bluuebunny/crossref_metadata_2025 huggingface dataset:
FEATURES OF THE CALCULATION OF THE USED PLASTICITY RESOURCE DURING COLD FORMING OF GLASS-TYPE PRODUCTS
Authors:   Vinnytsia National Technical University, KYRYTSYA Inna
Published: February 2023

The reverse extrusion process is widely used in the production of “Glass” type parts. Due to high technical and economic indicators and great technological possibilities, in recent years, cold plastic deformation has become widely used in machine- and instrument-building plants, in the electrical and radio engineering industry, as well as in other branches of the national economy. However, the possibility of cold plastic deformation by the extrusion method is not yet sufficiently used. The reason is that, traditionally, during the design of metal pressure processing processes, attention is paid to determining the power parameters and ensuring the geometric accuracy of the workpieces. But this does not allow us to assess the ultimate shape change and technological heredity of the finished products and make a quantitative assessment of the damage of the deformed metal. In this work, the process of forming products of the “Glass” type by reverse cold plastic deformation is investigated, in which the used plasticity resource is taken as the most important parameter responsible for the quality of the products. The method of calculation of the used resource of plasticity of “Glass” blanks in the processes of reverse cold plastic forming is clarified. When calculating the used plasticity resource, the effect of the volume of the stress state scheme is taken into account by using the limit deformation surface instead of the plasticity diagrams. The graphs of distribution of the resource of plasticity by the radius of the workpiece are obtained. From the analysis of the results it follows that the greatest intensity of accumulation of damage occurs in the areas of maximum irregularity of plastic deformation. Points of contact of the punch with the workpiece turned out to be dangerous. The use of hydrostatic support in reverse extraction allowed not only to reduce the degree of plasticity used, but also to obtain a more uniform distribution of it, therefore, to improve the quality of the obtained blanks when reverse extrusion and improve the technological heredity of the finished products. The results obtained in the work can be used to estimate the limit change in shape in similar technological processes, which are accompanied by a volumetric scheme of the stressed state.
APPLICATION OF REGRESSION ANALYSIS DURING THE ASSESSMENT PROCESS OF FACTOR IMPACT ON THE SENSITIVITY OF THE CAPACITIVE HUMIDITY SENSOR
Authors:   Vinnytsia National Technical University, KRYLIK Lyudmila , EVSEEVA Mariya ,   National Pirogov Memorial Medical University
Published: February 2023

In order to optimize the parameters of creating a moisture-sensitive layer of the capacitive humidity sensor, a multifactorial experiment plan was used in combination with regression analysis of the factor influence. Capacitive humidity sensors are made on a sitall substrate with size 0.7×0.9 mm, on the surface of which is applied a copper film, which forms the plates of the capacitive elements in the form of a meander with the appropriate geometry 7.85·10-2×150·10-6×1.2·10-6 m. Hygroscopic salt is a moisture-sensitive film that serves as a dielectric. Solutions of hygroscopic salt NaCl with concentrations 0.89 mol/l and 5.33 mol/l were used to create a moisture-sensitive film, which were applied to the surface of capacitive humidity sensors by spraying at a distance of 40–50 cm with thicknesses of 5.0 μm and 10.0 μm. Statistical processing of the results of the factor experiment by the Cochran test proved that the factor experiment is reproducible. Using the planning matrix of the full-factor experiment, a regression equation has been developed and on the basis of which it has been found that the concentration of salt solution used to create a moisture-sensitive layer significantly affects the sensitivity of the capacitive humidity sensor. According to Student criteria it has been established that all the coefficients of the regression equation are significant. Sensitivity has been chosen as criteria for parameters optimization of creation a moisture-sensitive layer of such a capacitive humidity sensor. The final regression equation on the scale of real factors makes it possible to optimize the parameters of creation a moisture-sensitive layer of the capacitive humidity sensor with the maximum values of the response function – “sensitivity”. It has been found that the highest sensitivity of 36.32 pF/% is provided by the following optimal parameters of the process of creating a moisture-sensitive layer: the concentration of salt solution, which serves as an adsorbent material, namely hygroscopic salt NaCl – 5.33 mol/l and thickness of moisture-sensitive layer 10.0 μm.
INNOVATIVE TECHNOLOGIES FOR DECORATING LIGHT INDUSTRY PRODUCTS
Authors: KULESHOVA Svitlana , KOSHEVKO Julia , NAJCHUK Diana , LEBEDYNSKA Oksana ,   Khmelnytskyi National University
Published: February 2023

