bluuebunny/crossref_metadata_2025 huggingface dataset:
Offline-Signature Verification System using Transfer Learning VGG-19
Authors: Tanvir Kazi , Khan Saidul Mursalin , Ataur Al-Jobair Ibna , Galib Shaikh Allahma
Published: August 2023

Nowadays, Signature verification is one of the most common and effective biometric systems that used to recognize people in many institutions. In modern era of technology, advanced neural networks have provided us an option to solve this issue. In this study, The Robinreni Signature Dataset was utilized to classify the signatures of 64 people, each of whom had 64 original signatures and 64 fake signatures. One of the most popular CNN architecture, namely, VGG19, were used. Firstly, the dataset was distributed accordingly 1649 and 500 for training and validation. Secondly, preprocess the data to train the model. After that the model training process is started using transfer learning approach. Obtained experimental results that VGG19 is best suited for datasets with a validation accuracy of 98.79%.. Everyone has their own unique signature that used to identify and verify important documents and legal transactions. Our study shows the effectiveness of VGG19 for Signature Verification task. The findings will aid in the development of more effective Deep Learning-based signature verification methods.
MENINGKATKAN KEMAMPUAN KOSAKATA BERBAHASA PADA KOSAKATA BERBICARA ANAK DENGAN PENERAPAN METODE BERMAIN PERAN DI KELOMPOK A TK RESTU IBU KOTA DEPOK
Authors: Ditta Kristina Putri  , Nika Sintesa
Published: August 2023

This research was conducted to determine the speaking vocabulary skills of early childhood using the group A role playing method at Restu Ibu Kindergarten. The purpose of this learning improvement research was to look at the speaking vocabulary abilities of early childhood using the group A role playing method at Restu Ibu Kindergarten. In this research activity, a classroom action research model was carried out collaboratively between teachers and colleagues in class A. This research involved 20 children in group A. The data collection process was carried out by researchers by collecting the results of documentation and observation with analytical techniques, namely in the form of descriptive quantitative. The tool used is an observation instrument sheet. There is a success target in this study, namely achieving 75% of the 20 children who have language vocabulary skills which are carried out in cycle 1 and cycle 2 which shows the achievement results in the Pre-action stage with a percentage of 25%, in Cycle 1 as much as 50%, and in Cycle 2 with a success percentage of 85%. This proves that the research carried out has achieved indicators of success in children's early language vocabulary skills that have been applied by researchers. Based on the results of the study which showed an increase of more than 85%, it can be concluded that the Role Playing method can improve vocabulary skills in children's speaking vocabulary by applying the role playing method in group A, Kindergarten, Restu, Ibu Depok.
Determinación de la influencia de variables de operación en la neutralización de las aguas residuales textiles con CO2
Authors: Arbona Cabrera Mercedes , Cabrera Estrada Isabel , O'Farril Pie Maria Eugenia , Fabelo Falcón José Antonio
Published: August 2023

Comúnmente se emplean ácidos fuertes para la neutralización de aguas básicas, aunque generan problemas, como corrosión de equipos, alta reactividad. Se han realizado estudios para usar CO2 comprimido con ese fin. Con esta investigación se persigue determinar la influencia de variables de operación en la neutralización de las aguas residuales textiles con CO2. Se realizó un estudio experimental a nivel de laboratorio y se evaluó el comportamiento del pH. Se aplicaron métodos estadísticos de análisis de datos. El modelo pH = 12,6962 – 0,00903125*Agitación + 0,00254375*Presión*Agitación – 1,61875*Presión+ 0,000168125*Temperatura*Agitación – 0,107125*Temperatura+ 0,026875*Temperatura*Presión – 0,000046875*Temperatura*Presión*Agitación  explica la relación entre el pH y las variables estudiadas así como sus interacciones. El agua residual estudiada presenta características que permiten su neutralización con el empleo del CO2. Un aumento de la presión favorece la disminución del pH, siendo esta la variable que más influye en el proceso de neutralización. Un aumento de temperatura, en el rango estudiado, propicia la reacción sin diminución notable de la solubilidad del CO2. El pH disminuye al aumentar la agitación y este efecto prevalece sobre los efectos causados por las interacciones generadas entre la presión y la agitación así como la temperatura y la agitación, manifestado por los coeficientes expresados en el modelo.
Thickening capacity of Cordia lutea Lam mucilage gum in a liquid soap formulation
Authors: Quezada Moreno Walter , Cevallos Carvajal Edwin , Yomara Proaño Marcia , Medina Litardo Reina , Mariela Proaño Paola , Quezada Torres Walter , Caicedo Álvarez Mauro , Muñoz López Carmen
Published: August 2023

The study refers to the use of Cordia lutea Lam gum as a natural thickener in a liquid soap formulation. The aim was to determine the phytochemical components and the thickening capacity of mucilage gum in a liquid soap formula. The color of the fruit and the mucilage gum were determined by CIELab methodology, the phytochemical screening of the mucilage gum extracted by manual pressure, by rapid chemical reactions. The hydrocarbons were determined by gas chromatography and the viscosity using a rotational viscometer. Liquid soap was made according to a commercial formula using a DCA  design along with the factors amount of mucilage and Texapon at two levels (low and high) and viscosity and foam formation that were used as response variables. The thickening effect of the mucilage gum in the soap was evidenced through the viscosity (mPa.s) and foaming capacity by the test tube method; those variables were tabulated using the statistical software statgraphics plus. Phytochemical results showed the presence of saponins, quinones, carotenoids and coumarins; and hydrocarbon compounds: tetratriacontane (34,28%), n-hexadecanoic acid (28,74%) and 9-12-15-Octadecatrienoic acid (18,19%). The viscosity of the mucilage gum was greater than 14000 mPa.s and that of the liquid soap that ranged from 1931 to 2822 mPa.s. The pH was 6,5 to 6,8 and the foaming was comparatively higher than commercial products. The mucilage gum obtained constitutes a natural thickener with an important projection of immediate application in the pharmaceutical and cosmetic industries.
Impact of critical point restriction on the calculation of surface tension of organic acids using group contribution models
Authors: Almanza-Stable I. O. , Bonilla-Petriciolet A.
Published: August 2023

