bluuebunny/crossref_metadata_2025_split huggingface dataset:
Identifikasi Batuan Gunung Api Purba di Pegunungan Selatan Yogyakarta Bagian Barat Berdasarkan Pengukuran Geolistrik
Authors: Winarti Winarti , Hartono Hill Gendoet 
Published: August 2017

Daerah penelitian berada di perbatasan antara Dataran Yogyakarta dengan Pegunungan Selatan Yogyakarta bagian barat. Secara morfologi dan litologi yang tersingkap, indikasi gunung api purba yang dibuktikan dengan keterdapatan batuan gunung api seperti lava, breksi, dan tuf. Tujuan dari penelitian ini adalah identifikasi adanya batuan gunung api purba di bawah permuaan sepanjang Berbah-Imogiri berdasarkan data geolistrik. Metode yang digunakan adalah melakukan pengukuran geolistrik di empat lokasi secara mapping dengan konfigurasi dipole-dipole. Panjang bentangan untuk setiap lintasan 500 meter. Hasil pengukuran geolistrik menunjukkan pada lintasan 1 di Sumber Kulon-Kalitirto, Kecamatan Berbah,diinterpretasi adanya batuan gunung api berupa lava basal dan tuf. Lintasan 2 di Pilang-Srimulyo, Kecamatan Piyungan, diinterpretasi berupa breksi skoria. Lintasan 3 di Ngeblak-Bawuran, Kecamatan Pleret, diinterpretasi adanya tuf dan lava. Lintasan 4 di Guyangan-Wonolelo, Kecamatan Pleret diinterpretasi berupa tuf dan lava. Batuan gunung api secara umum terbaca mempunyai nilai tahanan jenis yang tinggi, yaitu >300 Ωm. Adanya kandungan air atau mineralisasi cenderung menurunkan nilai tahan jenis batuan gunung api tersebut. The study area is located between western part of Yogyakarta plains and Southern Mountains. The morphology and lithology along the Berbah-Imogiri show the existence of an ancient volcano. This is proven by outcrop of volcanic rock like lava, breccia and tuff. The aim of this study is to identify the existence of ancient volcanic rocks along Berbah-Imogiri based on geoelectrical data. The method used to perform measurements at four locations geoelectrical mapping with dipole-dipole configuration a long stretch of track for every 500 meters. Geoelectrical measurement results showed on track 1 in Source Kulon-Kalitirto, District Berbah, interpretedas volcanic rocks such as basalt lava and tuff. Tracks 2 in Pilang-Srimulyo, District Piyungan, iterpreted as volcanic rocks of scoria breccia. Tracks 3 in Ngeblak-Bawuran, District Pleret, interpreted as lava and tuff. And track 4 on Guyangan-Wonolelo, District Pleret interpreted as form of tuff and lava. Volcanic rocks are generally having a high resistivity value > 300 Ωm. The content of water or mineralization tends to reduce the resistivity value of resistant volcanic rock.
Pelindian Logam Tanah Jarang dari Terak Timah dengan Asam Klorida setelah Proses Fusi Alkali
Authors: Trinopiawan Kurnia , Mubarok Mohammad Zaki , Mellawati June , Ani Budi Yuli 
Published: August 2017

Terak timah yang merupakan limbah peleburan timah memiliki potensi untuk dapat dimanfaaatkan lebih lanjut dengan mengekstrak logam-logam berharga di dalamnya, seperti logam tanah jarang (LTJ). Tujuan penelitian ini adalah untuk menentukan kondisi optimal pelindian LTJ dari terak timah setelah proses fusi alkali. Struktur silika pada terak menyebabkan pelindian secara langsung menjadi tidak efektif. Oleh karena itu langkah pre-treatment dengan fusi alkali dibutuhkan untuk membuka struktur silika serta meningkatkan porositas terak. Fusi dilakukan selama 2 jam pada temperatur 700oC dengan perbandingan natrium hidroksida (NaOH) : terak = 2 : 1. Kemudian frit yang telah dilindi dengan air dilanjutkan dengan pelindian dengan asam klorida untuk melarutkan LTJ. Persen ekstraksi LTJ sebesar 87,5% diperoleh pada konsentrasi asam klorida (HCl) 2 M, temperatur 40oC, ukuran butiran -325 mesh, S/L = 15 g/100 ml, kecepatan pengadukan 150 rpm, dan waktu pelindian selama 5 menit. Tin slag, a waste product from tin smelting process, has a potency to be utilized further by extracting the valuable metals inside, such as rare earth elements(REE). The objective of this study is to determine the optimum leaching condition of REE from tin slag after alkali fusion. Silica structure in slag is causing the direct leaching uneffective. Therefore, pre-treatment step using alkali fusion is required to break the structure of silica and to increase the porosity of slag. Fusion is conducted in 2 hours at 700 oC, with ratio of natrium hidroxide (NaOH) : slag = 2 : 1. Later, frit which is leached by water then leached by chloride acid to dissolve REE. As much as 87,5% of REE is dissolved at 2 M on chloride acid (HCl) concentration, in 40o C temperature, -325 mesh particle size, 15g/100ml of S/L, 150 rpm of agitation speed, and 5 minutes of leaching time.
Arah dan Kecepatan Aliran Air Tanah Calon Tapak Disposal Demo di Kawasan Nuklir Serpong
Authors: Sucipta Sucipta , Setiawan Risdiyana 
Published: August 2017

