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Articles

PEMBELAJARAN MATEMATIKA BERBASIS-MASALAH YANG MENGHADIRKAN KECERDASAN EMOSIONAL Ibrahim, Ibrahim
Infinity Journal Vol 1, No 1 (2012): Volume 1 Number 1, Infinity
Publisher : STKIP Siliwangi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (713.932 KB) | DOI: 10.22460/infinity.v1i1.6

Abstract

Problem-based learning in the context of mathematics learning is a math learning strategies in the classroom with activities solve mathematical problems so that students can construct mathematical knowledge by himself. In connection with the efforts to achieve the learning objectives of mathematics through problem-based learning, of course, requires students to use the potential optimally. Meanwhile, to create mathematical learning process with the use of students potential optimally, then the emotional intelligence of the students need to be a concern. Emotional considerations in mathematics learning in particular may be a bit much help in receiving math, in the middle of contention that still believed by most students, that math is a difficult subject. Thus, the presence of emotional intelligence can be seen as aspects to consider, it can even be used as the basis for follow-problem-based learning process well so that the achievement of mathematics learning in their entirety.
KARAKTERISTIK RESPON TIKUS TERHADAP ALAT PENGHASILGELOMBANG ULTRASONIK BERBASIS ARDUINO UNO Ibrahim, Ibrahim; S, Abd Hakim
EINSTEIN e-JOURNAL Vol 6, No 3 (2018): EINSTEIN e-JOURNAL
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/einstein.v6i3.12112

Abstract

Telah dilakukan penelitian yang berjudul karakteristik respon tikus terhadap alat penghasil gelombang ultrasonik berbasis Arduino Uno dengan tujuan untuk mengkarakteristikan respon tikus terhadap frekuensi ultrasonik. Alat tersebut didesain dengan dua bagian pokok perangkat, yakni perangkat lunak dan perangkat keras. Perangkat lunak terdiri dari sistem pemrograman arduino. Prinsip kerja alat diawali dengan memilih frekuensi melalui penekanan push button. Kemudian Arduino Uno akan memproses data dengan sistem PWM (Pulse Width Modullation) dan meneruskannya ke IC 386. Gelombang output yang amplitudonya sudah dikuatkan hingga 200 x penguatan kemudian dipancarkan melalui piezzo super  tweeter. Hasil analisis  yang diperoleh besar frekuensi yang mampu mempengaruhi tikus adalah 40 KHz, 50KHz dan 60 KHz pada jarak 2 meter dengan lama pemaparan selama 10 menit, dan frekuensi efisien untuk mengusik tikus adalah 60 KHz.Kata Kunci : Arduino Uno, IC 386, Frekuensi, Tikus
ANALISIS RASIO KEUANGAN PADA PT. PLN (PERSERO) AREA PENYALURAN DAN PENGATUR BEBAN SISTEM SUL-SEL Ibrahim, Ibrahim
AKMEN Jurnal Ilmiah Vol 8 No 3 (2011): AKMEN Jurnal Ilmiah
Publisher : AKMEN Jurnal Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (677.463 KB)

Abstract

This study aims to determine the financial ratios on the PT. PLN (Persero) and the Regulatory Burden Area Distribution System Sulawesi Selatan for the years 2006-2010. This study uses secondary data in the form of corporate financial statements from 2006 to 2010. The results showed that: the analysis of liquidity ratio from the year 2006 - 2010 is known that the ability of the company PT. PLN (Persero) Distribution Area and Regulatory Burden-Sul System Cells in short-term debt has increased despite a decrease drasti in 2008. Lending rate indicated by the ratio laverage in recent years has decreased the impact on the company's activities so that a loss on the idea of 2009. Profitability is not so great especially in 2009 which led to declining investment losses as seen in Return on the investments.
PENGARUH LATIHAN JUGGLING TERHADAP KEMAMPUAN MENGONTROL BOLA DALAM PERMAINAN SEPAK BOLA PADA CLUB BOCA JONIOR SAUSU Ibrahim, Ibrahim
Tadulako Journal Sport Sciences And Physical Education Vol 1, No 5 (2013)
Publisher : Tadulako University