This manuscript reports the calculation of surface tension of organic acids using new group contribution models. These models were obtained from the Jasper equation and the van der Waals principle of corresponding states. A special analysis was performed to determine the impact of incorporating the critical point restriction on the performance of tested group contribution models. This restriction was incorporated via a penalty term on the objective function used in the group contribution determination, and using the reduced temperature as the input model variable. A total of 885 experimental surface tension data points for 78 organic acids (including aliphatic, aromatic, dicarboxylic, and polyfunctional acids) were used to compare the performance of these group contribution models. The results showed that tested models calculated the surface tension of polyfunctional and aliphatic organic acids with modeling errors lower than 5%. However, the calculation of surface tension of aromatic and dicarboxylic acids was challenging for all tested models. The incorporation of critical point restriction of surface tension as a penalty term in the data processing stage did not improve the performance of tested group contribution models. Group contribution models that used the reduced temperature as an input variable showed the best performance for the calculation of the surface tension of these organic compounds.
EVACUATION CHAIRS: A SURVEY TO ASSESS THE STATE OF THE ART AND DESIRABLE FEATURES FROM THE PERSPECTIVE OF DECISION MAKERS
Authors: Migas Andrzej , Butlewski Marcin , Sydor Maciej
Published: August 2023

The evacuation chair allows safe and efficient evacuation of people with disabilities or injuriesfrom buildings during emergencies. Therefore, evacuation chairs need to be effective in variousconditions of use. It is crucial to know how to choose the right evacuation chair and how tointegrate it effectively into a specific evacuation system. The article aims to identify expectations forevacuation chairs and to evaluate the level of familiarity with how they work of people organizingan evacuation system. This goal was pursued by surveying 41 people who plan and implementevacuation systems in buildings. The analysis of the research results shows a deficit in practicalknowledge concerning the operation of evacuation chairs; consequently, it justifies and suggeststhe need for further action in this area. The respondents chose the answer that seemed to be assafe as possible without having to go into details. They were unable to effectively define the rightexpectations for evacuation chairs. The training of chair use should include brake functioning,the role of the belt securing the head and a leg belt. Users have partially conflicting demands forthe chair, which shows a lack of established criteria, probably due to the lack of practical experiencein the use of emergency chairs. The decision-making model and the factors that affect purchaseshould be examined to determine their needs more precisely. The specific needs of all three groupsof users should be established, and potential antinomies between features should be recognizedand overcome. The study also suggests that future research should focus on the decision-makingprocess, ergonomic quality and measuring the impact of training on the actual effectiveness ofthe evacuation system. In addition, the study also highlights the need for in-depth research andconsideration of user needs in the design process.
RENEWABLE ENERGY SOURCES IN THE EU – CURRENT STATE OF USAGE AND IMPORT DEPENDENCY
Authors: Stefaniak Łukasz , Małyszko (Wesołowska) Małgorzata , Jaskóła Wiktoria
Published: August 2023

European Union countries consumed in 2020 more energy than they produced themselves. Onlyits part was obtained from renewable sources (14.4%). Because of this, the Community focuses itsactivities largely on energy, where it is produced and the level of its consumption. To this purpose,through tools such as EU directives, it obliges Member States to reduce the energy they consume,as well as to increase the share of renewable sources in energy production. The paper analyses theenergy and climate targets for the European Union, particularly those for renewables and energyefficiency, for the oncoming years. In addition, the consumption and production of energy fromrenewable sources of each country was summarized. Only Sweden and Latvia have been shownto consume more than 50% of their energy from renewable sources. On the other hand, about58% of the EU’s consumed renewable energy in 2020 comes from biofuels and renewable waste.The countries’ dependence on energy imports is also apparent, but that from renewable sourcesusually does not account for a large share. It has also been shown that sixteen of the twenty-sevencountries import more than 50% of their energy needs.
Las sanciones pecuniarias de las personas naturales no obligadas a llevar contabilidad recaudada por la Zona 4 - Ecuador.
Authors: Cedeño-Farias Valeria Stefanía , Sánchez-Briones Yenniz Aracely
Published: August 2023

