bluuebunny/crossref_metadata_2025_split huggingface dataset:
Corrosion Resistance of Nanostructured WC-CoCr Coating with Co-Cr Alloy Binder
Authors: Wang H. , Wang X. , Song X. , Liu X. , Yang T. 
Published: April 2023

Abstract
A nanostructured WC-CoCr coating was fabricated by HVOF spraying using a new type of WC-CoCr powder in which the CoCr exists in the form of a metallic compound. The CoCr powder constituent was prepared by induction melting and mechanical milling. It was then combined with a WC-Co composite nanopowder and the mixture was agglomerated by spray drying and heat treating. The powders and coatings produced were characterized by means of XRD, EDS, and BSE analysis, nanoindentation testing, and potentiodynamic polarization studies. The results show that the presence of the intermetallic CoCr compound makes nanostructured WC-CoCr coatings harder and much more corrosion resistant than conventional WC-Co-Cr coatings in which Cr exists as an unalloyed metal.
Effect of Multi-Pass Coatings on Surface Structure of Cold Sprayed Si Coatings
Authors: Nakamura J. , Saito H. , Fujita K. , Sakaki K. 
Published: April 2023

Abstract
In this work, pure silicon and Ni-P coated silicon powders were cold sprayed on copper foil. To thicken coating layers, 2-pass and 3-pass coatings were carried out. In the case of Ni-P coated silicon powders, coated anodes show excellent charge-discharge characteristics after two passes. For the pure silicon powders, however, even if a 2-pass operation is performed, the additional attached silicon mass is only 2~3 %. This means that multi-pass spraying is not an effective way to increase the thickness of pure silicon coatings produced by cold spraying.
Research of Influence of Technological Parameters of Process of Spraying on Properties of Polymeric Coatings
Authors: Mankovsky S. , Baldaev L. , Baldaev S. , Sheremetev S. , Fedorova M. , Rigin A. 
Published: April 2023

Abstract
This paper presents the results of research, testing, and comparison of polyamide (nylon) 11 coatings made by flame spraying and electrostatic spraying followed by oven or induction heating. It discusses the advantages and disadvantages of each process and the coating properties that can be achieved.
Influence of Ni Content on the Wear Resistance of B4C-Ni Coatings Sprayed by APS
Authors: Zhang Y. , Jia C. , Jia P. , Zhang J. , Jia Y. 
Published: April 2023

Abstract
B4C-Ni powders ranging in content from 5-60 wt% Ni were fabricated by pressurized hydrogen reduction and deposited on mild carbon steel substrates by air plasma spraying. The microstructure, morphology, and phase composition of the powders and coatings were evaluated by means of SEM and XRD analysis. The influence of Ni content on coating microstructure, fretting wear resistance, hardness, and adhesive strength was investigated in detail. The results show that Ni affects fretting wear resistance, which was found to be highest in the coating with 40 wt% nickel. The B4C-40Ni coating also proved superior in terms hardness, porosity, and friction coefficient, although its adhesive strength was the lowest.
Fracture Toughness of Hard Coatings Applied by Flame Spray Process Using Flexicord Feedstock
Authors: Lima C. R. C. , Orozco M. S. , Fals H. C. , Mojena M. A. R. , Ferraresi V. A. 
Published: April 2023

Abstract
In this study, Vickers indentation testing is used to determine the fracture toughness of hard flame spray coatings produced from cored-wire feedstocks, including WC-10Co4Cr, 75CrCo-25NiCr, and WC-12Co. Average measured values are compared with fracture toughness values calculated from seven different equations found in the literature in order to validate the experimental results and to better understand the relationship between fracture toughness and coating hardness for each of the tested materials.
Effect of Gas Pressure on Interfacial Bonding Features of the Cold-Sprayed Ni Coatings on Al Substrate
Authors: Xie Y. , Planche M.-P. , Raoelison R.-N. , Verdy C. , Herve P. , Liao H. 
Published: April 2023

Abstract
In this study, cold sprayed Ni is deposited on Al substrates using different gas pressures. Spherical Ni powder was sprayed on cylindrical substrates using argon as the powder carrier and compressed air as the propellant. Coating and splat surfaces and cross-sections were examined, adhesion strength was measured, and particle velocity and temperature were determined through CFD simulations. The results show that denser, more well adhered coatings were obtained under higher propellant pressure. Higher gas pressure increases particle velocity, which intensifies material deformation and the disruption of surface oxides in the impact area, resulting in greater metallurgical bonding between the splats and the substrate. The formation of Ni-Al intermetallic phase at the interface region due to heat treatment was confirmed and its effect on bonding strength is discussed.
7YSZ Coating Prepared by PS-PVD Based on Heterogeneous Nucleation
Authors: Zhang X. F. , Zhou K. S. , Liu M. , Deng C. M. , Mao J. , Deng Z. Q. , Deng C. G. 
Published: April 2023