The article is devoted to the solution of the task of forming project images in modern mass fashion in the context of the use of innovative decoration technologies on the example of designing an author’s collection of women’s clothing. The scientific novelty of the study consists of the analysis and systematization of creative and innovative decoration technologies with the aim of further integration into the fashion design of clothing. The study’s practical significance lies in the study of characteristic techniques and elements of innovative clothing decoration. The article describes the stages and provides recommendations for producing the author’s prints for decorating products of the author’s collection. The authors focused on developing the author’s print using computer technologies in universal graphic reactors of both raster and vector graphics for further thermal transfer printing. The study demonstrates the process of forming a sketch of a fashionable design image using an information model, which allows authors to present it as a single symbolic system using modern practices of visual presentation of trendy innovations. The products in the collection are made of different materials, which, when combined into sets, give the image of unusualness and sophistication. The collection was developed in the format of the Pop Art style using fashion trends. The authors defined and thought out the main images, forms, and constituent elements of the designed products of the author’s collection sets. When creating clothing models, special attention was paid to the originality and multifunctionality of the collection’s products and their parts. The creative and design, constructive, and technological solutions of models of sets of the author’s collection were produced and presented at the All-Ukrainian competition of young designers “Colours of Podillia” (Khmelnytskyi, KhNU, 2022), were developed.
FEATURES OF THE USE OF HEAT PUMPS IN THE HEATING SYSTEMS OF PRIVATE HOUSES
Authors:   Vinnytsia National Technical University, FINYK Iryna
Published: February 2023

In the paper, it is investigated that economics is the main advantage of thermal pumps. The financial costs during the heating season are almost three times lower than natural gas. You do not need any permissions to connect. The operation of heat pump units is absolutely safe and environmentally friendly. Since ancient times, heat pump units have been used as alternative heating systems. Such systems are reliable, have a long term of operation and are the most environmentally friendly. Heat pump units are seen as a new step toward the development of more efficient and safer systems. The main heating of the house with the help of a heat pump unit has significant advantages over the operation of gas boilers. Energy-saving technologies for private building, slowly but confidently remove traditional types of heating. The only thing that keeps the widespread introduction of installations is the need for a significant initial investment of money. Most producers have long been working on cheaper technology, so the prospects of using heat pumps in the heat supply systems of private houses are rather optimistic. The number of sales is expected to increase by 10-15% soon. It has been established that in contrast to the boiler, the convector and other type of heater the heat pump unit does not produce heat. It transfers heat from one environment to another. For example, the heat pump installation of air-water is set for cooling of air outside of buildings and heating of water in boiler. This results in over 100% efficiency. The heat pump consumes electricity and generates heat. The ratio of these indicators characterizes its productivity. But the real efficiency of the heat pump can vary considerably. The lower the inlet temperature and the higher the outlet temperature, the lower the efficiency. According to expert estimates, it is possible to predict that more than 70% of thermal energy for heating systems and hot water supply in developed countries as of 2023 will be produced by heat pump units that use different types of low-potential heating sources.
ASSOCIATIVE OPERATIONS BASED ON DIFFERENCE-SLICE DATA PROCESSING
Authors: MARTYNIUK Tatiana , KOZHEMIAKO Andrii , KRUKIVSKYI Bohdan , BUDA Antonina ,   Vinnytsia National Technical University
Published: February 2023