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Abstract

ABSTRAKTujuan penelitian ini adalah Untuk Mengetahui pengaruh latihan Jugglingterhadap kemampuan mengontrol bola dalam permainan sepakbola pada ClubBoca Junior Sausu.Penelitian yang digunakan dalam penelitian ini adalahpenelitian pre-test (tes awal) dan post-test (tes akhir) yang bersifateksperiman.Lokasi Penelitian adalah di Lapangan Sausu Trans.Penelitianmengumpulkan data dari 12 siswa sebagai subjek penelitian atau sampelpenelitian.Pengumpulan data dalam penelitian ini menggukan teknik tes, jenistesnya adalah tes performance/perbuatan yang merupakan tes kemampuanmengontrol bola dalam permainan sepakbola .Berdasarkan analisa dengan tehnikstatistic deskriptif,bahwa untuk tes latihan juggling diperoleh perhitungan yaituthitung sebesar 20,284 dengan ttabel dengan taraf signifikasi 5% d.b = (N-1) (12-1)=11 sebesar 2,201.Jadi thitung lebih besar dari pada ttabel atau thitung = 20,284 > ttabel =2,201.Dengan demikian,HO dItolak dan ha diterima,ini berarti bahwa hipotesisyang menyatakan ada pengaruh yang signifikan (berarti), antara latihan jugglingterhadap kemampuan mengontrol bola dalam permainan sepakbola dapatditerima.Kesimpulan dalam penelitian ini,bahwa latihan juggling dapatmeningkatkan kemampuan mengontrol bola dalam permainan sepakbola padaclub boca junior sausu.Kata Kunci: Latihan Juggling, Kemampuan Mengontrol Bola, Sepakbola.
PENGARUH KECERDASAN EMOSIONAL TERHADAP RGANIZATIONAL CITIZENSHIP BEHAVIORD DAN DAMPAKNYA PADA KINERJA PERAWAT RUMAH SAKIT UMUM ANUTAPURA & RUMAH SAKIT UNDATA PALU Ibrahim, Ibrahim
Katalogis Vol 1, No 1 (2013)
Publisher : Katalogis

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Abstract

The objectives of this research are to know and analyze: (1) the effect of emotional quotient on organizational citizenship behavior of nurse?s at Anutapura Public Hospital and Undata Hospital, (2) the effect of organizational citizenship behavior on nurse?s performance, (3) the effect of emotional quotient on nurse?s performance, (4) the difference of emotional quotient, organizational citizenship behavior, and performance between nurse?s at Anutapura Public Hospital and Undata Hospital. This is an explanatory research that examines relationships among investigated variables involving 157 nurses who have been selected using proportional random sampling technique. Based on the result of Structural Equation Modeling (SEM), it shows that: (1) emotional quotient performs significant effect on organizational citizenship behavior of nurse?s at Anutapura Public Hospital and Undata Hospital, (2) organizational citizenship behavior performs significant effect on nurse?s performance at Anutapura Public Hospital and Undata Hospital, (3) emotional quotient performs significant effect on nurse?s performance at Anutupura Public Hospital and Undatu Hospital. In addition, based on the result of independent sample T-test, it shows that: (1) there are significant differences of emotional quotient and organizational citizenship behavior between nurse's at Anutapura Public Hospital and Undata Hospital, (2) there is no significant difference of performance between nurses at Anutapura Public Hospital and Undata Hospital.
DAMPAK PELAKSANAAN ACFTA TERHADAP PERDAGANGAN INTERNASIONAL INDONESIA Ibrahim, Ibrahim; Permata, Meily Ika; Ari Wibowo, Wahyu
Buletin Ekonomi Moneter dan Perbankan Vol 13 No 1 (2010): JULY 2010
Publisher : Bank Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21098/bemp.v13i1.254

