ABSTRACT This research was conducted from June to July 2022 at the Samudera Bungus Fishing Port, West Sumatra Province. This research was conducted with the aim of looking at the Fisherman's Exchange Rate (NTN) for hand line fishing at the Bungus Ocean Fishing Port, West Sumatra Province. The method used in this study is the survey method, determining the respondents by accidental sampling tec…
This research is motivated by the not yet optimal mathematical problem solving ability of students due to the lack of availability of teaching materials that train students' mathematical problem solving abilities. One of the efforts that can be made to facilitate the quality of learning and the development of mathematical problem solving abilities is through the development of teaching mate…
ABSTRACT This study was to determine the genetic relationship and phenotype of mung bean seed development and yield components of several varieties of mung bean planted at various planting densities so that good characters can be found for determining direct and indirect selection criteria. The study used a randomized block design (RBD) with two factors and three replications, so that 12 combi…
ABSTRACT The main problem faced by pineapple farmers in Tambang District is the cheap price of pineapples, especially during the main harvest. Pineapple processing into various agro-industrial products is the right solution. The purpose of this study was to determine the product processing and income of the pineapple agro-industry in the Tambang District, namely: pineapple chips, pineapple dod…
Abstract Pregnancy is an event that can cause stress. Instantaneous hormonal changes can trigger the occurrence of biochemical depression in pregnant women. This study aims to see a picture of antenatal depression behavior in pregnant women. This study is descriptive quantitative using a cross sectional approach. The sampling technique in this study used purposive sampling with a total sample …
ABSTRAK Ferroelectric is a dielectric material which has the ability to change a wide internal electrical polarization using a suitable electric field. Ferroelectric materials can be applied as capacitors and made in thin films. Barium titanate is a ferroelectric material and can be doped with zirconium which increases the dielectric constant of the material. Fabrication of Barium Zirconiun Ti…
ABSTRACT This final project, entitled web-based sales information system (case study: rumbai petshop), discusses the creation of a sales system that is integrated with a computer to make it easier to manage sales at rumbai petshop. Rumbai petshop is a business that provides pet product sales services. In the current sales management, it is managed manually, and has not been well controlled. Ma…
Local isolates of the Riau fungus Penicillium sp. LBKURCC34, Trichoderma asperellum LBKURCC1 and Trichoderma asperelloides LBKURCC2 are well-known potential producers of enzymes and secondary metabolites with antimicrobial activity. Several studies have shown that these secondary metabolites have potential as antioxidants. Co-culture fermentation is known to increase the structural diversity of…
ABSTRACT Pennywort (Centella asiatica L. Urban) is a plant that contains medicinal secondary metabolites. Tissue culture is one solution in producing secondary metabolites in large quantities. The objectives of this research were to determine the effect and the best combination of 2,4-D and BAP in inducing callus on pennywort leaves. The research was used a randomized block design with two fac…
ABSTRACT Using tolerant varieties is the most effective way to utilize the potential of saline soils, however, the number of varieties and germplasm as gene donors for saline tolerance is very limited. This research aims to determine the tolerance of several local rice genotypes from Siak Regency to salinity stress in the nursery phase. This research used a split plot design. The main plot is …
ABSTRACT The purpose of this research is to analyze the market structure, conduct and peformance of the market in Tembilahan Hulu District. This research was conducted by survey. Determination of the sample was carried out by purposive sampling with the criteria of having a land area of 1-3 ha with a coconut plant age of 8-10 years, because farmers with an area of 1-3 are classified as large f…
Mangroves are flora which grow in coastal area and have high tolerance on salinity. Mangroves have an important role in nutrient cycle because it produces nutrient for surriunding ecosystem.Indonesia has wide mangroves,one of them was in Riau provincy.This Research was conducted in September 2022 in Mengkapan Village,Sungai Apit District,Siak Regency,Riau Province. The purpose of this research …
vii RELATIONSHIP BETWEEN RISK FACTOR AND PEDICULOSIS CAPTIS IN STUDENTS OF AL-JAUHAR BENGKALIS ISLAMIC BOARDING SCHOOL, RIAU PROVINCE ABSTRACT By: Azzuhara Faradiba Pediculosis capitis is a problem that is often found in the wider community with symptoms of itching and can even cause irritation of the scalp. Pediculosis is often not considered a major health problem because it is not a…
The subject matter of chemical bonds discusses the stability of elements, ionic bonds, covalent bonds, and metal bonds and learning media are tools to support learning. The results of interviews with teachers in the field of chemistry studies and distribution of questionnaires to students, obtained information that the lack of appropriate, interesting and interactive use of supporting learning …
The purpose of this research is to develop an electronic module using an articulate storyline application on colloidal material which is valid according to experts and gets a good response from users in small-scale tests. Type of the study is research and development study with the ADDIE model (analysis, design, development, implementation, evaluation). E-module that have passed the design stag…
Japanese is one of the foreign languages that is applied at several levels of education in Indonesia. For beginners, learning Japanese is taught in the form of katakana letters, hiragana letters, basic kanji letters, vocabulary, and basic grammar. The large number of vocabulary in each learning material causes students to have difficulty remembering every vocabulary learned, due to the lim…
This study aims to determine the influence of learning independence on the learning outcomes of class XI accounting students in the accounting subjects of trading companies at SMK Bina Profesi Pekanbaru. This research uses a quantitative descriptive type of research. The sample in this study was class XI accounting students for the 2022/2023 school year consisting of 1 class with 32 students. T…
The problem that is often felt by traders is that the level of net income earned by traders is not stable every month. This will also have an impact on the welfare felt by these traders. The purpose of this study is to determine the effect of MSME income levels on their welfare in the Padang Panjang culinary market. This study uses a descriptive method with a quantitative approach. Data collect…
The pulp and paper industry ranks third in water use after the metal and chemical industries. The use of water in the industry impacts the liquid waste produced. The effluent from the pulp and paper industry has a very complex composition. Therefore it is almost impractical to characterise all the components like other industrial wastewater. Based on government regulations, liquid waste di…
This study aims to provide an alternative to intersection handling management based on existing traffic data by projecting the state of the intersection for the short, medium and long term, whether the degree of saturation has crossed the threshold with a degree of saturation equal to 0.8. If the Degree of Saturation (DS) value is less than 0.80, several management alternatives for handlin…