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Abdul Razak
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP Ã¢Â€Â“ UNS

Published : 94 Documents
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ANALISA TEKNIS INSTALASI KELISTRIKAN KAPAL MOTOR PENUMPANG SWARNA PUTRI Razak, Abdul; Firdaus, Firdaus
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The large consumption of electrical energy is usually influenced by the type of load used. Electrical loads have properties such as, resistive properties, inductive properties and capasitive properties. These properties have an impact on the electrical system that is the power factor. If the power factor is greater (active power) then the electrical system will be better result, otherwise. If the electrical system has low power factor or reactive power which will greatly affect the fuel consumption, so it is needed power factor improvement using capacitor. Electrical System of Passenger Motor Vessel Swarna Putri having a low factor that is equal to 0.619 and this research uses capacitors for power factor improvement. The result shows that the installation of capacitor causes the improvement of power factor to 0,8. The result of the calculation shows that the saving cost for energy per day decreases from Rp10,197,000 to Rp6,104,000Keywords: passenger motor vessel electricity, Power Factors, Electric Energy Consumption
EKSPERIMENTASI MODEL PEMBELAJARAN KOOPERATIF TIPE GROUP INVESTIGATION (GI) DAN THINK PAIR SHARE (TPS) DENGAN PENDEKATAN SAINTIFIK PADA MATERI RELASI DAN FUNGSI DITINJAU DARI KEMAMPUAN PENALARAN SISWA SMP NEGERI KELAS VIII DI KABUPATEN KARANGANYAR Razak, Abdul; Kusmayadi, Tri Atmojo; Riyadi, Riyadi
Jurnal Pembelajaran Matematika Vol 4, No 2 (2016): Pembelajaran Matematika
Publisher : Jurnal Pembelajaran Matematika

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Abstract: The objective of this research was to investigate the effect of learning model toward learning outcomes in mathematics viewed from the reasoning ability. The learning models of this research were cooperative learning model of the GI with scientific, the cooperative learning model of the TPS with scientific, and the classical learning with scientific.This research used the quasi experimental research method with the factorial design of 3 x 3. Its population was all of the students in Grade VIII of State Junior Secondary Schools of Karanganyar. The samples of the research were taken by using the stratified cluster random sampling technique. The samples consisted of 280 students. The instruments used to gather the data were test of learning outcomes in mathematics and test of reasoning ability. The proposed hypotheses of the research were tested by using the two-way analysis of variance with unbalanced cells. The results of the research were as follows. 1) The students instructed with GI with scientific had a better learning outcomes in mathematics than those instructed TPS with scientific and those instructed the classical learning with scientific. Furthermore, the students instructed TPS with scientific had a better learning outcomes in mathematics than those instructed the classical learning model with scientific. 2) The learning outcomes in mathematics of the students with the high and moderate reasoning ability had a better than that of the students with the low reasoning ability. In addition, the students with the high reasoning ability had the same learning outcomes in mathematics as the students with the moderate reasoning ability. 3) On model of the GI with scientific, the students with the high and low reasoning ability had the same learning outcomes in mathematics as the students with the moderate reasoning ability. Moreover, the students with the high reasoning ability had a better learning outcomes in mathematics than those the students with the low reasoning ability. On model of the TPS with scientific and the classical learning with scientific results in the same learning outcomes in each of reasoning ability. 4) The students with the high reasoning ability, GI with scientific and the classical learning with scientific results in the same learning outcomes in mathematics as TPS with scientific. Furthermore, GI with scientific results in a better learning outcomes in mathematics than the classical learning with scientific. The students with the moderate and low reasoning ability had the same learning outcomes in each of learning model.Keywords: GI with scientific, TPS with scientific, learning outcomes, reasoning ability.
KEMAMPUAN MENENTUKAN UNSUR-UNSUR INTRINSIK CERITA RAKYAT SISWA KELAS X SMA NEGERI 2 BUKIT BATU KABUPATEN BENGKALIS Kurniati, Dira; Mustafa, M. Nur; Razak, Abdul
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 5, No 1 (2018): WISUDA APRIL 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

#### Abstract

Abstract: This study discusses the ability to determine the intrinsic elements of folklore of the class X students of SMA Negeri 2 Bukit Batu Bengkalis Regency, which is analyzed with quantitative methods. In this study, there is a problem formulation that examines the level of ability to find the intrinsic elements of folklore class X students of SMA Negeri 2 Bukit Batu and the different ability levels of each class. This study aims to determine the level of ability to determine the intrinsic elements of folklore student SMAN 2 Bukit Batu. Source of the data that has been the subject of this research are the students of class X SMA Negeri 2 Bukit Batu Bengkalis Regency. The research method used is a quantitative method that describes the calculated data processed by statistical counting. Data collection techniques in this study is a questionnaire questionnaire technique. While the data analysis technique used uses statistical counting, data presentation and withdrawal of the final conclusion. The data from this study was 95 samples consisting of 24 samples from class XA, 25 samples from class XB, 25 samples from class XC and 21 samples from class XD. The aspects examined in this study are the essential elements of folklore, which consist of themes, characters, characterizations, plot, background, view, and message.Keywords: Ability to determine intrinsic elements folklore, students class X SMA 2 BukitBatu Bengkalis Regency.
PENGARUH PEMBERIAN PAKAN ORGANIK NT45 SERI I TERHADAP PERTUMBUHAN BIBIT IKAN PATIN JAMBAL (Pangasius djambal) Rizki, Zaidan; Razak, Abdul; Widiana, Rina
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

