bluuebunny/crossref_metadata_2025_split huggingface dataset:
A novel measure for long-term sediment reduction inspired by dragonfly wings
Authors: Li Zhiwei , Wang Bing , Wang Feifei , Sun Bin , Zhao Shuaikang 
Published: December 2023

Abstract
The sediment accumulation in drainage pipes has long been recognized as a significant concern in the environmental field. This study addresses sediment accumulation in drainage pipes by introducing an innovative bioinspired approach using various shapes and angles of plates for long-term sediment reduction. Through experiments and numerical simulations, the velocity field, the turbulent kinetic energy, the head loss, and the dynamic pressure distribution in the pipeline with plates are analyzed. Results demonstrate significant increases in local velocity, dynamic pressure, and turbulence energy due to the presence of plates. The sediment reduction performance shows a positive correlation with the angle for folded plates and a non-linear relation with curvature for curved plates. Notably, the superior performance of folded plates is attributed to their exceptional ability to induce vortex formation. The head loss due to sediment reduction measures increases linearly as the angle and the curvature increase. Furthermore, the intentional induction of strong eddies and high shear flow using the undulating topography created by the locally installed folding plates in the pipeline was the main cause of sediment reduction. This novel approach holds promise for more efficient and sustainable sediment reduction in drainage systems.
Effects of Different Water Managements on Grain Yield and Grain Quality in Ratoon Rice Cultivation
Authors: Natalia Sasmita Atika , Negishi Hiromi , Shiotsu Fumitaka 
Published: December 2023

Background:
Ratoon rice production is one of the rice cultivation technologies with the potential to reduce labor and increase yield rate under a shorter cultivation time. However, few studies have focused on the effects of different water management on grain yield and quality.

Objective:
The aim of this study was to explore the effects of different water management on grain yield and quality in ratoon rice.

Methods:
Three water management treatments were followed- Control with the water level 5 cm aboveground, underground water treatment (UWT) with the water level 12 cm below the soil surface, and deep water treatment (DWT) with the water level 20 cm aboveground. The grain yield, yield components, amylose and protein content, and grain characteristics for grain quality were measured.

Results:
During the ratoon season, UWT had the highest grain yield of the three treatments. DWT had the highest ratoon tiller number but had a lower grain yield due to the increase in the number of ratoon tillers. The 1000-grain weight decreased markedly for DWT. With respect to grain quality, ratoon rice has a higher amylose content and a lower protein content than the main crop rice. UWT had the lowest protein content in the ratoon period and a higher grain yield.

Conclusion:
Yield performance in UWT is considered optimal for ratoon rice cultivation. However, grain quality under different water management did not show remarkable results. Therefore, the practice of fertilization during cultivation is recommended to improve grain quality.
Os processos criminais de tráfico de drogas em Goiânia e a gestão diferenciada da punição
Authors: Borges Guilherme 
Published: December 2023

O artigo em questão visa apresentar alguns dos resultados de um estudo sobre as decisões sentenciais, em primeira instância, dos processos criminais de tráfico de drogas em Goiânia. Como metodologia, utilizou-se técnicas qualitativas e quantitativas na produção e análise da base de dados, de forma comparativa, em busca de identificar os comportamentos jurídicos de diferentes juízes, assim como as cosmovisões expressas nos documentos legais e as narrativas formuladas na tomada das decisões sentenciais. Os achados revelam uma divergência abismal na forma como os juízes atuam em relação a essa matéria penal. As diferenças encontradas, além de expressarem a internalização de distintos ethos sobre o fenômeno social das drogas e acerca do papel do direito penal, evidenciam a configuração de distintos habitus jurídicos, que, por sua vez, permitem compreender como as diferenças de ser dos próprios magistrados produz uma gestão diferenciada da punição.
Performance of a base-isolated rc building supported on square un-bonded fiber reinforced elastomeric isolator under earthquakes
Authors: Ngo Van-thuyet 
Published: December 2023

