137 research outputs found
Peran Media Daring pada Konflik Sumber Daya Alam di Riau
This article discusses the role of online media in natural resource conflicts in Riau during 2016-2018. The conflict has always been at national highest position, even though there are 323 online media that should be able to accelerate conflict resolution. The research is conducted using qualitative content analysis with data from the annual report on conflict news in 2016-2018, and analyzed based on news content and media trends. The findings show that online media plays a function of conflict diminisher for economic interests. In the process, there are parties involved, namely investors, local communities, media, and the government
KEARIFAN LOKAL MASYARAKAT DESA GAMBUT DI PROVINSI RIAU
Kajian ini membahas tentang kearifan lokal pada budi daya pertanian di lima desa gambut di Riau. Di Indonesia terdapat 10,8% kawasan gambut dari luas daratan di Indonesia. Masyarakat sudah hidup di kawasan gambut sejak abad ke 3 masehi dan desa gambut di Riau sudah ada sejak abas ke 19. Dapat dipastikan bahwa kearifan lokal sudah menjadi tatanan nilai di masyarakat di kawasan gambut Indonesia, termasuk di Riau. Kajian ini merupakan kajian kualitatif dengan mengacu pada penelitian rapid etnografi, data diperoleh dengan observasi cepat, wawancara mendalam, diskusi grup terfokus dan studi perspustakaan. Informan diperoleh dari kepala desa dan tokoh masyarakat melalaui snow ball. Penelitian dilakukan di lima desa gambut di Kabupaten Pelalawan, Kabupaten Siak, Kabupaten Kepulauan Meranti dan Kabupaten Indragiri Hilir. Data dianalisis secara diskriptif menggunakan pendekatan konstruktif melalui tahapan dan kecenderungan pola data dan berdiskusi pada teori. Kajian ini melaporkan bahwa kearifan lokal di lima desa gambut berasal dari tanah mineral hulu sungai dan budaya maritim tanah aluvial, yang kemudian membentuk kearifan lokal di desa-desa tersebut;. Masyarakat tidak mengelola gambut dalam atau hanya mengelola gambut dengan kedalaman satu meter; Mata pencaharian masyarakat berbasis pencarahairan jangka panjang dan harian dengan beragam kegiatan dan komuditas misalnya sagu, kelapa, nanas, melon dan cabe, Pengelolaan kesuburan berbasis pada jenis komuditas, dan kanal dangkal; serta terdapat institusi ekonomi toke sebagai pembeli hasil pertanian masyarakat dan penyedia hutang.
Background voltage distortion and percentage of nonlinear load impacts on the harmonics produced by a group of personal computers
The penetration of nonlinear loads on power systems increases distortion levels and can cause severe problems to power systems. Many factors affect the degree of generated harmonics including the background voltage distortion and percentage of nonlinear load to the total load. Hence, the purpose of this paper is to investigate and accurately quantify the effects of these two factors on the harmonics produced by a group of Personal Computers (PCs). Experimental measurements and computer simulations are performed to confirm the observations
The New Sakai: Efforts to construct the Sakai idenity
This study is about the transformation of the Sakai tribe regarding changes in the natural, socio-economic and political environment. The Sakai tribe has blended in with the community, owning companies, and holding political as well as government positions. Sakai now is the ‘new Sakai’ that is different from the ‘old Sakai’ stereotyped as backward, stupid, and introvert. The purpose of this paper is to describe the response of the Sakai tribe towards changes through their identity construction. We used ethnography as a method and the data was obtained by living in five kebatinan. The researcher lived at the research location, observed the situation, conducted in-depth interviews and had continuous discussions with the participant to deepen their understanding of the data. The data obtained was then then analyzed descriptively by discussing Warren's theory of identity construction and adaptation theory. This study found that the Sakai people adapt significantly to changes in the natural, socio-economic and political environment. One of the sources of this adaptability comes from education, that since the reformation, the Sakai people have massively made educational efforts for their younger generation. This study concludes that every community has the ability to adapt to changes in its environment based on the knowledge possessed by that community
Tilan Island Tour in Rantau Bais Tourism Village: From Festival To Eco-tourism: Wisata Pulau Tilan di Desa Wisata Rantau Bais: Dari Festival Menuju Ekowisata
ABSTRACT:This study discussed about tourist destinations in Tilan Island, which was built under the initiative of the local youth through festival tourism. The tourist destination has been positively responded to by visitors whose number keeps increasing each year, and Kepenghuluan Rantau Bais has been recognised as a Tourism Village. Tourism in Tilan Island persistently transforms from festival tourism to regular tourism, starting from its opening every Saturday and Sunday. This study is a qualitative study that uses the ethnography method where the researcher lived for two months in Kepenghuluan Rantau Bais. The data was obtained using participative observation and in-depth interviews with an appointed informant who has a wide knowledge on tourism in Tilan Island. This research found that not all tourism potential in Tilan Island and Rokan River are explored to become tourist activities.