Abstract

This study analyze the impact of the implementation of trade agreements within the framework of ACFTA on Indonesia»s export by using the GTAP model; a Multi Regional Computable General Equilibrium Model. Results shows that ACFTA provide opportunities for increased export from Indonesia; Indonesia obtained a net trade creation of international trade amounted to 2% and total exports growth increased by 1.8. However, the export performance of Indonesia in the period showed a decrease of competitiveness, as shown by the decline in share of Indonesian export commodities which are highly competitive and high intra-industry linkage. This paper also find that because the commodity structure of China and the non compeeting behavior of ASEAN countries including Indonesia (tends to complement), China is relatively easier to penetrate export to the ASEAN market. The entering products from China should provide opportunities for domestic producers to increase production capacity in ASEAN, due to wider choice of relatively cheap capital goods imports.JEL Classification: C67, F14, R12Keywords: ACFTA, trade, export, GTAP, Revealed Comparative Advantage, CGE.
PENGARUH DINAMIKA PENAWARAN DAN PERMINTAAN VALAS Sugeng, Sugeng; Nugroho, M. Noor; Ibrahim, Ibrahim; Yanfitri, Yanfitri
Buletin Ekonomi Moneter dan Perbankan Vol 12 No 3 (2010): JANUARY 2010
Publisher : Bank Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21098/bemp.v12i3.245

Abstract

This study examines the influence of forex demand and supply interaction on Rupiah's exchange rate. Estimation results show that the movement of rupiah is influenced by the forex supply and demand, where the foreign players are dominating. Furthermore, the demand and supply of foreign exchange is asymmetric.This paper also shows the impact of exchange rate movements on output is only in the short term with a more significant influence to the import, while the depreciation of Rupiah has a larger impact than its appreciation.Keywords:Foreign exchange, inflation, exchange rate.JEL Classification: E31, F31
STABILISASI TANAH LEMPUNG DENGAN BAHAN ADITIF FLY ASH SEBAGAI LAPISAN PONDASI DASAR JALAN (SUBGRADE) Ibrahim, Ibrahim
PILAR Vol 10, No 1 (2014): PILAR 10032014
Publisher : PILAR

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Abstract

Some road construction in Indonesia built on expansive clay soil. Strong support is strongly influenced clay water content, in a dry state has a strong support and high in saturated state will have a strong low carrying capacity. Water content will affect the nature of the flower shrinkage and shear strength parameters of soil. Construction of roads built on clay soil often damaged, eg cracked or bumpy roads would be damaged so that road before reaching the age of the plan. To overcome the problems of the clay where the strong supporting affected by water content, one alternative be repaired by means of stabilization. This study analyzes the behavior of clay in the area of Tanjung Api Spinner - fire, get maximum soil density and optimum moisture content with the addition of fly ash (coal) 2.5%, 5%, 7.5%, 10% and 12.5%, then tested in the form of nature - the nature of the soil, the California Bearing Ratio (CBR) and unconfined compression(compressive streng this free). The results, according to the AASHTO classification including group A-7-6. The addition of fly ash will cause the properties of the soil liquid limit (LL) decreased with plastic limit (PL) decreased so that the plasticity index (PI) decreased, then the percentage of grains resulting in the fine fraction decreases with increasing clay gradation. The addition of fly ash will be working actively on the CBR test. It can be concluded that the fly ash work filling and covering the pores - pore soil thereby increasing soil kekedapan to the addition of water and increase soil strengthatsaturationwithoutchangingthephysicalpropertiesofsoil.
STABILISASI TANAH LEMPUNG DENGAN BAHAN KIMIA ASAM FOSFAT SEBAGAI LAPISAN FONDASI JALAN Ibrahim, Ibrahim; Hasan, Arfan; Yuniar, Yuniar
PILAR Vol 8, No 1 (2013): PILAR 08032012
Publisher : PILAR