ABSTRAKRencana pembangunan dan pengoperasian fasilitas disposal demo di Kawasan Nuklir Serpong memerlukan pengkajian keselamatan untuk memberikan bukti ilmiah bahwa fasilitas tersebut aman bagi keselamatan manusia dan lingkungan. Hasil dari pengkajian keselamatan tersebut digunakan sebagai dasar pemberian izin lingkungan untuk pembangunan dan pengoperasian fasilitas tersebut. Salah satu data tapak yang diperlukan dalam pengkajian keselamatan adalah arah dan kecepatan aliran air tanah. Oleh karena itu dilakukan penelitian untuk mengetahui arah dan kecepatan aliran air tanah pada zona akuifer bawah calon tapak disposal demo di Kawasan Nuklir Serpong. Penelitian dilakukan dengan menggunakan perunut (tracer) Rhodamin WT. Perunut dilepas pada sumur bor utama (SBU) dan dipantau pada lubang bor (sumur bor pantau) SBP-1 (A), SBP-2 (B), dan SBP-3 (C). Dari hasil analisis contoh air dan analisis keruangan diperoleh data arah aliran air tanah pada kedalaman 16 m ke arah N 240º E (barat-barat daya) dengan kecepatan antara 0,35 m/hari sampai dengan 0,48 m/hari. ABSTRACTPlan for construction and operation of demo disposal facility in Serpong Nuclear Area requires safety assessments to provide scientific evidence that the facility is safe for human and the environment. The result of the safety assessment is used also as a basis for granting environmental permits for the construction and operation of the facility. One of the site data requirements on the safety assessment is the direction and velocity of groundwater flow. Therefore, a study to determine the direction and velocity of groundwater flow at lower zone aquifer of demo disposal site candidate in Serpong Nuclear Area conducted. The research was carried out by using Rhodamin WT tracer. The tracer released in the main well (SBU) and monitored in SBP-1 (A), SBP-2 (B), and SBP-3 (C) boreholes. Based on the water samples and spatial analysis, groundwater data flow direction at a depth of 16 m towards N 240º E (west-southwest) with a velocity of 0.35 m/day up to 0.48 m/day obtained.
Pengaruh Temperatur, Waktu, dan Aditif Dalam Pembuatan Zircon Micronized
Authors: Sajima Sajima , Setyaji Moch 
Published: August 2017

ABSTRAKPenelitian pengaruh temperatur, waktu dan aditif terhadap proses penggilingan dalam pembuatan zircon micronized telah dilakukan. Proses pembuatan zircon micronized diawali dari proses sortir hasil penambangan dilanjutkan dengan benefisiasi, pemanggangan, pelindian, pengeringan dan penggilingan. Hasil penelitian menunjukkan bahwa kondisi proses pemanggangan optimum terjadi pada temperatur 425 °C, selama 25 menit dan menggunakan aditif sebanyak 4%. Pada kondisi proses tersebut diperoleh zircon-micronized (2 µm) sebanyak 92,10% dengan lama penggilingan 10 menit. ABSTRACTResearch on temperature, time and additives effects on milling process in micronized-zircon production has been conducted. The production of zircon micronized started from sorting process on mining products then followed by beneficiation, roasting, leaching, dryng and milling processes. The results showed that the optimum conditions of the roasting process was at the temperature of 425 °C, in 25 minutes and using 4% additives. In these conditions, micronized zircon (2 µm) obtained as much as 92.10% in10 minutes milling time.
Interpretasi Lingkungan Pengendapan Formasi Batuan Menggunakan Analisis Elektrofasies di Lokasi Tapak Puspiptek Serpong
Authors: Syaeful Heri , Muhammad Adi Gunawan 
Published: August 2017

