ABSTRACT The characteristics of rubber foam are influenced by various parameters, including tensile strenght and density. The purpose of this study was to make and determine the characteristics of foam rubber products based on natural rubber latex with coconut fiber filler. The manufacture of rubber foam is carried out in several stages, namely the process of making latex and mixing of additiv…
ABSTRACT One materials that has potential for bone implants and has a resemblance to the original bone is a 3D bone replica made from porous hydroxyapatitite (HAp). Stacrh Consolidation is one of the methods for making bone replica based on HAp. The purpose of this study was to determine the effect of variations in the addition of wheat flour to the characteristics of porous HAp. This research…
ABSTRACT Bone replicas are bones made to be used as implant models. One technique for making bone replicas was starch consolidation. The purpose of this study was to determine the effect of variations in the addition of cornstarch on the characteristics of the bone replicas produced. This research was conducted by mixing 20 grams of HAp with the addition of 8 grams, 10 grams and 12 grams o…
ABSTRACT Bone replicas are bones made to be used as implant models. One technique for making bone replicas was starch consolidation. The purpose of this study was to determine the effect of variations in the addition of cornstarch on the characteristics of the bone replicas produced. This research was conducted by mixing 20 grams of HAp with the addition of 8 grams, 10 grams and 12 grams o…
Absctract The purpose of this study was to determine the effect of catfish protein concentrate different concentrations of 0, 5, 10 and 15% on the quality (organoleptic, proximate and ALT) of dried cakes, to find out how consumer quality acceptance of cakes. The research design used was a non-factorial Completely Randomized Design (CRD) with 4 levels namely 0 (F0), 5 (F1), 10 (F2), and 15…
Abstract Biscuits are a type of food that is rich in nutrients and is consumed by people of all ages. This study aims to determine the characteristics of the nutritional quality of biscuits with the addition of biang fish flour. The study used an experimental method with the addition of different biang fish flour, namely 0%, 2%, 4%, 6%, and 8%. The results showed that biscuits with the addition…
Abstract Study this done on the Rokan River Subdistrict region suitcase Regency Rokan Downstream Exactly at the top as much for 15 days study in September to with October 2021. Research this aim for knowing influence use different bait on results catch tool catch bubu. The catchers fish in village the have habit use bait dregs coconut, seeds tree rubber and loose palm so that need determine ty…
ABSTRACT Giant freshwater prawn Macrobrachium rosenbergii is economically important prawn species that inhabits the Rokan and Siak Rivers in Riau. The waters in both rivers, however, are under pressure due to pollutant. To understand the water quality and to understand the morphological characteristics of the prawns from both rivers, a study has been conducted in April-May 2022. The prawns wer…
ABSTRACT Selodang River is a distributary channel originated from the Mandau River. Along the river of the Selodang River, there are palm and rubber plant plantations activities. During the rainy season the run off water may carry organic materials originated from the plantations and it is potencial to increase the organic matter of the water and thus affect the limnological condition of the w…
Abstract The presence of pathogen such as Vibrio sp is one of problems found in shrimp culture. The purpose of this study was to isolate and identify Vibrio sp bacteria from vaname shrimp, in water and sediment in shrimp pond culture in Rupat Island, Bengkalis Regency. This research was conducted in July 2022. Method used in this study was survey in which the Vibrio was isolated from samples o…
Abstract This research was conducted in March - May 2022 for 50 days at the Experimental Pool of the Faculty of Fisheries and Marine Affairs, Riau University, Pekanbaru. This study aims to determine the growth and survival of (Leptobarbus hoevenii) on maintenance media given liquid organic fertilizer. This study used a 100 liters bucket container for as many as 15 units. The doses of Bioboost L…
Abstract This study aims to determine the effect and optimal doses of thyroxine on the growth and survival of nilem. The test fish used came from Payakumbuh City, West Sumatra. The research was carried out at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Affairs, Riau University, Pekanbaru, from April–May 2022. The method used in this study was a completely randomize…
ABSTRACT The research was conducted in January - February 2022, at the Hatchery and Fish Breeding Laboratory, Faculty of Fisheries and Marine, University of Riau. This study aims to determine the effectiveness of NaCl solution in cement with different concentrations on the value of fertilization and hatching of catfish eggs (Pangasius hypopthalmus). The experiment used a one-factor Completely …
ABSTRACT This research was conducted in Desember – January 2021 at the Laboratory of Fish Hatchery and Breeding, Faculty of Fisheries and Marine Sciences, University of Riau. This study aims to determine the effect of feeding and the amount of different feeds on the growth and survival of nilem fish (Osteochillus hasselti) larvae. The method used was a completely randomized factorial design …
ABSTRACT This research was conducted in May 2022 at Ikur Koto Panjang Village, Koto Tangah District, Padang City. The purpose of this study was to analyze the internal, external and marketing strategies that exist in Sipujuk Farm, the internal factors in question are the strengths and weaknesses, while the external factors are the opportunities and threats of the smoked fish marketing stra…
Abstract The culture of going to sea is one of the cultures attached to the fishermen of the Duano Tribe. Duano Tribe fishermen are an indigenous tribe that inhabits a remote area in Indragiri Hilir Regency, precisely in Tanjung Pasir Village, Tanah Merah District. The existence of the Duano Tribe fishing community contributes to the development of the fishery sector. The objectives of this st…
ABSTRACT Smoked fish is one of the processed fish by smoking which aims to preserve fish, reduce water content in fish and add flavor to fish meat which is done in a traditional way so that it has a distinctive taste compared to other preparations. The purpose of the first study was to determine the added value of fresh Juaro Fish into smoked Juaro Fish by using the Hayami value added analysis…
ABSTRACT Assembled firearms are also called small arms because they are replicas and are assembled following the patterns of standard combat firearms, which are produced by illegal "home-made" gun manufacturing factories by the public. With the ownership of homemade firearms by civil society, law enforcement must be carried out against anyone who violates the law according to applicable regula…
ABSTRACT Community participation in the development of village infrastructure on Busuk Island, Inuman District, Kuantan Singingi Regency is classified as passive participation, due to the absence of transparency by village officials regarding the infrastructure and village funds provided. To determine community participation, an interview was conducted using a questionnaire. This study us…
ABTRACT This study aims to determine the magnitude of the economic value of river water utilization as a source of clean water for the Unit Pelaksana Teknis Dinas Pengelola Air Bersih (UPTD-PAB) in Rokan Village, Rokan IV Koto District, Rokan Hulu Regency. The population in this study were all users of PAB services in Rokan Village, Rokan IV Koto District in 2020 with a total of 81 Family Card…