportation Service has the authority to supervise the suitability of each mandatory test vehicle operated in Pekanbaru City which is carried out by the Motor Vehicle Testing UPTD by carrying out control operations or raids on goods cars. Because apart from providing contributions that are paid to the regional treasury eve…
Microplastics defined as solid synthetic polymers that have a microscopic size, which is between 0,001-5 mm. Microplastics are one of the most alarming pollutants today, because through the process of biomagnification microplastics can lead to the accumulation of toxic substances in aquatic ecosystems. This study aims to analyze microplastics abundance, types, and polymer compositions in water …
Indonesia conducts international trade to fulfill its national need for a commodity, ssnamely tobacco. Tobacco is a seasonal plantation commodity that is usually used for cigarette making and Indonesia, with the highest cigarette consumption, needs tobacco as well. Although Indonesia cultivates and produces tobacco, it cannot meet the high national demand. Therefore, Indonesia imports tobacco f…
The use of technology in various aspects can now be felt by the community to the service system that wants to take advantage of technology. At the Rizki Jaya Auto Service workshop, service providers will be busy managing service activities that require maximum service in dealing with customers so they don't get lost, so there are no complaints and customer complaints. The research used in this …
The Waduk Buatan built by the government in the 80s is a reservoir for the Ambang and Merbau watersheds located in Lembah Sari Village, Rumbai Pesisir District, Pekanbaru City, which was initially used as a source of irrigation water for the surrounding area's rice fields, which was later converted into a PDAM raw water source. The basic contour of The Waduk Buatan is needed to determine the ma…