ABSTRAKKegiatan karakterisasi material bawah permukaan penyusun pondasi tapak merupakan bagian dari studi tapak instalasi nuklir. Karakterisasi dilakukan dengan berbagai metode, diantaranya pemahaman tentang sistem pengendapan formasi batuan. Sebagai bagian dari metode interpretasi lingkungan pengendapan, analisis pemodelan fasies berdasarkan elektrofasies memberikan informasi yang cepat mengenai sistem pengendapan suatu formasi batuan. Metodologi yang digunakan adalah dengan interpretrasi log sinar gamma (log GR) menggunakan korelasi relatif antara variasi bentuk log dan fasies sedimentasi. Berdasarkan analisis diketahui Formasi Bojongmanik terbentuk pada lingkungan marine-lagoonal dengan pengaruh gelombang sangat rendah. Log GR yang menunjukan bentuk funnel, bergerigi dan simetris, mengindikasikan fasies shoreface, lagoon, dan tidal point bar. Arah sedimentasi, cekungan, dan suplai pada pengendapan sedimen Formasi Bojongmanik diinterpretasikan relatif ke utara. Formasi Serpong diendapkan pada sistem sungai bermeander dan tersusun atas endapan point bar, crevasse splay dan floodplain. Hasil analisis ini diharapkan dapat menjadi panduan dalam analisis lanjutan terkait karakterisasi material pondasi. ABSTRACTThe activity of subsurface material composing site foundation characterization is part of nuclear installation siting study. Characterization conducted by several methods, such as understanding the depositional environment of rock formations. As a segment of depositional environment interpretation method, facies model analysis based on electrofacies provides quicker information on depositional system of rock formation. Methodology applied is gamma ray log (log GR) interpretation using relative correlation between log shape variation and sedimentation facies. Based on the analysis, Bojongmanik Formation was deposited on marine-lagoonal environment with very low wave influence. Log GR that shows shape of funnel, serrated, and symmetry, indicate shoreface, lagoon, and tidal point bar facies. The direction of sedimentation, basin, and supply of Bojongmanik Formation interpreted relatively to the north. Serpong Formation deposited on meandering river system, and composed of point bar deposit, crevasse splay, and floodplain deposit. The result of analysis is expected to be guidance in further analysis related to the characterization of foundation materials.
Pneumonitis in Adult Onset Still’s Disease: Uncommon or Under Diagnosed?
Authors: Fernandes Silvia , Almeida Margarida , Pereira da Silva José Alberto , Romeu José Carlos 
Published: August 2017

The adult onset Still’s Disease is an uncommon entity characterized by multiple clinical manifestations. Pneumonitis, less often considered, deserves particular emphasis given the need for differential diagnosis and because it can progress to severe respiratory failure. With the aim to highlight the pulmonary parenchyma involvement in patients with adult onset Still’s Disease, we present a case report which progresses with pneumonitis.
Melanoma da Coroideia
Authors: Coutinho Inês , Teixeira Tânia , Simões Paulo César , Lopes João Casalta , Borrego Margarida , Fernandes Júlia , Cabral João , Prieto Isabel , Proença Rui 
Published: August 2017

O melanoma da coroideia é o tumor primário intraocular maligno mais frequente em adultos. Nenhum dos diferentes tratamentos disponíveis oferece vantagens de sobrevida recorrendo-se, cada vez mais, a tratamentos conservadores como a braquiterapia, a qual passou a estar disponível em Portugal desde 2013. Neste artigo revemos as características clínicas, factores de risco, diagnóstico, exames complementares e opções terapêuticas no melanoma da coroideia.
Treatment of Anorexia Nervosa: The Importance of Disease Progression in the Prognosis
Authors: Andrade Rodrigo , Gonçalves-Pinho Manuel , Roma-Torres António , Brandão Isabel 
Published: August 2017

Introduction: Anorexia nervosa is a severe, usually chronic, life-threatening disease of complex etiology characterized by food restriction, overestimation of the importance of body weight and image, intense fear of weight gain and distortion of body image. Anorexia nervosa is associated with high rates of mortality, suicide and decreased quality of life. Our aim is to present an anorexia nervosa treatment program offered in a major university hospital in Portugal, and to determine the impact of illness duration before admission on the outcome. Our hypothesis is that patients with greater disease longevity may have worse prognosis and poorer outcome.Material and Methods: The sample included data from case records of 169 patients seen consecutively and for the first time at Centro Hospitalar São João, between 2010 and 2015. We performed a retrospective observational study which included data collected at admission and from later follow-up years.Results: From the initially selected patients, 14.8% reached total remission, 16% accomplished partial remission and 14.2% ended up with exacerbation/stagnation of the disease. The dropout rate was of 55% throughout our study period. We found significant differences on outcome rates between distinct illness duration groups (p = 0.007).Discussion: There are several factors frequently associated with poor outcome for anorexia nervosa. The interpretation of outcome findings was limited by the high rate of dropout and lack of consistent definition criteria.Conclusion: Our results support the idea that illness duration has an important role on the outcome and prognostic features of these patients.
IMPLEMENTASI SCL (STUDENT CENTERED LEARNING) PADA PEMBELAJARAN KULIAH JARINGAN KOMPUTER (STUDI KASUS: POLITEKNIK TELKOM)
Authors: Siradj Yahdi 
Published: August 2017