La presente investigación tuvo como objetivo principal analizar la incidencia de las sanciones pecuniarias por tipo de infracción donde solo corresponden a personas naturales no obligadas a llevar contabilidad de la Zona 4 - Ecuador, se utilizó una metodología de tipo mixta porque se analizaron datos cualitativos y cuantitativos relacionados con el problema de investigación planteado. Lo que, permitió conocer la actividad económica de cada contribuyente en cuanto a criterios relacionados al comercio, servicios entre otros. Además, las características que poseen los contribuyentes y los problemas que tienen en relación con las sanciones pecuniarias con la administración tributaria de la zona 4-Ecuador objeto de estudio. Se concluye de forma general en base a los resultados obtenidos dentro de la investigación establecida que la recaudación de impuestos y multas ha aumentado, debido a que el  23% de la muestra considerada, contribuyo al presupuesto general del estado por el concepto de las sanciones pecuniarias  y que los de mayor incidencia  son el  2018 y 2021 por lo que se considera imperioso realizar campañas de información sobre las sanciones pecuniarias de los contribuyentes sujetos a los diferentes regímenes que el Servicio de Rentas Internas (SRI) pone a disposición.
Análisis del comportamiento tributario de las personas naturales no obligadas a llevar contabilidad en la ciudad de Portoviejo.
Authors: Cedeño-Farias Diego Alejandro , Veliz-Valencia Mercedes Noemi
Published: August 2023

El presente trabajo investigativo tuvo como objetivo analizar el comportamiento de los comerciantes de la calle Alajuela de la ciudad de Portoviejo como personas naturales no obligadas a llevar contabilidad dentro del periodo 2020-2021, con el fin de verificar si el patrón de multas tiene una incidencia positiva o negativa en los contribuyentes, o si las mismas permiten un cambio en sus comportamientos, por otra parte, se analizó que el Servicio de Rentas Internas ha tenido sus falencias en cuanto a la recaudación de impuestos y la aplicación de sus normativas que con ello ha llevado al contribuyente a cometer fallas en el sistema, es por ello, que se desarrolló una metodología de investigación exploratoria, descriptiva con un enfoque mixto porque se utilizaron herramientas de tipo cualitativa y cuantitativa para la medición y análisis de las variables vinculadas al comportamiento tributario: (a) conocimiento, (b) cumplimiento y (c) percepción factores que están inmersos en el comportamiento tributario. El estudio fue desarrollado bajo un diseño no experimental, retrospectivo y transversal, los datos fueron recolectados en un momento específico en la línea de tiempo. Dentro del análisis de los resultados de forma general, es que el desconocimiento reina en la población objeto de estudio por tanto se concluye que esta investigación sirva como análisis para que se arme un plan de capacitación para los contribuyentes en la que se involucre a todos aquellos que se mantengan en el comercio activo.
MIGRAÇÃO E DESTERRITORIALIZAÇÃO: SOCIABILIDADE AFETADA E EXCLUSÃO SOCIAL DA FORÇA DE TRABALHO MIGRANTE EM PARAUAPEBAS-PA
Authors: Pereira Raimundo Miguel dos Reis
Published: August 2023

O processo migratório em todo mundo tem se acentuado e, por isso, tem mobilizado vários estudos sobre essa temática. Do ponto de vista geral este trabalho relaciona três efeitos devastadores na vida de (i)migrantes: a desterritorialização, a sociabilidade e a exclusão social. Do ponto de vista da delimitação do tema, agregou-se uma realidade contundente no estado do Pará, sendo o fluxo migratório do estado do Maranhão para Parauapebas no Pará, que a mais de 30 anos, desde a década de 1960, motivo de pesquisas para entender, seja do ponto de vista econômico e/ou social, o processo de afetação da sociabilidade dos migrantes, que em busca de melhores condições de vida, subjugam os seus costumes para poderem sobreviver. Pela complexidade com que o fenômeno migratório se apresenta na região do Sul do Pará, teve-se que, inicialmente, reunir um conjunto significativo de documentos secundários e referenciais bibliográficos, para contextualizar aquela realidade, e, certo trabalho de observação em campo. Constatou-se que o processo de desterritorialização dos migrantes lhes custou ter que se adaptar a cidade de Parauapebas com elevado grau de urbanização, indústria mineradora com alto grau de tecnologias empregadas na extração de minério de ferro. Os migrantes maranhenses, em particular, tiveram que enfrentar a exclusão social, a xenofobia, empregos precários e acusação de promoverem a violência por morarem em lugares periféricos e insalubres.
SAÚDE E ISOLAMENTO SOCIAL EM TEMPOS DE PANDEMIA DA COVID-19 ENTRE DISCENTES DA EDUCAÇÃO PROFISSIONAL E TECNOLÓGICA
Authors: Oliveira Danielle Priscilla Sousa , Da Costa Odaleia Alves , Coutinho Nair Portela Silva , Da Costa Gabriela Oliveira Parentes , Jansen Ricardo Clayton Silva , De Abrantes Rogeria Moreira , De Sousa Rogério Pinto , Ribeiro Aclenia Maria Nascimento
Published: August 2023

