One of the reasons for the poor quality of palm oil in Indonesia is because of the separation system of processing method is processed manually. In this research, the proposed solution to overcome the problem is by applying the automatic separation system by using microcontroller. The maturity of the fruit will be determined from the image that taken by a camera. The reading of the camera image…
Rotating machines that have been operating within a certain period of time there is frequent vibration. The vibration is usually caused by unbalance, misalignment, bearing defect, and others. Unbalance is ranked first cause of vibration, where more than 80% cases of vibration caused by unbalance. This condition causes the balancing process needs to be done. A commonly used method is vibration m…
The pipeline system leads an important role in ubiquitous feature of modern society and industrial which is used as one of the high integrity fluid transport function, but has a major problem such as leakage and blockage. Detection methods are typically performed using ultrasonic pressure and wave differences at a relatively high price. The research method used is detection by using sound signa…
The most common cause of Chronic Suppurative Otitis Media (CSOM) is Pseudomonas aeruginosa. These bacteria have a lot of resistance to synthetic antibiotics, therefore we need to look for other alternative antimicrobials from natural materials that available in our country. One of them is Virgin Coconut Oil (VCO). VCO is made from freshly coconut meat that processed without refining (bleacing a…
Diazepam is a psychotropical drug which is commonly abused. Diazepam have hypno-sedative, anti-convulsive and anti-insomnia effects. Psychtropic abuse is a law violation, and it can be proved by using immunoassay studies followed by confirmation methods. This study is aimed to determine the presence of diazepam in urine using Right Sign cassette rapid test on samples stored at a 250C temparatur…
Forest fires were one of the caused of rapid forest destruction that could negatively affect the ecosystems of the world. Adverse effects of forest fire smoke had an impact on health. Forest fire smoke contained particles and gases that could contaminate the air, including carbon monoxide (CO), sulfur dioxide (SO2), particulate matter (PM), and Benzo-a pyrene which could cause interruption of t…
Macroporoous microcarrier is one of tissue engineering technology that consist of support matrix and can be used as a cell culture medium in bioreactor. Protein foaming-starch consolidation method is choosed for manufacturing porous hydroxyapatite with egg yolk as a pore-forming agent. The purpose of this study was to determined the effect of yolk addition, sintering temperature, and drying tem…
Tuberculosis (TB) disease is a transmitted infection that caused by Mycobacterium Tuberculosis (M. Tuberculosis). In 2015, Indonesia is in the 2nd place after India in the world and the case of TB in Indonesia increases twice from the previous year which is about 1 million new cases per year. The success full of a program is determined by the patients’obedient in consuming medicine completely…
Processing of palm oil into Crude Palm Oil (CPO) will produce a large amount of liquid waste. To produce a ton of crude palm oil (CPO) produced 6 m3 of palm oil mill effluent. In this study, a process for removing organic compounds in wastewater using the advanced oxidation process by combining peroxymonosulfate (2KHS5.KHSO4.K2SO4) and a catalyst of LaMnO3 Perovskite. The combination will produ…
The aim of this research is to produce an Oersted experimental device to support laerning prosess of junior and also senior high schools. In this development research method, we have developed Oersted experimental device and its guide through the step of ADDIE method. Three leacturs of physics education and two physics teachers were participant is expert and user repectly. They asked to asses t…
One material that has potential as raw material for bioethanol is the pineapple peel. Pineapple peel is one of the biggest agricultural waste in Indonesia, especially in Riau derived from pineapples. Pineapple peel can be used as raw material for bioethanol production due to contains of fiber, carbohydrates and glucose. This study was conducted to produce ethanol by fermentation of pineapple pe…
The aim of this research was to produce student worksheet with comprehensive intelligence based on PBL model’s on learning physics class X in SHS was valid. This research type using Research & Development (R & D). The subject of this research was teaching materials in the form of student worksheet 1, student worksheet 2 and student worksheet 3 validated by validator consisting of 3 lectu…
This study aims to test the validity of experimental devices and experimental devices with Rnd method. Validity test was conducted at the Learning Media Development Laboratory of Physics Education Study Program of Physics Education Department of PMIPA Faculty of Teacher Training and Education University of Riau. This research was conducted from April to June 2017. With 3 lecturers validator who…
This study aims to determine the validity of the development of physics-oriented learning device inquiry approach on thermodynamic materials class XI SMA based on curriculum 2013. Development of tools such as RPP, LKPD and test results learning. The research used in the form of observation method using validation instrument validated by validator, namely 2 lecturers physics FKIP UR and 2 people…
Biodiesel producted by transesterifiation reaction which on energy source. Biodiesel was developed in Indonesia as an anticipatis of energy crisis problem suppported by goverment national energy policy. This research is aimed to make biodiesel from cotton seed oil, studying the effect of agitation speed to the amount of biodiesel produced and determined the best catalyst activated by acid or ba…
This research aims to produce e-module based science literacy that is feasible to use. The subject of this research is e-module based science literacy on electromagnetic radiation lesson. This research used Research and Development method with type 4D. Stages of developing this e-module based science literacy include Define, Design, Develop, and Disseminate. The instrument used is the Science …
Chitosan is derived from chitin compound used in the biomedical field. Chitosan can be synthesized from ebi waste using chemical methods through the deproteinasi process, the demineralization process and the deacetylation process. The purpose this study is to determine the effect of temperature on the degree of deacetylation chitosan synthesis and to determine models that can describe the kinet…
The purpose of this study was to determine the increase in Physics Learning Outcomes class X SMA N 4 Pekanbaru using model Inquiry Training. The research was conducted of the month April 2017 to July 2017. The form of this study was Quasi Experimental Design with design Intact Group comparasion. The sample of research in class X1 and X2 with the number of students 38 and 37 students in SMA N 4 …
This study aims to determine the effect of learning inquiry training model on simple harmonic motion lessons to the students' science process skills in grade X SMA Negeri 1 Tualang. The type of this study was quasi experiment with Intact Group Comparison design and involved 1 control class and 1 experimental class consisting of 68 students. The instrument used in this research is a science skil…
This study aims to determine the misconception experienced by students in physics learning on static fluid material using Certain of Response Index (CRI) method at SMAN 7 Pekanbaru. This research was conducted from March to July 2017 with the subject of research is all students of class X in SMAN 7 Pekanbaru as many as 106 students. The type of research conducted is survey research. In this stu…