Abstract: Nowadays the process of teaching and learning not must wear conventional style where lecturer explained the matter in front of class, and student listened. By Technology Development learning was introduced many new methods which can optimalized the absorb knowledge inside or outside class, at once interactive and pleasure. Such as Student Centered Learning (SCL). On lecture matter Computer Networks in the Politeknik Telkom, SCL method can be implemented with combination of e-quiz, cloud based sharing files, toke Games, and dividing teaching session in the class become 1hour discussion and One hour consultation with lecturer. This method combinantion make Computer Networks learning more effective, interactive, and pleasure.Keywords: Student Centered Learning, Computer Networks, E-quiz, Cloud, Game
ABSTRAK: Saat ini proses pengajaran dan pembelajaran tidak harus bergaya konvensional dimana dosen menerangkan di depan kelas, dan mahasiswa mendengarkan di mejanya masing-masing. Melalui perkembangan teknologi pendidikan diperkenalkan berbagai metode baru yang dapat mengoptimalkan tingkat penyerapan ilmu di kelas maupun di luar kelas, sekaligus interaktif dan menyenangkan. Salah satunya adalah Pembelajaran berpusat pada siswa (SCL). Pada mata kuliah Jaringan Komputer di Politeknik Telkom, metode SCL diimplementasikan dengan memadukan e-quiz, cloud based sharing files, token game dan membagi sesi pengajaran di kelas menjadi 1 jam diskusi dan 1 jam pembahasan oleh dosen. Perpaduan metode ini menjadikan pembelajaran Jaringan Komputer menjadi lebih efektif, interaktif, dan menyenangkan.Kata kunci: Pembelajaran berpusat pada siswa, Jaringan Komputer, E-quiz, Cloud, Game
PENGARUH PENAMBAHAN JUMLAH PIGMEN PADA LAPISAN DASAR (BASE COAT) PADA PROSES FINISHING TERHADAP SIFAT FISIK KULIT SAPI
Authors: Griyanitasari Gresy 
Published: August 2017

ABSTRAKPermintaan kulit yang bermutu semakin meningkat tetapi ketersediaannya semakin menurun. Teknologi pasca penyamakan (finishing) merupakan hal yang dapat dilakukan untuk menutupi kerusakan kulit. Salah satu bahan finishing kulit yang dapat digunakan untuk menutupi cacat kulit adalah pigmen. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan jumlah pigmen pada lapisan dasar terhadap sifat fisik kulit tersamak. Kulit sapi yang sudah disamak ulang diberi perlakuan finishing dengan variasi pigmen 7,5; 10; 12,5; 15; dan 17,5% pada lapisan dasar. Hasil penelitian menunjukkan bahwa pigmen berpengaruh pada penyerapan air selama dua jam dan ketebalan lapisan finishing. Formulasi dengan berbagai variasi pigmen dalam penelitian ini memenuhi standard SNI 0234: 2009 Kulit Bagian Atas Alas Kaki-Kulit Boks dan ISO 20879: 2007 Footwear performance requirements for footwear-upper dari segi ketahanan gosok cat (kering dan basah), penyerapan air (2 dan 24 jam), dan permeabilitas uap air..(Kata kunci: “finishing, kulit sapi, pigmen, permeabilitas uap air”) ABSTRACTThe demand of high quality leather was increasing, but it’s availability was decrease. Finishing was technology to upgrade the quality of leather. Pigment was one of the materials for finishing leather that can correcting grain. The aim of this research was to determine the best variation in addition of pigment as base coat on leather physical properties. Retanned cow leather was finished with 7,5; 10; 12,5; 15; and 17,5% of pigment as base coat. This study revealed pigment, as one of basecoat material, affected not only water absorption for two hous but also leather coating thickness. Finishing formulation used to finish leather, with pigment included, was met the requirements of SNI 0234: 2009 Kulit Bagian Atas Alas Kaki-Kulit Boks dan ISO 20879: 2007 Footwear performance requirements for footwear-upper for rub fastness (wet and dry), water absorption (2 and 24 hours), and water vapour permeability. (Keywords: “finishing, cow leather, pigment, water vapour permeability”)
PENGARUH MODAL SOSIAL TERHADAP TINGKAT KESEJAHTERAAN RUMAH TANGGA PETERNAK: STUDI KASUS PADA KELOMPOK PETERNAK AYAM KAMPUNG NGUDI MULYO, GUNUNGKIDUL
Authors: Putra R. Ahmad Romadhoni Surya , Ariyadi Bambang , Kurniawati Novita , Haryadi Fransiskus Trisakti 
Published: August 2017

