ABSTRACT Though the concept of checks and balances in Indonesia is dominated by the power of the legislature, the Parliament cannot process and make a decision on its own opinion, but rather submit the proposal to the Constitutional Court first. The Parliament in its opinion regarding the proposed dismissal of the President and/or Vice President does not have an sufficient legal basis. Th…
ABSTRACT This study aims to determine the effect of facility availability, evaluation, and job satisfaction on teacher performance in teachers of SMK NEGERI 5 Pekanbaru. The population of this study is the total number of teachers from SMK Negeri 5 Pekanbaru which amounted to 103 teachers with a research sample consisting of 99 civil servant teachers at SMKN 5 Pekanbaru. The data collectio…
ABSTRACT This research was conducted at PT. Perkebunan Nusantara (PTPN) IV Regional III Kebun Sei Galuh which is located in Pantai Cermin Village, Tapung District, Kampar Regency, Riau. The aim of this research is to find out how training, workload and work environment influence the performance of divisional employees at PT. Perkebunan Nusantara (PTPN) IV Regional III Kebun Sei Galuh. Thi…
ABSTRACT Solar energy is an abundant source of environmentally friendly renewable energy and has great potential to be used in charging electric vehicle batteries. However, one of the main challenges in the adoption of electric vehicle charging using solar energy is an efficient and fast battery charging process. This research aims to design and analyze the use of boost converter and maximum p…
ABSTRACT Pineapple peel can be used as a natural ingredient in making mosquitorepellent lotion. This research aims to determine the best pineapple peel extract for the characteristics and effectiveness of the anti-mosquito lotion produced. Pineapple skin was extracted using the maceration method with 96% ethanol solvent. The research was carried out experimentally using a Completely Rando…
ABSTRACT Palm trunk contains cellulose that can be hydrolyzed into glucose as an alternative substrate for bacterial growth namely, Brevibacterium sp. InaCC B46. The purpose of this research was to determine the interaction between incubation time and concentration of Brevibacterium sp. InaCC B46 in producing amino acids and antioxidant activity. The research method used a factorial comple…
ABSTRACT Corn (Zea mays L.) is the second important food in Indonesia after rice. One of the problems encountered in maize cultivation is the attack of the corn fall armyworm (Spodoptera frugiperda J.E., Smith). The corn fall armyworm S. frugiperda is a threat in maize cultivation, because it can cause a decrease in production of 5-20% when the larvae attack the leaves and 100% when the larvae…
ABSTRACK In today's digital era, companies are leveraging data with data mining techniques to uncover patterns and important information. This study produces two data mining methods, Apriori and FP-Growth, for drug purchasing pattern analysis. Although FP-Growth is often more efficient, Apriori can provide competitive results in small datasets. Purchasing pattern analysis has strategic value f…
ABSTRACT Propylene is a colorless, flammable, low-viscosity organic compound that is gaseous at room temperature. Propylene is widely used as a raw material in the production of polymers such as polypropylene, which is used in the manufacture of various plastic products. In addition, propylene is also used in the chemical industry as an intermediate in the manufacture of other compounds, such …
ABSTRACT Acrylic Acid is a compound with the molecular formula C3H4O2 which is used in the polyacrylate, hydrocyanicrylate, coating formulations, Superabsorbent Polymers (SAPs), and polymer industries. Acrylic Acid is made using the oxidation process on acrolein produced from the glycerol dehydration reaction. This factory is planned to operate for 330 days per year and work continuously for 2…
ABSTRACT This Research on Improving Internet Access Reveals New Challenges in Maintaining Content Consistent with Moral, Social, and Religious Values, Especially in Educational Environments this research aims to analyze and implement access restrictions to websites containing Lesbian, Gay, Bisexual, and Transgender (LGBT) content using the raw firewall method on a MikroTik router at SMP Negeri…
ABSTRACT Hydrogen sulfide (H2S) and ammonia (NH3) are hazardous gases commonly found in waste management facilities, one of which is a final waste disposal site (TPA). This study aims to analyze the environmental health risks associated with H2S and NH3 emissions from the TPA in Bangkinang. Data collection in this study includes waste characteristics, meteorological conditions, and H2S and…
ABSTRACT Riau Province has 419,381 hectares of coconut plantations and a production of 387.9 thousand tons. The large coconut production can produce waste. One of them is coconut dregs, 1 ton of whole coconut processed into coconut milk produces 250-300 kg of coconut dregs waste. Coconut dregs contain high levels of crude fiber 33-37%. One way to manage organic waste is to use Black Soldie…
ABSTRACT Providing stable electrical energy is an absolute requirement that must be met in meeting electrical energy needs. In meeting the need for electrical energy, there is a distribution of loads that do not coincide with the switching on of these loads, giving rise to a load imbalance which has an impact on the supply of electrical power. This research aims to find out how the load is unb…
ABSTRACT Maize (Zea mays) is one of the most important carbohydrate-producing food crops in the world along with wheat and rice. Maize production in Riau decreased by 15%-75% due to Spodoptera frugiperda J.E. Smith larvae attack. Jengkol fruit rind (Pithecellobium lobatum Benth.) is one of the plants that have the potential as a vegetable insecticide. P. lobatum contains the active compound je…
Physics as a science that studies natural phenomena requires an understanding of facts, concepts, principles, and theories obtained through the scientific process. However, physics learning is often centered on the teacher, so students tend to only memorize formulas without understanding their meaning which causes physics to be considered difficult. One approach that can overcome this problem i…
Bahasa merupakan alat penting dalam interaksi sosial, dan tiap komunitas menggunakan ragam bahasa yang berbeda. Salah satu fenomena dalam penggunaan bahasa adalah disfemisme, yaitu ungkapan atau kata yang memiliki makna kasar, tidak sopan, atau berkonotasi negatif. Dalam masyarakat Desa Igal, Kecamatan Mandah, Kabupaten Indragiri Hilir, disfemisme sering digunakan dalam komunikasi sehari-h…
ABSTRACT An undervoltage supply below the nominal value can significantly affect the performance of a 3-phase induction motor, especially under load conditions. This study aims to analyze the effect of an undervoltage supply on a 3-phase induction motor in the Electrical Energy Conversion Laboratory at Universitas Riau. The experiment was conducted with voltage variations of 380 V, 360 V, 340 …
ABSTRACT Sago bark is a byproduct of the sago starch filtering process that contains lignocellulosic components. The separation of these lignocellulosic components can be achieved through a lignification process. One chemical method of delignification employs an organosolv solvent. This research aims to determine the optimal concentrations of formic acid and acetic acid to achieve the highest …
ABSTRACT Red cayenne pepper is one of the commodities in Riau that has a shelf life that only a few days at room temperature, then it needs to be handled after a post harvest. Edible coating is a thin layer that will prevent the water movement then the respiration process is inhibited. Edible coating can be made by starch, such as corn starch because it has a high content of amylose and amylop…