Research has been carried out in Pekanbaru N 12 Middle School from January to March 2019 which aims to determine the implementation of the constructivism approach to science learning in grade VII students of junior high school using the quasi-experimental technique. The sample used in this study is class VII 2 and VII 3, which amount to each class 32 while the population is all students of clas…
This research aims to know the presence of the bacteria Escherichia coli on coconut ice drink that are sold in Suka Karya street Tampan district Pekanbaru city in October 2018 to May 2019. This research is an descriptive study was conducted with the 2 phases that is phase test the bacteria Escherichia coli in the lab and phase module design. The samples are taken by purposive sampling method ar…
This research aims to determine how much of inflation, exports and rupiah exchange rate against US Dollar on foreign direct investment. This research uses independent variabels of inflation, exports and rupiah exchange rate against US dollar, and dependent variable is foreign direct investment. The data used in this research is annual data from 2003-2018. The analytical method used is descript…
This research was conducted in Kuantan Singingi Regency. The purpose of this study was to find out how to increase the demand for woodcraft creative industries in Kuantan Singingi district by using Porter analysis and to find out what factors influence the development of woodcrafts creative business development in Kuantan Singing regency viewed from internal and external variables that affect t…
The potential source of diversity in the Riau peat swamp ecosystem can still be explored. This research was conducted to know the microalgae community structure from the peat swamp ecosystem of giam siak kecil-bukit batu biosphere reserve (CBGSK-BB) and produce a design of work sheet of students, in July-September 2018. The research method was field data collection with explorative research, wh…
This study aims to find out how the influence of capital, labor, and raw materials on the production of small wood furniture industries in Pelalawan Regency. This study uses primary and secondary data obtained from the Department of Industry and Trade of Pelalawan Regency and obtained directly from respondents in the wood furniture industry in Pelalawan Regency. In this study using the Ordinary…
The research aims to determine the influence of exchange rate ,export price and gross domestic product (GDP) of European Union againts apparel export volume of Indonesia to European Union. This resarch analyzes three independent variables using secondary data in the form of panel data with five countries of cross section and six years of time series. The analytical method used regression of …
This study aims to determine whether there is a causal relationship between foreign direct investment and the rupiah exchange rate in Indonesia in 1996-2018 and to determine whether there is a significant influence between foreign direct investment and the rupiah exchange rate in Indonesia in 1996-2018 in the long term and long term short. This study uses secondary data in the form of quant…
This research purposed for knowing market structure and market performance of small industry of processed sweet martabak of bandung in Pekanbaru City. Data used in this study is primary and secondary data. This research uses descriptive quantitative methods through the theory of Structure Conduct Performance. In this model variables are used for calculations is Market Share, Concentration Ratio…
ABSTRACT The purpose of this study was to analyze the effect of prices and exchange rates on the export value of Indonesian Palm Kernel Expeller (PKE) to South Korea in 2007-2017 The observation period carried out in this study was 11 years. The data used in this research is secondary data. obtained from www.trademap.org and and Bank Indonesia. The data collection method used in this study i…
The purpose of this study was to find out the problems discussed in the seafood culinary industry in Pekanbaru City and how the problem in obtaining seafood raw materials in Pekanbaru City was through suppliers, fishermen or raw materials from their own production. The research population is culinary entrepreneurs distributed in the City of Pekanbaru. Sampling is determined by 7 seafood entrepr…
ABSTRACT This study was aimed to examine the effect of microwave heating on the protein content of mudskipper (Periophthalmus minutus) fish flour. The method used was experimental and composed as Completely Randomized factorial Design (CRFD) by consists of 2 factors, namely factor A is the power with three treatment levels (A1 400, A2 500, and A3 600 watts) and factor B is time with 2 treatm…
ABSTRACT This study was aimed to determine the characteristics of analog rice of snakehead fish concentrate which fortified Chlorella sp. and to find out the best formulation. The method used in the research was experimental. The design used in this study was a Completely Randomized Design (CRD) of one factor, with 4 levels of treatment, namely the addition of Chlorella sp. as much as 0% (C…
ABSTRACT This research was aimed to isolate of lactic acid bacteria derived from traditional fermented food ‘cincalok’ of rebon shrimp (Acetes sp) and to identify the type of lactic acid bacteria contained in it so that it can be made into a pure culture that can be used in subsequent cincalok fermentation. The cincalok was made with 25% of salt and 10% of sugar from the weight of rebon sh…
ABSTRACT Pineapple peel (Ananas comosus) was an organic waste that can be used as an antimicrobial / antibacterial because it contains secondary metabolites, such as flavonoids, tannins, and saponins. Edwardsiella tarda was pathogen that can cause diseases in cultured fish. The research aimed to determine the sensitivity of pineapple peel extract (A. comosus) in inhibit the growth of E. tard…
Freshwater snail (Pila ampullacea) is a mollusk animal of the Gastrophoda class. Freshwater snail is a hard and strong shield that protects the inside of the soft body and potentially contain chitin compound. One derivative of chitin which has been developed for wide application is chitosan. Chitosan was produced through several stages of demineralization, deproteinasi, and deacetylation. This …
ABSTRACT This research was conducted in Juni – July 2018 in The Marine Biology Laboratory Majoring in Marine Sciene at Fisheries and Marine Faculty University of Riau. The purpose of this study was to determine the growth rate (colonies total, wet weight, absolute weight biomass, and growth doubling time) Azola microphylla in brackish water in different salinity. The method used in th…
ABSTRACT The research was conducted from November 2018 until May 2019. The purpose of this study was to determine the effect of T. hemprichii seagrass extract on the sensitivity of V. alginolyticus and A. hydrophila bacteria. The research used experimental method. Sensitivity test was carried out in the Marine Microbiology Laboratory of the Faculty of Fisheries and Marine, University of Riau. …
This research was conducted in March to April 2019. The purpose of this research was to find out value of total suspended solid (TSS) content, value of phytoplankton abundance, and the relationship between the total suspended solid (TSS) and the abundance of phytoplankton. This research used survey method, there is are four sampling stations with three replications in each station. The results …
The General area is the mangrove biodiversity and marine life that have biological activity that likely has the same pharmacological potential as an antimicrobial compound. The purpose of this research is to know the bacterial antagonism in isolation from mangrove, mangrove crabs, snails and fish tembakul against pathogenic bacteria (A. hydrophylla, A. salmonicida, E. ictaluri). This research d…