Abstract
In plasma spray-physical vapor deposition (PS-PVD), deposition takes place not only from liquid splats, but also from nanosized clusters as well as the vapor phase. As a result, thin, dense, and porous ceramic coatings can be produced for special applications using this method. In this study, columnar-structured YSZ coatings were deposited by PS-PVD on graphite and zirconia substrates and the effect of substrate temperature on coating microstructure was investigated. A deposition mechanism of heterogeneous nucleation is presented based on the observations and findings of the study.
Particle Diagnostics and Coating Properties in Reactive Plasma Spray Process
Authors: Shahien M. , Yamada M. , Fukumoto M. 
Published: April 2023

Abstract
This study investigates the influence of particle temperature and velocity during reactive plasma spraying and the effect of plasma gases on coating properties. Using hydrogen gas with low flow rate was found to be better for reactive plasma spraying of fine Al2O3-AlN mixtures. The H2 gas increased in-flight particle temperature, affecting in-flight vaporization, AlN content, phase transformation, deposition efficiency, and coating thickness. N2 gas, on the other hand, increased particle velocity, thereby reducing particle residence time in the plasma, which affects melting, nitride conversion, and phase transformation.
Modification in Powder Feeder for Nano-Powder for Thermal Spray Thin Coatings
Authors: Upadhyaya R. , Shrivastava S. , Modi S. C. , Modi A. 
Published: April 2023

Abstract
This paper discusses the modification of powder feeders to facilitate the deposition of nano materials by thermal spraying without the use of a suspension or solution precursor. Two powder feeder designs were developed and used to deposit nanocarbide coatings by HVOF spraying. The nano coatings were examined and tested, and the results are presented and discussed.
BIOLOGICAL CONTROL OF TERMITES: A BIBLIOMETRIC AND STATE-OF-THE-ART REVIEW
Authors: Brito Coêlho Claudio , Costa Guaraná Araujo Emmanoella , Dandara dos Santos Brasil Iaci , Pontes Teixeira das Chagas Kyvia , Cardoso Silva Thiago , Orso Gabriel Agostini , Reis Prazeres Mascarenhas Adriano , Vendruscolo Jhony 
Published: April 2023

ABSTRACT: Termites are considered pests and biological control is an environmentally friendly alternative to reduce pesticide contamination. It was aimed with this study to compile the publications indexed in the Scopus platform referring to biological control of termites between 1981 and 2019. A total of 143 publications were found, each of which was read and filtered according to the selection criteria. The studies analyzed were conducted in 16 countries, with the United States leading the way (44%). A total of 55 termite species and seven families were recorded in the papers. For the control agents tested, more than 140 species were identified and classified. Plant insecticides were the most cited, with emphasis on oils and extracts from Azadirachta indica and Chamaecyparis obtusa. It was noted that most research was conducted on a laboratory scale in the form of experimental designs. This may limit more comprehensive discussions of the biological termite control agents tested. Although the use of other control agents is increasing, there is a wide range of insecticides and plant-derived compounds that can be studied.
Keywords: pesticides; Xylophagous agente; control agentes; ccosystem engineers; systematic review.

Controle biológico de cupins: uma revisão bibliométrica e estado da arte

RESUMO: Os cupins são considerados pragas e o controle biológico é uma alternativa ecologicamente correta para reduzir a contaminação por pesticidas. Objetivou-se com este estudo compilar as publicações indexadas na plataforma Scopus referentes ao controle biológico de cupins entre 1981 e 2019. Foram encontradas 143 publicações, cada uma delas foi lida e filtrada de acordo com os critérios de seleção. Os estudos analisados foram realizados em 16 países, com os Estados Unidos liderando (44%). Um total de 55 espécies de cupins e sete famílias foram registradas nos trabalhos. Para os agentes de controle testados, mais de 140 espécies foram identificadas e classificadas. Os inseticidas vegetais foram os mais citados, com ênfase em óleos e extratos das espécies Azadirachta indica e Chamaecyparis obtusa. Foi observado que a maioria das pesquisas foram conduzidas em escala laboratorial na forma de delineamentos experimentais. Isto pode limitar discussões mais aprofundadas sobre os agentes biológicos de controle de cupins testados. Embora o uso de outros agentes de controle esteja aumentando, há uma vasta gama de inseticidas e compostos derivados de plantas que podem ser estudados.
Palavras-chave: pesticidas; agente Xilófago; agentes de controle; engenheiros de ecossistema; revisão sistemática.
OTIMIZAÇÃO DE PONTOS AMOSTRAIS AO LONGO DO FUSTE PARA DETERMINAÇÃO DA DENSIDADE BÁSICA DA MADEIRA DE Eucalyptus saligna
Authors: Nörnberg Laíse Vergara , Cardoso Gabriel Valim , Fernandes Marco Antônio Muniz , Santos Osmarino Pires dos , Pimentel Nathalia 
Published: April 2023

