bluuebunny/crossref_metadata_2025_split huggingface dataset:
Guidelines for personal exposure monitoring of chemicals: Part I
Authors: Hashimoto Haruo , Yamada Kenichi , Hori Hajime , Kumagai Shinji , Murata Masaru , Nagoya Toshio , Nakahara Hirohiko , Mochida Nobuyuki 
Published: August 2017

Abstract
This Document, “Guidelines for personal exposure monitoring of chemicals” (“this Guideline”), has been prepared by “The Committee for Personal Exposure Monitoring” (“the Committee”) of the Expert Division of Occupational Hygiene & Ergonomics, Japan Society for Occupational Health. Considering the background of the growing importance of personal exposure monitoring in risk assessment and the need to prepare for the introduction of monitoring using personal samplers from an administrative perspective in recent years, the Committee was organized in November 2012. The Committee has prepared this Guideline as a “practical guideline” for personal exposure monitoring, so as to offer proposals and recommendations to the members of the Japan Society for Occupational Health and to society in general. The scope of this Guideline covers all chemical substances and all related workplaces regarded as targets for general assessment and the management of risk. It thus is not to be considered to comment on legal regulations and methodology. The main text provides the basic methods and concepts of personal exposure monitoring, while 31 “Appendices” are provided later in this Guideline throughout the series; technical descriptions, statistical bases, and actual workplace examples are provided in these appendices, to assist better understanding. The personal exposure monitoring described as per this Guideline is equivalent to an “expert-centered basic method to reasonably proceed with the assessment and management of risk at workplaces.” It is considered that practicing and expanding on this method will significantly contribute in reforming the overall framework of occupational hygiene management in Japan.
A equidade da formação docente na modalidade a distância
Authors: Santarosa Lucila Maria Costi , Conforto Debora 
Published: August 2017

Este artigo problematiza os desafios enfrentados por pessoas com deficiência em contextos de formação a distância, com o objetivo de sintonizar essa modalidade de ensino às contemporâneas configurações da escola tecnológica e inclusiva. O Curso de Formação de Professores em Tecnologias Digitais Acessíveis operou como corpus de análise para que o campo de conhecimento da acessibilidade e da usabilidade fosse discutido e explicitado na organização curricular e gerencial desse espaço de formação. Ao aproximar o discurso e a prática da inclusão em processos educacionais para sistemas Web, as estratégias de reconhecimento das especificidades humanas implementadas conduziram ao desenvolvimento de uma plataforma digital acessível. Esse processo e a customização de materiais didáticos e de flexibilização curricular ilustram os resultados que consolidam ações de inclusão essenciais e eletivas no âmbito da educação a distância.
Contribuições de Jürgen Habermas para o debate epistemológico iniciado por Karl Popper e Theodor Adorno
Authors: De Araujo Ramos Rubia 
Published: August 2017

O Objetivo deste artigo consiste em apresentar fundamentos da propostaepistemológica de Jürgen Habermas, identificados em obras precedentes à suaTeoria do agir comunicativo. A partir de Teoria analítica da ciência e dialética seráexplorada a proposta do autor, tendo percorrido antecipadamente pela querela entre Popper e Adorno; posteriormente busca-se analisar como Habermas, em debate com seus contemporâneos, retrata sua proposta em Técnica e ciência como ideologia, considerado um marco para a Escola de Frankfurt.
Tumor Lysis Syndrome in Chronic Lymphocytic Leukemia with Novel Targeted Agents
Authors: Cheson Bruce D. , Heitner Enschede Sari , Cerri Elisa , Desai Monali , Potluri Jalaja , Lamanna Nicole , Tam Constantine 
Published: August 2017