O Instituto Federal de Educação, Ciência e Tecnologia do Maranhão (IFMA) suspendeu suas atividades acadêmicas presenciais em 20 de março de 2020, autorizando o retorno presencial híbrido em outubro de 2021. Dessa forma, buscou-se com a atual pesquisa investigar a situação de saúde, o desenvolvimento e progressão dos sintomas relacionados à infecção pelo novo coronavírus e identificar a execução das medidas de contenção comunitária entre os discentes do Ensino Médio de Nível Técnico Subsequente do IFMA nos campi de Barra do Corda, Grajaú e Presidente Dutra. Trata-se de uma pesquisa de campo com abordagem quantitativa e coleta de dados com um questionário on-line semi estruturado, via Google Forms®, onde alcançou-se uma amostra de 65 participantes, sendo 27 do campus de Barra do Corda, 27 de Grajaú e 11 de Presidente Dutra. Destes. 42% (27) referiram desenvolvimento de sintomas característicos da infecção pelo novo coronavírus, e 86% (56) realizou distanciamento e/ou isolamento social durante a pandemia de Corona Virus Disease 2019 (Covid-19). Ficam em aberto discussões futuras e investigações para com aqueles participantes que, por motivos desconhecidos, referiram que não realizaram as medidas de contenção comunitária, fazendo refletir sobre a possível hipótese das necessidades trabalhistas para garantia de renda para seu próprio sustento e de seus familiares.
ELABORAÇÃO, DESENVOLVIMENTO E CONFEÇÃO DE AVENTAIS HOSPITALARES: UMA NECESSIDADE DURANTE A PANDEMIA DO COVID-19
Authors: Oikawa Amanda Aiko Morimoto , Capelassi Carla Hidalgo , Nagamatsu Rosimeiri Naomi , Pinheiro Nélio , Harger Patrícia Helena Campestrini , De Almeida Patrícia Aparecida , Suono Celso Tetsuro
Published: August 2023

A seguinte pesquisa aborda o desenvolvimento, elaboração e a produção de aventais hospitalares para suprirem a demanda ocasionada em tempos de pandemia. O objetivo é evidenciar o processo de produção associado ao histórico da adequação das leis trabalhistas referentes ao uso de equipamento de proteção individual (EPIs). Para tanto, foi utilizado o aparato jurídico para normas de confecção como base dessa pesquisa, começando com a modelagem e desenvolvimento das peças (aventais hospitalares) que foram entregues aos hospitais da região Noroeste do Paraná, possibilitando assim, a averiguação e coesão dos fatos citados e suprindo uma carência regional desse equipamento devido ao aumento expressivo do uso em ambiente hospitalar ocasionado pelo alto contágio do coronavírus.
SÍNDROME DE KLIPPEL – TRENAUNAY: RELATO DE CASO CLÍNICO UNUSUAL COM ACOMPANHAMENTO DE 11 ANOS
Authors: Nogueira Luís Henrique dos Santos , Albuquerque Carlos Eduardo Lopes , Da Frota Fabríolo José Gomes , Loiola Matheus Mendes Carneiro , Ponte Raphaelle Menezes da Frota , Imparato José Carlos Pettorossi , Duarte Danilo Antônio , Moreira Kelly Maria Silva
Published: August 2023

A síndrome de Klippel-Trenaunay é uma patologia congênita, de natureza rara, caracterizada pela presença da tríade: manchas vinho do porto, malformações venosas ou veias varicosas e hipertrofia óssea e/ou tecidual. Sua etiologia ainda não é bem definida, mais de uma forma geral na maioria das vezes acontecem desde o nascimento. O tratamento em geral é conservador, sendo as intervenções limitadas ao tratamento das complicações. Apresentamos o relato de um caso clínico odontológico de um acompanhamento a longa duração de um paciente com manifestações da síndrome desde o nascimento. Ressalta a importância de medidas educativas e preventivas, como meio preventivo para evitar intervenções invasivas como endodontias, exodontias e subsequentes hemorragias e cicatrização retardada. Conclui-se que esses pacientes devem receber tratamento odontológico precocemente e ser acompanhados em centros de referências, com equipes multiprofissionais e um arsenal terapêutico, garantindo a eles promoção de saúde e uma melhor qualidade de vida.
Natural outcrossing and isolation distance requirements in exserted stigma tomato (Solanum lycopersicum) seed production
Authors: PADMINI K , SADASHIVA A T , NAIK L B
Published: August 2023

Genetic purity is of utmost important in seed production of varieties and hybrids. Since exserted stigma tomato types are much prone to natural crossing the chances of genetic contamination is higher in seed production and the recommended isolation requirements for hybrid seed production is higher (200m for foundation seeds and 100m for certified seeds). Hence, studies were conducted at Indian Institute of Horticultural Research, Bangalore, during rabi season of three years, 2007 to 2010 with an objective of determining the extent of natural cross pollination in terms of genetic contamination and to optimize the minimum isolation distance requirements for maintaining genetic purity in seed production of exserted stigma (recessive) tomato. The natural out crossing, i.e. genetic contamination was within 2% (permissible genetic standards) at a minimum isolation of 50m in interior rows of seed plots (R2 and R3) and in all the three years of study. Hence, a safer minimum isolation of 50 m with border rows is sufficient for tomato seed production using exserted stigma Ex-3 as seed parent for obtaining seeds of permissible genetic purity standards (98 %) under IIHR, Bangalore conditions, which is lesser than the recommended isolation of 200m for foundation seeds and 100m for certified seeds in hybrid seed production of tomato.
Integrated nutrient management in rejuvenated guava (Psidium guajava) orchard under semiarid conditions of Eastern Rajasthan
Authors: MEENA R K , MAHWER L N , SAROJ P L , SAROLI D K , MEENA H R , KANWAT M
Published: August 2023

