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Articles

PEMGEMBANGAN APLIKASI BIBTEX UNTUK PENYIMPANAN INFORMASI BIBLIOGRAFI

Jurnal Ilmiah Informatika Komputer Vol 11, No 1 (2006)
Publisher : Universitas Gunadarma

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Abstract

Kegiatan penelitian membutuhkan informasi yang banyak. Informasi dibutuhkan untuk mengikuti perkembangan penelitian sejenis yang telah dilakukan, sehingga tidak terjadi penelitian yang berulang-ulang untuk masalah yang sama. Di dalam melakukan pencarian informasi tersebut yang berasal dari Indonesia sangatlah jarang. Walaupun telah ada yang menyediakannya tetapi bersifat internasional. Penelitian ini dilakukan untuk mengembangkan suatu aplikasi web yang dapat menyimpan informasi bibliografi dalam sebuah berkas yang berformat bibtex. Di dalam aplikasi web tersebut terdapat fasilitas untuk mengkonversi berkas bibtex menjadi RDF. Selain itu terdapat juga informasi mengenai bibliografi dari para penulis baik penulis buku maupun penulis artikel ilmiah.Kata kunci : Bibtex, XML, ZK, Java, RDF, Bibliografi

Memperbaiki Karakteristik Kompensasi Filter Pasif Dengan Menerapkan Filter Aktif

JURNAL R & B Vol 4, No 1 (2004)
Publisher : JURNAL R & B

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Abstract

The writing delivers an analysis about filter hybrid consisting passive and active filters connected in a serles, The analysis is carried out by evaluating the lnfluence of the change of a passive filter and its effect on the active power of the filter in gaining a compensation. The compensation is gained by evaluating the attenuation factors on power distribution as a rasult of a non-linier load, lt uses passive filter components and an active power filter that is connected in a series. Flnally, the compensation characteristics of a hybrid topology over 10-kVA is accomplished by doing an experiment and simulation.

Optimal Aliran Daya (OPF) Saat PLTA Dalam Kondisi Off-Line Berbasis PowerWorld_Simulation

JURNAL ILMIAH ELEKTRON Vol 2, No 2 (2010)
Publisher : JURNAL ILMIAH ELEKTRON

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Abstract

This paper determines the Optimization of electric energy generation due to off-line from some of the hydroelectric generators are interconnected with others in meeting the needs and economic burden. Use of Power world-simulation (PW-Sim) describes the condition of the system about the direction of active and reactive power flow. PW-Sim is able to simulate the actual state of the system and a large scale. Setting conditions for ON / OFF the system can be done by varying some of the plants, in order to obtain a picture of system behavior. PW-Sim can analyze the interference of short circuit, power flow, optimal power flow (OPF), economicdispatch (ED), and describe the visualization of network state in a state of overload, under voltage. Ease of PW-Sim makes a hobby of high technology that can develop the skills and knowledge in the field of power system

A Comparative Study About Cost of the Pilgrimage Characteristics-Based Rupiah and Dinar (Survey on Pt. Bank Syariah Mandiri Branch Bandung and Dinar Tauhid Bandung)

International Journal of Nusantara Islam Vol 1, No 2 (2013): International Journal of Nusantara Islam
Publisher : UIN Sunan Gunung Djati Bandung

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Abstract

Hajj is obligatory for Muslims who are able, physically, mentally, and materially. Trend of pilgrims making the Hajj pilgrimage from year to year increase. Due to capacity limitations in Mecca that makes every country of the quota number of people who can perform the pilgrimage every year. Because currencies are pilgrims Indonesia Rupiah (paper money not based on gold / fiat money), then the Hajj planning to use the money amount in at least two uncertainties, the factors of inflation and exchange rate factors (exchange rate). Because these two factors the cost of the pilgrimage (ONH) has a tendency to increase every year, up from year to year. increases in the cost of the pilgrimage can be a very significant amount. To fulfill the ONH is one way to save money both in rupiah in PT. Bank Syariah Mandiri Branch Bandung or even saving dinar (4.25 grams of 22 carat gold) in Dinar Tauhid Bandung. This study aims to determine the operating system cost of the pilgrimage rupiah based in PT. Bank Syariah Mandiri, operating system cost of pilgrimage Dinar based in Dinar Tauhid Bandung, and the comparison of operating system-based cost of pilgrimage rupiah in PT. Bank Syariah Mandiri with dinar based in the Dinar Tauhid Bandung. Object of research is only one ONH, with different places, there are PT. Bank Syariah Mandiri branch of Bandung and Dinar Tauhid Bandung. In this study, use of comparative research methods. With the type of research is a qualitative study consisting of a definition of Haj savings and the savings contract is used, the mechanism of how to save money, and profit sharing. Primary data obtained from interviews with relevant parties, while the secondary data obtained from books, journals, internet and other literature.Based on the results of research that has been done shows that saving money dinar with the product more profitable m-dinar is free of ONH price inflation rise to an average of 11.21% per year, and the dinar appreciated on average toward the rupiah currency (fiat money) by 26,46% per year. Saving dinar get favorable share outcome.

