Rukam is one of the species of Flacourtiaceae which is widely distributed in Sumatra and used as anti-diarrhea and anti-inflamatory ethnomedicine. Several species of this genus were reported to have antioxidant and cytotoxic activity. Phytochemical analysis showed that the leaf of rukam contained of flavonoids, saponins, fenolic, terpenoids and steroids. This study was aimed to isolate secondar…
Vector control must be carried out in the Port and Airport area. The use of chemical insecticides is one way to reduce the vector of Dengue Hemorrhagic Fever (DHF) caused by the Aedes aegypti mosquito. Given the use of different insecticides in an area will produce different resistance, it is necessary to test the resistance. This is in accordance with the Regulation of the Minister of Health o…
The purpose of this research is to analyse the effect of environmental cost and corporate social responsibility (CSR) disclosure on financial performance with environmental performance as a mediated (empirical study on companies listed on Indonesia Stock Exchange which following PROPER year 2016-2018)". This research is a quantitative study using secondary data observed from the company's …
ABSTRACT This study aims to: (1) To describe the communication elements of coconut farmers in Indragiri Hilir Regency, (2) to describe the communication behavior of coconut farmers in Indragiri Hilir Regency, (3) to describe the convergence to increase the coconut farmers capacity in Indragiri Hilir Regency, (4) to analyze the factors which influence the communication behavior of coconut f…
Interpersonal communication between long-distance couples in maintaining post-infidelity relationships among Pekanbaru City students will determine the quality of long-distance partner relationships and is the key to the success of long-distance couples in maintaining relationships after the affair occurs. Long distance couples have a very close relationship and communication that takes place i…
In the 2009 election, the National Mandate Party won the highest votes in Siak Regency, namely 17,750 (12.47%) with 5 seats but was defeated by the Golongan Karya party in 2014 by obtaining 30,603 (15.83%) votes and obtaining 6 seats. so that PAN is in fourth place with 23.68 votes (12.24%) with 5 seats. However, in 2019 with the efforts and hard work of the DPD, candidates and their success te…
Abstract The Nizam Zachman Ocean Fishing Port, Jakarta, is a Type A or Class I port, with the aim of distributing and marketing fish for local, national and international markets that serve as measures of a port's progress Indonesia. Research Objectives To find out how the level of operational performance in Ocean Fishing Port Nizam Zachman Jakarta uses the parameters of the decision of th…
This study aims to analyze the husband's income, number of dependents, women's education and women's free time for the income received by working women in the informal sector in Pekanbaru City. This research is based on primary data collected through online questionnaires in Pekanbaru City towards women who work in the informal sector who live in Pekanbaru City. This study used multiple reg…
ABSTRACT This research was conducted in July at the Insit Village, Tebing Tinggi Barat District, Meranti Islands Regency, Riau Province. With the aim of research to determine the development of white snapper cultivation in the area, knowing the use of production factors for the cultivation of white snapper in floating net cage and knowing the amount of income earned in the white snapper ca…
The k-Fibonacci sequences have first term is 0, the second term is 1, and the next term depends on a positive integer k. The k-Fibonacci numbers can represented as a k-Fibonacci matrix denoted by Fn(k). Then, the Bernoulli’s number and the Bernoulli polynomial can also be represented as the matrix and denoted by Bn and Bn(x). In this thesis, the new matrices of multiplication of the Bern…
The fulfillment of drinking water needs in Langgam Subdistrict, Pelalawan Regency comes from packaged water by 29%, drilled wells by 0.125%, piping by 32%, river water by 19%, springs by 11.7% and rainwater by 11.8%, where the quality and quantity of these sources are not guaranteed. In 2009 to 2018 with an increase in population by 66.14%, the need for drinking water is 64.09 liters / sec…
Nanomaterial are nano-sized materials that can be formed from several its forming compounds One of the bionanomaterials, namely chitosan, this compound can be used as an adsorbent of heavy metals. This research used chitosan as an adsorbent in peat water treatment located In Rimbo Panjang Village, Kampar. Chitosan obtained from shrimp shell waste, with several stages of the process first c…
This research was conducted in the city of Pekanbaru. The purpose of this study was to determine the factors that influence the supply of pastries in the city of Pekanbaru. The data used in this study are secondary data and primary data. The analytical method used in this research is quantitative descriptive, partial and simultaneous analysis of multiple linear regression analysis with the …
this determination is carried out around the Gramedia red light Pekanbaru City. The purpose of this study was to determine the characteristics and empathy of street children around the red light Gramedia Pekanbaru, in this study used a descriptive research type with predetermined indicators, and ways of collecting and calculating research data with a qualitative approach. In order to get inform…
The purpose of the research is to determine the effect of interest rates, profit sharing and PDRB on the collection of third party funds of commercial banks in Riau Province in the long run and short run. Data used in this research is time series data from 2011 (Q1) to 2018 (Q4), sourced from Bank Indonesia (BI), Financial Services Authority (OJK), and Central Bureau of Statistics (BPS). T…
ABSTRACT Palm oil mill effluent continues to grow along with palm oil production in Indonesia. Palm oil mill effluent treatment has been using anaerobic ponds which are not efficient due to the require large areas of land and due to greenhouse gases because they produce CO2. Electrocoagulation is an alternative technology and advanced technology in treating palm oil mill effluent. Electroc…
Environmental health is an ecological balance that must exist between humans and the environment in order to guarantee the healthy state of humans. If the environmental health conditions are not giving so much attention, the environmental based diseases will be appeared, one of which is Tuberculosis. Pulmonary tuberculosis is an infectious disease caused by the bacteria Mycobacterium tuberculos…
ABSTRACT This research aims to identify the distribution channels of fishermen's catch marketing that are landed in Bangliau Mara, to determine the amount of marketing margins received at each marketing agency of fishermen's catches, to determine the level of marketing efficiency of fishermen's catches at each marketing institution in Bangliau Mara The method used is a survey method by directl…