An investigation was carried out during 2010-11 to study the effect of integrated nutrients management after rejuvenating more than 25 years old guava orchard planted at 6×6 m apart under semiarid conditions of eastern Rajasthan. The results revealed that almost all treatments with combined application of organic and inorganic sources of nutrients had significantly influenced the plant growth and yield of guava fruits over control (only recommended dose of NPK, i.e. 500: 200: 500 g/plant-T1). Among different treatments, application of 2/3 of T1+5 kg Vermicompost+250g Azospirillum+250g Azotobacter/plant (T15) significantly increased the vegetative growth of rejuvenated plants in terms of shoot length (148.99 cm), shoot diameter (11.15 mm), number of leaves per shoot (63.25), mean girth of primary branches (15.8 cm), plant spread E-W (3.96 m), N-S (3.55m), canopy volume (7.109 m3) and also fruit diameter polar and equatorial (6.74 and 6.72 cm) and fruit weight (109.71g fruit) but the flowering behavior, fruit yield and quality parameters of guava fruit were significantly superior with the application of 2/3 of T1+25 kg FYM+250g Azospirillum+250g Azotobacter/Plant (T11). Further, this treatment (T11) also influenced early flowering as less number of days required for flowering (29.31days), highest number of flowers per shoot (8.13), better fruit set (39.95%), fruit retention (58.50%) and fruit yield (15.03 kg/plant and 4.18 t/ha) in third year of rejuvenation. The fruits harvested under this treatment exhibited best quality traits, which were judged by analyzing TSS (13.93 0B), acidity (0.454%), ascorbic acid (231.21 mg/100 g), TSS:acid ratio (30.77), reducing sugar (4.61%), non-reducing sugar (3.07%) and total sugar (7.29%). Therefore, application of 2/3 quantity of recommended dose of NPK, i.e. 500:200:500 g+25 kg FYM+250g Azospirillum+250g Azotobacter/plant is recommended for harvesting more than 20% higher yield and better quality fruits from rejuvenated guava orchards.
Genetic diversity analysis in coriander (Coriandrum sativum) varieties
Authors: MEENA R S , KAKANI R K , CHOUDHARY SHARDA , SINGH BALRAJ , PANWAR ALKA
Published: August 2023

Twenty four varieties of coriander (Coriandrum sativum L.), developed by different centres which located at diverse eco-geographical origins of the country, were undertaken in present investigations to determine divergence for seed yield and its 10 component traits. Tocher method of hierarchical cluster analysis was applied to group the varieties. Varieties were grouped into four clusters. All varieties were grouped in four clusters that showed narrow genetics base of Indian varieties. Intra-cluster distance was highest in cluster III followed by cluster II, IV and I. The maximum inter-cluster distance was between clusters III and I are 17.91 and 3.86 respectively. The varieties in cluster I were Hisar Sugandh, Hisar Anand, RCr-20, RCr-435, RCr-436, RCr-446, RCr-684, Swathi, Sadhana, Sindhu, Sudha, Rajendra Swati, GCr-1, GCr-2, CO-1, CO-2, CO-3, CO-4. The variety falling in cluster II is JD-1.The varieties falling in cluster III were NRCSS ACr-1, RCr-41and Azad Dhania-1. The varieties falling in cluster IV were Hisar Surubhi and Pant Haritma. Among the 10 characters studied for genetic divergence, days to 50% flowering contributed the maximum accounting for 49.64% of total divergence, followed by test weight (17.03%).
In vitro selection for drought tolerance in two elite sugarcane (Saccharum spp.) genotypes
Authors: MANCHANDA P , KAUR A , KUMAR P , CHOUDHARY O P , GOSAL S S
Published: August 2023

Abiotic stresses, especially increased salinization of water resources and global scarcity of water, are the major causes of crop losses world-wide. Therefore, an in vitro study was conducted to observe the effect of osmotic stress induced by an osmoticum, polyethylene glycol (PEG), Mol. Weight 6000 on callogenesis and subsequent regeneration in sugarcane (Sacchaarum spp.) cv. CoJ 83 and CoH 119. Callus induction was observed by placing leaf roll segments (~ 1.5 cm long) of sugarcane cv. CoJ 83 and CoH 119 on solid Murashige and Skoog (MS) medium supplemented with 2, 4-dichlorophenoxyacetic acid (2,4-D; 4 mg/l and 5.5 mg/l for CoJ 83 and CoH 119, respectively) + Kinetin (Kin; 0.5 mg/l) + 560 mg/l proline + 30 g/l sucrose + 8 g/l agar. Subsequent regeneration from callus cultures was observed on solid MS + Kin (0.5 mg/l) medium. Significant callus induction and regeneration was observed in both the varieties, but with the addition of PEG (6000) into the callus induction medium, regeneration efficiency was reduced in both the cultivars. Further, the biochemical parameters like estimation of total soluble sugars and total proline content were also analysed. The results indicated that CoH 119 variety of sugarcane is more tolerant to drought stress as compared to CoJ 83 variety.
Hybrid seed germination in oil palm (Elaeis guineensis) affected by innovative dormancy breaking techniques
Authors: MURUGESAN P , SHAREEF M , HASEELA H , RAVICHANDRAN G
Published: August 2023