Konsep kebijakan pembangunan peternakan Indonesia pada saat ini telah bergeser dari paradigma pembangunan yang sentralistik menuju pada konsep pembangunan partisipatoris. Konsep partisipatoris secara operasional formal diwujudkan dalam bentuk kelompok-kelompok ternak. Kelompok ternak merupakan perwujudan modal sosial di masyarakat yang penting dalam pembangunan masyarakat peternak khususnya dalam peningkatan kesejahteraan rumah tangga. Penelitian ini bertujuan untuk mengetahui pengaruh modal sosial terhadap tingkat kesejahteraan rumah tangga peternak. Pengambilan data melibatkan 61 rumah tangga peternak yang tergabung dalam kelompok ternak Ngudi Mulyo. Hasil penelitian menunjukkan bahwa modal sosial dan aset fisik berpengarh signifikan terhadap tingkat kesejahteraan peternak. Ini menunjukkan bahwa konsep kebijakan yang partisipatoris dalam pembangunan peternakan berkontribusi dalam peningkatan kesejahteraan rumah tangga peternak di Indonesia.
INTEGRATED LIVESTOCK ADOPTION OF INNOVATION CASE STUDY: ARGOSARI AND ARGOREJO VILLAGE, SEDAYU DISTRICTS, BANTUL DISTRICT, D.I YOGYAKARTA PROVINCE
Authors: Supriadi Supriadi , Agus Ali , Darwin Muhadjir , Rijanta Rijanta , Pertiwiningrum Ambar 
Published: August 2017

ABSTRACT Integrated farm is a model for the management of local resources’ potential by integrating livestock and crops into eco-friendly farming (zero waste). It can be the answer for the country’s basic needs of food that is still dependent on imports. Most of the habitants of Argorejo and Argosari village work as farmers and ranchers. Although the formal education of rural people is still low due to low income, the average member of activities to get information, knowledge and management skills in agribusiness sectors to understand the practical, economical, and effective ways in business development. It facilitates adoption of innovation and the process of information absorption. Adoption of innovation is a process of mental or behavioral changes in the form of knowledge (cognitive), attitudes (affective), and skills (psychomotor) since one recognizes the innovation until one decides to adopt it after receiving it. This is qualitative research, with research material in the form of members of agribusiness activities in the intervention program called Mandiri Bersama Mandiri. The method used is descriptive analysis. The data is collected by interview, observation, and records related to the activities of the group. The result of Classification Analysis with Adopter type shows that 7 of the 8 groups in the facilitation of innovation adoption of integrated farms have: 6.7% to 14.3% innovator; 8.3% to 18.2% early adopter; and the rest is 71.4% to 77.8% early majority. One group has no innovator and up to 50% early adopter. The innovators of Mandiri Bersama Mandiri program include the most influential people that have important positions, such as group leaders, village officials, or persons who have knowledge. It indicates that the potential success of the intervention program is located on the adopter type that exists in each member, absorption of new innovations adoption, and succeed in the community empowerment program.
Fracture Design Considerations Based on Pressure Analysis
Authors: Nolte Kenneth G. 
Published: August 2017

ABSTRACT
The basis of Amoco's fracturing design philosophy has changed significantly since 1978 with a resulting marked increase in treatment efficiency and effectiveness. This change has resulted from a coordinated development of field research programs and analytical studies of the fracturing process. An important integrating part of these investigations was the development of a basis for interpreting the fluid-pressure response during and after a treatment and the resultant implications for subsequent treatment design. Principally, this work shows that excessive pressure due to fluid flow in the fracture can cause problems such as excessive height growth and screen-outs which reduce the potential fracture penetration. A primary design change was to limit the pressure through control of the fluid viscosity.
This paper reviews the procedures for analyzing, modeling and interpreting fracturing pressure, the benefits and examples of pressure controlled designs, and the bases for special considerations in fluid, proppant, and pumping schedules to successfully execute controlled pressure designs.