bluuebunny/crossref_metadata_2025_split huggingface dataset:
MANEJO DOS CAROÇOS DE AÇAÍ COMO POSSIBILIDADE DE DESENVOLVIMENTO LOCAL NO MUNICÍPIO DE ANANINDEUA-PA
Authors: Menezes Grece Kelly Alencar , Couto Luciano Louzada , Flores Maria do Socorro A. 
Published: October 2022

A pesquisa tem como objetivo apresentar uma discussão sobre resíduos oriundos do processamento do açaí, abordando a relevância da gestão dos resíduos sólidos possibilitando o desenvolvimento local, através da atuação dos comerciantes que trabalham o com despolpamento do fruto, uma vez que estes são os grandes geradores do resíduo, produzindo diariamente uma quantidade significativa de caroços, e que depender da forma como são destinados, pode ser considerada adequada ou inadequada. o descarte dos caroços de açaí pode ser re-significado a partir da coleta e destinação final adequada, sendo tratado como objeto de valor econômico, servindo de insumo para outras atividades econômicas, e que ainda não foi observado pela maioria dos comerciantes locais. Na metodologia o método empírico aplicado é o estudo de caso, baseado em uma abordagem qualitativa, de caráter analítico descritiva e exploratória. O principal resultado reflete a análise da importância da atuação do poder público municipal, em parceria com o setor empresarial, e nas conclusões observa-se que nesta parceria, promove diversos resultados positivos, que estão relacionados com a inclusão dos batedores de açaí na economia circular no município, destinação adequada deste resíduo específico, desoneração dos gastos públicos com os serviços de limpeza pública, eliminação dos vetores, promovendo a implantação da governança ambiental, redução dos passivos ambientais conforme previsão dos ditames da PNRS. PALAVRAS-CHAVE: Destinação adequada, Economia Circular, Resíduos Sólidos.
A NATUREZA PROPTER REM DAS OBRIGAÇÕES AMBIENTAIS APLICADAS A RESTAURAÇÃO FLORESTAL NO BRASIL
Authors: Sá João Daniel Macêdo , Costa Matheus Amaral da 
Published: October 2022

A responsabilidade civil ambiental é objeto da Súmula n° 623 do Superior Tribunal de Justiça, especificamente a reparação do dano ambiental como obrigação propter rem. Nesse contexto, o instituto das obrigações propter rem é analisado quanto à sua natureza jurídica e sua correlação com a responsabilidade civil ambiental aplicada á restauração florestal. Se extrai dessa análise que obrigações e responsabilidade civil são institutos autônomos, que possuem independência epistemológica e aplicação própria. PALAVRAS-CHAVE: Dano, Obrigações ambientais, Responsabilidade civil, Restauração florestal.
ESPAÇO ERVA VIDA E A EMANCIPAÇÃO DAS MULHERES PESCADORAS DE MARUDÁ, MARAPANIM - PA
Authors: Monteiro Maurícia Melo , Souza Antônio Jorge Ataíde , Oliveira Nayana Véras Jardim de , Barbosa Wagner Luiz Ramos 
Published: October 2022

Este artigo discute a prática da fitoterapia popular entre pescadoras no município de Marudá-Marapanim, nordeste do Estado do Pará - Brasil; e alude a uma parte da história deste grupo de "erveiras", denominado Erva Vida, nascido numa comunidade piscatória, originalmente devido ao declínio desta atividade. A prática tornou-se uma alternativa de ocupação para complementação de renda, uma vez que os remédios artesanais à base de ervas passaram a ser comercializados na casa Erva Vida (Espaço). Com base nos conceitos de Etnofarmácia e nas projeções da Organização Mundial da Saúde (que) os autores discutem como a prática das "erveiras" contribuiu para o desenvolvimento local. Este trabalho considera ainda a relação entre os recursos naturais regionais e os saberes locais, na realidade amazônica, e como ambos interagem sob a ação dessas mulheres, provocando o fortalecimento do seu Grupo, a partir de variáveis como liberdade, visibilidade, segurança, autoestima e capital social. PALAVRAS-CHAVE: Etnofarmácia, Fitoterápicos, Desenvolvimento local.
DESENVOLVIMENTO DE MÓVEIS A PARTIR DE AÇAIZEIRO (Euterpe oleracea Mart.)
Authors: Silva EDILEIA Pereira , Tavares Dias Carmen Gilda Barroso , Rocha Thomas Osmane Santos 
Published: October 2022