Abstract
Tumor lysis syndrome (TLS) is an uncommon but potentially life-threatening complication associated with the treatment of some cancers. If left untreated, TLS may result in acute renal failure, cardiac dysrhythmia, neurologic complications, seizures, or death. Tumor lysis syndrome is most commonly observed in patients with hematologic malignancies with a high proliferation rate undergoing treatment with very effective therapies. In chronic lymphocytic leukemia (CLL), historically, TLS has been observed less often, owing to a low proliferation rate and slow response to chemotherapy. New targeted therapies have recently been approved in the treatment of CLL, including the oral kinase inhibitors, idelalisib and ibrutinib, and the B-cell lymphoma-2 protein inhibitor, venetoclax. Several others are also under development, and combination strategies of these agents are being explored. This review examines the diagnosis, prevention, and management of TLS and summarizes the TLS experience in CLL clinical trials with newer targeted agents. Overall, the risk of TLS is small, but the consequences may be fatal; therefore, patients should be monitored carefully. Therapies capable of eliciting rapid response and combination regimens are increasingly being evaluated for treatment of CLL, which may pose a higher risk of TLS. For optimal management, patients at risk for TLS require prophylaxis and close monitoring with appropriate tests and appropriate management to correct laboratory abnormalities, which allows for safe and effective disease control.
Peningkatan Aktivitas Enzim Selulase dan Produksi Glukosa Melalui Fermentasi Substrat Jerami Padi Dengan Fungi Aspergillus niger yang Dipapari Sinar Gamma
Authors: Mulyana Nana , Dyah Larasati Tri Retno , Nurhasni Nurhasni , Ningrum Meliana 
Published: August 2017

Penelitian ini bertujuan untuk meningkatkan aktivitas enzim selulase dan produksi glukosa dalam substrat jerami padi dengan fungi Aspergillus niger yang dipapari sinar gamma Chamber 4000A. Kaldu kentang dektrosa (PDB), garam mineral dengan substrat jerami padi 0 dan 5% berat/volum digunakan sebagai medium cair. Fungi Aspergillus niger dalam media agar miring (slent) dipapari dengan iradiasi gamma pada dosis 0 (kontrol),125, 250, 375, 500 dan 625 Gy. Fungi Aspergillus niger yang dipapari sinar gamma 500 Gy memiliki aktivitas selulase lebih tinggi (2,5 kali) dibanding kontrol (0 Gy) yaitu 2,02 U/ml-2,28 U/ml untuk fungi yang dipapari iradiasi gamma dan 0,60 U/ml-1,12 U/ml untuk kontrol. Pada fermentasi fase padat substrat jerami padi dengan kadar kelembaban awal 81% selama 14 hari menggunakan fungi Aspergillus niger yang dipapari sinar gamma 500 Gy dan kontrol. Hasilnya menunjukkan bahwa fungi Aspergillus niger 500 Gy memiliki aktivitas selulase lebih tinggi (3,9 kali) dibandingkan kontrol yaitu 31,01 U/g untuk fungi yang dipapari sinar gamma dan 7,85 U/g untuk kontrol. Di samping itu, fungi Aspergillus niger (500 Gy) mampu memproduksi glukosa lebih tinggi (2,6 kali) yaitu 125,79 mg/g sedangkan kontrol (0 Gy) adalah 48,00 mg/g. Penggunaan ekstrak enzim kasar yang dihasilkan oleh fungi Aspergillus niger yang dipapar sinar gamma 500 Gy sesuai untuk hidrolisis substrat jerami padi dalam memproduksi glukosa serta mampu meningkatkan aktivitas selulase. Kata kunci : Aspergillus niger, iradiasi gamma, aktivitas selulase, glukosa, fermentasi padat
Kajian Komparatif Parameter Kualitas Tanah di Beberapa Tataguna Lahan Sub DAS Cisadane Hulu dengan Pb-210 excess dan Cs-137
Authors: Aliyanta Barokah 
Published: August 2017

