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PENGARUH PERBANDINGAN ARANG LIMBAH PELEPAH KELAPA SAWIT DAN KULIT KAKAO TERHADAP MUTU BRIKET ARANG DI DESA TIMBANG JAYA KECAMATAN BAHOROK, KABUPATEN LANGKAT, PROVINSI SUMATERA UTARA Muhammad Taufiq
JASA PADI Vol 4 No 2 (2019): JASA PADI
Publisher : Universitas Pembangunan Panca Budi

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Abstract

This study aims to analyze the right combination of charcoal briquette between charcoal from palm stem andcharcoal from cocoa fruit shell waste so that the charcoal briquette results that are appropriate or close to SNI quality standards. Data analysis method in this study used a Completely Randomized Design (CRD) with 5 treatments and 3 replications in each treatment. Comparison between palm stem charcoal and cocoa fruit shell charcoal added with starch adhesive as much as 5% respectively 70%: 30% (P1), 60%: 40% (P2), 50%: 50% (P3) , 40%: 60% (P4) and 30%: 70% (P5). Testing samples in this study include heating value/ calorific value, moisture content, power and combustion efficiency. The result showed that the water content which was found from all the five treatments given had higher water content compared to SNI. The maximum water content of the charcoal briquettes that conforms to SNI is < 8%, so there is no charcoal briquette treatment that matches to SNI criteria. The heat value contained in the charcoal briquettes is greater than the SNI which is > 5000 Kal/ g, so all the five treatments of charcoal briquettes have fulfilled the SNI. While the value of power and efficiency of combustion has not yet been stated in SNI, the power and efficiency of combustion only refers to the lowest average value or briquettes with combustion efficiency that has the longest combustion time used as the best power and efficiency of combustion, so the best quality standard of combustion efficiency is the combination of charcoal briquettes from 70% palm stem and 30% cocoa fruit shell (P1) because it refers to the combustion efficiency of briquettes that have the longest combustion time.
DETEKSI SOYBEAN MOSAIC VIRUS (SMV) TERBAWA BENIH KEDELAI DI SULAWESI TENGGARA Asmar Hasan; Muhammad Taufik; Niken Nur Kasim; Hijria Hijria
Journal TABARO Agriculture Science Vol 2, No 1: MEI 2018
Publisher : Universitas Andi Djemma Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (196.707 KB) | DOI: 10.35914/tabaro.v2i1.114

Abstract

Virus mosaik kedelai (SMV) adalah salah satu patogen paling penting dalam tanaman kedelai yang aktivitasnya bahkan dapat menyebabkan kerugian tanaman hingga 100%, sehingga menghambat upaya pemerintah untuk mewujudkan swasembada kedelai. Terkait hal ini, sekitar awal tahun 2015, gejala mosaik telah ditemukan pada kedelai yang dibudidayakan di kebun percobaan Fakultas Pertanian, Universitas Halu Oleo, Sulawesi Tenggara dan berdasarkan hasil deteksi serologi membuktikan bahwa daun kedelai gejala mosaik positif terinfeksi oleh virus mosaik seperti SMV. Hal ini menimbulkan pertanyaan apakah benih kedelai yang ditemukan di kalangan petani dan digunakan sebagai bibit juga telah terinfeksi oleh SMV. Oleh karena itu, penelitian ini bertujuan untuk mendeteksi keberadaan SMV pada benih kedelai petani menggunakan metode uji serodiagnosis dengan teknik ELISA (Enzyme-Linked Immunosorbent Assay). Hasil penelitian menunjukkan bahwa SMV positif menginfeksi biji kedelai varietas Dena dan Dega dari Desa Belatu, Kecamatan Pondidaha. Terdeteksi pada getah daun kedelai yang telah diunggulkan sedangkan getah biji kering tidak terdeteksi
Pengaruh preheat terhadap kekuatan tarik dan kekerasan vickers sambungan metal inert gas (MIG) pada baja karbon rendah Muhammad Taufiq; Wartono Wartono; Daru Sugati
Jurnal Teknik Mesin Indonesia Vol 15 No 1 (2020): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v15i1.151