Un-bonded fiber reinforced elastomeric isolator (U-FREI) is a relatively new type of multi-layer elastomeric isolator in which fiber layers are used as reinforcement to replace steel sheets in conventional steel reinforced elastomeric isolators. It is installed directly between the substructure and superstructure without any connection at the interfaces. Most of the previous studies on the U-FREIs supported to the base-isolated buildings are masonry or stone structures. In this study, the dynamic responses of a reinforced concrete (RC) building supported on square U-FREIs under the action of recorded real time-history ground motions of earthquakes are investigated by finite element analysis using SAP2000 software. A hypothetical 4-storey reinforced concrete building constructed in Vietnam is selected for the study. Comparison of the dynamic responses of the base-isolated building and corresponding fixed-base building is carried out to evaluate the seismic vulnerability of the base-isolated building under earthquakes. Finite element analysis results show that peak values of floor acceleration and inter-storey drifts at different floor levels, and peak value of base shear of the base-isolated building are lower than those of the corresponding fixed-base building. The U-FREIs are found to be very effective in reducing seismic vulnerability of low and mid-rise RC buildings.
ANALYTICAL ANALYSIS OF COMBINED FOUNDATION PLATES, SUBJECTED TO AN ACTION OF ANTISYMMETRIC LOADS
Authors: Koreneva Elena , Grosman Valery 
Published: December 2023

The combined foundation plates, having circular form and consisting of several parts which have different laws of thickness variation, are under study. The constructions under examination are subjected to an action of antisymmetric load distributed along circumferences according to the laws or . Similar problems occur in the cases of seismic and wind loads. The interaction with elastic foundation is taking into account. The conditions of the construction’s different parts conjugation are fulfilled. In this work for solution of such problems the analytical approach is used for the first time. The method of compensating loads (MCL) is applied. The solutions are obtained in closed form in terms of Bessel functions. As an example the foundation plate, consisting of two parts, is considered in detail. The inner part of the slab under study has the variable thickness, the outer one has the constant thickness.
INFORMATION MODELING OF CONCRETE: CURRENT STATUS AND DEVELOPMENT PROSPECT S
Authors: Makeev Aleksey 
Published: December 2023

The publication relates to the problems of digitalization of building materials science. The relevance of developing a digital model of concrete for solving optimization problems of design and synthesis of its structure, clarifying methods for calculating building structures, and improving the technology of their production is shown. The evolution of information modeling of concrete is analyzed in the context of the stages of development of system-building materials science and technology.
A review of the main modern methods of computer modeling of concrete structure in domestic and foreign scientific research is provided. It is noted that these methods do not take into account the complexity of the structure of concrete. In the article, concrete is presented as a conglomerate composite with a hierarchically organized structure with dimensions from 10-10 to 10-1 m. It has a minimum of 5-6 scale levels and three types of substructure design. Substructures differ in their scale, genesis and mechanics of manifestation of properties. The first type of substructure is characteristic of the macro-, meso- and micro-scale levels. It is accepted in the form of a two-component “construction” of a spatially continuous matrix and discrete inclusions deterministically and stochastically distributed in it. The second type refers to the submicro-, ultra-micro- and nanoscale levels. It is believed to be in the form of a “microscale spatial structure” of new formations of a cementing substance from consolidated individual crystalline differences. The third type corresponds to the atomic-molecular structure of new formations of the cementing substance.
The characteristics of each type of substructure are given according to: the scale of the components; features of formation; mechanics of properties manifestation; design criteria; means of synthesis. An assumption is made about the specificity of modeling each of the three types of concrete substructures and their integration into a single digital model. The task is to develop an information platform for such a model. The platform should include: a theoretical knowledge base; empirical data base; database of analytical, numerical and statistical models; algorithms for designing and synthesizing structures; optimization criteria and boundary conditions; terms of reference for computer modeling of concrete.
Determination of Suitable Plant Types in an Irrigation Command Area Using IWQI Method
Authors: Wahyuningsih Sri , Novita Elida , Ramadhan Reo Nurdiansyah 
Published: December 2023