A densidade básica da madeira possui grande importância no controle de qualidade da madeira, devido a fácil determinação e alta correlação com as demais características da madeira, porém esta possui grande variabilidade no sentido longitudinal do tronco. Neste contexto, este trabalho teve como objetivo analisar possíveis otimizações de pontos amostrais ao longo do fuste para a determinação da densidade básica da madeira de Eucalyptus saligna. As árvores foram amostradas em 0%, diâmetro na altura do peito (DAP), 33%, 66% e 100% da altura comercial. A partir da densidade básica pontual foram definidas a densidade média ponderada pelo volume e a densidade média aritmética da árvore. Os resultados demonstraram que não se pode assumir que a densidade média aritmética equivale ao valor da densidade média ponderada pelo volume da madeira de Eucalyptus saligna. Não foi possível determinar um único ponto ótimo de amostragem, ressaltando ainda que a amostragem na altura referente ao DAP não é indicada. Utilizando-se da combinação de dois pontos amostrais, as posições DAP e 33% apresentaram melhor estimativa da densidade básica. Já com três pontos amostrais, a estimativa da densidade básica pode ser obtida com alta precisão, se a amostragem for realizada nas posições DAP, 33% e 66%.
Palavras-chave: qualidade da madeira; massa específica básica; variação longitudinal.

Sampling points optimization along the stem to determine the wood basic density of Eucalyptus saligna

ABSTRACT: The wood basic density is important for wood quality control, because it is easy to determine and has high correlation with other wood characteristics, however, basic density has wide variability even in the same tree, mainly along stem longitudinal direction. In this context, this study objective was to analyze different possibilities to sampling points optimization along the stem to determine the wood basic density of Eucalyptus saligna. At the trees were sampled at heights for 0%, diameter at breast height (DBH), 33%, 66% and 100% commercial height. From punctual basic density, average density weighted by volume and arithmetic average density of each tree were defined. The results showed that it is not possible to assumed with statistical certainty that the arithmetic average density accurately estimates the value of Eucalyptus saligna wood weighted average density. Determine a single optimal sampling point was not possible, it is worth mentioning that sampling only at height referring to DBH is not indicated. Using two sample points combination, DBH and 33% positions presented wood basic density best estimate. With three sampling points, density estimate can be obtained with high precision, if sampling is performed in DBH, 33% e 66% positions.
Keywords: wood quality; specific gravity; longitudinal variation.
INSTITUTIONAL REGULATION OF ECO-MIGRATION POLICY IN GEORGIA
Authors: Manvelidze Irakli 
Published: April 2023

Purpose - The main aim for our research is gaining knowledge of institutional regulation of eco-migration processes in Georgia and, consequently, evaluating the state politics of eco-migration, so as to show off what improving changes can be considered in coming years exactly in the above-mentioned direction.
Design/methodology/approach - The research design is based on the institutional approach to studying migration processes. And the empirical analysis was based on the information collected as a result of the study of archival-state documents and interviews in eco-migrant populated areas. The survey was conducted from March 12 to September 25, 2022.
Findings - Outcome of our research underlines that the development of institutional provision of eco-migration processes has gone through the different stages during the last centenary in Georgia. As if from the side of government appropriate policy is worked out, however, the research showed that it is necessary to establish a systematic and transparent approach to eco-migration and resettlement by the state, the implementation of which should become the prerogative of both the central government and the municipal administration, which should probably happen in the near future.
Originality/value - The scientific novelty of our work is that, for the first time, we studied the historical context of the state policy of eco-migration, the goals of the state policy of eco-migration, the strategy of the state policy of eco-migration and the legal basis of the legal regulation of eco-migration as a process.
Día de Muertos in Alaska
Authors: Zagal Itzel , Edwin Christina 
Published: April 2023