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Abstract

Land is a part of the most structure as a foundation  that supporting the construction above it. The quality and durability of a construction can’t be separated from the nature of soil, some of them may cause problems.  These problems usually occurred because of the unstable soil condition. The settlement that have done so far is to fix the top layer of the road but it doesn’t solve the problem cause unstable road not only the structure on the road but also on the subgrade. The repair on the soft subgrade  cause water content can be done with stabilization. This research is analyze about behavior of clays  from Soekarno-Hatta Palembang which obtained  the density soil maximum and water content optimum with acid phosphate increment as 0% , 2.5% ,  5% , 7.5% , 10% and 12.5% of the land, and then do testing of index properties soil and California Bearing Ratio (CBR) test. From the research according to Unifed Soil Classification System (USCS) these soil at this area is included in the OH category, while according to American Association of State Highway an Transportation Officials (AASHTO) these soil is included in the A-7-5 category. The mixture soil with increment acid phosphate than original soil are showed that the liquid limid (LL) and plastic limid (PL) has decreased, it’s mean index plastic (IP) tended to decrease. CBR value with increament of additive tend to increase and attain a peak increase from 7.5% while 10% and 12.5 % decrease.
STABILISASI TANAH LEMPUNG DENGAN PENAMBAHAN LIMBAH SAWIT TERHADAP NILAI CALIFORNIA BEARING RATIO Ibrahim, Ibrahim
PILAR Vol 9, No 2 (2013): PILAR 09092013
Publisher : PILAR