ABSTRAK:Studi ini membahas tentang destinasi wisata Pulau Tilan, destinasi wisata yang dibangun atas inisiatif pemuda melalui wisata festival. Destinasi wisata sudah direspon positif oleh pengunjung yang datang terus meningkat setiap tahunnya, dan diakuinya Kepenghuluan Rantau Bais sebagai desa wisata. Wisata Pulau Tilan secara bertahap bertransformasi dari wisata festival ke wisata regular dimulai dengan dibukanya wisata pada setiap hari Sabtu dan Minggu. Studi ini merupakan studi kualitatif dengan menggunakan metode etnografi dimana peneliti tinggal selama dua bulan di Kepenghuluan Rantau Bais. Teknik pengambilan data melalui observasi partisipatif dan wawancara mendalam kepada informan yang ditetapkan karena pengetahuannya tentang wisata Pulau Tilan. Penelitian ini menemukan bahwa belum semua potensi wisata di Pulau Tilan dan Sungai Rokan dieksplorasi menjadi aktivitas wisata
Studying The Dielectric and Structural Properties of Baxsr1-Xtio3 (BST) Ferroelectric System Prepared by Using Oxalic Acid Route
BaxSr1-xTiO3 (BST) ferroelectric nano, poly crystalline systems wereprocessed with three concentrations (x = 0.5, 0.7 and 0.9) using a technique knownas oxalic acid route. The XRD spectra were analyzed, and used Scherer formula toestimate the crystallite size of the products, which reached to 15.4 nm at x = 0.5. Itis found that increasing of Sr+2 cations help to decrease the crystallite size ofBaxSr1-xTiO3 system and the tetragonality c/a increases when the crystallite sizeincreases. In physical tests we conclude that the oxalic acid method is a goodmethod to prepare a BST ferroelectric phase with high density (5.05, 5.5 and 5.45)gm/cm3, and small porosity (16, 8, and11) % for (x = 0.5, 0.7 and 0.9)respectively
The Erythrocyte Sedimentation Rate is a Simple, Sensitive and Predictive Hematological Index for Non-Septic Diabetic Foot Syndrome: A Cross-Sectional Study
Objective: Several studies have found that the hematological index can be considered as a prognostic biomarker of diabetes mellitus. This study aimed to compare the level of the erythrocyte sedimentation rate (ESR) with other hematological indices as a predictive marker of non-infected diabetic foot syndrome (DFS). Materials and methods: A total of 137 patients with diabetes (53 males and 84 females) and another 30 healthy subjects (10 males and 20 females) were included in this study. The participants were grouped into Group I (healthy subjects, n = 30); Group II (n = 72, type 2 diabetes without clinical evidence of DFS features); and Group III (n = 65, type 2 diabetes with clinical evidence of DFS features (grade 0–2). Hematological indices were determined by a hematology autoanalyzer. Results: The serum fasting glucose levels were significantly higher among Group III patients compared with Groups I and II. The value of ESR was significantly higher among Group III patients compared with Group II. The ESR and red distribution width (RDW) values increased in tandem with the DFS upgrade. The area under the curve (AUC) of the ESR at a cutoff value of 18 mm/hour was 0.663 with 95% confidence intervals of 0.571–0.755, which was significantly (p < 0.001) higher than the AUC of RDW, platelet distribution width, mean platelet volume, and plateletcrit. Also, the area under the curve of the ESR increased as the upgrading of DFS increased. Conclusions: We conclude that determination of ESR serves as a predictor and discriminator of DFS and its upgrading.
Addendum: Abubakar, U.; Mekhilef, S.; Mokhlis, H.; Seyedmahmoudian, M.; Horan, B.; Stojcevski, A.; Bassi, H.; Rawa, M.J.H. Transient Faults in Wind Energy Conversion Systems: Analysis, Modelling Methodologies and Remedies. Energies 2018, 11, 2249
The authors would like to make the following addition to their paper [...
Adaptasi Masyarakat Siak Terhadap Perubahan Ekologinya
This study described adaptation options in 4 villages in the Siak sub-district, Siak Sri Indrapura district, Riau province. Since the beginning of the reformation, Siak Sri Indrapura district was established which was expanded of Bengkalis district. Simultaneously also present there are plantation forest industries, oil palm plantations, immigration and urban development. This study is a qualitative study with a social history approach. The research was conducted from July 2022 to December 2020. Data was obtained through observation, in-depth interviews and FGDs at the village and Siak sub-district levels. Data were analyzed using a taxonomic analysis approach, the results of the analysis were written descriptively. The results of this study found that the presented of the Siak Sri Indrapura district, the plantation forest industry and the plantation industry as well as migrants caused the community to be uprooted from their agrarian economic culture. To be able to survive, the community carries out a long-term adaptation process through the transfer of sources of livelihood from agriculture to urban services and seizes the remnants of the urban economy and education. This study concludes that the pressure of ecological change forces people to adapt according to the resources they have. This study strengthens Bennett's adaptation theory that the adaptability of society does not exceed the resources they have.Key Word : Adaptation, Agriculture, Urban Services, Siak Community
An Efficient Scheme for Determining the Power Loss in Wind-PV Based on Deep Learning
Power loss is a bottleneck in every power system and it has been in focus of majority of the researchers and industry. This paper proposes a new method for determining the power loss in wind-solar power system based on deep learning. The main idea of the proposed scheme is to freeze the feature extraction
layer of the deep Boltzmann network and deploy deep learning training model as the source model. The
sample data with closer distribution with the data under consideration is selected by defining the maximum mean discrepancy contribution coefficient. The power loss calculation model is developed by configuring the deep neural network through the sample data. The deep learning model is deployed to simulate the non-linear mapping relationship between the load data, power supply data, bus voltage data and the grid loss rate during power grid operation. The proposed algorithm is applied to an actual power grid to evaluate its effectiveness. Simulation results show that the proposed algorithm effectively improved the system performance in terms of accuracy, fault tolerance, nonlinear fitting and timeliness as compared with existing schemes.publishedVersio
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