O Brasil dispõe de grande quantidade de matéria prima proveniente de fontes renováveis, a destacar os excedentes da indústria de alimentos que apresentam capacidade de gerar novos produtos com função econômica, cultural e social. O Estado do Pará é o maior produtor de açaí (Euterpe oleracea Mart.), com 98,3% do total nacional. Com o objetivo de construir protótipo de móvel a partir do estipe da palmeira e frações do fruto pouco comercializados, foi projetado banco com dois tipos de peças. Os estipes foram beneficiados como madeira, em cortes longitudinais sextavados, tratados em prensa hidráulica a 4t e temperatura de 80ºC por 10 minutos para retirar o excesso de umidade. A fibra, foi a fração do fruto individualizada em separador rotativo, prensadas em molde de alumínio formando mantas usadas na produção dos compósitos. Estes, foram aplicados no acento do protótipo e para análise mecânica. Os compósitos foram produzidos por processo manual e caracterizado por ensaio de flexão e impacto Charpy. A morfologia e cristalinidade das fibras foram avaliadas por MEV e DRX. Os resultados mecânicos do ensaio de flexão do compósito foi de ±88,25 MPa e a energia de impacto Charpy ±2,79 J/m, correspondendo ao reforço de 62% e ao aumento de tenacidade de 65% em relação a matriz. O móvel foi avaliado por requisitos da norma brasileira ABNT NBR/13962:2018 que estabelece sobre os móveis de escritório. Em conclusão, o estudo revelou resultado promissor do material na aplicação, podendo se tornar uma alternativa de uso em projetos moveleiros.
DAMPAK SOSIAL EKONOMI MASYARAKAT TERHADAP BERDIRINYA INDUSTRI PABRIK KERTAS DI DESA SUNGAI BAUNG KECAMATAN AIR SUGIHAN KABUPATEN OGAN KOMERING ILIR (OKI)
Authors: Pertiwi Citra 
Published: October 2022

Penelitian ini membahas tentang dampak industri dari sosial ekonomi, apakah dampak industri pabrik kertas membawa pengaruh terhadap pola sosial ekonomi masyarakat dan apakah dengan adanya industri pabrik kertas membawa dampak terhadap pendidikan, kesehatan, pendapan, dan fasilitas hidup. Responden dalam penelitian ini adalah masyarakat di desa sungai baung kecamatan air sugihan. Jumlah responden dalam penelitian ini ditetapkan 109 responden dengan menggunakan teknik pengambilan sampling jenuh. Penelitian ini menggunakan analisis spss. Hasil penelitian ini menunjukkan bahwa: pendidikan, kesehatan, pendapatan, dan fasilitas hidup berpengaruh positif dan signifikan terhadap berdirinnya industri pabrik kertas.
Pembelajaran Audio Visual CD Interaktif Terhadap Keterampilan Menyimak
Authors: Uma Nenni Uma Nenni , Wulandari Sari , Nurrahmawati Erfha 
Published: October 2022

Tidak disadari keterampilan menyimak tidak begitu diperhatikan oleh sekolah.Sekolah hanya terfokus kepada anak menulis dan membaca untuk bekal mereka memasuki sekolah yang lebih lanjut. Penelitian ini bertujuan untuk mengembangkan media pembelajaran audio visual CD untuk anak usia dini. Penelitian ini merupakan penelitian R&D dengan menggunakan metode perkembangan Borg and Gall. Tahapan pengembangan meliputi lima tahapan : analisis kebutuhan, perencanaan pengembangan produk awal, pengujian terbatas, revisi hasil uji produk. Analisis kebutuhan dilkukan dalam penelitian ini untuk mengetaui apakah media pembelajaran Audio Visual CD Ineraktif layak digunakan. Dari hasil penilaian bahwa pengembangan media pembelajaran audio visual CD Interaktif ”Sangat Layak” digunakan. Hasil penilaian Guru I sebesar 96%, penilaian Guru 2 sebesar 98%, penilaian Guru 3 sebesar 96%, penilaian Guru 4 sebesar 92%. Rata-rata seluruh penilaian Guru 95% dari hasil penilaian bahwa pengembangan media pembelajaran audio visual CD Interaktif”Sangat Baik” digunakan.
PENGEMBANGAN MODUL FISIKA BERBASIS AUGMENTED REALITY (AR) MATERI RANGKAIAN ARUS SEARAH UNTUK SISWA SMA
Authors: Ilhamsyah Bagus Yusuf , Sudarti Sudarti , Bektiarso Singgih 
Published: October 2022

