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All Journal Jurnal Sains dan Teknologi Jurnal Sosial Budaya Jurnal Pendidikan Fisika Indonesia Jurnal Pendidikan IPA Indonesia JURNAL FISIKA Tadris: Jurnal keguruan dan Ilmu Tarbiyah JURNAL ISTEK Berkala Ilmiah Pendidikan Fisika Jurnal Penelitian Pembelajaran Fisika JPPPF (Jurnal Penelitian dan Pengembangan Pendidikan Fisika) JIPF (Jurnal Ilmu Pendidikan Fisika) Jurnal Penelitian Pendidikan IPA (JPPIPA) UPEJ Unnes Physics Education Journal Physics Education Research Journal Jurnal Luminous: Riset Ilmiah Pendidikan Fisika PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) INPAFI (Inovasi Pembelajaran Fisika)
Masturi Masturi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Social Sciences Other

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Analisis Sebaran Butiran Agregat Tanah, Sebaran Butir Primer Tanah, dan Permeabilitas Tanah Pada Pabrik Teh Irina Mei Risca Pratama; Ian Yulianti; Masturi Masturi
JIPF (Jurnal Ilmu Pendidikan Fisika) Vol 2, No 1 (2017): March 2017
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.675 KB) | DOI: 10.26737/jipf.v2i1.196

Abstract

Proses pembentukan tanah dimulai dari hasil pelapukan batuan induk (regolit) menjadi bahan induk tanah, diikuti oleh proses pencampuran bahan organik yaitu sisa-sisa tumbuhan yang dilapuk oleh mikroorganisme dengan bahan mineral dipermukaan tanah, pembentukan struktur tanah, pemindahan bahan-bahan tanah dari bagian atas ke bagian bawah dan berbagai proses lain, sehingga apabila kita menggali lubang pada tanah maka akan terlihat lapisan-lapisan tanah yang berbeda sifat fisik, kimia, dan biologinya, lapisan-lapisan inilah yang disebut dengan horizon tanah yang terbentuk dari mineral anorganik akar. Tumbuhan teh merupakan salah satu sumber daya alam yang dihasilkan dari pengolahan pucuk (daun muda) tanaman teh, Produksi pengolahan teh hitam di PT. Pagilaran menggunakan sistem pengolahan orthodox rotorvane. Pembuangan limbah teh yang telah diproduksi dalam PT.Pagilaran beruba cairan yang dibuang didalam tanah. Penelitian ini bermaksud mengkaji sebaran butiran agregat tanah yang dihasilkan adalah tanah berpasir dengan presentasi sebesar 59,34%, sebaran butir primer tanah dengan presentase lempung dan lanau sebesar 40,66%, pasir 59,34%, dan kerikil 0,00%  karena ukuran butiran tidak lengkap dan hal itu menyebabkan butiran-butiran yang ada tidak saling mengisi dan menyebabkan adanya rongga, dan permeabilitas tanah tersebut termasuk dalam tanah pasir kelanauan hasil pembuangan pengolahan teh di PT.Pagilaran.
PEMASANGAN SENSOR GELOMBANG ULTRASONIK UNTUK APLIKASI ROBOT ANTI-BENTUR Masturi Masturi; Sujarwata Sujarwata
JURNAL ISTEK Vol 5, No 1-2 (2011): ISTEK
Publisher : JURNAL ISTEK

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan untuk membangun sebuah mobil robot dan teknik pemasangan sensor gelombang ultrasonik untuk menghindari benturan. Teknik pemasangan sensor meliputi jarak sensor penerima ke pemancar gelombang ultrasonik dan panjang loop yang digunakan. Mengatur gerakan mobil robot secara otomatis dapat menghindari benturan dengan objek yang ada di depannya. Sistem otomasi pengaturannya menggunakan perangkat keras mikrokontroler Basic Stamp BS2SX buatan Parallax Inc Amerika, berupa IC PIC16C65 yang beroperasi pada tegangan 5 volt DC. Sedangkan perangkat lunaknya menggunakan bahasa pemrograman Pbasic. Program ditulis pada Basic Stamp Editor yang sudah diinstallkan pada PC, kemudian didownload ke EEPROM. Proses download program otomatis menghapus program sebelumnya sehingga program terakhir yang akan dieksekusi. Sensor gelombang ultrasonik yang digunakan dapat mendeteksi jarak objek terjauh 85 cm, sedangkan objek terdekat adalah 0,5 cm. Panjang loop yang dipasang pada mobil robot adalah 2 cm dan jarak antara transduser satu dengan yang lainnya 1,5 cm.Panjang loop yang dipasang pada mobil robot mempengaruhi jarak objek yang dapat dideteksi.
Penerapan Project Based Learning (PjBL) Terbimbing untuk Meningkatkan Keaktifan dan Pemahaman Siswa pada Konsep Momentum, Impuls, dan Tumbukan Lisa Puspitasari; Budi Astuti; Masturi Masturi
Physics Education Research Journal Vol 2, No 2 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2020.2.2.4959