Irrigation water quality of has an essential roles in growing crops by farmers. Agricultural crops can produce superior products if they have good irrigation water quality. Irrigation water quality index (IWQI) is a method to evaluate the quality of irrigation water. This research aim at applying the IWQI in the Sukorejo Secondary Channal to determine suitable plants within the command area with the criteria of tolerance relative to salt. The research was performed by measuring some parameters including the content of Na+ (sodium), Cl– (chloride), HCO3– (bicarbonate), electrical conductivity (EC), and sodium adsorption ratio (SAR), as well as soil permeability. Results of this study showed that the Sukorejo Secondary Channal delivering irrigation water IWQI value of 61.54. Measurements also revealed the soil has a moderate to high level of permeability. Recommendation that can be given is the use plants with moderate amounts of water consumption with moderate tolerance to salt levels. Recommended plants according to IWQI value include corn, soybean, wheat, rice, tomato, cabbage, tobacco, mustard greens, celery, lettuce, papaya, pineapple, pumpkin, peanuts, cucumber, broccoli, tomato, cabbage, eggplant, spinach, potato, watermelon, radish. Keywords: Alkalinity, IWQI, Plants, Salinity, Water quality
Detection of Formalin Content in Chicken Meat Using Portable Near Infrared Spectrometer
Authors: Rakhmawati Agita , Purwanto Yohanes Aris , Widodo Slamet , Astuti Dewi Apri 
Published: December 2023

Food safety is essential for consumers. One of the compound that are prohibited from being used to preserve chicken meat is formalin. It demands a fast classification and sorting process for chicken meat, whether it is processed further or not. The main objective of this research is to develop a model that can predict the formalin content of chicken meat at room temperature using a portable NIR spectrometer. The NIRS method utilizes electromagnetic waves in infrared radiation with wavelengths ranging from 740-1070 nm. The method used to process the data is partial least square discriminative analysis (PLS-DA) to determine the presence of formalin in chicken meat. The results showed that the best pre-treatment was using the 1st derivative which had calibration results with an accuracy value of 92.86%, sensitivity 94.05%, specificity 91.67%, and FPR 8.33%. While the validation results obtained an accuracy value of 92.86%, sensitivity 92.86%, specificity 92.86%, and FPR 7.14%. Keywords: Chicken meat, formalin, NIRS, non-destructive method, PLS-DA.
Application of Time-of-Flight (ToF) Laser Sensor for Real-Time Cutting Width Monitoring System on Mini Combine Harvester
Authors: Putri Renny Eka , Geraldo J P , Andasuryani Andasuryani 
Published: December 2023

Yield monitoring is a precision farming technology that monitors crop yields in real-time. The cutting width is one of the variables gathered by yield monitoring. The cutting width is measured using the sensor by subtracting the width of the header from a distance reading from the sensor to the rice installed on the left and right sides of the mini combine harvester header. This research aims to design a cutting width measurement system using the VL53L1X ToF sensor on a mini combine harvester. The VL53L1X ToF Sensor is used as a distance sensor, followed by an ESP-32 microcontroller and a WiFi module. These are linked to the database and interpreted into digital form using an I 2 C LCD so that the user may see the results afterward. The accuracy of the two sensors (left and right) is evaluated by comparing distance measurement results on an object with an R 2 value of 1. For static testing on rice plants (Oryza sativa L), ten data collecting variations with three repetitions were conducted, with an average R2 of 0.9975 throughout the three repetitions. The dynamic test system includes an Ublox GPS tracker used to read coordinates for variability mapping of cutting width on ArcGIS application using the kriging method. The kriging result shows five different cutting width classes and the difference in variability in harvesting on the field. Keywords: Sensor, Mini Combine Harvester, Accuracy, Cutting Width
Use of Portable Fluorescence Spectroscopy and SIMCA Method to Test The Authenticity of Apis mellifera Honey From Coffee Flower Nectar Mixed With Two Artificial Sweeteners
Authors: Kuncoro Sapto , Suhandy Diding , Warji Warji , Ervandi Dicky 
Published: December 2023

Honey with coffee flowers nectar is native honey formed from flower nectar. In this investigation, corn syrup and rice syrup, two artificial sweeteners, were utilized as an adulterant. Portable fluorescence spectroscopy and the SIMCA method are the tools and techniques employed. There were up to 20 samples of pure Apis mellifera honey and up to 120 samples of mixed honey (MC), each used twice. Data on the emission spectra, which are excited at a wavelength of 365 nm, were measured over the wavelength range of 300-800 nm. To improve accuracy, sensitivity, and specificity, the original spectral data was altered using a number of pre-treatments. Pretreatment with the original data with smoothing moving average may accurately identify samples and provides 100% accuracy, sensitivity, and specificity. One of the steps of the SIMCA approach, the cumulative PC, has a value of 92%, which indicates that it well explains the variation of the data. The x-loading plot's values are near the peak of the waves at 378 and 460 nm, indicating the existence of phenolic and flavonoid chemicals at those wavelengths. Keywords: Apis mellifera honey, Corn syrup, Rice syrup, Portable Spectroscopy, SIMCA.
The Characteristics of Biscuit Quality with Coffee (Coffea Arabica L.) Silver Skin Flour Substitution
Authors: Sidabalok Inawaty , Harefa Juni Hasrat , Asnurita Asnurita , Tahir Yonny Arita , Afrida Afrida 
Published: December 2023