fisika merupakan cabang ilmu pengetahuaan alam, dimana fisika digunakan untuk proses memahami suatu fenomena alam. tujuan dari penelitian ini adalah untuk mendeskripsikan kevalidan dan kepraktisan modul fisika berbasis augmented reality (AR) untuk materi rangkaian arus searah dengan menggunakan responden sebanyak 15 mahasiswa baru angkatan 2020 pada semester genap tahun ajaran 2020/2021. penelitian ini merupakan penelitian pengembangan untuk menghasilkan sebuah produk dengan menggunakan desain Nieveen. Instrument dalam pengumpulan data dalam penelitian ini adalah lembar validasi dan kuisioner kepraktisan. hasil dari penelitian ini adalah modul fisika berbasis augmented reality untuk materi rangkaian arus searah dinyatakan valid dengan persentase validasi gabungan sebesar 88,49% dan modul fisika berbasis augmented reality untuk materi rangkaian arus searah dinyatakan praktis dengan persentase hasil rata-rata yang diperoleh dari kuisioner kepraktisan sebesar 84,67%
UJI RESOLUSI SPASIAL DAN SLICE THICKNESS PADA CT SCAN 128 DAN 16 SLICE DENGAN MENGGUNAKAN PHANTOM QUART DVT-AP
Authors: Kathon Baghaskoro Otniel , Hartoyo Puji , Samsun Samsun 
Published: October 2022

CT-Scan adalah salah satu modalitas untuk diagnosis utama, kualitas citra dari CT-Scan sangat berpengaruh terhadap diagnosis. Untuk menguji kualitas citra CT-Scan diperlukan suatu alat ukur berupa phantom. Penelitian ini bertujuan untuk menganalisa penggunaan phantom Quart DVT-AP terhadap nilai resolusi spasial dan slice thickness pada CT-Scan 128 Slice dan 16 Slice. Uji resolusi spasial dan slice thickness dilakukan dengan menggunakan perhitungan dari citra digital. Phantom dipindai dengan melakukan variasi nilai slice thickness (2,5 , 5 , dan 10 mm). Penentuan nilai resolusi spasial dan slice thickness diperoleh dari nilai Edge Spread Function(ESF) menggunakan software bawaan phantom yaitu Quart CT-TEC dan juga Matlab. Kemudian digunakan juga phantom Gammex ACR untuk membandingkan nilai resolusi spasial dan slice thickness yang didapat menggunakan Quart DVT-AP. Hasil penelitian ini menunjukan bahwa phantom Quart DVT-AP mampu mengukur slice thickness pada CT-Scan 128 dan 16 slice dan sanggup mengukur sampai pasangan garis ke 6 yaitu 0,9 Lp/mm, lebih tinggi jika dibandingkan dengan hasil yang didapat menggunakan phantom Gammex ACR. Variasi ketebalan slice tidak mempengaruhi hasil pengukuran resolusi spasial dan slice thickness dan hasil perhitungan dari software CTTEC menunjukkan hasil yang sama baiknya dengan Matlab. Nilai resolusi spasial dan slice thickness telah dibandingkan dengan nilai lolos uji sesuai rekomendasi BAPETEN, sehingga perangkat CT-Scan masih layak untuk digunakan.

Kata Kunci : Edge Spread Function(ESF), Phantom Quart DVT-AP, Resolusi Spasial,
Slice Thickness, Software CTTEC
Kinetics of steel casting solidification during vertical continuous casting
Authors: Marukovich E. I. , Demchenko E. B. 
Published: October 2022

A technique that allows calculating the values of the specific heat flux in a given range of values of the technological parameters of casting and the maximum allowable thickness of the casting crust at the outlet of the mold is proposed. The information on the temperature regime of the mold at various casting parameters can serve as a database containing the necessary information to solve the casting solidification problems. With the subsequent design of tooling and equipment, there is no need for additional experimental studies and analysis of the results obtained.
Automatic Localization of License Plate for Car in Wolfram Mathematica
Authors: Hundzina M. A. , Zhdanovich M. N. 
Published: October 2022

Modern imaging devices make it possible to solve a complex of technical applied problems that require the synthesis and analysis of computer processing methods using threshold binarization, image classification, clustering, and the use of machine learning to determine areas of interest. Thus, segmentation algorithms are widely used for processing medical images. Computer technologies are used for the functioning of the intellectual environment, which allows to analyze the state of human health. The development of microelectronics makes it possible to increase the complexity of the applied image processing algorithms used to solve applied engineering problems. The issues of segmentation, pattern recognition, description and presentation of details, morphological analysis of images obtained by industrial equipment are widely discussed in the literature. For example, theories of optical signal processing taking into account interference, issues of image perception and analysis are presented in detail in domestic and foreign literature. The paper describes the developed algorithm for localizing a car license plate, implemented in the Wolfram Mathematica system. First, the region of interest is determined, isolated from the rest of the image for its subsequent processing. An image representation is implemented using an affine transformation. Further segmentation of the characters on the license plate allows the characters to be identified. In the Mathematica system, a program code for the car license plate localization algorithm for its further recognition has been developed. The solution to the problem was obtained using the step-by-step application of the built-in and user-defined functions of the Wolfram Mathematica system. The algorithm has been tested on a representative sample of images. The average error did not exceed 10 %, which is in line with modern industrial image processing algorithms. The resulting car license plate identification algorithm can be used in digital devices to automatically determine and further image processing.
Scale Remediation in the Marcellus Shale: Calcium Carbonate and Iron Sulfide
Authors: Perkins Laura , Tyree Ryan , Ondash Michael , Kreutzman Lauren 
Published: October 2022

