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INDONESIA
INSIST (International Series on Interdisciplinary Research)
Published by Universitas Lampung
ISSN : -     EISSN : 25028588     DOI : -
Core Subject : Education,
Other
INSIST is an International online journal which publishes innovative research papers and critical reviews in the field of engineering and interdisciplinary science researches. It focuses on but not limited to Electrical and Telecommunication, Mechanical Engineering, Chemical and Environmental Engineering, Civil and Architecture, Geophysics Engineering, Material Physics, Applied Sciences and Biomedical Engineering. The over-riding criteria for publication are the originality, scientific quality and interest to the interdisciplinary research.
Arjuna Subject : -
Articles 67 Documents
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Flood Early Warning System with Informational Technology for Reducing Risk of Loss in Sustainability of City Ahyar Supani; Maria Agustin; Yuli Andriani
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

Palembang is divided by Musi-river consisting of two parts of city called Hulu and Hilir. it has a height of Musi tide surface about 0.7 m to 2.2 m and average high rainfall 101.48 mm/hrs in a year so that it always happen flood every year. In tackling flood, Palembang goverment has did rehabilition of canals, river dredging, creation of retention ponds, demolition of illegal building on the banks of river and the extension services provided to the public about the cleanliness of the river. In addition in this study, it has been also applied infomational technology to tackle the flood in Palembang as early warning system. The flood early warning system that was built for measuring rainfall and water level, predicting flood condition using fuzzy logic and conveying data containing rainfall, water level and flood condition via short message service to people. In test, it was succesfull measuring water level up to 5 metres and rainfall  up to 380 ml/minutes and more, forecasting the flood conditions namely standby 2, standby 1 and flood. Hence, it was also successfull sending short message service containing rainfall, water level and flood conditions automatically. In addition, the increase of rainfall caused the increase of water level and change of flood condition. Meanwhile, it was based on study that the flood early warning system was the key element of disaster risk reduction. From the results, it can be concluded that flood early warning system resulted on flood for 5.0 m, 320.31-418.33 ml/minutes, S1 for 4.0-5.0 m, 243.33-647.5 ml/minutes, S2 for less than 3.6 m, 414.17 ml/minutes. It succeeded in sending data of rainfall, water level and flood as much as 15 times to community's cellulerphone automatically so that it is reducing risk of loss againts flood and maintaining sustainability of city.
Variation Symptoms and Resistance Response of Different Types on Orchids (Orchidaceae) Against Odontoglossum ringspot virus (ORSV) Infection Mahfut Mahfut; Budi Setiadi Daryono
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

Odontoglossum ringspot virus (ORSV) is one of the viruses that are reported to infect the most orchids in Indonesia. Viral infections cause economic losses. This research was conducted to study the introduction of symptoms of infection that appear as the initial stages of disease control. The source of the virus is orchid leaves Phalaenopsis amabilis positively infected by ORSV collected from Magelang. Virus isolation was carried out by mechanical inoculation to indicator plants (Chenopodium amaranticolor and Nicotiana tabaccum). Furthermore, the results of inoculation were multiplied using various types of orchids (Dendrobium, Cymbidium, Chattleya, Phalaenopsis, Spatthoglotis, Liparis, and Pecteilis). Virus detection on orchid tissue was done trough the DAS-ELISA and observation of virus structure using TEM. The results showed that Pectelis sussanae (L.) Raf. was the only orchid plant that was immune against ORSV approached. Dendrobium sp., Cymbidium sp., Chattleya sp., Phalaenopsis sp., and Spathoglotis sp. showed a response of susceptible of ORSV severe infection symptoms, while Liparis sp. were resistant. The variation of resistance from several orchid plant against infection ORSV showed severe symptoms with the incubation periode was seen earlier. The observation of virus structure using TEM showed rigid road shape particle, 300 x 18 nm in size, which is general characteristic of Tobamovirus. This indicate an infection of ORSV is a dangerous disease and require serious control
Simulation of Cement Mill to Predict and Mitigate the Over-Heat Phenomenon: an Approach to Optimize the Energy Consumption in Cement Industry Himawan Tri Bayu Murti Petrus; Jonas Kristanto; Kevin Cleary Wanta; Agus Prasetya
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

being one of the most energy-intensive industries, cement industry requires to evaluate the energy efficiency of their operating units, one of them is cement mill. Functioning as a mixing unit of several materials, i.e., clinker, limestone, gypsum, and trass with their initial heat and propensity of heat generation during milling, over-heat in the cement mill occurs frequently. It should be avoided in order to establish efficiency. Therefore, a mathematical model was generated in this study to predict and to mitigate this overheat phenomenon. This cement mill mathematical model has been generated using mass and energy balances. The output of the model is temperature profile versus residence time with targeted water content of the product that the optimum residence time can be calculated. Based on the temperature profile with a targeted water content of the product, it can be concluded that the optimum operating condition of the cement mill lies in the range of 5 to 30 seconds of materials residence time in the cement mill
Manganese Recovery from Hydrocracking Spent Catalyst Using Citric Acid and Its Kinetics Himawan Tri Bayu Murti Petrus; Dewi Purnama Sari; Ahmad Tawfiequrrahman Yuliansyah; Fika Rofieq Mufakhir; Widi Astuti; Yusuf Iskandar; Danu Bratakusuma; Shinta Virdhian
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