Coffee silver skin flour can be effortlessly converted into various items, and its nutritional quality remains constant. Thus, exploring novel methods of utilizing it could result in sustainable and innovative products with consistent nutritional advantages. This study investigated the impact of using coffee silver skin flour on the quality of biscuits. This study used a completely randomized design (CRD) consisting of 5 levels of treatment and three replications. The percentages of wheat flour substituted with coffee silver skin flour were 0, 20, 40, 60, and 80%. Observation data were analyzed using ANOVA with F test and continued with Duncan's New Multiple Range Test (DNMRT) test at 1% significance level. The result showed that substituting wheat flour with coffee silver skin flour considerably altered the flour's moisture, ash, protein, and fat content. With increasing amounts of coffee silver skin flour, the moisture and ash contents increased, while the protein and fat contents decreased. Biscuits that were most favored by panelists were in treatment A (100% wheat flour with 0% coffee silver skin flour) with moisture, ash, protein, and fat content of 1.31, 0.25, 18.50, and 19.45%, respectively. Biscuits made from coffee silver skin flour meet the quality requirements set by SNI 2973:2011, except for treatment E (0% wheat flour with 100% coffee silver skin flour), as the moisture content exceeds the specified criteria. Keywords: Biscuit quality, Characteristics, Coffee silver skin
Implementasi Metode Collaborative Filtering pada Aplikasi Rekomendasi Hotel dan Wisma di Kota Palangka Raya Berbasis Website
Authors: Obajha Kevin , Sari Nova Noor Kamala , Pranatawijaya Viktor Handrianus 
Published: December 2023

Abstrak. Hotel merupakan suatu lembaga yang menyediakan para tamu untuk menginap, di mana setiap orang dapat menginap, makan, minum dan menikmati fasilitas yang lainnya dengan melakukan transaksi pembayaran. Sedangkan wisma adalah bangunan untuk tempat tinggal, kantor atau kumpulan rumah, komplek perumahan, permukiman yang di peruntukkan untuk menunjang urusan atau kegiatan pada bidang tertentu. Karena semakin banyaknya pembangunan hotel dan wisma yang di bangun di kota Palangka Raya, sering kali menimbulkan permasalahan bagi para wisatawan yaitu dalam melakukan pencarian dan menentukan hotel dan wisma berdasarkan fasilitas jasa yang disediakan. Berdasarkan hal tersebut, dibuatlah suatu sistem yang dapat membantu memberikan rekomendasi hotel dan wisma kepada wisatawan. Metodologi yang digunakan dalam aplikasi Rekomendasi Hotel Dan Wisma Di Kota Palangka Raya ini adalah waterfall. Pengujian menggunakan metode blackbox. Hasil penelitian ini adalah sebuah aplikasi Rekomendasi Hotel Dan Wisma Di Kota Palangka Raya Berbasis Website memfasilitasi wisatawan atau pengunjung dalam mendapatkan informasi serta rekomendasi hotel dan wisma tanpa harus terlebih dahulu mengunjungi satu persatu website hotel dan wisma. Pengujian dilakukan menggunakan blackbox.