Abstract
The celebration of Día de Muertos (Spanish for Day of the Dead) has been hosted by the Latino community in Anchorage, Alaska, every second of November since 2004, where the ritual to honor ancestors is shared, and a symbolic bridge between the communities that converge within the territory is built. During the 2021 celebration, the Indigenous women Christina Edwin (Denaa and Chicana) and Itzel Zagal (Mexica Xochimilca) collaborated on an altar that was culturally appropriate for Olga Ezi (Ahtna Dene, South Central Dena'ina matriarch). It was a tribute the Alaska Native women (Chedas or grandmothers) and brought together Indigenous perspectives with a common respect for ancestries. This collaboration found that Día de Muertos is a spiritual practice and an act of cultural resistance and solidarity.
PENGARUH INFLUENCER DAN IKLAN TERHADAP KEPUTUSAN PEMBELIAN DI MARKETPLACE SHOPEE
Authors: Hadipranata Qurrata Ayunina Ciptantri , Marzuki Achmad , Prastiwi Mia Indah 
Published: April 2023

Penelitian ini bertujuan untuk mengetahui dan menganalisis pengaruh influencer dan iklan terhadap keputusan pembelian di marketplace shopee pada mahasiswa STIE Widya Wiwaha Yogyakarta. Populasi dalam penelitian ini adalah Mahasiswa/i STIE Widya Wiwaha yang tidak diketahui jumlahnya. Jumlah sampel sebanyak 120 responden dengan pengambilan sampel menggunakan teknik accidental sampling. Berdasarkan penelitian, hasil uji t diketahui influencer berpengaruh signifikan terhadap keputusan pembelian dengan nilai signifikasi 0,000 lebih kecil dari 0,05 maka secara individual influencer berpengaruh signifikan terhadap keputusan pembelian di marketplace shopee, iklan berpengaruh signifikan terhadap keputusan pembelian dengan nilai signifikan 0,013 lebih kecil dari 0,05 maka secara individual iklan berpengaruh signifkan terhadap keputusan pembelian di marketplace shopee pada Mahasiswa/i STIE Widya Wiwaha. Hasil uji F diketahui nilai sig sebesar 0,000 lebih kecil dari 0,05 maka dapat disimpulkan influencer dan iklan berpengaruh signifikan terhadap keputusan pembelian di marketplace shopee. Berdasarkan uji koefisien determinasi influencer dan iklan memiliki pengaruh sebesar 0,473 atau 47,3 % terhadap keputusan pembelian di marketplace shopee.
PENGARUH JENJANG PENDIDIKAN DAN KEMAMPUAN MENYUSUN LAPORAN KEUANGAN TERHADAP KINERJA OPERASIONAL UMKM
Authors: Zulkifli Zulkifli , Prasetyo Agung Slamet , Perwitasari Ayu Putri 
Published: April 2023

Penelitian ini bertujuan untuk menganalisis pengaruh jenjang pendidikan dan kemampuan menyusun laporan keuangan secara parsial maupun simultan terhadap kinerja operasional UMKM. Jenis penelitian ini adalah penelitian kuantitatif. Data dalam penelitian menggunakan data primer yang diperoleh dari penyebaran kuesioner yang diisi langsung oleh pemilik toko atau manager di toko alat jahit yang tersebar di wilayah Yogyakarta. Penelitian ini dilakukan menggunakan metode Convenience Sampling dengan memberikan sejumlah kuesioner kepada kepala toko dan manager toko. Kuesioner diberikan kepada pemilik toko dan manager, karena mereka memiliki pengetahuan dan kemampuan dibidang menyusun laporan keuangan dibandingkan karyawan lainnya. Jumlah sampel pada penelitian ini adalah sebanyak 50 responden dari keseluruhan populasi. Teknik analisis data menggunakan uji asumsi klasik dan regresi linear berganda dengan menggunakan SPSS (Statistical Product and Service Solutions). Hasil penelitian menunjukkan bahwa: (1) Jenjang Pendidikan berpengaruh terhadap kinerja operasional UMKM dengan signifikansi 0,027 < 0,05. Kemampuan Menyusun Laporan Keuangan tidak berpengaruh terhadap Kinerja Operasional UMKM dengan signifikansi 0,006 < 0,05. (3) Secara simultan latar belakang pendidikan dan kemampuan menyusun laporan keuangan berpengaruh terhadap kinerja operasional UMKM dengan nilai signifikansi 0,000 < 0,05. Berdasarkan uji koefisien determinasi (R2) sumbangan pengaruh variabel independen (X) terhadap variabel dependen (Y) sebesar 17,0% dan sisanya 83,0% dipengaruhi oleh variabel lain yang tidak dimasukkan dalam penelitian.
INVENTARISASI PEMANFAATAN TUMBUHAN DAN RELEVANSINYA SEBAGAI SUMBER PEMBELAJARAN EKOPEDAGOGIK BERBASIS KEARIFAN LOKAL
Authors: Wahyuni Holy Ichda , Shoukat Nadia , Romadhon Nurhidayatullah 
Published: April 2023