Abstract

Kajian ini bertujuan untuk mengetahui pengaruh preheat terhadap kekuatan tarik dan kekerasan vickers sambungan Metal Inert Gas (MIG) pada baja karbon rendah, serta mengetahui pengaruh terbesar terhadap sifat mekanis dan struktur mikro setelah pengelasan. Metode pengelasan menggunakan pengelasan Metal Inert Gas (MIG) posisi mendatar atau flat, dengan spesimen plat strip baja karbon rendah dan kampuh V sudut 60°, variasi yang digunakan dalam kajian ini adalah variasi suhu preheat 100 ̊C, 200 ̊C, 300 ̊C dan non-preheat. Nilai kekerasan vickers tertinggi dimiliki oleh suhu preheat 2000C dengan nilai kekerasan vickers sebesar 206,674 kg/mm2 dan nilai kekerasan vickers terendah adalah preheat 3000C dengan nilai kekerasan vickers sebesar 158,405 kg/mm2. Spesimen pengujian tarik dengan variasi suhu preheat 2000C memiliki kekuatan tarik terbesar yakni rata-rata adalah 54,87 Kgf/mm2 dan spesimen pengujian tarik dengan variasi suhu preheat 3000C memiliki kekuatan tarik terendah dengan nilai rata-rata adalah 44,31 Kgf/mm2.
EVALUASI PENYEBAB GANGGUAN MESIN DIESEL BRV10 DI RSG-GAS Asep Saepuloh; Kiswanto Kiswanto; Muhammad Taufiq; Yuyut Suraniyanto
Reaktor : Buletin Pengelolaan Reaktor Nuklir Vol 11, No 1 (2014): April 2014
Publisher : Direktorat Pengelolaan Fasilitas Ketenaganukliran (DPFK) RSG-GAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/bprn.2014.11.1.1356

Abstract

Diesel generator merupakan salah satu komponen penting pemasok daya listrik darurat ketika catu daya listrik utama mengalami gangguan. Tidak dapat beroperasinya mesin Diesel akan berdampak serius kepada pengoperasian reaktor. Tulisan ini bertujuan untuk mengevaluasi penyebab gangguan Diesel generator BRV10 Reaktor Serba Guna GA Siwabessy yang terjadi pada awal 2014. Peristiwa ini cukup menjadikan perhatian karena dipandang penyebabnya unusual. Evaluasi dilakukan dengan menginvestigasi sebab-sebab gangguan, melakukan langkah perbaikan, uji fungsi serta  mengantisipasi agar kejadian yang sama tidak berulang kembali dimasa yang akan datang. Dari hasil evaluasi diketahui bahwa penyebab gangguan Diesel adalah tercampurnya solar dengan air dan lumpur yang diperkiraan sudah tertimbun lama di dalam tangki bahan bakar mesin Diesel. Dipercaya penyebabnya adalah perawatan tangki bahan bakar kurang optimalABSTRACT EVALUATION OF the BRV 10 diesel engine disruption of the Multi Purpose Reactor GA siwabessy Reactor. Diesel generator is one of the important components of emergency electrical power supply when the main power supply is disrupted. Unable to operation of diesel engines will have a serious impact to the operation of the reactor This paper aims to evaluate the cause of disruption of the diesel generator BRV10 at the Multi Purpose Reactor GA Siwabessy occurred in 2014. This event makes enough attention because its cause is deemed unusual. Evaluation is done by investigating the causes of the disorder, do the repair, test functions and anticipate that similar events do not recur in the future. From the results of the evaluation of the causes of disorders known that diesel is a diesel mixing with water and mud that had buried long estimated in the diesel engine fuel tank. Is believed to cause the fuel tank care is less than optimal
Evaluasi Ketidaksejajaran Motor Dan Pompa Sistem Pendingin Sekunder Reaktor RSG-GAS (PA-01/02/03 AP001) Santosa Pujiarta, A.Md; Aji Nur Said, A.Md.; Muhammad Taufiq; Ir. Pranto Busono; Royadi Royadi
Reaktor : Buletin Pengelolaan Reaktor Nuklir Vol 13, No 2 (2016): Oktober 2016
Publisher : Direktorat Pengelolaan Fasilitas Ketenaganukliran (DPFK) RSG-GAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.324 KB) | DOI: 10.17146/bprn.2016.13.2.3892