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Abstract

Soil material that is very influential in the construction work, as an area of land will not have the same properties with other regions. Most areas in Indonesia, especially the city of Palembang on soft ground. Two main problems in soft soil is a huge drop and land carrying capacity is small. Strong bearing clays is strongly influenced by the water content, which when dry soil conditions have a strong high capacity and soil saturation conditions will have a lower carrying capacity. Large volume changes which can harm the soil so that the buildings need serious treatment. One soil improvement efforts is by using the additive stabilization of solid waste palm kernel. In this study the soil to be stabilized is clay derived from the Tanjung Api-Api, with the addition of the percentage of additive variation of solid waste palm kernel at 2.5%, 5%, 7.5%, 10% and 12.5% . The testing performed is testing soil physical properties (water content, grain grading, soil density, hydrometer analysis and Atterberg limits), and testing of mechanical properties of soil ie CBR (California Bearing Ratio). Percentage obtained in the research process LL value (65.19%) PL (34.90%) and IP (30.29%) while the percentage of the value of the fine fraction sieving size <0.075 mm (93.685%), and the size of the coarse fraction .0.075 mm (1.53%). Results of each percentage value according to the classification system USCS (Unified soil classification system) is included in the clay soil classification group OH ie organic clay with high plasticity to moderate. The addition of the additive causes soil properties LL (liquid limit) PL (plastic limit) increases so that IP (plasticity index) increases. The addition of the additive will affect the percentage of the value of the soaked and unsoaked CBR test. CBR value increased 7.5% and the percentage decrease in the percentage of 10% and 12.5%.
Co-Authors A.N, Muhammad Dienda Abdul Rahim Abdullah Abdullah Abdullah, Ibrahim Abdullah, M Zen Achmad Basuki Achmad Djunaidi Achmad, M Daus Afriantoni Afriantoni Agam, Surya Ahri, Reza Aril Akib, Muhaiminah Akmal, Nurul Akmal, Nurul Al Mawardi Alfah, Rina Alisyahbana, Takdir Almukarramah, Almukarramah AM, Junadi Amalia, Ema Amir Syarifuddin Amiruddin Amiruddin Andi Alimuddin Unde, Andi Alimuddin Angkoro, Dadal Arfan Hasan Ari Wibowo, Wahyu Ari, Hidayah Dhini Arifin Ahmad, Arifin Arya Wijaya, Arya Asmawi, Moch. Astharini, Dwi Auliya Rahman Awang, Mohd Isha Azwardi Azwardi Azwir Azwir Baihaqi Baihaqi Bedriati Ibrahim bt Yusoff, Nurahimah Bunyamin, Bachrum Butarbutar, Tunggul Darmayanti, N .W. S. Dewati, Wahyu Djufri Djufri Don, Yahya Dwi Haryadi Eko Sakti Pramukantoro, Eko Sakti Enny Kusumastuti, Enny Fadhli, Rudi Filissa Thilfani Haryono, Filissa Thilfani Fitri Oviyanti Fitri Sukmawati, Fitri Fitri, Rahma Si Fitri, Yan Gani, Fauzi Abdul Ginting, Immanuel Grace, Melva Viva Gunawan Gunawan Haeruddin Haeruddin Hafid, Iss Savitri Hanifah, Erika sandra nor Harun, Darwin Hasni Hasni Helmy Alian Heriyanti Heriyanti, Heriyanti herlina, andika Herman Herman Husain, Balqis Hutagalung, Jefri Ika Sulianti Ikhsan, Lainul Ilham Maulana Imam Santoso Iman Hidayat INDRA HERMAWAN Intan, Syarifah Keumala Irwansyah, Abdullah Irwansyah, Abdullah Iskandar Iskandar Ismail Suardi Wekke Iswandi Idris Iwan Tanjung Sutarna, Iwan Tanjung Kamaluddin Kamaluddin Karnilawati Karnilawati Kassaming, Kassaming Khairulyadi, Khairulyadi Khosiah Khosiah, Khosiah Kosim Kosim Kristi Agust, Kristi Kusprapti, Almaidah Sri lasmi, Sulasmi Linda Sekar Utami, Linda Sekar Listiani Listiani M Hasbi Mail, Abdul Malik, Rahmania Mardjoko Idris, Mardjoko Marwan Marwan Marwan,, Marwan, Mas'ad, Mas'ad Mas,ad, Mas,ad Masad, Masad Muhaimin Ramdja, Muhaimin Muhajirin Muhajirin Muhammad Baiquni Muhammad Farid Muhammad Reza Muhammad Ridha Muhammad Syahrul Kahar, Muhammad Syahrul Muttaqien, Zedi Nanang Wahyudin Nasrullah Nasrullah Nasution, Zainuddin Nova M, Try Viananda Novia, Vino Rika Nugroho, M. Noor Nurbaeti Nurbaeti Nurdan, Nurdan Nurlina Nurlina Pabalik, Dg Padli, Marwan Patmawati Patmawati, Patmawati Permata, Meily Ika Pristianto, Hendrik Rahman, Mujibul Rahmatia, Suci Ramadzan, Isfan Razali Razali Regen, Rona Ridhwan, M Rusdi Nur Rusdi, Achmad RUSIRAWAN, DANI S, Abd Hakim Said Abdullah Said Hasan Saini, Makmur Saleh, Anis Saleh, Firman Saleh, Masagus Irsan Samijayani, Octarina Nur Samsuduha, Andi Saputra, Muammar Saragih, Yuliarman Saripin, Saripin Sattar Sattar, Sattar Sawaludin, Sawaludin Septiyani, Vita Nur Setiadi Setiadi Sipayung, Maurit Sri Rejeki Su Ritohardoyo Subrianto, A. Sufardi Sufardi Sufriadi Sufriadi, Sufriadi Sugeng Sugeng sujud sujud, sujud Sukmawati Sukmawati Sulaiman, Iman susi yanti Suzanalisa Suzanalisa, Suzanalisa Syah, Sri Rahayu Syah Rahayu Syahrinudin, Syahrinudin Syahyadi, Rizal Syaifuddin Syaifuddin Taslim Taslim Tastin Tastin, Tastin Teguh Prakoso Tri Winarno Tugiman Tugiman Viva, Melva Wahjuni Hartati Wibowo, Wahyu Ari Winarto, Rahman Yanfitri, Yanfitri yunardi, yunardi Yuniar Yuniar Yusri Yusuf Yusuf, Arif Nazaruddin