Associative operations are effectively used to solve such application problems as sorting, searching for certain features, and identifying extreme (maximum/minimum) elements in data sets. Thus, determining the maximum number as a result of sorting a numerical array is an acceptable operation in implementing the competition mechanism in neural networks. In addition, determining the average number in a numerical series by sorting significantly speeds up the process of median filtering of images and signals. In this case, the implementation of median filtering requires the use of sorting with the ranking of the elements of the number array. This paper analyses the possibilities of associative operations implementing the elements of a vector (one-dimensional) array of numbers based on processing by difference slices (DS). A simplified description of DS processing with a selection of the common part of the elements of the vector and the difference slice formed from its elements is given. In addition, elements of the binary mask matrix are used as an example of a topological feature matrix. The proposed approach allows for the formation of the ranks of the elements of the initial vector, as a result of sorting in ascending order of their numerical values. The paper shows a schematic representation of the process of DS processing, as well as an example of DS processing of a number vector in the form of a table, which shows the formation sequence of numbers of the sorted array and the ranks of numbers of the initial array. Therefore, the proposed use of topological features allows to determine the comparative relations between the elements of the numerical array in the process of spatially distributed DS processing, as well as to confirm the versatility of this approach.
MODERN METHODS AND ANCIENT TECHNOLOGIES OF RESTORATION AND RESTORATION OF SHOES
Authors: BABYCH Antonina , LYPSKY Tymofii , RADIKOVA Anna ,   Kyiv National University of Technology and Design
Published: February 2023

Restoration and restoration of shoes – a delicate, complex, often jewelry. It requires professionalism, experience, creative and creative approach and innate artistic taste of the master. In addition, restoration work often requires special equipment and materials for a number of rare and complex operations to completely restore the product and give it its original appearance or, conversely, “aging” of new shoes at the request of the customer. Shoe restoration allows a specialist to create using standard and non-standard materials, classic and advanced methods and techniques for replacing worn parts in the product, and also allows you to experiment with finishing compositions to give the product the appearance of “wear” and “abrasion”, creating a “faded” “Color of the material and its” aged “structure, the effect of attrition or patina, metallic luster or vice versa giving the product a look of” rejuvenation “by updating the color, giving it strength, shine, overall finish and strengthening the structure of the material as a whole. Thanks to such methods of restoration it is possible to achieve not just the desired, but also almost unique result of work. The features of the stages of shoe restoration are investigated in the article. Technological stages of restoration of footwear and step-by-step technology of finishing of finished products have been developed. A full cycle of restoration works was carried out on samples of men’s shoes worn. Tested according to the requirements of the standards and experimentally proven high wear resistance of the surface of the materials of the restored shoes, namely: the ability of the material to repeated bending, stretching, wet and dry friction. Experimental wearing of restored shoe samples was carried out. The high operational characteristics of the studied products have been confirmed. The expediency of these works has been proved experimentally.
FEATURES OF DESIGNING ONLINE SERVICE FOR SHORT-TERM RENTAL OF HOUSING FOR TOURISTS
Authors: DUMYN Iryna , SEMYCH Tamara ,   Lviv Polytechnic National University
Published: February 2023

The aim of this work is to create requirements for the search engine housing system for tourists, easy to use and with a pleasant design, adapted to different users with the possibility of intercultural exchange. The main task is to create an online service that combines the features of Booking.com as a structured rental system and the Couchsurfing.com platform as a service for sharing hospitality and finding new friends worldwide. During the work, a detailed review and study of the development process of tourism and the impact of the Internet on the promotion of online services for finding and renting housing. Existing analogues of rental housing systems were described. The main task of developed online service is to provide tourists with the opportunity to search for and rent apartments for the duration of their travels. The traveler, being on the site’s main page, should be able to specify the search criteria, namely to enter the details of the destination, the desired rental dates, the number of inhabitants and special requirements for apartments. The online service, in turn, must immediately sort the proposals based on the specified characteristics and display options to the user. According to the research, functional requirements for the future service were formed and described, the architecture of client-server software development was chosen for implementation, steps of software product implementation were described, data warehouse creation was created, and the image of ready online service was presented.
THERMOSTABLE REFERENCE CURRENT AND VOLTAGE SOURCES FOR HIGH-LINEAR ANALOGUE-CODE-ANALOGUE SYSTEM
Authors: AZAROV Oleksiy , FIGAS Anna ,   Vinnytsia National Technical University
Published: February 2023