Seed dormancy is considered as a major cause for low and erratic germination in oil palm (Elaeis guineensis Jacq.) which affects quality planting material production. To alleviate the problem, fresh hybrid seeds were subjected to seven treatments, viz. T1-complete endocarp removal and de-operculum, T2-chipping endocarp and de-operculum, T3-chipping endocarp and scarification of operculum with pile rod, T4-chipping endocarp and scarification of operculum with sand paper, T5-chipping endocarp and needle insertion in the operculum and T6-making crack at germ pore region of shell and T7-dry heat method (control) with an objective to achieve uniform, speedy and maximum seed germination. Results showed that endocarp chipping combined with de-operculum resulted in the highest germination (88%) and took 3, 4 and 8 days to initiate germination, 50% germination and final germination, respectively. Dry heat method took 11 and 12 days to initiate and 50% germination, respectively resulted in only 66.6% germination even after 20 days incubation. Dry heat method also required extra heat treatment at 40° C for 60 days. It is inferred that chipping combined with de-operculum could be substituted with dry heat method at commercial seed production centres to break seed dormancy. Laboratory scale seed chipping machine is developed for chipping the endocarp of seeds. Up-gradation of lab scale machine is envisaged to scaling up germinated seed supply in a short period of time.
Effect of different stages of fruit maturity and size grading on seed quality in jatropha (Jatropha curcas)
Authors: RAMANADANE T , NARAYANAN A L
Published: August 2023

The seed quality of Jatropha harvested at different stages of fruit maturity was evaluated to determine the right stage of harvesting for getting high quality seeds at Karaikal, Puducherry (UT) in the year 2011. One hundred freshly opened flowers were tagged at anthesis in 25 numbers of two year old trees. The fruit set in each tagged flower was recorded for seven weeks, consecutively. The results revealed that, only 59 per cent of the flowers set fruits and four different colour changes in fruits, viz. light green (Stage I), lemon yellow (Stage II), dark brown (Stage III) and dark brown with hairline cracks (Stage IV) were observed during maturation at 21, 28, 42 and 49 days after anthesis (DAA), respectively. Observation on seed germination indicated that the seeds obtained from stage III was on par with stage IV (68 per cent) and excelled stage I (4 per cent) and stage II (56 per cent). Between stages III and IV, the seeds obtained from stage III was found to be superior to stage IV, attributed due to higher vigour index and hence considered as the stage of physiological maturity for Jatropha. The larger sized capsules had excelled medium and smaller sized in terms of both vigour and viability and emphasized the significance of size grading for elite seedling production in Jatropha.
Germination and field emergence in osmotic and solid matrix priming in onion (Allium cepa)
Authors: SINGH PUNEET KUMAR , PANDITA V K , TOMAR B S , SETH RAKESH
Published: August 2023

Solid matrix priming for 24 hr significantly improved seed germination (81.6%) as compared to 12 hr, 36 hr or 48 hr duration. A priming duration of 24 hr gave maximum speed of germination (16.95) while priming duration of 48 hr gave minimum value for speed of germination. No significant differences in speed of germination were found at different temperatures. The interaction effect of priming duration and temperature revealed that solid matrix priming for 24 hr at 20°C is optimum for obtaining maximum speed of germination (17.34). Maximum vigour index I (848.1) was obtained in solid matrix primed seeds for 24 hr duration at 20°C temperature. Osmopriming using PEG 6000 (–1.5MPa) significantly improved seed germination (78%). With increase in priming duration from 2 days to 6 days, there was significant decrease in germination. Osmopriming at –1.0 MPa PEG potential significantly improved speed of germination (7.78) as compared to –0.5 and –1.5MPa potential. The interaction effect of PEG potential and priming duration revealed that osmopriming for 2 days at –1.0 MPa PEG potential gave maximum speed of germination (8.35) over all other treatment combinations. Osmopriming using PEG 6000 (–1.0MPa for 2 days) improved germination by 14.3 percent and field emergence by 13 percent over control. Solid matrix priming for 24 hr at 20oC also improved germination by 13 percent and field emergence by 11.3 percent over control. These results indicate that osmopriming and solid matrix priming can be effectively employed to prime onion seeds for improved field performance.
DELIZIA SELF SERVICE APPLICATION USING UX DESIGN AND ANDROID STUDIO
Authors: Heriyanto Fernandus Felix , Husni Hari Setiabudi
Published: August 2023

Delizia Self Service is a tart ordering service application using the concept of Self Service Technology (SST). In this application there are 2 kinds of prospective users, in terms of customers to order tarts who can choose directly the tarts they want and even customers can also customize tarts according to their tastes. And in terms of admin which is useful for managing products, from adding products, deleting products and modifying products.  Based on its function, this application provides benefits such as providing alternative means of selling tarts, increasing sales value, increasing interest, user experience, satisfaction, and comfort of buyers when ordering tarts. This journal focuses on developing application recommendations by designing the UI/UX of the Delizia Self Service Application and realizing it using Android Studio, using the System Development Life Cycle (SDLC) method with the prototype model.
Pengetahuan, Sikap, dan Tindakan Masyarakat Kota Bandung Terhadap Antibiotik Knowledge, Attitude, and Practice of the Bandung City Community on Antibiotic
Authors:   Program Studi Teknik Lingkungan, Fakultas Teknik Sipil dan Lingkungan, Institut Teknologi Bandung, Fawziya Adeela Nur , Ariesyady Herto Dwi ,   Program Studi Teknik Lingkungan, Fakultas Teknik Sipil dan Lingkungan, Institut Teknologi Bandung
Published: August 2023