Abstract

ABSTRAKEVALUASIKETIDAKSEJAJARAN MOTOR DAN POMPA SISTEM PENDINGIN SEKUNDER REAKTOR G.ASIWABESSY (PA-01/02/03 AP001). Sistem pendingin sekunder merupakan peralatan yang sangat penting bagi pengoperasian reaktor. Sistem ini berfungsi untuk melepaskan panas peluruhan dari teras reaktor ke lingkungan setelah melewati sistem pendingin primer. Sistem pendingin sekunder terdiri dari 3 buah pompa sirkulasi dengan 7 buah modul menara pendingin sebagai tempat pelepasan panas yang terbagi dalam 2 jalur operasi. Pemeriksaan ketidaksejajaran pompa pendingin sekunder PA-01/02/03 AP001 dilakukan sebagai kegiatan perawatan komponen mekanik untuk menjamin keandalan motor pompa pendingin sekunder. Tujuan penulisan ini adalah untuk mengevaluasi hasil kegiatan perawatan pompa pendingin sekunder, sehingga dapat diambil tindakan yang terbaik untuk menjaga keandalan operasi pompa. Evaluasi dilakukan dengan pengambilan data hasil pengukuran ketidaksejajaran motor penggerak terhadap pompa yang berkedudukan tetap. Pemeriksaan ketidaksejajaran telah dilakukan pada motor pompa pendingin sekunder PA-01/02/03 AP001pada tanggal 24-26 Agustus 2016.Dari hasil perhitungan diperoleh bahwa nilai ketidaksejajaran motor pompa pendingin sekunder pada posisi vertikal maupun horisontal masih dalam batas yang baik yaitu <0,50 mm. Disimpulkan kerusakan pada bearing, kumparan motor dan kopling pompa dapat diminimalisir, serta pompa pendingin sekunder dapat dioperasikan dengan aman.Kata kunci: Evaluasi, ketidaksejajaran, pompa ABSTRACTEVALUATION OF MISALIGNMENT BETWEEN MOTOR AND PUMP OF THE G.A SIWABESSY REACTOR SECONDARY COOLING SYSTEM (PA-01/02/03 AP001). Secondary cooling system is essential equipment for the operation of the reactor. This system serves to remove decay heat from the reactor core to the OF environment after passing through the primary cooling system. Secondary cooling system consists of three pieces of the circulation pump with 7 modules cooling tower as a heat release operation is divided into two lines. Misalignment examination of the secondary coolant pump PA-01/02/03 AP001 has been done as mechanical component maintenance activities to ensure reliable secondary cooling motor pump. The purpose of this paper is to evaluate the result of maintenance activity of the secondary cooling pump, in order to take the best action to maintain reliable operation of the pump. Evaluation is done by taking the measured of misalignment data of the motor to the pump that is in a fixed position. Misalignments examination has been performed at the secondary coolant motor pump of PA-01/02/03 AP001on 24-26 August 2016.From the calculation result it is recognized that  misalignments value of the secondary cooling pump motor in vertical and horizontal positions are still in a good condition that is < 0.50 mm. Then it can be concluded that  the possibility of damage to the bearing, spindle motors and pump coupling can be minimized and further the  secondary coolant pumps can be operated safely. Key word: Evaluation, misalignment, pump
EFEKTIVITAS MINYAK CENGKEH TERHADAP PATOGEN YANG BERASOSIASI DENGAN TANAMAN TOMAT (Lycopersicum esculentum Mill.) PUTRI MEGAYANTI PADDA; MUHAMMAD TAUFIK; ASNIAH ASNIAH; MUHAMMAD BOTEK; ABDUL RAHMAN; GUSNAWATY HS GUNAWATY; MARIADI MARIADI
Jurnal Agroteknos Vol 12, No 1 (2022)
Publisher : Jurnal Agroteknos