DC sources and reference voltage sources are widely used in various electronic devices: analog-to-digital and digital-to-analog converters, DC amplifiers, sample-and-hold devices, stabilized voltage sources, and others. At the same time, the accuracy and temperature characteristics of the latter largely depend on the same characteristics of direct current and voltage sources, which are subject to stringent requirements. There are quite a lot of different approaches to the construction of reference voltage and current source circuits with thermal compensation. The most famous of them – with the use of thermally compensated zener diodes operating in reverse breakdown mode. However, devices based on them have a high power consumption and low efficiency and a high level of noise, and it is difficult to implement temperature drift compensation due to a wide spread of temperature characteristics. The so-called bandgap circuits are also widely used – transistor reference voltage sources, the value of the reference voltage of which is determined by the band gap of the semiconductor. The most famous of them are Vidlar’s bandgaps and Brokau’s bandgaps. The specificity of all bandgap circuits is the rigid binding of the output voltage to the band gap of the semiconductor. The article proposes an alternative approach to the construction of direct current and voltage sources, which consists in the use of circuits of two-pole direct current sources. A new approach to the construction of thermally stable reference current sources based on bipolar transistors using the band gap voltage of a semiconductor and current mirrors is proposed. The principles of operation of the circuits are described and the possibility of achieving thermal compensation is proved. Computer modelling of the static characteristics of the proposed reference current sources, in particular, the temperature drift of the currents, has been carried out. A new approach to the construction of thermally stable reference voltage sources based on bipolar transistors with the use of thermally stable reference current generators is proposed. Analytical expressions are obtained that describe operation of circuits of reference voltage sources according to the proposed approach. A method for increasing the loading capacity of these reference voltage sources is proposed.
SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF ZnO NANOPARTICLES
Authors: ASAULYUK Tatyana , SARIBYEKOVA Yulia , SEMESHKO Olga , KULISH Irina ,   Kherson National Technical University
Published: February 2023

In the present work, zinc oxide (ZnO) nanoparticles were synthesized by direct precipitation method in aqueous solution using zinc acetate dihydrate and sodium hydroxide as precursors. The molar ratio of Zn2+ to OH– was 1:2. The obtained precipitated compound was treated at different temperatures. The crystal phase and structural parameters of each prepared ZnO samples such as interplanar spacing, crystallite size, dislocation density, micro strain were determined by X-ray diffraction (XRD) analysis for different crystallographic planes. Other crystallite parameters such as lattice constants, unit cell volume, Zn–O bond length, crystallinity of synthesized ZnO samples also were calculated from the XRD data. The XRD patterns show the successfully synthetized ZnO phase with wurtzite hexagonal structure and average crystallite sizes of 24.6 nm, 25.6 nm and 28.1 nm for the samples that dried at room temperature without heat treatment (S1), dried at 60°C without calcination (S2), dried at 60°C and calcinated at 300°C in air atmosphere for 2 hours (S3) respectively. The calculated structural parameters of the synthesized ZnO nanoparticles are in good agreement with the standard reported data (JCPDS 36-1451). The effect of heat treatment on the structural parameters of synthesized ZnO nanoparticles was examined and it indicates that increasing the thermal decomposition temperature improves the quality of crystalline material. The XRD data show that the synthesized S3 sample was free of impurities and characterized by lattice constants a = 3.252 Å, c = 5.210 Å, unit cell volume V = 47.703 Å3, bond length Zn–O = 1.9789 Å and crystallinity 93%. The results are of practical value for simple synthesis of highly dispersed forms of ZnO and its possible application in textile finishing.
A NEW APPROACH TO CREATING A HIGHLY STABLE RANGE MICROWAVE GENERATOR
Authors: BILYK Oleksandr , KONONOV Serhii ,   Vinnytsia National Technical University
Published: February 2023