Abstract

This study aims to analyze the increase in students' activeness and conceptual understanding after the guided Project Based Learning (PjBL) model is applied. The research method used was a pre-experimental one group pretest-postest design. The research instruments included test and non-test instruments. The test instrument in this study was a reasoned multiple choice. The non-test instrument uses student activeness observation sheets. Students' activeness and conceptual understanding were analyzed using the N-Gain test. The significance of increasing students' activeness and understanding of concepts was analyzed using the Wilcoxon mathced pairs test. The results of the data analysis showed that the students' activeness and conceptual understanding of the Momentum, Impulse, and Collision material after being applied to guided PjBL experienced a low increase with N-Gain of 0.20 and 0.22. The results of the significance test of students' activeness and conceptual understanding were obtained values of 0.041 and 0.000 (0.050). Based on the results of the analysis, it can be concluded that the implementation of the guided Project Based Learning model was able to significantly increase the activeness and understanding of students' concepts in the material Momentum, Impulse and Collision at Nurul Islami High School.
MODULUS ELASTISITAS BAMBU BETUNG DENGAN VARIABEL PANJANG Rambu Ririnsia Harra Hau; Masturi Masturi; Ian Yulianti; Salvo Kahumbu Hau; Soleman Dappa Talu
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (711.76 KB) | DOI: 10.21009/0305020108

Abstract

The main issues that were examined in this study is the modulus of elasticity bamboo betung with variable length. The purpose of this study was to measure the modulus of elasticity on bamboo betung with variable. Modulus of elasticity in bamboo shows the flexibility for using in a various fields. In this study the bamboo is made into small girders with a uniform thickness and width are respectively 0.8cm and 1.5cm. The length of the bamboo that is used in this study are the 50cm, 60cm, 70cm, 80cm, 90 cm, 100cm. To determine the elasticity of the bamboo it is provided with a load in the middle position. From the research results obtained showing the longer bamboo the greater flexibility gained linearly elastic modulus is 1.0122E+10N/m2. Keywords: bamboo, girder, modulus of elasticity.
PEMANFAATAN ARANG DARI BATANG POHON DENGAN PEREKAT PVAC UNTUK DEGRADASI LIMBAH METHYLENE BLUE Adelina Ryan Candra Dewi; Masturi Masturi; Ian Yulianti; Agus Ulin Nuha
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (615.692 KB) | DOI: 10.21009/0305020201

Abstract

The dye is widely used in the industry which came dye textiles, plastics, and batik. Results of waste as a result of the dye can cause poisoning which is very dangerous. Waste methylene blue into one of the results of waste textile color. Charcoal from waste tree trunks using adhesives PVAC successfully made into a carbon that is able to absorb the waste dye methylene blue. Making carbon with PVAC adhesive into new things that are simple to absorb waste dye and easy to do by the general public without the use of laboratory equipment. The purpose of this study was to determine the effect of variation of immersion time and the mass of charcoal to the transmittance and absorption of waste degradation methylene blue 67 ppm. Degradation of methylene blue waste generated by providing independent variable mass quantities of charcoal trunk as much as 3g, 6g, 9g, 12g, 15g and 18g and variable time soaking for 12 hours and 36 hours. The concentration of methylene blue before and after irradiation was measured using a UV-Vis spectrometer. The results showed that the soaking time and the amount of carbon affect the absorbance and transmittance of methylene blue waste. The more the sheer number of masses of charcoal and charcoal long soaking time, giving the plot a graph of absorbance down and plot a graph of transmittance rose nearly perfect degradation. Keywords: Carbon, PVAC, Waste methylene blue, absorbance, transmittansion.
STUDI ELASTISITAS TALI DARI BAN SEPEDA MOTOR BEKAS SEBAGAI BAHAN KONSTRUKSI BANGUNAN RUMAH TAHAN GEMPA Frilisa Dliyaul Haya; Masturi Masturi; Ian Yulianti
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (501.131 KB) | DOI: 10.21009/0305020202