ANALISIS DEBT TO EQUITY RATIO (DER) DAN TOTAL ASSETS TURNOVER (TAT) TERHADAP RETURN ON EQUITY (ROE) PADA PERUSAHAAN MANUFAKTUR SUB-SEKTOR OTOMOTIF DAN KOMPONENNYA DI BURSA EFEK INDONESIA (BEI)

TEKNIKA Vol 32, No 3 (2013): Teknika Desember 2013
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Tulisan dengan judul “Analisis DER dan TAT Terhadap ROE Pada Perusahaan Manufaktur Sub-Sektor Otomotif Dan Komponennya Di Bursa Efek Indonesia”. Merupakan Penelitian yang bertujuan untuk mengetahui dan menganalisis Debt to Equity Ratio (DER) dan Total Assets Turnover secara simultan dan parsial terhadap Return On Equiity (ROE) pada perusahaan manufaktur sub-sektor otomotif dan komponennya di Bursa Efek Indonesia. Didalam Penelitian ini, peneliti menggunakan dua teknik pengumpulan data yaitu tahap observasi non partisipant dengan cara mengumpulkan dokumen-dokumen berupa data rasio keuangan dan laporan keuangan perusahaan yang terdaftar di BEI, serta dengan cara teknik pengumpulan data pendukung berupa penelitian terdahulu. Data yang digunakan adalah data sekunder berupa laporan keuangan perusahaan manufaktur sub-sektor otomotif dan komponennya di Bursa Efek Indonesia mulai dari periode tahun 2009 sampai dengan tahun 2011. Metode analisis yang digunakan adalah analisis kuantitatif berupa analisis keuangan dan analisis statistik yang terdiri dari uji regresi linier berganda, uji koefisien determinasi, uji korelasi, dan uji hipotesis. Hasil penelitian adalah tidak ada pengaruh yang signifikan antara Debt to Equity Ratio (DER) dan Total Assets Turnover (TAT) baik secara simultan maupun parsial terhadap Return On Equity (ROE).

Indonesian Economic Structure: An Analysis of Temporal Leontief Inverse

Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 16, No 1 (2015): JEP Juni 2015
Publisher : Universitas Muhammdaiyah Surakarta

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Abstract

This study aims to analyze the Indonesia economic structure with employing the temporal Leontief inverse which was developed by Sonis and Hewings (1998) on 1975-2005 Indonesia’s input-output tables. In the first stage, this study investigates how the manufacturing industries in driving the Indonesian economy during structural changes. In the second stage, this study examines the structural changes of the manufacturing industries, which can explain the trends in individual industry balance in the context of the economic system. Based on the analysis, this study can trace how each year’s change contributes to the total impact in gross output change.

PENGARUH MOTIVASI BELAJAR DAN DISIPLIN BELAJAR TERHADAP PRESTASI BELAJAR IPS SISWA

Jurnal Pedagogik Vol 3, No 6 (2015): Jurnal Pedagogi
Publisher : Jurnal Pedagogik