A range microwave generator is considered. A frequency multiplier is installed in the PLL loop of the generator. There is no frequency divider in the generator. It has increased stability due to low output phase noise. The proposed device can be used in telecommunications and radio equipment. The microwave generator consists of an autogenerator, three multipliers, a bandpass filter, two low-pass filters, a reference frequency unit, a harmonic generator, and a control unit. Auxiliary units of the generator are two adders, a key and two controllers. The first multiplier together with the bandpass filter works as a stroboscopic transducer, the second – as a quadrator, the third with a low-pass filter – as a phase detector. The inputs of the stroboscopic converter receive two voltages from the harmonic generator. The frequencies of the first voltage harmonics are close. Voltages have the form of short pulses and are enriched with harmonics. After the signal at the output of the first low-pass filter, the first controller opens the key, switches the reference frequency node and through the second controller closes the PLL loop. The control unit sets the reference frequencies and changes the frequency of the autogenerator. The main nodes of the PLL loop are the third multiplier with the second low-pass filter. Auto-tuning of the generator begins with the appearance of the control signal from the quadrator. The signal appears after the strobe conversion frequency at the output of the bandpass filter coincides with the center frequency. The frequency instability of the range generator decreases. It is approaching the instability of the reference frequency. The stability of the reference frequencies determines the relative frequency error of the range of the microwave generator. The maximum frequency depends on the parameters and dynamic properties of the autogenerator, stroboscopic transducer and harmonic generator. A high-quality harmonic generator will provide a low level of phase noise. The structural scheme of the microwave generator is offered and its work is explained. The analysis of the mathematical model of the microwave generator is performed. The formulas of interrelation of voltages of knots with initial oscillation of the generator are received. Computer simulations have confirmed that the output frequency can be stabilized in the generator.
RESEARCH OF THE WIND POWER PLANTS GENERATION WITH ENERGY STORAGE SYSTEMS
Authors: Malohulko Yuliya , Povstianko Katerina , Zatkhei Maksim ,   Vinnytsia National Technical University
Published: February 2023

In this work, the problem of integration of such elements of the electric power network as: industrial energy storage and directly wind generators is investigated. The sharp increase in the share of this type of electricity creates a number of issues that need to be resolved, first of all, the stochastic nature of the work. Solving this problem is relevant not only from the point of view of eliminating the phenomenon of uneven energy generation using a wind turbine, since wind is a variable source of energy, but also increasing the indicators of the interaction of the wind flow with the generator blades, i.e. increasing the permeability of the wind. This problem was noticed during the study of the operation of modern wind systems, especially the period of operation during direct start-up and in the presence of low wind speed, and therefore the efficiency is minimal. In this case, the use of energy storage systems is the best option for integration, as it allows not only to store energy, but also to increase the level of reliability of electricity supply. The work includes an overview of several variations of the location of wind power plants and energy storage systems: local, distributed, centralized. The use of one or another option depends on the size and load of the direct network. In addition, two models of energy storage were investigated in the work: storage in the rear part of the installation and storage in the front part of the installation. The study showed that using the option when the storage systems are located in the front part of the installation increases the weight of the nacelle, which is a negative factor, but installing it in the rear part or next to it increases the level of losses, which is an equally significant factor. In general, the installation of storage systems will complicate the immediate work, and also increase the cost, but in view of the future perspective, the solution to these issues is fully justified. Having solved the technological questions that gradually arise, the process of generating energy based on wind turbines and its synchronized storage will satisfy other important questions.
Entre la unidad y el conjunto: Método de aproximación al proyecto urbanoarquitectónico, caso San Mateo, Pereira
Authors: Duque Muñoz Valentina
Published: February 2023

Este artículo presenta los resultados del proceso académico correspondiente a la primera cohorte de la Maestría en Arquitectura y Urbanismo, el cual tiene como lugar estratégico de intervención el batallón San Mateo, por su interés en la nueva reconfiguración urbana de la ciudad de Pereira. La estrategia metodológica consiste en el abordaje del espacio bajo un sistema donde la vivienda es el elemento estructurante del conjunto urbano. Expuesto así, el proceder metodológico se presenta como un mecanismo que articula el diálogo entre la unidad básica, expuesta aquí como unidad residencial, y el conjunto, como resultado de proyección de un prototipo metodológico modulado de diseño para el desarrollo de un proyecto urbano. Este proceso metodológico permite abordar una pieza de 60 hectáreas aproximadas, donde su posición geográfica, sus características geomorfológicas y su estado en el imaginario de los ciudadanos admite repensar estrategias de aproximación en las nuevas configuraciones urbanas.
Academia y arquitectura sus procesos de desarrollo y su relación con la sociedad
Authors: Sánchez Rincón Pavel
Published: February 2023