Abstract

Elasticity analysis of straps cut from used motorcycle tires done for determine (1) deflection effect to wide pieces of used tires, (2) modulus elasticity of used motorcycle tires, (3) used motorcycle tires applications for construction materials building earthquake resistant houses. Testing was conducted by One Point Loading (OPL) or a single centralized load testing. Data collection was performed by measuring the deflection at loading 1-10 kg with independent variable widths pieces of used tires. Modulus of elasticity obtained from the equation deflection. Data were analyzed with descriptive methods - quantitative regression analysis. Modulus elasticity of used motorcycle tires compared with the modulus elasticity of the construction materials. concluded that the larger the width of pieces of used tires, which occurs the smaller deflection. The modulus elasticity of used motorcycle tires is 8727.976 MPa which indicates that the used motorcycle tires have good flexibility. Straps cut from used motorcycle tires can be used as a construction material in addition to the retaining wall as a building collapse caused by the earthquake. Keywords: Elasticity, used tires, earthquake resistant houses.
PENGARUH SUHU AKTIVASI TERHADAP DAYA SERAP KARBON AKTIF KULIT KEMIRI Landiana Etni Laos; Masturi Masturi; Ian Yulianti
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (947.06 KB) | DOI: 10.21009/0305020226

Abstract

Karbon aktif adalah produk dari proses aktivasi arang yang kemampuan penyerapannya lebih tinggi dan memiliki kegunaan lebih banyak daripada arang biasa. Beberapa bahan yang banyak digunakan sebagai sumber bahan baku pembuatan arang aktif adalah batubara, kayu dan limbah pertanian seperti tempurung dan kulit biji. Serbuk arang kulit kemiri diaktivasi dengan menggunakan larutan H3PO4 dengan konsentrasi 2,5% selama 24 jam dan disintering pada suhu 2000C, 2500C, 3000C, 3500C dan 4000C. Berdasarkan hasil penelitian, Suhu aktivasi mempengaruhi kualitas karbon aktif yang terbentuk. Dari uji kualitas karbon aktif yang dilakukan, kualitas karbon aktif yang terbaik diperoleh pada suhu 400 0C dengan kadar air 14,35 %, kadar abu 8,5%, daya serap terhadap kadar iod sebesar 252,97 mg/g yang memenuhi standar SNI 06-3730. Penelitian ini memperlihatkan bahwa semakin tinggi suhu aktivasi maka semakin tinggi daya serap karbon aktif. KataKunci: Kulit kemiri, Arang aktif, Daya Serap.
PENGARUH PEWARNAAN TERHADAP KELUNTURAN WARNA RAMBUT MENGGUNAKAN PEWARNA ALAMI LIMBAH BIJI PEPAYA TERHADAP PENCUCIAN Vivi E. Roshanty Husin; Masturi Masturi; Ian Yulianti
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.592 KB) | DOI: 10.21009/0305020228

Abstract

Pewarnaan rambut merupakan tindakan mengubah warna rambut untuk menutupi rambut putih, sesuai dengan warna yang diinginkan. Pewarnaan rambut dapat menggunakan bahan alami atau nabati , diantaranya dari biji-bijian. Biji pepaya mengandung bahan Glucoside cacarindan karpain yang menghasilkan zat warna hitam. Rambut indah seperti mayang terurai merupakan kiasan yang menggambarkan rambut yang indah, berkilau sekaligus merupakan gambaran rambut sehat. Karena hanya rambut sehat yang mampu menampilkan kecantikan secara alami. Untuk memiliki rambut yan sehat dibutuhkan perawatan yang sesuai dengan kondisi rambut. Perawatan dapat dilakukan secara alami dengan menggunakan bahan-bahan alami yang berkhasiat. Salah satu bahan alami yang digunakan adalah biji buah pepaya. selanjutnya data dianalisis dengan metode statistik deskriptif. Berdasarkan hasil analisis data, diperoleh kesimpulan bahwa biji pepaya mengandung glucoside cacarin dan karpain yang terdapat pada panjang gelombang 450 nm – 950 nm sehingga dapat dimanfaatkan untuk menghitamkan rambut dan rambut yang diberi pewarna alami mudah luntuk jika dicuci terua-menerus. Kata kunci : rambut putih, biji pepaya, hasil kelunturan warna rambut.
PEREDAM PANAS PADA ATAP ALUMUNIUM DENGAN MENGGUNAKAN SPONS AIR Husna Noor Mufida; Muh Syukri Ahsani; Masturi Masturi; Ian Yulianti
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.091 KB) | DOI: 10.21009/0305020603