Indonesia merupakan negara megabiodiversitas salah satunya adalah keberagaman tumbuhan. Tumbuhan memiliki manfaat penting dalam kehidupan masyarakat. Pemanfaatan ini penting untuk dikemas dalam bentuk inventarisasi. Inventarisasi memiliki manfaat dalam pengembangan pendidikan lingkungan atau ekopedagogi berbasis kearifan lokal. Penelitian ini bertujuan untuk mengidentifikasi inventarisasi pemanfaatan tumbuhan oleh masyarakat lokal, dan mendeskripsikan kerangka konseptual relevansi hasil inventarisasi sebagai sumber pembelajaran ekopedagogik berbasis kearifan lokal. Penelitian ini dilaksanakan di Desa Paciran, pesisir Utara Kabupaten Lamongan Jawa Timur. Penelitian ini merupakan penelitian kualitatif dengan analisis deskriptif. Pengumpulan data inventarisasi dilakukan melalui wawancara informan kunci, kemudian dilanjutkan dengan analisis relevansi inventarisasi pemanfaatan tumbuhan sebagai sumber pembelajaran ekopedagogik berbasis kearifan lokal dengan pendekatan studi pustaka. Temuan penelitian ini sebanyak 46 spesies tumbuhan dimanfaatkan oleh masyarakat lokal, didominasi pemanfaatan sebagai obat. Informasi tersebut relevan dikembangkan sebagai sumber pembelajaran ekopedagogik berbasis kearifan lokal. Langkah-langkah yang ditempuh adalah merumuskan data potensi daerah dalam hal ini adalah inventarisasi pemanfaatan tumbuhan oleh masyarakat lokal, kemudian data yang tersedia dikembangkan menjadi sumber pembelajaran ekopedagogik melalui berbagai model pengembangan. Indonesia is a megabiodiversity country, one of which is the diversity of plants. Plants have important benefits in people's lives. This utilization is important to package in the form of an inventory. Inventory has benefits in the development of environmental education or ecopedagogy based on local wisdom. This study aimed to identify an inventory of plant utilization by local society, and describe the conceptual framework for the relevance of inventory results as a source of ecopedagogic learning based on local wisdom. This research was located in Paciran Village, north coastal area of Lamongan Regency, East Java. This research was a qualitative research with descriptive analysis. Inventory data collection was carried out through interviews of key informants, then the research was continued with an analysis of the relevance of inventorying the use of plants as a source of ecopedagogic learning based on local wisdom with a literature study approach. This study resulted that 46 plants species were used by local society, dominated by medicinal use. This information was relevant to develop as a source of ecopedagogic learning based on local wisdom. The steps taken were to formulate regional potential data and in this case was an inventory of plant utilization by local society, then the available data was developed into a source of ecopedagogic learning through various development models.
PENGARUH MEDIA TANAM DAN BERBAGAI JENIS TANAMAN UNTUK MENGETAHUI PERTUMBUHAN AWAL
Authors: Wibowo Agung Setya , Suprianto Amelia Nur , Al Iksan Yusuf Elhasani 
Published: April 2023

Penelitian ini bertujuan untuk mengetahui pengaruh media tanam dan berbagai jenis tanaman terhadap pertumbuhan awal. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan 2 faktor, faktor pertama adalah Jenis media tanam (A) terdiri dari 5 taraf yaitu A1 kandang sapi, A2 kandang kambing, A3 Kandang itik, A4 tanah, A5 humus, Faktor kedua adalah Jenis Tanaman (B) sebanyak 5 taraf yaitu B1 Jagung, B2 kacang Panjang, B3 Kedelai, B4 Mentimun, B5 Bawang merah. Variable yang diamati tinggi tanaman, diameter Batang, Jumlah daun, Panjang daun, Lebar daun dan Panjang daun. Analisis data menggunakan analisis varians (anova) taraf 5%. Hasil penelitian dari perlakuan A2B4 kombinasi kandang kambing dengan tanaman mentimun memberikan hasil terbaik pada pertumbuhan tinggi tanaman, diameter batang, panjang daun, lebar daun dan panjang akar, sedangkan varibel jumlah daun ditunjukkan pada perlakuan A4B1 yaitu kombinasi perlakuan antara tanah dan tanaman jagung.