COVID-19 is a disease that initially appeared in December 2019 in Wuhan, China. The rapid spread of the disease made this disease to be categorized as a pandemic. The disease of COVID-19 has changed the focus of healthcare worldwide. Several studies reported that the onset of the pandemic has contributed to the increase of antibiotics usage. This study aimed to explore the changes of patterns on antibiotic usage and the factors that influence antibiotic usage during the COVID-19 pandemic. This research was conducted in Bandung City, Indonesia which consists of 30 sub-districts. The data were collected by distributing a questionnaire to 560 respondents with a snowball sampling technique. The results showed that the COVID-19 pandemic caused a significant increase in the frequency of antibiotic usage (p < 0.05). The sources of information for consuming antibiotics were mostly from doctor's prescriptions. Regarding the habit of providing antibiotics, in general, the respondents did not store antibiotics as supplies either before the COVID-19 pandemic or in the period of the COVID-19 pandemic. However, people who stored antibiotics as supplies obtained the most antibiotics by purchasing them directly from pharmacies. Based on the statistical analysis, it was known that the knowledge and attitude variables were simultaneously significant towards the use of antibiotics either before the COVID-19 pandemic or in the period of the COVID-19 pandemic. Besides, there was a positive relationship among the variables of knowledge on antibiotics, attitudes in antibiotics usage, and antibiotics consumption practices.
Evaluation of Phytochemical Compounds in Senna siamea stembark Powders for Insect Pest Control
Authors: Kashere M. A , Sabo M , Tijjani A , Aliyu M
Published: August 2023

A laboratory screening was conducted to evaluate the phytochemical compounds in Senna siamea stembark powders and their insecticidal activity on Callosobruchus subinnotatus PIC on stored Bambara groundnut through untargeted Gas Chromatography – Mass Spectrometry (GC- MS) using three different extraction solvents (ethanol, methanol and distilled water). To mention but few, the ethanol extracts revealed Octanoic acid, 4,6-dimethyl-, methyl ester, (4S,6S)-(+)- (C11H22O2); cis-Vaccenic acid (C19H36O2); Z,Z-10,12-Hexadecadien-1-ol acetate (C18H32O2); 2-Methyl-Z,Z-3,13-octadecadienol (C19H36O). Methanol extracts showed Oleic Acid (C18H34O2); Cyclononasiloxane, octadecamethyl- (C18H54O9Si9); Cyclodecasiloxane, eicosamethyl- (C20H60O10Si10); 2-Methyl-Z,Z-3,13-octadecadienol (C19H36O). Distilled water extraction revealed cis-Vaccenic acid (C19H36O2); 1,2-Benzisothiazole,3-(hexahydro- 1H-azepin-1-yl)-, 1,1-dioxide (C13H16N2O2S); Oleic Acid (C18H34O2); 11-Octadecenoic acid, methyl ester (C19H36O2)as compounds with the highest percentage area. Phytochemicals have been used for many years to control insect pest damage in agricultural crops. Pyretre, Nicotine, Rotenone and tobacco have long been used as control agents against insects in some regions of sub-Saharan Africa. Unlike synthetic chemical insecticides that kill both pests and non-target organisms, botanicals pesticides are relatively target specific. They are also biodegradable, environmentally friendly, and can also be used in insecticide resistance management programs. Hence, could serve as good alternatives to chemical insecticides. Further research on the bio insecticidal activity of these compounds is highly advocated.
Relationship between Environmental Costs and Financial Performance of Oil and Gas Firms in Nigeria
Authors: Cyril Ubesie Madubuko , Oluchukwu Ugbor Raphael , Ekene Nduche Chinyelu
Published: August 2023

This study explored the relationship between environmental costs and financial performance of oil and gas firms in Nigeria for the period 2010 – 2019. The dependent variable and proxies for financial performance were return on assets, return on equity and earnings per share while environment al costs is the independent variable of the study and was measured by corporate social responsibility expenses. A sample of 5 firms was selected from the 11 oil and gas firms listed on the Nigeria Stock Exchange for the period of study. Secondary data were sourced from the annual reports and accounts of the selected firms and analyzed using Pearson’s Product Moment Correlation analysis. Findings from the analysis indicate that the relationship between corporate social responsibility expenses and return on a ssets was negatively weak and insignificant. It was also found that corporate social responsibility expenses of oil and gas firms has weak positive and insignificant associations with return on equity and earnings per share. In view of the findings of the study, we recommend that firm managers should avoid incessant investment in assets and invest only on those assets that will enable them achieve cardinal corporate objective of profit and wealth maximization for the firm owner. It was also recommended that firm managers should use more of equity financing in their capital structure. This will increase return on equity thereby boasting the firms’ corporate social responsibility performance. It was further recommended that the firm should repurchase some of its share floating around the Stock Exchange Market in order to increase the firms’ earnings per share and thus enhance corporate social responsibility performance of the firms.
The Web of Human Factors on Maritime Accidents in Nigeria: Empirical Perspective
Authors: Gbasibo Lawrence Addah
Published: August 2023

The maritime industry is perhaps the most complex international industries with huge and high- risk whose incidents have high potential for the occurrences of accidents. A very large proportion of these accidents have been attributed to human factors elements. This study elucidates the dominants human factors elements that have contributed to marine accident in the Nigeria navigational waters. A descriptive survey was carried out and data collected using well- structured questionnaires distributed to 1000 respondents, out of which 821(82.1%) was retrieved. An appropriate statistical tool (SPSS Softwares-2010 Chicago version) was employed for predictors/independent variables at level of significance ? =0.05. The socio-demographic results showed that majority (78.4%) of the respondents are of sound mind with over 10 years of working experience. It was found that there is a significant difference in the influences of dominant human factors elements on marine accidents in Nigeria navigational waters since Fcomputed (17.345)? Fcritical(1.8799).Moreso, there is a strong and positive relationship between the human factors elements and marine accidents in Nigeria, since R=0.813 and 66.1% of the variance in marine accidents can be explained by variations in the human factors elements. In addition, there is a predictable influence of the integral human factors elements on marine accident in Nigeria navigational waters. Furthermore, since, the P-value is 0.02 for the multiple logistic regressions and there are differential AOR of the predictors on human factors elements marine related accidents; The generated model is efficient on human factors mitigation for marine accident reduction in Nigeria navigational waters. Six(6) out of the ten(10) identified human related factors/error namely crew fatigue, unruly behavior, unsafe vessel speed, commercial pressure from management, lack of maintenance culture, organizational structure/inadequate safety culture wer
Extent of Utilization of Strategic Planning Principles by Small and Medium Scale Enterprises for Improved Performance in Nigeria
Authors: Prof. Okoli B. E. , Onwubuya Uju Nkiru
Published: August 2023