Analisis inventori Pb-210 excess dan Cs-137 serta parameter kualitas tanah dan estimasi laju erosi telah dilakukan di 4 tataguna lahan di sub DAS Cisadane Hulu. Pengambilan sampel tanah dilakukan dengan alat corer sampai kedalaman 20 cm pada tiap tataguna lahan secara transek. Satu sampel scrap dan 4 sampelcoresdiambil di Hutan Pinus, Pasir Jaya, untuk mendapatkan inventori pembanding.Erosi yang cukup serius telah terjadi di 4 tataguna lahan di sub DAS Cisadane Hulu. Kandungan Pb-210 excess mempunyai korelasi positif dengan kandungan organik karbon tanah (79% C) dan kandungan nitrogen ( 56 % N) dalam tanah, sedangkan Cs-137 berkorelasi positif masing-masing dengan 23% C dan 33 % N dalam tanah. Fakta-fakta ini memberikan informasi bahwa inventori Pb-210 excess lebih efektif dari inventori Cs-137 sebagai sarana untuk mempelajari dinamika transport karbon akibat erosi maupun mengetahui status kualitas tanah. Katakunci : parameter kualitas tanah, Pb-210 excess, Cs-137, inventori
ANALISIS KESELAMATAN TERMOHIDROLIK BULK SHIELDING REAKTOR KARTINI
Authors: Khakim Azizul 
Published: August 2017

ABSTRAK ANALISIS KESELAMATAN TERMOHIDROLIK BULK SHIELDING REAKTOR KARTINI. Bulk shielding merupakan fasilitas yang terintegrasi dengan reaktor Kartini yang berfungsi sebagai penyimpanan sementara bahan bakar bekas. Fasilitas ini merupakan fasilitas yang termasuk dalam struktur, sistem dan komponen (SSK) yang penting bagi keselamatan. Salah satu fungsi keselamatan dari sistem penanganan dan penyimpanan bahan bakar adalah mencegah kecelakaan kekritisan yang tak terkendali dan membatasi naiknya temperatur bahan bakar. Analisis keselamatan paling kurang harus mencakup analisis keselamatan dari sisi neutronik dan termo hidrolik Bulk shielding. Analisis termo hidrolik ditujukan untuk memastikan perpindahan panas dan proses pendinginan bahan bakar bekas berjalan baik dan tidak terjadi akumulasi panas yang mengancam integritas bahan bakar. Code tervalidasi PARET/ANL digunakan untuk analisis pendinginan dengan mode konveksi alam. Hasil perhitungan menunjukkan bahwa mode pendinginan konvekasi alam cukup memadai dalam mendinginkan panas sisa tanpa mengakibatkan kenaikan temperatur bahan bakar yang signifikan. Kata kunci: Bulk shielding, bahan bakar bekas, konveksi alam, PARET. ABSTRACT THERMAL HYDRAULIC SAFETY ANALYSIS OF BULK SHIELDING KARTINI REACTOR. Bulk shielding is an integrated facility to Kartini reactor which is used for temporary spent fuels storage. The facility is one of the structures, systems and components (SSCs) important to safety. Among the safety functions of fuel handling and storage are to prevent any uncontrolable criticality accidents and to limit the fuel temperature increase. Safety analyses should, at least, cover neutronic and thermal hydraulic calculations of the bulk shielding. Thermal hydraulic analyses were intended to ensure that heat removal and the process of the spent fuels cooling takes place adequately and no heat accumulation that challenges the fuel integrity. Validated code, PARET/ANL was used for analysing the spent fuels cooling with natural convection mode. The calculations results concluded that natural convection cooling mode can adequately cools down the decay heat without significant increase in fuel temperatur. Keywords: bulk shielding, spent fuels, natural convection, PARET.
KARAKTERISTIK PERPINDAHAN PANAS KONVEKSI ALAMIAH ALIRAN NANOFLUIDA AL2O3-AIR DI DALAM PIPA ANULUS VERTIKAL
Authors: Nazar Reinaldy 
Published: August 2017