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Abstract

This study aimed to evaluate the effect of clove oil to control pathogens associated with tomato plants in screen houses. The study was carried out using a completely randomized design (CRD) with 5 treatments repeated 3 times and each treatment consisted of 3 plants for a total of 45 plants, the treatments given were P0 (without application), P1 (pathogenic fungus Sclerotium sp. without clove oil application). , P2 (pathogenic fungus Sclerotium sp. with clove oil application), P3 (pathogenic fungus Helminthosporium sp. without clove oil application), P4 (pathogenic fungus Helminthosporium sp. clove oil application). The variables observed were plant height, stem diameter, number of branches and disease severity of tomato plants. The results showed that clove oil was able to increase plant growth as indicated by the highest average height and diameter of 18.61cm and 0.31cm, respectively. Clove oil application also suppressed the development of the pathogen Sclerotium sp. As indicated by the average incubation period and disease severity 18.67 days and 6%, respectively.
STUDI PENDAHULUAN MASERASI COUPLING ELEKTROSINTESIS DALAM MENGEKSTRAKSI NIKOTIN YANG TERKANDUNG DALAM PUNTUNG ROKOK DAN ANALISA MENGGUNAKAN SPEKTROSKOPI UV-VIS Muhammad Taufik; Rid Wanto; Siti Rahmah Cibro; Desi Ardilla; Mariany Razali; Dafni Mawar Tarigan
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2017
Publisher : PROSIDING SEMINAR KIMIA

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Abstract

This paper is a preliminary research in the application of electrosynthesis method in extracting the sample. The maceration process of extraction is one of the simplest ways of extracting nicotine in a preparation. The extraction process can be accelerated by electrochemical principle. The method developed is maceration coupling electrosynthetise in analyzing nicotine contained in cigarette butts. Descriptive method developed in the process of nicotine maseration on filter cigarettes and non-filter cigarettes using ethanol solvents. The experimental method was developed in maceration process and maceration coupling electrosynthesis with variation of time respectively 5, 10, 15, 20, 25 minutes. The best results were obtained on non-filter cigarettes using maceration coupling electrosynthesis at 20 and 25 minutes with qualitative results with cyanogen bromide marked by abundant yellow (+++). The analysis continued using UV-Vis spectrophotometry method and obtained the best sample concentration on non-filter cigarette method of maceration coupling electrosynthesis at 15 minute ( 0,01003 ppm). Keywords: nicotine, filter cigarettes, non-filter cigarettes, electrosynthesis, UV-Vis spectrophotometry
Analysis Slope Stability And Seepage Logung Dam – Kudus Central Java Muhammad Taufiq; Wahyu Kurniawan
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Logung Dam is located in Dukuh Slalang, Tanjungrejo Village, Jekulo District and Dukuh Sintru, Kandangmas Village, Dawe District. Logung Dam has an area of inundation of 144.06 ha and a normal catch of 20,150,000 m3. This analysis is to know the safety of the slope and seepage with the result of the approaching analysis so that it can give it to the dam. Zone analysis conducted with the location of the dam, physical testing of the material in the clay laboratory (zone 1), sand (zone 2), random (zone 4), show the results indicating the soil as the analysis material meets the dam requirements. Analyze the data required by the planner's consultant in the laboratory. Soil parameter data used in PLAXIS 8.6 and Geostudio 2007 programs: cohesion, c; Sliding angle in soil, φ; Slope angle,  ;  nd  he  eigh  o   he  ol me o  land,  ;  od l s o  elas ici  ,  ;  ermea ili  ,  ;  nd poisson ra io,  rom soil parame er da a can  e  o nd nialai cohesion  c         , shear  orce  φ                 , slope angle        :   upstream, 1:35 do ns ream and  ol me  eigh  Soil           6  rom  L XIS da a a   he  al e o  deformation = 26.46 m, active pore pressure = -927.61 m, effective soil voltage -2.70x10-3 kN / m2; down slope safety = 1, 26 and seepage = 46,41x10-3 From geostudio program can obtain upstream slope safety factor = 1.41, downhill slope security = 1.23 and seepage = 63.30x 10-3.Air dam safety analysis to normal safe, For seepage safety by grouting or injection of cement on the ground beneath the foundation along the dam. Keywords: Analysis, Security Factor, Plaxis and Geostudio
Analisis Kinerja Traksi Roda Besi Bersirip Di Lahan Sawah Muhammad Taufiq; Tineke Mandang; Wawan Hermawan
Jurnal Keteknikan Pertanian Vol. 5 No. 1 (2017): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2163.337 KB) | DOI: 10.19028/jtep.05.1.%p