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Abstract

Problems in this research were achievement in social learning, motivation to learn, and discipline study on fifth grade student of elementary school in west kotaagung at 2014/2015. The purpose of this research was to describe influence between learning motivation and academic achievement, influence between discipline study and achievement in social learning and influence between learning motivation and discipline study and achievement in social learning. The sample in this study were 84 students. The results showed that (1) there is positive and significant correlation between motivation toward learning achievement in social learning with a correlation coefficient of 0.95; (2) there is positive and significant correlation between the discipline of learning achievement in social learning with a correlation coefficient of 0.98; (3) there is a positive and significant pengaruf between learning motivation and discipline to learn together with the achievement of social studies with a correlation coefficient of 0.82.Masalah penelitian ini adalah prestasi belajar IPS yang masih rendah, motivasi belajar yang rendah dan disiplin yang masih rendah pada siswa kelas V SD Negeri di Kecamatan Kotaagung Barat Tahun Pelajaran 2014/2015. Tujuan penelitian ini untuk mendeskripsikan pengaruh antara motivasi belajar dengan Prestasi belajar IPS, pengaruh antara disiplin belajar dengan prestasi belajar IPS dan pengaruh antara motivasi belajar dan disiplin belajar secara bersama-sama terhadap prestasi belajar IPS. Sampel dalam penelitian ini sebanyak 84 siswa. Hasil penelitian ini menunjukkan bahwa (1) terdapat pengaruh positif dan signifikan antara motivasi belajar terhadap prestasi belajar IPS dengan koefisien korelasi sebesar 0,95. (2) terdapat pengaruh positif dan signifikan antara disiplin terhadap prestasi belajar IPS dengan koefisien korelasi sebesar 0,98. (3) terdapat pengaruh positif dan signifikan antara motivasi belajar dan disiplin belajar secara bersama-sama dengan prestasi belajar IPS dengan koefisien korelasi sebesar 0,82.Kata kunci: motivasi belajar, disiplin belajar, prestasi belajar.

TORTUOSITAS PADA MODEL 3D BATUAN BERPORI

Jurnal Spektra Vol 15, No 2 (2014): Spektra: Jurnal Fisika dan Aplikasinya
Publisher : Jurnal Spektra

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Abstract

Telah dilakukan perhitungan tortuositas dalam model 3D batuan berpori. Model 3D batuan berpori ini dibentuk oleh butiran bola yang didistribusikan secara acak, untuk melihat pengaruh distribusi tersebut terhadap nilai porositas (ϕ)dan tortuositas (τ). Perhitungan dibatasi pada model dengan porositas 10%, 15% dan 20% serta ukuran jari-jari butiran bola dalam rentang 5-10, 10-15, dan 15-20 (dalam ukuran pixel). Diperoleh hasil perhitungan untuk : 1) Porositas 10% dengan jari-jari butir seperti disebutkan sebelumnya, nilai tortuositas secara berurutan yaitu τ = 2,127±0,846, τ = 1,669±0,610 dan τ = 1,732±0,371; 2) Porositas 15%, nilai tortuositas secara berurutan yaitu τ = 1,542±0,266, τ = 1,477±0,231 dan τ =1,359±0,232; 3) Porositas 20%, nilai tortuositas secara berurutan yaitu τ = 1,806±0,493, τ = 1,708±0,502 dan τ = 1,536±0,582. Terlihat bahwa untuk porositas yang sama dengan jari-jari butir yang berbeda akan menghasilkan nilai tortuositas yang berbeda. Hal tersebut bisa terjadi karena pengaruh distribusi acak butiran. Nilai tortuositas paling tinggi berdasarkan hasil diatas adalah τ = 2,12 sedangkan menurut asumsi dalam persamaan Kozeny-Carman untuk menghitung permeabilitas bernilai τ = 2,5 untuk semua nilai porositas. Sehingga nilai tortuositas yang dianggap konstan untuk semua nilai porositas perlu dipertimbangkan kembali penggunaannya jika dilihat dari hasil perhitungan tortuositas pada model 3D batuan berpori ini. Kata kunci: Jari-jari butiran, Tortuositas, Perumusan Kozeny-Carman, Model 3D batuan berpori

Purwarupa Pembersih Pipa Otomatis (Automatic Tube Remover) pada Heat Exchanger Menggunakan Teknik Pengolahan Citra

Jurnal Rekayasa Elektrika Vol 11, No 4 (2015)
Publisher : Universitas Syiah Kuala

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Abstract

In the industry era, especially the oil processing industry, the heat exchanger is needed to regulate temperature and produce oil products such as petroleum, kerosene and diesel fuel. In the operation, the heat exchanger requires maintenance, especially when the minor unit is shut down or stop and routine reparation. Maintenance is done by replacing the tubesheet that commonly referred to as bundle retube where there are pipe fritter to be cleaned, which are cutted at the time of maintenance. This maintenance is typically done in manual approach, which is not efficient in terms of time. For a more efficient maintanence, this paper proposes a prototype design to discard these pipes fritter by utilizing image processing method for detecting the edge of the circle and the position of the pipe fritter. Based on the experiments, it has been obtained that the test circle radius that can be captured is at 4 to 10 pixels. The longest time for positioning was 2.41 minutes and the whole process of disposal of this pipeline reaches 47.92 %.