ABSTRAK KARAKTERISTIK PERPINDAHAN PANAS KONVEKSI ALAMIAH ALIRAN NANOFLUIDA AL2O3-AIR DI DALAM PIPA ANULUS VERTIKAL. Hasil beberapa penelitian menunjukan bahwa nanofluida memiliki karakteristik termal yang lebih baik dibandingkan dengan fluida konvensional (air). Berkaitan dengan hal tersebut, saat ini sedang berkembang pemikiran untuk menggunakan nanofluida sebagai fluida perpindahan panas alternatif pada sistem pedingin reaktor. Sementara itu, konveksi alamiah di dalam pipa anulus vertikal merupakan salah satu mekanisme perpindahan panas yang penting dan banyak ditemukan pada reaktor riset TRIGA, reaktor daya generasi baru dan alat konversi energi lainnya. Namun disisi lain karakteristik perpindahan panas nanofluida di dalam pipa anulus vertikal belum banyak diketahui. Oleh karena itu penting dilakukan secara berkesinambungan penelitian-penelitian untuk menganalisis perpindahan panas nanofluida di dalam pipa anulus vertikal. Pada penelitian telah dilakukan analisis numerik menggunakan program computer CFD (computational of fluids dynamic) terhadap karakteristik perpindahan panas konveksi alamiah aliran nanofluida Al2O3-air konsentrasi 2% volume di dalam pipa anulus vertikal. Hasil kajian ini menunjukkan terjadi peningkatan kinerja perpindahan panas (bilangan Nuselt- NU) sebesar 20,5% - 35%. Pada moda konveksi alamiah dengan bilangan 2,4708e+09 £ Ra £ 1,9554e+13 diperoleh korelasi empirik untuk air adalah dan korelasi empirik untuk nanofluida Al2O3-air adalah Kata kunci: Nanofluida Al2O3-air, konveksi alamiah, pipa anulus vertikal ABSTRACT THE CHARACTERISTICS OF NATURAL CONVECTIVE HEAT TRANSFER OF AL2O3–WATER NANOFLUIDS FLOW IN A VERTICAL ANNULUS PIPE. Results of several research have shown that nanofluids have better thermal characteristics compared to conventional fluid (water). In this regard, currently developing ideas for using nanofluids as an alternative heat transfer fluid in the reactor coolant system. Meanwhile the natural convection in a vertical annulus pipe is one of the important mechanisms of heat transfer and is found at the TRIGA research reactor, the new generation nuclear power plants and other energy conversion devices. On the other hand the heat transfer characteristics of nanofluids in a vertical annulus pipe has not been known. Therefore, it is important to do research continuously to analyze the heat transfer nanofluids in a vertical annulus pipe. In the research has been carried out numerical analysis by using computer code of CFD (computational of fluids dynamic) on natural convection heat transfer characteristics of nanofluids flow of Al2O3-water 2% volume in the vertical annulus pipe. The results showed an increase in heat transfer performance (Nusselt numbers - NU) by 20.5% - 35%. In natural convection mode with Rayleigh numbers 2.4708e+09 £ Ra £ 1.9554e+13 obtained empirical correlations for water is and empirical correlations for Al2O3-water nanofluids is . Keywords: Al2O3-water nanofluids, the natural convection, the vertical annulus pipe
EVALUATION ON MECHANICAL FRACTURE OF PWR PRESSURE VESSEL AND MODELING BASED ON NEURAL NETWORK
Authors: Susmikanti Mike , Himawan Roziq , Hafid Abdul , Hartini Entin 
Published: August 2017