Este artículo de reflexión expone cómo, entre la variedad de factores que guían él proceso de transformación que sufre la ciudad contemporánea, la academia está ocupando un espacio contundente y definitivo. Se toma como punto de análisis la ruptura que se ha creado en la relación docente-alumno, eje central de la educación y más aún cuando se trata de la enseñanza de disciplinas como la arquitectura. Esto porque en dichas disciplinas se hace fundamental la capacidad de trasmitir los conocimientos adquiridos de manera correcta y precisa, para de esta manera dar continuidad a la herencia cultural tangible e intangible que nos han dejado nuestros antepasados
Conflicto territorial por usos del suelo en el distrito de Buenaventura: territorio en mutación
Authors: Sinisterra Micolta Arley
Published: February 2023

El presente artículo muestra el conflicto territorial generado por el uso portuario y el uso urbano en el distrito de Buenaventura, fenómeno que evidencia mutación urbana y que ha producido procesos de transformación no planificados en el territorio. Para tratarlo, se hace un recuento de las condiciones portuarias de la ciudad y su comportamiento en la económica nacional; luego, un breve repaso de la evolución urbana en el tiempo, seguido de las tendencias actuales que motivan las transformaciones del territorio; por último, se describen algunas consideraciones como conclusión a las situaciones planteadas.
Recuperación de las prácticas tradicionales, enfocadas en la arquitectura de la casa y las tipologías de asentamiento de la comunidad afrodescendiente en el corregimiento de Santa Cecilia. Pueblo Rico (Risaralda)
Authors: Valencia Londoño Juan Daniel
Published: February 2023

En este trabajo se propone definir estrategias para recuperar las prácticas tradicionales enfocadas en las tipologías de asentamiento y la arquitectura de la casa de la comunidad afrodescendiente del corregimiento de Santa Cecilia en el municipio de Pueblo Rico, Risaralda; para ello, se realizó una recopilación de información documental, de fuentes primarias y técnica, la cual se analizó para generar un plan de reubicación y mejoramiento de las zonas de alto riesgo del corregimiento. Con esto, se busca el empoderamiento de la comunidad para generar una unión entre los diferentes actores en la construcción y gobernabilidad del territorio. Se hace una revisión de las autoras Gilma Mosquera Torres y Luz Adriana Maya Restrepo para establecer las características de la cultura afro en torno a la vivienda. El desarrollo de la investigación se da en tres fases: aproximación al territorio, análisis y valoración de la información vinculada al tema de interés y, por último, el desarrollo de propuestas y resultados. Dichos resultados son un plan sectorial de vivienda tradicional sostenible y un proyecto urbanoarquitectónico para el desarrollo de un plan de vivienda de interés cultural, los cuales generan lineamientos básicos de ordenamiento del territorio para el casco urbano de Santa Cecilia.
EXPERIENCE IN IMPLEMENTING THE INTERACTION OF THE POPULATION CANCER REGISTRY WITH THE TERRITORIAL COMPULSORY HEALTH INSURANCE FUND IN TERMS OF UPDATING DATABASES
Authors:   Nizhniy Novgorod Regional Clinical Oncology Center, Shadrova O. M. , Beloglazova N. A. ,   Nizhniy Novgorod Regional Clinical Oncology Center, Gamayunov S. V. ,   Nizhniy Novgorod Regional Clinical Oncology Center
Published: February 2023

The article provides information on the organization of collection, analysis, and entry of information on cancer patients into the unified network information and analytical system of the Cancer Registry of the Nizhny Novgorod region. The results of the reconciliation of the databases of the Cancer Registry and the Territorial Compulsory Medical Insurance Fund of the Nizhny Novgorod region in 2021-2022 are presented.
Effect of shaft speed on performance of magnetic fluid seal with gas isolation for sealing water
Authors: Wang Hujun
Published: February 2023