Abstract
This paper outlines solutions for problems encountered due to scale deposits in Marcellus Shale wells, including approaches taken to remediate scale buildup. As wells in the Marcellus Shale produce over time, scale deposits in tubing form and have proven to be difficult to treat. These scale restrictions can cause well performance issues which limit options for artificial lift. Through sampling and lab analysis, the primary types of scale found are calcium carbonate and iron sulfide. After several years of evaluation, plunger lift equipment was unable to be installed in 25-30% of prospective wells due to scale buildup greater than tubing drift or 1.90″ in 2.375″ J-55 tubing.
Calcium carbonate and iron sulfide scale tend to become very hard when they deposit on tubing walls and, as a result, they do not broach or scrape away easily. Throughout this remediation process, several types of broaches were trialed with minimal success. The most effective method for scale remediation was found to be hydrochloric acid (HCl), however, HCl introduces safety and operational concerns. From an operational perspective, the hydrostatic pressure exerted by a column of acid in the tubing can be difficult for an older well to unload. Volume and pressure calculations help prevent reservoir damage by not killing the well and corrosion inhibitors added to hydrochloric acid reduce risk of tubular degradation. The reaction between calcium carbonate and iron sulfide with HCl can produce an elevated amount of CO2 and H2S, respectively which are not present in normal operations. Additional safety measures taken in these operationally induced sour conditions are detailed in this paper.
Through engineering efforts, along with computational fluid dynamics and field trials, several iterations of acid plungers designed specifically for scale remediation have been developed and successfully implemented. The role of the acid plunger is to provide temporary liquid holdup of the acid while simultaneously gauging the tubing walls as the acid column leaks by. The liquid holdup from the acid plunger provides sufficient contact time between the acid and scale buildup, especially in the vertical section of the well. The development of this process has resulted in the successful remediation of 62 wells to date. This includes using variations of this technique to free downhole tools stuck in scale. Additionally, there has not been reoccurring scaling deposits detected that would impede plunger lift operations.
Further research for this project included trialing a corrosion-resistant stainless-steel slickline containing large amounts of nickel. This line, in conjunction with acid, provides additional versatility and more efficient means of scale removal. Future methods of scale remediation involve utilizing synthetic "green" acids and large volume lateral acid batches
Cement Sheath Fatigue Failure Prediction by Support Vector Machine Based Model
Authors: Zheng Danzhu , Ozbayoglu Evren M , Miska Stefan Z , Liu Yaxin 
Published: October 2022

Abstract
Zonal isolation is significant for safety operation of the well. Failure to keep wellbore integrity can lead to sustained annulus pressure (SAP), and gas migration (GM), which may cause long non-productive time. Losing zonal isolation can cause severe environmental issue, which is irreversible and detrimental. However, cement sheath is exposed to temperature and pressure changes from the beginning of the drilling process to the whole life of the well. These cyclic changes can lead to fatigue failure of the cement. The objective of this study is to investigate the fatigue failure that caused by cyclic changing of temperature and pressure during life of the well. The scope of the study is based on the laboratory fatigue failure cases in previous literatures. Instead of using mechanical failure models, support vector machine (SVM) model is used to predict the fatigue failure of the cement sheath.
The data is gathered from six papers of One-Petro, which includes 325 laboratory cement fatigue failure cases. The model has fourteen inputs. Seven cement related factors were selected, which include cement type, additive material, Uniaxial Confining Strength (UCS), curing temperature, curing pressure, curing age, and Young's modulus. Seven experimental related factors, which include highest inner pressure, loading increment rate, frequency of loading, experimental temperature, confining pressure, existence of outer confining part, and cycles to reach failure. The SVM model is implemented by Python. We investigated 240 combinations of input groups and selected the best performance SVM model. The classification result is zero for no fatigue failure, and one for failure.
The accuracy for the SVM model is 72.7%, which shows that SVM can be an acceptable model for cement fatigue prediction. The SVM model we proposed is more applicable for real implementation. Because we used real wellbore geometry data (thick wall geometry). Although the data were based on laboratory result, the SVM model provides a helpful method in predicting cement-sheath-failure.
This study provides a data based method to predict cement fatigue failure under cyclic changing pressure and temperature. The result will be instructive for the cement design and wellbore operation optimization.
A Non-Conventional Well Technology Approach to Improve Hydrocarbon Recovery from a Mature Field: Brown Field Case Study
Authors: Elwegaa Khalid , Kolawole Oladoyin , Ahmed Saleh , Tomomewo Olusegun Stanley 
Published: October 2022

