Karakteristik Gelombang Stoneley Dalam Menentukan Permeabilitas Reservoir Sumur Pemboran

In-situ permeability is an important factor in determining whether an economical drilling oil wells to be mined. Therefore, the calculation in determining the true value of permeability with an attempt to take a further decision, whether the industry is continued or not. Research through study literature is obtained a mathematical modeling from Matheu and Toksoz's work which contains the components of acoustic wavesattenuation factor and rock permeability factor. Furthermore, by combining some of the concepts and theories, mathematical models are used for acoustic field data logs and other data which are required to get permeability. Data from the acoustic log is analyzed to determine the time delay for P, S and Stoneley waves, then determination of the speed, frequency and attenuation factor, especially for wave Stoneley. In this permeability calculations, it is assumed that the condition of the rock formations in the area of measurement is a permeable rock and contains fractures. The results show that the permeability in measurement area at a depth position indicates suitable with the data of rock state

Sistem Pendukung Keputusan untuk Menentukan Pengangkatan Karyawan Menggunakan Metode Profile Matching

Dalam pengangkatan SDM perlu adanya penilaian – penilaian untuk mengetahui layak atau tidaknya SDM tersebut bekerja pada Perusahaan. Koperasi kredit sejahtera memiliki standar penilaian berupa kehadiran yang memiliki prosentasi terbesar yaitu 30%, kerajinan 25%, perilaku 25% dan cepat tanggap dalam pekerjaanya 20%. Metode yang di pakai dalam sistem pendukung keputusan ini adalah profile matching, dimana hasil akhir dari proses profile matching adalah ranking dari karyawan kontrak yang akan diangkat menjadi karyawan tetap. Dalam penelitian ini penulis melakukan pembatasan nilai yang harus dicapai oleh setiap karyawan, dimana jika hasil akhir > 3 maka karyawan tersebut layak diangkat menjadi karyawan tetap sedangkan jika hasil akhir < 3 maka karyawan tersebut belum layak diangkat menjadi karyawan tetap. Dari hasil uji coba didapatkan bahwa hanya ada 1 karyawan yang tidak layak umtuk diangkat menjadi karyawan tetap

Pengaruh Kinerja Penambahan Karet Ban Bekas Sebagai Substitusi Pengganti Campuran Beraspal Daur Ulang Pada Lapis Permukaan Atas

Method of pavement recycling is an alternative technology in pavement construction and maintenance of roads that allow the use of wastes produced by the old pavement. Therefore, researchers tried using the method of recycling by using old materials and reprocessed by adding a fluxing materials and ingredients added in the form of powder rubber tires. This research aims to restore the value of the power of the old pavement. The beginning stage of this study seek additional level of asphalt most optimal mix of recycling based on the value of maximum stability, obtained the addition of optimum bitumen content is 1%. Then, the addition of tire rubber powder ranging from 10%; 20%; 30%; 40% and 50% by replacing most of the asphalt with rubber powder tire to the addition of the most optimum bitumen content. The highest stability values that are in a mixture of 10% levels of tire rubber powder to the optimum bitumen content is 4657.3 kg, while the value of flow at a level of 10% of tire rubber powder that is 3.32mm. The increasing levels of tire rubber powder in the mix, then the Marshall Quotient value decreases, the value of the highest Quotient marshall is on the addition of tire rubber powder content of 10% of additions optimum bitumen content is 1402.8 kg / mm. Highest Density Values are at the addition of tire rubber powder content of 10% of additions optimum bitumen content of 2.300 gr / cm3. Of all the parameters indicate the presence of tire rubber powder in the mixture can increase the value of the power and flexibility of pavement

Pemanfaatan Serbuk Kaca Sebagai Bahan Tambah Agregat Halus Untuk Meningkatkan Kuat Tekan Beton

Concrete is a building which is composed by an aggregate (sand rocks), cement and water (plus the other ingredients can be additive or admixture). Much research has been done on the concrete technology to meet the needs in infrastructure development started from the street, buildings, bridges, etc. The more concrete and more widespread use of the increasing scale of development also shows the more concrete needs in the foreseeable future, thus affecting the development of concrete technology which will demand new innovations regarding the concrete itself The times in the era of globalization, this resulted in a rapid increase of the number of goods waste residu which existence can be a problem for life, one of which is the presence of household glass waste. In this regard the efforts made are the utilization of powder glass as fine aggregate additive to enhance strong press concrete. Glass powder is used as a supplement for is smooth, with the addition of different variations, it is hoped to provide strong value press the concrete which is more varied and can be determined the optimum levels of glass powder. As for the variation of the addition of powder glass used is 0 %, 25 %, 50 %, 75 %, and 100 %, with tests on a 3-day, 7-day, 14-day and 28 days. The result shows that glass powder can increase the strength of the concrete of compressive strength of concrete press 12 % normal, whereas for the optimum proportion is 25%

Pengaruh Model Pembelajaran Berbasis Masalah Dengan Metode Eksperimen Terhadap Hasil Belajar Fisika Siswa Kelas X SMAN 1 Gunungsari Kabupaten Lombok Barat Tahun Pelajaran 2014/2015