Motivation, Job Satisfaction and Job Performance of Forestry Extension Workers in Cianjur District West Java Province

Jurnal Penyuluhan Vol 11, No 1 (2015): Jurnal Penyuluhan
Publisher : IPB

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Abstract

Performance of forestry extension workers would contribute to the achievement of extension goals. The study aims to find performance of forestry extension workers in relations to their profile, motivation and job satisfaction. The data collection was carried out from March to April 2014 using questionnaires, interviews, observation and literature study. The data obtained were tabulated and analyzed using Pearson correlation. The results showed: (1) most of the forestry extension in Cianjur District has older age categories, has a long working period, higher education level, and frequency of training is low, (2) the level of work motivation were high tended to moderate, work satisfaction were high, and the level of performance including the moderate categories. The results of the Pearson correlation between the motivation and job satisfaction to the performance of forestry extension in Cianjur District shows: (1) there is positive significant correlation between motivation to the performance of forestry extension workers, and (2) There is no significant correlation between the profile of forestry extension and job satisfaction to the performance of forestry extension workers.Key words: forestry extension workers, motivation, job satisfaction, job performance

Co-Authors A Abdul Jabbar Achmad Benny Mutiara Afriani Afriani Agus Rochmat Ahmad Jamli Ami Tjitraresmi, Ami Andi Pranata, Andi Anggraini, Septi Aprijani, Dwi A Aprilianti Meilinda, Aprilianti AR, Rusmin Asrul, Junaidi Bangkit Pratama, Bangkit Bhakti Yudho Suprapto Budi Yanto Husodo Chandra Irsan Dedy Juliandri Panjaitan, Dedy Juliandri Desi, Hasma deskoni, Deskoni Diah Retno Dwi Hastuti Dwi Sadono Ega Gradini Eka Warni Fachroerrozi Hoesni, Fachroerrozi Firman Setiadi, Firman Fitriani Fitriani Fitriyanti Fitriyanti Fourier D.E Latief, Fourier D.E Gerry Andrika Rismana, Gerry Andrika Hamzah, Ari. K. Hananto, Dio Kris Harahap, Afriani Harmadi Harmadi Hasmidyani, Dwi Hasmidyani, Dwi Hermawati Sholeh, Hermawati Husein, Ratna Dewi I Wayan Simri Wicaksana Ikbal Barlian, Ikbal Ilham Ilham Irianto, Gunawan Joko Santoso Juanda Juanda Juliana Juliana Kani, Kani Karang Utama, I Wayan Komang Agus Darmawan Kusuma Pratama, Eka Latief, Fourier D.E. Leni Agustina Daulay Lintang Yuniar Banowosari Madyunus Salayan, Madyunus Maria Dona Octavia Minggu, Desiderius MUHAMMAD ALI Muhammad Farhan Mujiburrahmad Mujiburrahmad Mulyana Mulyana Munzil Arief, Munzil Nasrul Nasrul Noviani, Julia Nur Aeni Hidayah Pebrina Swissia, Pebrina Prana F. L. Tobing, Prana F. L. Prapto Yudono Pulungan, M.Asadat Puri, Anita Rahayu, Dyah Sih Rahim, Abd Rahim, Farida Rahmi Dianita Rahmi, Radiati Reni Ardiyani, Reni Revi Yenti Rima Aprilia, Rima Rizka Wahyu Mulya Rosdah Thalib S, Karolus Safrizal Safrizal Sandrayati Sandrayati Sari Dewi Selly Feranie Setiawan, Aries Boedi Shanty Oktavilia Sidik, Sidik - Silalahi, Alistraja Dison Sinar, Tengku Eduard Azwar Siti Amanah Siti Fatimah SITI HERLINDA Sufandi, Unggul Utan Sugeng Juwono Mardihusodo Sukarna Wiranta, Sukarna SULISTIYANINGSIH Tiyaningsih HADISOEBROTO, SULISTIYANINGSIH Tiyaningsih Sultan Djasmi Sumadja, Wiwaha Anas Surjani Wonorahardjo, Surjani Susanto, Anang Syahma, Asmita Syaiful Anwar Syayuni, Aziza Taryono Taryono Thoha B.S Jaya, Thoha B.S Triani Adam Wida Ningsih Wildian Wildian Yudhi Gunardi Zakaria, Rahmanita Zulgani Zulgani