#### Abstract

ABSTRACTÂ Freshwater fish farming has become an indispensable agribusiness activities with fishmeal industry, one of which Jambal Catfish ( Pangasius djambal ). Feed the fish that have been used so far by ranchers/farmers, known as fish pellets. Feed pellet mill is easy to come by, but the feed pellets can damage the environment, because it can lead to water pollution. Additionally pellet prices continue to rise each year. In contrast to the NT45 Organic food contains bacteria that can clean water penggurai of turbidity and can fertilize with water triggers the Planton. Organic feed NT45 Series I also do not use synthetic chemicals and does not contain toxins and the price is also cheaper. Based on the background above, has done research on The Effect of Organic Feed NT45 Series I on growth of seedlings Jambal Catfish (Pangasius djambal). The purpose of this study was to observe the effect of feeding organic NT45 Series I on the growth of seedlings jambal catfish (Pangasius djambal). This study was conducted in February and March, 2013, housed in the Department of Biology FIMPA Ecology Laboratory, State University of West Sumatra Padang. This study is an experimental study. This study was designed with RAL (completely randomized design) with 4 treatments and 6 replications. The sample in this study is Jambal Catfish (Pangasius djambal) aged 8 weeks. The parameters measured were the length of the total, the length and weight of fish standards. Data analysis was performed with Variety Analysis and Test followed by Least Significant Difference (LSD) at Î± 5 %. The results showed that the organic feed NT45 Series I have a positive influence on the growth of seedlings Jambal Catfish (Pangasius djambal) both the length of the fishs body and the body weight gain Jambal Patin. Organic feed number NT45 Series I best to improve weight and body length Catfish Jambal is 3.78 g/day.Â
PHOTO-DEGRADATION OF SURFACTANT COMPOUNDS USING UV RAYS WITH ADDITION OF TIO2 CATALYSTS IN LAUNDRY WASTE Hendra, Hendra; Barlian, Eri; Razak, Abdul; Sanjaya, Hary
Sainstek : Jurnal Sains dan Teknologi Vol 7, No 1 (2015)
Publisher : IAIN Batusangkar

#### Abstract

Metode Penentuan Awal Bulan Qamariyah Jamaah Tabligh Naqsabandiyah Rahmadi, Rahmadi; Razak, Abdul
Media Akademika Vol 27, No 3 (2012)
Publisher : Media Akademika

#### Abstract

Keragaman pandangan tentang sistem penentuan awal bulan Qamariyah di kalangan umat Islam saat ini, selalu menimbulkan kebingungan di masyarakat, khususnya perbedaan penentuan hari-hari besar Islam seperti Idul Fitri dan Idul Adha karena sistem hisab dan rukyat belum begitu memasyarakat. Dan memunculkan stigma di kalangan masyarakat, kalau antara Hisab dan Rukyat merupakan dua hal yang bertolak belakang. Hal ini terutama dipicu oleh pihak-pihak yang mengeluarkan fatwa tentang waktu pelaksanaan penentuan awal ramaddhan dan hari raya. Maka tulisan ini akan membawa kita untuk mengetahui metode-metode penetapan awal-awal Ramadan dengan bulan Qamariyah yang digunakan oleh Thariqat Naqsabandiyah Baru Pauh dan efektifitas atau kekurangan metode yang digunakan dalam penentuan awal-awal Ramadan dengan bulan Qamariyah.
Syura dan Demokrasi: Persamaan dan Perbedaannya Razak, Abdul
Media Akademika Vol 25, No 3 (2010)
Publisher : Media Akademika

#### Abstract

Syura dan demokrasi adalah dua kata yang sering diperdebatkan. Ada golongan yang menolak mentah-mentah demokrasi karena dianggap asing dengan Islam. Sebagian lagi berpendapat bahwa demokrasi adalah cerminan sistem syura yang diajarkan dalam Islam dan demokrasi sesuai dengan Islam. Bahkan ada yang lebih jauh menganggap Islam itu demokrasi itu sendiri. Artikel ini berupaya melihat persamaan dan perbedaan dari dua sistem pemerintahan tersebut.
KEPEMIMPINAN MASYARAKAT ISLAM DALAM PERSPEKTIF SYIâAH Razak, Abdul
Nalar Fiqh Vol 4, No 2 (2011)
Publisher : Nalar Fiqh

#### Abstract

Uji Daya Hambat Air Perasan Buah Jeruk Nipis (Citrus aurantifolia s.) Terhadap Pertumbuhan Bakteri Staphylococcus Aureus Secara In Vitro Razak, Abdul; Djamal, Aziz; Revilla, Gusti
Jurnal Kesehatan Andalas Vol 2, No 1 (2013)
Publisher : Faculty of Medicine Andalas University