The purpose of this research is to: 1) develop Student Activities Worksheet in the form of magazine based on critical thinking on reaction rate material that is feasibility of content, critical thinking, language, presentment and graphics; 2) know users response of LKPD. The procedure development research using 4-D development model (Define, Design, Develop, Disseminate), But this stage is only…
This study aims to determine the cost of production facilities, labor wages, and other expenses in one year to obtain the feasibility rate of rice farming in the Bunga Raya District. This research was conducted in 5 villages in Bunga Raya sub-district which have a fairly advanced farmer group. Sampling used random sampling concept. The data collected in this study are primary and secondary …
This study aims to produce an essay test instrument for critical thinking skills on chemical bonding material and to know the validity, reliability, distinguishing features, and the difficulty level of the test instrument. The research method uses the ADDIE model with five stages namely analyze, design, develop, implementation, & evaluation. In this research formative evaluation is done, meanin…
In 2017 the City of Youth and Sports Agency in Pekanbaru organized entrepreneurship training activities for young people, which was attended by 25 young people. The reason for the low number of participants is the lack of socialization from the organizers of activities and the lack of funds allocated for activities. As a series, it does not stop with training activities and apprenticeship activ…
Magnetic stirrer tool is one of the supporting laboratory instruments used to stir a sample so that the sample can be mixed into homogeneous. The Stirring System uses a magnetic field rotation mounted on a DC motor to rotate the stir bar soaked in a solution so that the material does not stick to the pedestal between the drive shaft. The purpose of this study is to be able to design a magnetic …
The authority of the Pekanbaru city government in handling social problems is in the form of handling homeless people and beggars as stated in Pekanbaru City Regulation Number 12 of 2008 concerning Social Order. Pekanbaru City Government through the regional government organizations related to the Pekanbaru City Social Service and coordinating with the Civil Service Police Unit has a role in ha…
Corporate Social Responsibility (CSR) is a concept or action taken by the company as a sense of corporate responsibility towards the social and the environment around the company is located. The company that is the object of the author's research is PT. Development of Investment Responsibility (PIR) of Indragiri Hulu District, Peranap District. Which local communities have not felt the benefits…
Coaching is an effort, action and activity carried out in an efficient manner to obtain better result, While the (UPPKS) program is a program formed by the government aimed at women who participate in family planning with various stages of a prosperious family that is prioritized to those who are less able to meet the needs in their families.so that they are given coaching to carry out business…
Roller Grinding at Atox Coal Mill is equipment used to refine coal (raw coal). Atox mill there are three roller grinding. The movement of the grinding roller comes from the movement of the table below it. The lubrication system on the roller grinding is classified as an external lubrication system. Roller grinding in the atox vertical mill is equipment that uses large heavy duty type bearings. …
Hoisting system on overhead traveling crane capacity of 55 tons in the crusher area of PT. Cement Baturaja is designed for material handling processes, especially if it is needed in the event of equipment disruption or trouble in the area and also during factory shutdown. The main components of the hoisting mechanism consist of wire rope, pulley, drum, hook, lifting motor and mechanical brake. …
PT. Andrtitz Pekanbaru is a Pulp and Paper machine component company, having problems with the quality of the Crusher Knife items. Defect in Crusher Knife reconditioning process becomes a quality problem at PT. Andritz Pekanbaru. Improvements in terms of the process are needed to reduce the number of defects that occur using the Quality Control Circle (QCC) method. Quality Control Circle is qua…
The angles fixture in the welding process is a supporting tool to holder the work-piece in the welding process. This tool is made in Do It Yourself (DIY) in micro-business. However, in its application there are problems. The solution provided to overcome these problems is the development of tools with the Design For Manufacture and Assembly (DFMA) method. The goal is to create a portable device…
Crash box is one of the passive security system technology that serves to absorb impact energy when the car suffers a collision. The Crash box has a parameter crashworthiness which is a parameter that indicates the durability of structures to protect a passenger during collision. The crashworthiness parameters in the crash box is energy absorption (EA), primary Peak Force (Pmax), mean crushing …
Planishing hammer is a tool for plate forming with a utilizing impact force that happened as a result of hammer’s impact. This research was conducted to find the performance of planishing hammer, then do some methods to get value of force that happened. As for the method used are analytic, experimental, and simulation. Simulation was made base on Finite Element Method (FEM). The experiment pr…
Bending roll is a tool used to make curves, widely used in the field of construction work. The bending roll tool made by Alfredo, Sedianto and Arief (2018) has not been tested. The bending roll tool is analyzed to determine its performance using the finite element method and compared with experiments. Testing through the finite element method Finite Element Method software is used, namely Abaqu…
Waste (B3) used oil is a residue of pure oil that comes from many kind of industrial activities and engine means. After waste oil is converted to fuel without special treatment, waste oil can be used as fuel for the internal combustion engine. The engine diesel is modified in the fuel filter system and the addition of the fuel pump. Filter system use fuel filter which is positioned parallel wit…
In this era, research are application of composite such as furniture, aerospace, automotive components fabricated by synthetic fibers. Natural fibers can substitute of synthetic fibers. The one of natural fiber OPEFB is composite was waste residue of the processing palm oil utilization which use as compost and fuel of combustion proces in boiler palm oil mill. Generally, the part of areca usual…
Hybrid turbine is a combination of two types of turbines into the one. The purpose of combining turbines is to improve the performance of each turbine. In this study, propeller turbine and venturi turbine are combined into the one. Energy ball wind turbine is placed in front of propeller turbine. The diameter used by propeller turbine is 200 cm with NREL S833 airfoil and venturi diameter of 50 …
This study aims to determine the effect of organizational and environmental communication on employee job satisfaction (Case Study of Non-Medical Employees of the Prima Pekanbaru Hospital). Employee job satisfaction is one of the factors that makes the company's goals run in accordance with applicable regulations and norms. To increase job satisfaction, it must be investigated in advance what f…
Abstrak: Keanekaragaman jenis dan kultivar manga di Sumatera terancam punah seiring dengan menurunya areal hutan sebagai habitat alaminya yang disebabkan deforestasi, pengubahan habitat, industrialiasi, ekspansi perkebunan sawit dan lain sebagainya sedangkan tanaman mangga yang tumbuh di Sumatera memiliki keunggal bunga tahan terhadap curah hujan tinggi atau teradaptasi dengan iklim basah. Tuju…