ABSTRACT EVALUATION ON MECHANICAL FRACTURE OF PWR PRESSURE VESSEL AND MODELING BASED ON NEURAL NETWORK. The important component of the PWR is a pressure vessel. The material resistance in the pressure vessel needs to be evaluated. One way of evaluation is by the mechanical fracture analysis. The modeling needs to know the phenomena of the analysis result in general. A number of researches have been completed on the calculation of mechanical fracture in the pressure vessel with an internal load. The mechanical fracture was modeled using a neural network approach. In relation to the material resistance of the pressure vessel, which is used in PWR AP1000, the material must be evaluated because of the effect of the load. The modeling is needed to predict the effect of the load. The aim of this study is to evaluate the material resistance through mechanical fracture analysis because of the influence load on the pressure vessel on PWR AP1000. The material, which was observed, is SA 508. This analysis consists of the calculation of stress intensity factor and J-integral with some load at the crack propagation position. The fracture mechanic was analyzed by finite element simulation. The result of Stress Intensity factor and J-Integral was compared with fracture toughness to know the durability of the material. The modeling of J-Integral and Stress Intensity Factor were obtained for some load based on neural network approach. Keywords: Material resistance, mechanical fracture, neural network, PWR, pressure vessel, crack propagation. ABSTRAK EVALUASI FRAKTUR MEKANIK PADA BEJANA TEKAN PWR DAN PEMODELAN BERBASIS NEURAL NETWORK. Komponen penting dari PWR adalah bejana tekan. Ketahanan bahan di bejana tekan perlu dievaluasi. Salah satu cara adalah dengan analisis fraktur mekanik. Pemodelan diperlukan untuk mengetahui fenomena hasil analisis pada umumnya. Terdapat penelitian untuk perhitungan fraktur mekanik dalam bejana tekan dengan beban internal. Penelitian lain adalah hasil dari fraktur mekanik dimodelkan menggunakan pendekatan jaringan syaraf. Sehubungan dengan ketahanan material dari bejana tekan yang digunakan dalam PWR AP1000, bahan harus dievaluasi karena efek dari beban. Pemodelan diperlukan untuk memprediksi pengaruh beban pada bahan dalam bejana tekan. Tujuan dari penelitian ini adalah untuk mengevaluasi ketahanan material melalui analisis fraktur mekanik karena pengaruh beban pada bejana tekan. Bahan yang diamati, adalah SA 508. Analisis ini terdiri dari perhitungan faktor intensitas tegangan dan J-integral dengan beberapa beban pada posisi perambatan retak. Fraktur mekanik dianalisis dengan metode elemen hingga. Hasil faktor intensitas tegangan dan J-Integral dibandingkan dengan ketangguhan patah untuk mengetahui daya tahan material. Pemodelan J-Integral dan faktor intensitas stres diperoleh untuk beberapa beban berdasarkan jaringan saraf. Kata kunci: Ketahanan bahan, teknik patahan, jaringan syaraf, PWR, bejana tekan, perambatan retak.
PENGARUH BENTUK ROUTING PERPIPAAN SISTEM PENDINGIN PRIMER REAKTOR TRIGA KONVERSI TERHADAP PENURUNAN AKTIVITAS N-16 DI PERMUKAAN TANGKI REAKTOR
Authors: Wardhani Veronica Indriati Sri , Rahardjo Henky Poedjo 
Published: August 2017