Aiming for recovery and kinetics of manganese from hydrocracking spent catalyst using citric acid, this study has been conducted. In order to justify the performance of citric acid, a comparative study has been conducted using both inorganic and organic acids in the same pH condition of about 1,5 - 2. pH was used as the controlled variable due to the different dissociation degree of the acids. In comparison to that of inorganic acid, the manganese recovery is four times higher when citric acid was applied. Acetic acid performed 33% lower in manganese recovery compared to the citric acid. Moreover, kinetics study was conducted with three varying temperature of 30C, 60C, and 90C. From the resulted data, it can be concluded that the kinetics of mengan leaching from spent catalyst using citric acid is in accordance to the shrinking core model. The controlling step is product diffusion with activation energy (Ea) of about 23.27 kJ/mol calculated using Arrhenius expression. With higher selectivity and leaching reagent which is harmless to the environment, the application of citric acid in manganese leaching from spent catalyst will indeed support the enactment of sustainable development aspect in recycle processing
Spatial Identifications and Strategies toward Creative Village in Bandar Lampung City Citra Persada; Nandang Nandang; Agung Cahyo Nugroho
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

Urban village as a historic village has a high physical, social and cultural values that needs to be preserved. Kampung Negeri Olok Gading has been designated as a cultural and historical village by the Government of Bandar Lampung City, however it is constrainted by the development of the surrounding area. The purposes of this study are: (1) to know the pattern and variety of activities within the village as a creative village embryo; (2) to know the physical condition, functional condition and environmental condition of the kampung; (3) to formulate the physical arrangement strategy in transforming Kampung Negeri Olok Gading become Urban Creative Village. This research uses descriptive analysis methodology through empirical study to existing condition. Through empirical tracking of the physical elements of the area, it is known that there are significant changes to the condition of the urban village such as: the changing of land use and building, the changing of the building and the environment. The main strategy that can be applied to transform Kampung into the creative village is the integrated conservation of the area which include physical, social and cultural aspects
Empirical Study on Big Data Analysis for Supply Chain Management Subhra Prosun Paul; Shormee Saha
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

with globalization, outsourcing is reaching beyond continents. Design is done in one part of the world, manufacturing in another low-cost country and distribution to other countries in the world. Procurement is illuming as a central focus that requires to be synchronized with all other business functions. As a matter of course, a sizeable amount of a firm’s revenue goes for its supply chain that interprets the significance of the supply chain lays in a firm’s bottom-line. So, the supply chain has a tremendous opportunity to get used of data. Nowadays, the supply chain is attracting much and more attention because in terms of analytics it is behind other functions of a firm.  Specifically, this paper will (1) redefine, by research on scientific work, what BDA means in the context of Supply Chain Management, and how it differs and has evolved from analytics technologies; (2) evolve taxonomy of Big Data within SCM that identifies and classifies the different sources and types of data arising in modern supply chains and (3) suggest some applications of BDA and show the potential high value of this technology offers to solve intricate SCM challenges.  This research tries to explore how the behavior of Big Data can succor procurement and SCM in greater decision making. Big data can be a lightening of a resilient environment while managing suppliers in global SCM is a challenging task. Another studied aspect is having access to a greater pool of data and what kind of potential data can render benefit SCM. SCM professionals were interviewed to understand what they expect from their logistics, procurement and marketing systems and how Big Data can contribute to that. What type of transparency is needed? What requires to be automated? What delineation of data is useful? Furthermore, how Big Data can help with SCM risk management.
The Development of an intelligent e-health Mobile Application in Indonesia: A Preliminary Study Yasser Abd Djawad; Sutarsi Suhaeb; Ridwansyah Mustakim; Hendra Jaya; Saharuddin Ronge; Saliruddin Sakka
INSIST Vol 4, No 2 (2019)
Publisher : Universitas Lampung

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Abstract

Telehealth has developed as an alternative to cover healthcare in all regions. Telehealth technology cannot be separated from Information and Communication Technology (ICT) that has been infiltrated to human activities nowadays. Internet and mobile phone technologies in Indonesia have become new major needs. Indonesian Government and some institutions have tried to use these technologies in healthcare services in some remote areas. However, some obstacles have been found in the implementation of the technologies such as inadequate ICT infrastructure and lack of policies about healthcare for remote areas. The study was conducted to obtain the recent status of the telehealth in Indonesia to develop a simple and proper mobile application.  A literature study was conducted by collecting relevant information such as reports, regulations and policies released by the Indonesia Government regarding the healthcare infrastructures and latest technology used for telehealth. In addition, updated information from various institutions was also collected. The study reveals that there has been a gradual increase in the number of healthcare infrastructures in some remote areas in Indonesia. The number of ICT infrastructures is also expected to increase every year to facilitate communities in remote areas to be connected with others. Therefore, a mobile model of telehealth using text message services would be designed as a development model based on previous models that have been designed by some researchers.

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