Abstract
Hydrocarbon recovery from conventional reservoirs is currently at a declining rate, thus, the petroleum industry needs to find ways to economically produce hydrocarbon from mature and marginal oilfields in conventional reservoirs. Non-conventional well technology can enable the oil industry to do so. This study investigated how a novel non-conventional well technology coupled with a geomechanical approach can potentially improve hydrocarbon recovery from mature fields. Here, we utilized data from Brown field XX located in North Africa, and it is composed of distinct geological formations. One of the formations, "Upper Gir," is an ideal candidate for the application of the non-conventional well technology. We used a reservoir simulator (SURE) to create a dynamic model by incorporating geomechanical tools from a static model previously built using Petrel software. SURE was used to model five simulation scenarios, with each scenario featuring a different well type. The scenarios simulated are the base case, do-nothing, vertical wells, horizontal wells, and multi-lateral wells. The model developed in this study forecasted 25 years of oil production for each simulation scenario and analyzed the results. The results of our numerical simulation study revealed that for 25 years, the multilateral wells produced +0.9% and +0.5% more hydrocarbon than the conventional wells and the horizontal wells, respectively. We also observed a reduction in the average water-cut from 25% to 20% (achieved in the conventional-well scenario) and from 23% to 20% (achieved in the horizontal-well scenario). Our proposed non-conventional well technology has shown promising potentials to improve hydrocarbon recovery, stabilize reservoir pressure, economic returns, and eliminate the risk of water conning in mature fields.
Better Perforations Help Solve the Gummy Bears Problem
Authors: Albert Larry , McQueen Gavin , Weida Dana , Shaw Clint 
Published: October 2022

Abstract
In wells with relatively high levels of iron, the use of polyacrylamide friction reducers (FR) used for hydraulic fracturing can result in poor performance due to negative chemical interactions. Hazra, et.al. (URTeC 2487 July 2020) documented a problem with the chemical reaction of FR and iron (ferrous and ferric) during hydraulic fracturing. This chemical reaction can create an accumulation of a semi-solid mass referred to as "gummy bears" due to their rubbery texture (figure 1). These gummy bears can form in surface and subsurface equipment and inhibit well production. In addition to the formation of gummy bears, the performance of FR is significantly impaired when reacting with iron (figure 2).
Pyrite (FeS2) is a common mineral found in source rock. Ferrous iron (Fe2+) can be released by oxidative dissolution of pyrite minerals. In reservoirs with high concentrations of pyrite, iron can be released by dissolving reservoir rock during acid spearheading. Acid spearheading is a common industry practice during hydraulic fracturing operations. The process involves pumping a small quantity of acid pre-frac to dissolve rock material around the wellbore, cleaning up perforations, and reducing near wellbore entry friction. The focus of the acid spearhead is to lower breakdown pressures and improve injectivity during hydraulic fracturing. The problem that Hazra (2020) described was on a Woodford Shale project in Oklahoma. The Woodford is known to contain significant quantities of pyrite (observed at around 2%). One solution proposed was to eliminate the use of acid during the hydraulic fracturing operation. The potential downside was higher near wellbore frictions that would need to be addressed by higher hydraulic horsepower (HHP) and FR volumes.
Figure 1 Effect of Fe2+ and Fe3+ on friction reduction properties of polyacrylamide friction reducer Figure courtesy of Downhole Chemical Solutions Figure 2 Gummy Bears Photo courtesy of Downhole Chemical Solutions
The process of explosive perforating can create high near wellbore friction due to the perforation tunnel crushing that occurs during the perforation process. The acid spearhead is pumped to clean up this crushed zone and improve perforation tunnel performance. A new system of perforating was described by Albert (SPE 199274-MS 2019) that incorporated propellant and explosives perforating to eliminate the perforation tunnel crushed zone and reduce near wellbore friction. This paper will describe a Barnett Shale project that utilized this new composite perforating method to eliminate the use of acid.