Abstract

The use of aluminum roof is already widely used, but leads to the room temperature becomes hot due to the high thermal conductivity. So far the impact of the heat generated is reduced with the installation of plasterboard and make a high roof. In this study, the reduction of heat on the aluminum roof with the installation of a sponge of water flowed. The research objective to reduce the temperature in the room because the water has a high specific heat. Research carried out by making a miniature model of aluminum-roofed house placed in the middle of the field during the sunny day. The bottom side of the aluminum fitted with a sponge and then underneath waterproof plastic coated (banner MMT). Water flowed slowly to keep the temperature inside the miniature house. The variable that changed was the thickness of the sponge layer. The air temperature measured with a thermometer in the room space and the outside air temperature is measured with an infrared thermometer. Data analysis was done by plotting the relationship between a thick layer of sponge on the temperature inside the miniature house. Results obtained indicating that the air temperature in the house miniature dropped significantly 2 oC-8 oC lower than the outside air temperature. Keywords: roof, aluminum, temperature.
ANALISIS KUAT GESER LANGSUNG TANAH PADA TPA KUDUS YANG TERNORMALISASI Rizka Silviana Hartanti; Masturi Masturi; Ian Yulianti
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 5 (2016): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2016
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (491.279 KB) | DOI: 10.21009/0305020604

Abstract

Final Disposal (TPA) is a disposal of the remains (garbage) activities of residents of organic to inorganic. Trash that has fulfilled the land will be relocated to another place so that the former is called the normalized TPA or the land back to the beginning of the function. The purpose of this study was to determine the direct shear test of TPA in the district of Kudus normalized to determine the water content test and direct shear strength test soil with soil variations normalized landfill and landfill soil that has not been normalized. The method used is to take soil samples tested in the laboratory and continued with retrieval data retrieval. Data were analyzed using 1D graph. Having done the research results that the water content in the TPA normalized ie 34,23% while the landfill soil that has not been normalized with 33,15%. To test the shear strength obtained TPA normalized graph of normal stress to shear stress resulting friction angle value 19,070 and the value of cohesion (c) 8561,7N/m2. To test the shear strength normalized landfill that has not obtained a graph of normal stress to shear stress resulting friction angle value 22,850 and the value of cohesion (c) 6429,9N/m2. Key words: land, landfills (TPA), normalized, direct shear test.
Co-Authors - Sucipto - Sutarti, - A. Cristina A. Setiawan A.A. Ketut Agung Cahyawan W Adelina Ryan Candra Dewi Agus Ulin Nuha Ahmad Khoiri Andhy Setiawan Andhy Setiawan Anton Winarto Arghob Khofya Haqiqi Arif Hermawan Arista Rahayu Bambang Subali Budi Astuti Dewi Risma Winari Dian Novita Sari Dian Wahid Hermawan Dian Wahid Hermawan Dwi Sukowati Ema Chintya Permatasari Emi Sulistri Emi Sulistri, Emi Frilisa Dliyaul Haya Galuh Ayu Riyanti H. Aliah, H. Harra Hau, Rambu Ririnsia Hartono Hartono Hasniah Aliah Hasniah Aliah Heru Damayanti Husna Noor Mufida Husna Noor Mufida Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Ian Yulianti Indra Rahmatul 'Ula Irina Mei Risca Pratama Ivan Setia Arianto Landiana Etni Laos, Landiana Etni Lisa Puspitasari M. Abdullah Mamik Indaryani Maya Puspita Sari Mikrajuddin Abdullah Mikrajuddin Abdullah Moh. Nashir Tsalatsin Moh. Nashir Tsalatsin, Moh. Nashir Muchsin Muchsin Muh Syukri Ahsani Muh Syukri Ahsani Muhammad Ijab Maulana Musa Dimyati N. Hindarto N. Istiana Nur Khoiri Nurulia Fajriani Obimita Ika Permatasari, Obimita Ika P. Dwijananti P. Marwoto Rizka Silviana Hartanti Rizki Riyansyah Rosyidatul Munawaroh Rosyidatul Munawaroh S. Rustad, S. S. Susilawati, S. Salvo Kahumbu Hau Shodiq Eko Ariyanto Siswanto Siswanto Soleman Dappa Talu Suharto Linuwih Sujarwata Sujarwata Sumarli Sumarli Sumarli Sumarli Sunarno - Sunarno Sunarno Supriyadi Supriyadi Sutikno Madnasri Ulya Santa Anugrahaini Vivi E. Roshanty Husin Wijayanto, W. Xaphakdy, S. Yeni Purwiyantini Yunita Putri Kusrinaningrum