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AbstractPaddy field soil condition is an important factor to be considered in designing a lug wheel for paddy field cultivation. To get the optimum wheel design, the wheel traction performance should be predicted before constructing the wheel. The purpose of this research were 1) to develop a prediction method of lug wheel performance, 2) to analyze the performance of lug wheel, and 3) to select the best configuration of lug wheel design. Tractive performance prediction method was developed based on the forces acting onactive lugs when the wheel operates in the soil. Soil reaction forces to wheel lugs were predicted using measured data of soil resistance on plat penetration in the soil. Nine wheel designs were tested in a paddy field to validate the prediction of wheel traction performance. The results showed that the developedprediction method developed had not approached the wheel traction efficiency maesurement results. The wheel traction efficiency prediction showed a high level of error that was more than 65%. The best wheel design for the paddy field was determined from the highest average measurement value of the wheel traction efficiency i.e 47.81%, that was the wheel with 12 lugs and 30° lug angle.AbstrakKondisi lahan sawah merupakan faktor penting yang perlu dipertimbangkan dalam perancangan roda besi bersirip untuk pengolahan tanah. Untuk mendapatkan desain roda besi bersirip yang optimal, kinerja traksi harus diduga sebelum melakukan perancangan. Tujuan dari penelitian ini adalah 1) untuk mengembangkan sebuah metode pendugaan kinerja traksi roda besi bersirip, 2) untuk menganalisis kinerjatraksi roda besi bersirip, 3) untuk menentukan konfigurasi desain roda besi bersirip terbaik. Metoda untuk menduga kinerja traksi dikembangkan berdasarkan gaya-gaya reaksi yang bekerja pada sirip aktif pada saat roda besi bersirip beroperasi di lahan. Gaya reaksi tanah pada sirip roda diduga dengan menggunakan data pengukuran tahanan tanah terhadap penetrasi plat. Sebanyak 9 buah tipe desain roda besi bersirip telah diuji pada lahan sawah untuk memvalidasi hasil pendugaan kinerja traksi roda besi bersirip. Hasil validasi menunjukkan bahwa efisiensi traksi hasil pengembangan metode pendugaan belum mendekati hasil efisiensi traksi pengukuran. Pendugaan efisiensi traksi roda besi bersirip menghasilkan tingkat error yang tinggi yaitu lebih dari 65%. Desain roda besi bersirip terbaik untuk lahan sawah ditentukan dari ratarata nilai efisiensi traksi hasil pengukuran tertinggi sebesar 47.81% yaitu roda besi bersirip dengan jumlahsirip 12 dan sudut sirip 30°.
POD NUMBER AND PHOTOSYNTHESIS AS PHYSIOLOGICAL SELECTION CRITERIA IN SOYBEAN (Glycine max L. Merrill) BREEDING FOR HIGH YIELD S.M. Sitompul; Dian Indra Sari; Erna Krisnawati; Rachmad Harri Mulia; M. Taufiq
AGRIVITA, Journal of Agricultural Science Vol 37, No 1 (2015): FEBRUARY
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v37i1.532