The study investigated the extent of utilization of strategic planning principles of total quality management by small and medium scale enterprises for improved performance in Anambra State. One research question guided the study and one hypothesis was tested at 0.05 level of significance. Descriptive survey design was adopted for the study. The study was carried out in Anambra State. The population of the study comprised 2,895 small and medium scale enterprises mangers in Anambra State who are registered with the State Ministry of Commerce, Industry and Technology. The sample of the study comprised of 869 small and medium scale enterprises managers. The sample was drawn from 2895 registered SMEs across the three senatorial zones (Anambra Central, Anambra North and Anambra South) in Anambra State using proportionate stratified random sampling. The instrument for data collection was a structured questionnaire developed by the researcher. The instrument was structured on a 4-point rating scale. The instrument was validated by three experts. The instrument was subjected to a pilot test. The application of Statistical Package for Social Sciences (SPSS) version 21 using Cronbach Alpha reliability method on the obtained data yielded a score of 0.76 for internal consistency which was deemed reliable for the study. The researcher administered the copies of the questionnaire to the respondents with the help of six research assistants. Out of the 869 copies of questionnaire administered, 739 were returned in good condition. The 739 copies amounted to 85 percent return rate. The 739 copies of questionnaire were used for the analysis of data. The data collected from the respondents were analyzed using mean and standard deviation for the research questions. The data collected from the respondents were analyzed using mean, standard dev iation and t- test. The study revealed that small and medium scale enterprises utilize the principle of strategic planning f
Improving Secondary School Physics Students’ Computational Dexterity using the Means-End Analysis (MEA) Approach in Solving Problems in Projectile Motion
Authors: Aderonmu T. S. , B. Omeodu , D. M. , Opuende A. F
Published: August 2023

The study was aimed at improving secondary school Physics students’ computational dexterity using the Means-End Analysis (MEA) in solving problems in projectile motion. Two research questions were raised and answered while two hypotheses were formulated and tested. Quasi- experimental design specifically, the pre-test, post-test experimental and control group method was adopted for the study. Using the purposive sampling technique, 93 SS2 Physics students were selected in public secondary schools in Port Harcourt Local Government Area, Rivers State. Data collecting instrument was Projectile Motion Performance Test with a reliability index of r = 0.78. Data obtained for the study were analyzed using mean and standard deviation while while Analysis of Covariance and Scheff’s Post Hoc analysis was used to test the hypotheses at 0.05 level of significance. The findings of the study revealed that there was better improvement of students’ computational dexterity when solving problems in projectile using the Means-End Analysis than the Conventional Instructional Method. This is also evident by the Ho 1 , F (1,90) = 124.483 and p = 0.00 < ? = 0.05. The study also indicated that male students improved in their computational dexterity in projectile motion than their female counterparts across both groups employed for the study, while Ho 2 showed that there is no significant difference between male and female students mean performance scores exposed to Means-End Analysis (MEA) approach and Conventional Instructional Method (CIM) in improving students’ computational dexterity in solving problems in projectile motion in Physics [F (1,88) = 0.035 and p = 0.851 > ? = 0.05]. The study recommends that Physics teachers in secondary schools should adopt the Mean-End Analysis approach especially during teaching of topics that are mathematical (like projectile motion) so that students’ computational dexterity will be improved.
Influence of Gender, Qualification and Experience on Incidence of Stress and Coping Strategies among Primary School Teachers in Ekiti State
Authors: Agboola 1 Ayobami Alice , Odewumi Ruth Morenike
Published: August 2023

The study explored the influence of gender, qualification and experience on incidence of stress and coping strategies among primary school teachers. This study adopted descriptive design of research type. The population for the study consisted of primary schools in Ekiti State. The sample consisted of 21 primary schools, 378 teachers participated. Two instruments were used for the study. They are the sources of stress and coping strategies adapted from Ugwuja (2009). When validated by Ugwuja, the instrument yielded the reliability co-efficient indices of .73 for sources of stress, .71 for stress management, and .81 for overall instrument respectively. The data collected were analysed using using Analysis of Variance (ANOVA). The result indicated that significant difference existed in the incidence of stress among primary school teachers in Ekiti state based on gender with male teacher having highest incidence of stress, no significant difference in incidence of stress among primary school teachers in Ekiti state based on teacher qualification and there is no significant difference in incidence of stress among primary school teachers in Ekiti state based on teaching experience. The study recommended that marital counselling should be organized for both the divorcee and married in order to reduce their stress level. The school management should look for a way to reduce the work load of the teachers generally. In addition to this, the government should make teaching more attractive by increasing teacher salary