ABSTRAK Program konversi reaktor TRIGA 2000 Bandung dari bahan bakar silinder menjadi bahan bakar pelat perlu perancangan sistem pendingin reaktor yang baru. Perancangan sistem pendingin reaktor yang baru tersebut diusahakan tidak banyak mengalami perubahan dari sistem pendingin reaktor yang telah ada, mengingat ruang dan tempatnya tidak mungkin diubah. Oleh karena itu perlu dilakukan analisis untuk memilih routing perpipaan sistem pendingin reaktor TRIGA pelat yang dapat memenuhi persyaratan pendinginan sistem yang sesuai dengan kondisi ruang dan tempat yang telah ada. Mengingat batasan ruang yang ada maka ada 4 (empat) kemungkinan bentuk routing yang bisa dirancang. Dari keempat kemungkinan routing tersebut kemudian dilakukan analisis waktu tempuh partikel N-16 yang memancarkan radiasi gamma (γ) dari teras ke permukaan tangki reaktor. Penelitian dilakukan dengan mengasumsikan rapat massa(ρ) fluida pendingin konstan (fluida inkompresibel), seluruh N-16 yang dihasilkan dalam teras reaktor terangkut ke permukaan tangki reaktor. Hasilnya menunjukkan bahwa routing alternatif 3 adalah yang paling optimum, karena waktu tempuhnya mendekati 5 (lima) kali waktu paruh N16 (36,7047 detik), sehingga aktivitasnya turun dari 100% menjadi 3%nya (A/A0 = 0,0317) dan panjang pipanya masih cukup untuk dimasukkan ke dalam ruang sistem pendingin reaktor yang tersedia. Kata kunci: Routing, perpipaan, aktivitas N-16, waktu paruh, reaktor TRIGA pelat. ABSTRACT The conversion program in 2000 Bandung TRIGA reactor fuel from the cylinder into fuel plates needs a new reactor cooling system design. The design of the new reactor cooling system are devised in such away to not much changed from the existing reactor cooling system, regarding its space and location have no possibility to change. Therefore, pipe routing analysis is required to select the plate type TRIGA reactor cooling system, to meet the cooling requirements of the system, attempted to match with the existing space and location. According to the availability of the existing space, four (4) possibilities of pipe routing can be designed. From the four possibilities of pipe routing, then analyze the travel time of particles N-16, which emits gamma radiation from the core to the surface of the reactor tank. Analysis was performed by assuming a constant cooling fluid density (ρ) (incompressible fluid), the entire N-16 generated in the reactor core is transported to the surface of the reactor tank. The results show that the third alternative pipe routing is the most optimum, due to its approaching transport time is five (5) times the half-life of N-16 (36.7047 sec), so that its activities decreases from 100% to 3% (A/A0 = 0.0317) and the pipe length is still enough to put in the available space reactor cooling system. Keywords: Pipes, routing, N-16 activities, half-life , TRIGA reactor plate type.
IMPLEMENTATION OF MISSING VALUES HANDLING METHOD FOR EVALUATING THE SYSTEM/COMPONENT MAINTENANCE HISTORICAL DATA
Authors: Hartini Entin 
Published: August 2017

Missing values are problems in data evaluation. Missing values analysis can resolve the problem of incomplete data that is not stored properly. The missing data can reduce the precision of calculation, since the amount of information is incomplete. The purpose of this study is to implement missing values handling method for systems/components maintenance historical data evaluation in RSG GAS. Statistical methods, such as listwise deletion and mean substitution, and machine learning (KNNI), were used to determine the missing data that correspond to the systems/components maintenance historical data. Mean substitution and KNNI methods were chosen since those methods do not require the formation of predictive models for each item which is experiencing missing data. Implementation of missing data analysis on systems/components maintenance data using KNNI method results in the smallest RMSE value. The result shows that KNNI method is the best method to handle missing value compared with listwise deletion or mean substitution.Keywords: missing value, data evaluation, alghorithm, implementation IMPLEMENTASI METODE PENANGANAN DATA HILANG UNTUK MENGEVALUASI DATA SEJARAH PERAWATAN SISTEM/KOMPONEN. Data hilang merupakan masalah dalam melakukan evaluasi data. Analisis data hilang dapat menyelesaikan permasalahan ketidaklengkapan data yang tidak tersimpan dengan baik. Data yang hilang akan memperkecil presisi dari perhitungan, dikarenakan jumlah informasi yang tidak lengkap. Tujuan dari penelitian ini adalah implementasi metode penanganan data hilang untuk evaluasi data sejarah perawatan sistem/komponen RSG GAS. Metodologi yang digunakan untuk menentukan data hilang yang berhubungan dengan data sejarah perawatan sistem/komponen adalah statistics, listwise deletion dan mean substitution, dan machine learning (KNNI). Metode mean substitution dan KNNI dipilih karena metode ini tidak memerlukan informasi untuk pembentukan model prediksi untuk setiap item yang mengandung data hilang. Implementasi analisis data hilang pada data perawatan sistem/komponen menggunakan metode KNNI menghasilkan nilai RMSE terkecil. Hasil ini menunjukan bahwa metode KNNI merupakan metode terbaik untuk menangani data hilang dibanding dengan listwise deletion atau mean substitution.Kata kunci: data hilang, evaluasi data, algoritma, implementasi