ABSTRACT Peat water in Sumatra has a high concentration of Fe. One technology that can be applied to remove Fe concentration is aeration with a cascade aerator. Cascade aerator is an aeration system arranged like stairs that can add oxygen to the water, causing an oxidation reaction between oxygen and Fe which will then cause Fe(OH)3 deposition. This study aims to determine the ability of …
ABSTRACT The development of Forest Management Units (FMU) is used as one of the key policies by the government to support Indonesia's commitment to forest preservation and community prosperity. have experienced many developments with challenges that have resulted in regions being affected by the decentralization of regional autonomy. This research was conducted at the FMU “Tasik Besar S…
important problem faced by the leadership at the hotel is how to maintain satisfaction so that it can support the successful achievement of goals . Strive to retain quality employees to work for a long time at the hotel is one of the hotel's goals. This research was conducted at Mona Plaza Hotel Pekanbaru . The purpose of this study was to determine the effect of incentives and work environ…
This research is motivated by the need for the development of learning media where schools still lack innovative electronic-based media. Media Number Light Led is one of the electronic-based media that can be used to recognize the concept of number symbols in children. The type of research used in this research is R&D (Research and Development) research. The development model used is ADDIE …
This research is motivated by the implementation of the balimau kasai bathing tradition which has been handed down by the ancestors for a long time as preparation for entering the holy month of Ramadan. The balimaubath tradition includes bathing procedures and balimau kasai bathing equipment. So the formulation of the problem in this research is how is the implementation of the balimau kasai ba…
The Covid-19 pandemic has caused various impacts, one of which is on educational activities. The Indonesian government decided to implement learning by the Distance Learning method. This has become a hot topic of discussion on Twitter. The circulated tweets contain public opinions on the implementation of Distance Learning. This study aims to classify sentiments to see the public's view of …
The purpose of this research is to see how far the karate sport coaching process in Tembilahan Karate Club Indragiri Hilir Regency in achieving achievements. This research was conducted at the Tembilahan Karate Club, Indragiri Hilir Regency. The research was carried out for 6 months from May 2020 to November 2020. In this study the authors took the object of 14 Tembilahan Karate Club athlet…
The creation of a merit-based talent pool from which to hire is a recent innovation utilised in the management of the ASN. The call for the creation of a talent pool program was suggested by the National Civil Service Agency (Badan Kepegawaian Negara). This talent pool program and its corresponding talent management system classifies potential talented civil servants based on their potency and …
This study aims to produce mathematics learning tools in the form of a syllabus, lesson plans (RPP), and student worksheets (LKPD) based on a problem-based learning model on statistical material for class VIII junior high school students. This study uses a 4-D development model which includes four stages, namely: (1) define (define); (2) design (planning); (3) develop (development); and (4)…
Riau Province consists of 12 districts/cities, the human development index in Riau Province continues to progress. The year 2015-2019 experienced an average growth of 0.75%, in 2019 the highest human development index was in the city of Pekanbaru at 81.35 and the lowest was in the Meranti Islands district at 65.93. This study aims to examine the variables that are thought to have an effect …
This research is motivated by the implementation of an online learning system that makes all learning activities carried out online based on the regulation of the ministry of education and culture no. 15 of 2020. These online learning activities affect all aspects of the school, especially students as subjects who participate in learning activities, namely on student behavior in the aspect …
ABSTRACT Longitudinal Gradient of nitrate (NO 3 - ) and phosphate (PO 4 3- ) in Air Hitam River was carried out in September 2021. This study aims to determine the Longitudinal Gradient of nitrate and phosphate in the Air Hitam River Pekanbaru City. There were 5 stations, namely Station 1 (upstream), Station 2, 3, 4 (in the middle of river), Station 5 (down stream). Sampling was done 3 …
The experiment aims to study the effect of ameliorant and water tension on the growth and yield of upland rice variety Inpago 8 on Ultisol soil and to get the best treatment of ameliorant and water tension in increasing crop productivity of upland rice. This research was carried out in application the Departement of Agrotechnology, University of Riau, from March to July 2016. Factor of agris’…
Perception is a process of giving an assessment or response to something after a stimulus comes from the environment. Online learning methods implemented in nursing professional education can form new perceptions among students, namely positive perceptions and negative perceptions. This study aims to determine the perceptions of nursing profession students towards the online nursing profes…
Skim milk fermented by Lactobacillus casei subsp. casei R-68 is expected to produce fermented milk with more complete nutritional value and health benefits. This study used a Completely Randomized Design (CRD) with 5 treatments and 4 replications thus obtaining 20 experimental units. The data obtained were statistically analyzed using Analysis of Variance (ANOVA). If the F count is greater than…
Information technology has an important role in supporting various public interests in all aspects of life. Riau University as one of the educational institutions also utilizes IT in daily operations to build a professional, effective, efficient, and accountable management system. ICT Unit of Riau University is responsible for managing IT within the Riau University. To measure the level of …
This study aims to determine the effect of the influence of Interest Rate, Foreign Direct Investment and Dummy Crisis Variable to The Exchange Rates in Indonesia. The data used in this study is a time series data from 1994 to 2013 were sourced from Bank Indonesia and Invesment Coordinating Board (Badan Koordinasi Penanaman Modal). This study used quantitative research methods, and analyzed…
This study aims to determine the magnitude of the farmer's income of smallholder rubber plantations in Central Kuantan District Kuantan District Singingi. In this study population was used as much as 2,314 farmer households and the sample is as much as 44 families. Types of data sources used in this study are primary data and secondary data. The method used in this research is to use descriptiv…
Composite is a material that is formed from two or more combination materials with the result that it is resulted a composite material. Hydroxyapatite is one that can be composited with chitosan as adsorbent dyes methylene blue and methyl orange. The purpose of this study was to synthesize hydroxyapatite from lokan shells (Geloina coaxans) using the microwave method with NaH2PO4 and Ca(OH)…
The purpose of this research is to analyze the capital, labor and raw materials impact of positive and negative and to understand the most dominant factor of production that influence the tea production in PTPN IV Bahbutong. The data used are secondary data from PTPN IV Bahbutong. The analysis used in this study is a double linear regression analysis with the functions of the Cobb-Douglas prod…