Abstract. Hotel is an institution that provides guests to stay, where everyone can stay, eat, drink and enjoy other facilities by making payment transactions. Wisma is a building for residence, office or group of houses, housing complexes, settlements that are intended to support business or activities in certain fields. Due to the increasing number of hotel and guest house constructions being built in the city of Palangka Raya, it often creates problems for tourists, namely in searching and determining hotels and guest houses based on the service facilities provided. Based on this, a system was created that could help provide hotel and guest house recommendations to tourists. The methodology used in the Hotel and Wisma Recommendation application in the City of Palangka Raya is a waterfall. Testing using the blackbox method. The results of this study are a Website-Based Hotel and Guesthouse Recommendation Application in Palangka Raya City facilitating tourists or visitors in obtaining information and recommendations for hotels and guesthouses without having to first visit the hotel and guest house websites one by one. The tests using blackbox method.
Pengujian Black Box Menggunakan Metode Analisis Nilai Batas pada Aplikasi DANA
Authors: Permatasari Indah , Adhania Febrianti , Putri Shafa Aurelia , Nursari Sri Rezeki Candra 
Published: December 2023

Abstrak. Aplikasi DANA merupakan platform berbentuk dompet digital yang dirancang untuk membantu masyarakat dengan mudah melakukan berbagai jenis transaksi seperti pembayaran, transfer, dan pembelian. Perangkat lunak harus diuji untuk memastikan berfungsi dengan baik, benar, dan tepat. Pengujian perangkat lunak dilakukan untuk menemukan dan mengidentifikasi bug, cacat, dan kekurangan pada perangkat lunak yang diuji serta meningkatkan fungsinya. Pengujian perangkat lunak dapat dilakukan dengan menggunakan berbagai metode. Salah satu metode yang paling umum digunakan dalam pengujian perangkat lunak adalah metode pengujian Black Box. Pengujian ini dilakukan dengan tujuan untuk memastikan seluruh fungsi pada aplikasi DANA dapat berjalan dengan baik dan bebas dari cacat seperti error dan bug. Aplikasi DANA diuji menggunakan metode pengujian Black Box dengan teknik analisis nilai batas. Rancangan pengujian aplikasi DANA dimulai dari test case masuk, DANA pin, username, kirim uang, add akun bank, request uang, pembelian dan pembayaran, government service, DANA goals, DANA kaget, Send & Withdraw Cash melalui Alfamart, Split Bill, dan kode promo. Dapat disimpulkan bahwa terdapat 60 test case yang hasilnya valid atau berhasil dan 1 test case yang hasilnya tidak valid atau gagal. Sehingga, hasil tersebut menunjukkan bahwa aplikasi DANA belum berjalan secara optimal.

Abstract. DANA application is a platform in the form of a digital wallet designed to help people easily carry out various types of transactions such as payments, transfers and purchases. Software must be tested to ensure it functions properly, correctly, and appropriately. Software testing is carried out to find and identify bugs, defects and deficiencies in the software being tested and improve its functionality. Software testing can be done using various methods. One of the most commonly used methods in software testing is the Black Box testing method. This testing is carried out with the aim of ensuring that all functions of the DANA application can run well and are free from defects such as errors and bugs. The DANA application was tested using the Black Box testing method with boundary value analysis techniques. The DANA application testing plan starts from the test case entry, DANA pin, username, send money, add bank account, request money, purchase and payment, government service, DANA goals, DANA shock, Send & Withdraw Cash via Alfamart, Split Bill, and code promo. It can be concluded that there are 60 test cases whose results are valid or successful and 1 test case whose results are invalid or failed. Thus, these results indicate that the DANA application is not running optimally.
First Record of Alien Species Craspedacusta sowerbii Lankester 1880 in a Stream of Sardinia (Italy)
Authors: Marrosu Gian Marco , López-Flores Rocio , Chessa Giovanna 
Published: December 2023

In recent decades, the number of invasive alien species introduced outside of their natural distribution range has increased. These species can rapidly spread from the place of introduction, acting as agents of change, threatening ecosystems, habitats, and indigenous species. Craspedacusta sowerbii Lankester, 1880 has invaded freshwater systems all over the world. This article reports the first occurrence of this freshwater jellyfish in a stream on the island of Sardinia, Italy. There is no previous data useful to understand the development of this species in the river systems of the island where streams are usually seasonal, with a strong water reduction, and native animal species are concentrated in a few pools during critical seasons. In our study, we carried out an observation of the phenomenon in order to provide preliminary information about this new population, its characteristics, and environmental features. Endangered and extremely rare endemic species, such as Discoglossus sardus and Euproctus platycephalus, live in Sardinian streams, so this is one more reason to focus on the biological invasion processes of this organism in order to understand its role in this ecosystem’s ecological functioning.