Abstract

Field studies were conducted in two years using 638 F2 and 1185 F3 lines of selected 16 F1 and 15 F2 parent lines (³80 pods plant-1) to evaluate pod number and CO2 exchange rate (CER) as selection criteria. Pod and seed number, and seed weight of individual lines were observed during harvesting time, and CER of randomly selected 32 F2 and 30 F3 lines was measured at initial seed filling stage. The selection of F2 lines based on pod number to generate F3 lines increased the average of seed yield by 39%, and pod number by 77% in F3 lines compared with F2 lines. A close relationships was found between seed weight and pod or seed number per plant. Net CER responded sensitively to a reduction of light in a short-term and showed 78% of F2 lines and all F3 lines with maximum CER (Pmax)³20 mmolCO2.m-2.s-1. The ratio of pod number per plant and Pmax varied between lines and were used to group lines resulting in close relationships between Pmax and pod number. It is concluded that the use of pod number and CER (Pmax) as selection criteria offers an alternative approach in soybean breeding for high yield. 
Co-Authors Abdul Halik Abdul Halim Abdul Rahman Abdul Rochman Abdul Wahab Abrani Sulaiman Achmad Albar Permana Suprianto Aji Nur Said, A.Md. Akhmad Sabarudin Al Hadiat Al Hadiat Andi Khaeruni Andy Hendri, Andy Ane Novianty Ani Mulyasuryani Argubi, Adi Hidayat Arif Hadi Sumitro Asmar Hasan Asniah Asniah Asritanarni Munar Bahrin Bahrin Bahrul Anif Dafni Mawar Tarigan Darma Aviva Dartius , Daru Sugati Dedy Sugiarto Desi Ardilla Desrial Dian Indra Sari Endang Purwati RN Endang Supraptiah Erna Krisnawati Etty Gurendrawati Fadarina HC GUSNAWATY HS, GUSNAWATY Habibah Habibah Halimatus Sakdiyah Hendri Hermawan Adinugraha hendriko hendriko Hidayat Hidayat Hijria Hijria Ir. Pranto Busono Irma KRESNAWATY Khaerunnisa Khaerunnisa Kikin H Mutaqin Kiswanto Kiswanto Kosim Kosim La Ode Santiaji Bande Lalu Rudyat Telly Savalas Liana Liana Luky Adrianto Made Rahmawaty, Made MARIADI MARIADI Mariany Razali Miftahul Khair Mohammad Ihsan Mokhamad Nur Cahyadi, Mokhamad Nur Muhammad Botek Niken Nur Kasim NOOR AIDAWATI Oktalia Triananda Lovita PURNAMA HIDAYAT PUTRI MEGAYANTI PADDA Rachmad Harri Mulia Rahayu M Rahayu M Rahayu Mallarangeng Ratu Fatimah Azzahrah Rid Wanto Rida Prihatni Riko Setya Wijaya Rinaldi Rinaldi Royadi Royadi Ruli Inayah Ramadhoan S.M. Sitompul Salsabilla Choirun Nisa’Alfikry Santosa Pujiarta, A.Md SEDYO HARTONO Siti Rahmah Cibro SRI HENDRASTUTI HIDAYAT Susilawati - Syair Syair Tauhid, Tauhid Thoufiq Ridhowan Thoufiq Tineke Mandang Tirta Suci Dian Kasih Tri Pamujiasih Trisna Insan Noor Ussy Andawayanti Wahyu Kurniawan Wahyudi Wahyudi Wahyudianto, Febri Eko Wardi Wardi Wawan Hermawan Widodo Yuyut Suraniyanto Zurohainah