This research aims to find out the effect of problem based learning model with eksperiment method on the student's results of learning physics of grade X SMAN 1 Gunungsari regency west Lombok in academic year 2014/2015. This research is a quasi eksperiment with pretest posttest control group design. The population of this research is students of grade X SMAN 1 Gunungsari, with cluster random sampling technique was obtained students of grade X5 as the experiment group and students of grade X2 as control group. The result of learning is analized by using t-test polled varians, was obtained 9,25 for thint and 1,99 for ttable with significant 5%. Because thint > ttable, then Ho will be rejected and Ha will be accepted. So can be concluded that available effect of problem based learning model with eksperiment method on the student's results of learning physics of grade X SMAN 1 Gunungsari regency west Lombok in academic year 2014/2015

Pengaruh Model Pembelajaran Berbasis Masalah Dengan Metode Eksperimen Pada Materi Cahaya Terhadap Hasil Belajar Fisika Siswa Kelas VIII SMPN 2 Gunungsari Tahun Ajaran 2014/2015

The purpose of this study was to determine the effect of problem based learning model with experiment method of the topic light on student\u27s physics learning outcomes of SMPN 2 Gunungsari academic year 2014/2015. The design of this study used experimental research with pretest-posttest control group design. The population of this study is students of grade VIII SMPN 2 Gunungsari, with sampling was using cluster random sampling technique. The samples are the students of class VIII A as experimental class and class VIII B as control class. Data results studying by test used is polled variance t-test. The results of the analysis of hypothesis test obtained tcount= 2,71 compared with ttable = 2,.02 at the significance level of 5%. According to criteria of hypothesis testing, if tcount > ttable, then Ho is rejected and Ha accepted. It can be concluded that there are effect of problem based learning model with experiment method of the topic light on student\u27s physics learning outcomes of SMPN 2 Gunungsari academic year 2014/2015

Pengaruh Model Pembelajaran Conceptual Understanding Procedures (Cups) Berbantuan Lkpd Terhadap Kemampuan Pemecahan Masalah Fisika

This study aims to determine the effect of learning model Conceptual Understanding Procedures LKPD assisted on the ability of solving physics problems of high school students. This research is a quasi experimental research using untreated control group design with pretest and posttest. The population is all students of class XI IPA SMAN 4 Mataram. While the sampling using purposive sampling technique consisting of students class XI IPA 4 as experimental class and students of class XI IPA 1 as a control class. The problem solving capability data is obtained through a written test in the form of a description item. The result of hypothesis test analysis shows that there is influence of learning model of LKPD-assisted Conceptual Understanding Procedures toward the ability of problem solving physics

Penerapan Model Pembelajaran Problem Posing Dengan Metode Eksperimen Untuk Meningkatkan Hasil Belajar Fisika Pada Siswa Kelas VIII SMP Negeri 19 Mataram Tahun Pelajaran 2015/2016

This Classroom action research (CAR) aimed to establish strategy implementation model of problem posing learning with experiment method to increase physics learning outcome on VIII grade of SMPN 19 Mataram school year 2015/2016. This research was conducted two cycles, each consisting of two meeting that includes four phases, plan, action, observation, and reflection. The percentage ofclassical completeness learning outcomes on cognitive domain from the first cycle to the second has increased from 75.00% become 87.50% with the average value for each cycle is 72.66 and 78.28, on affective from the first cycle to the second has increased from 67.97 become 78.12 (good enough to be very good), and psychomotor domain from the first cycle to the second has increased from 12.22 become 15.58 (competent become more competent). It was concluded that to increase learning outcome, strategy implementation model of problem posing learning with experiment method namely: 1) giving the reward in the form of gifts and addition of value to student who are active, orderly, and not create a disturbance during the learning activities, 2) give attention and guidance in the form of an explanation about subject matter and learningactivities to be performed, 3) gives some examples of making the problem and explaining it in detail, and also 4) pointing at random members of each group to the presentation

Kebijakan Pendidikan Agama Islam Di Sekolah Pada Masa Orde Lama

Artikel ini mendeskripsikan kebijakan pemerintah tentang mata pelajaran Pendi-dikan Agama Islam (PAI) di sekolah negeri selama masa Orde Lama (1945-1965).Yang menjadi pertanyaan adalah bagaimana kedudukan mata pelajaran PAI disekolah negeri selama pemerintahan Orde Lama? Melalui pendekatan historisdengan analisis dokumen terhadap sejumlah kebijakan terkait, diketahui bahwadi masa Orde Lama, pendidikan agama telah ditetapkan sebagai salah satu matapelajaran yang diajarkan di sekolah negeri, sesuatu yang hanya menjadi keinginanselama masa penjajahan. Namun, selama Orde Lama kedudukan matapelajaran PAI belum kokoh karena tidak menjadi mata pelajaran wajib, bahkanorang tua siswa dan murid dewasa bisa memilih apakah anaknya atau muriddewasa tersebut akan mengikuti pelajaran agama atau tidak. Demikian pula,mata pelajaran agama tidak menentukan kenaikan kelas, dan nilai pelajaranagama tidak dalam bentuk angka, melainkan secara kualitas dalam bentukpernyataan baik, sedang, kurang