When applied to seal liquid, magnetic fluid seal was prone to failure with the increase of shaft speed because of instability at the interface of these two fluids caused by shaft rotation. In order to avoid this problem, a new type of magnetic fluid seal was proposed, in which the magnetic fluid was separated from the sealed liquid by gas. The sealing principle of the structure was studied. Gas-liquid two-phase flow in the structure was simulated by computational fluid dynamics. A test rig of magnetic fluid seal with gas isolation was set up. Experiments of pressure resistance and seal durability of the original structure and structure with gas isolation for sealing water were carried out on the test bench. The results of theoretical analysis, CFD and experiments indicated that: there was no obvious relationship between shaft speed and performance of magnetic fluid seal when gas isolation was added for sealing water. Its pressure resistance was almost the same as that of the structure sealing gas. Its seal durability was significantly longer.
Study on the influence of different factors on linear CCD online detection device for drug mixing concentration
Authors: Yang Yafei , Wang Guoqiang , Wang Li , Chen Yinsheng , Shen Zhizheng
Published: February 2023

In this experiment, the linear CCD mixing concentration online detection device was studied under five concentrations of carmine solution: 0.1 g/L, 0.3 g/L, 0.5 g/L, 0.7 g/L, and 0.9 g/L, for the factors that can affect the detection accuracy in the real spraying process (spray flow rate, spray pressure, liquid temperature, and light intensity). The results show the following results: different spray flow rates have less influence on the concentration detection results; the greater the concentration of the solution, the less the influence of the spray pressure on the detection; the smaller the concentration of the solution, the greater the influence of the spray pressure on the detection; the greater the concentration of the solution, the greater the influence of the liquid temperature on the detection; the smaller the concentration of the solution, the greater the influence of the liquid temperature on the detection; the smaller the concentration of the solution, the greater the influence of the liquid less.
Application research of image recognition technology based on improved SVM in abnormal monitoring of rail fasteners
Authors: Fan Xianzheng , Jiao Xiongfeng , Shuai Mingming , Qin Yi , Chen Jun
Published: February 2023

Railway transportation is the main means of transportation for people and the main way of logistics transportation, playing an important role in daily life. Therefore, the safety inspection of railway track has been widely valued. The abnormal intelligent detection of rail fasteners is the key content of rail safety detection. The traditional rail fastener detection method is based on machine learning for image recognition, such as SVM, to detect abnormal rail fasteners. But the traditional method has two defects. The first point is that the detection time is long, and the second point is that the detection accuracy is low. To solve this problem, a rail fastener anomaly detection model based on SVM optimized by IFOA algorithm is proposed. Firstly, the image of rail fastener is collected and filtered; Then, edge detection and image segmentation are performed to obtain the image of the target area; Finally, the HOG feature and LBP feature of the image are extracted, and the improved IFOA-SVM is used to recognize and classify the features, so as to achieve intelligent rail fastener anomaly detection. The experimental results show that when the IACO-SVM model is iterated to 254 times, the fitness value tends to be stable, which is 0.24. The detection accuracy of the model reaches 99.82%, which is higher than the traditional models, and can meet the work requirements of rail fastener anomaly detection. The rail fastener anomaly detection model based on SVM can improve the efficiency of rail fastener anomaly detection, and has a positive effect on the normal operation of railway transportation. However, the number of experimental samples used in the study is limited, which may lead to some errors in the experimental results. Therefore, it is necessary to increase the number of samples in subsequent studies.
Application value of analgesia throughout labor and analgesia during the first stage of labor in women with pregnancy-induced hypertension
Authors: Yang Mo , Yang Na , Yan Zhanqiu , Tong Yan , Zhao Xiumei , Gu Chengmin , Gao Caiyun , Yang Qing
Published: February 2023

BACKGROUND: Effective analgesia is required to ensure maternal and neonatal safety. OBJECTIVE: To compare the therapeutic effects of analgesia applied throughout labor and analgesia applied during the first stage of labor in women with pregnancy-induced hypertension (PIH). METHODS: In this study, 120 puerperae with PIH who gave birth in our hospital were enrolled as the study participants and were randomized into two groups (n= 60 in each group) using a coin flip. Those who received analgesia throughout labor were enrolled in the observation group, and those administered analgesia during the first stage of labor were enrolled in the control group. The analgesic effects, changes in blood pressure during labor, and neonatal health were compared between the two groups. RESULTS: Differences in visual analog scale (VAS) scores before analgesia, 10 min after analgesia, and full cervical dilation between the two groups were not statistically significant (P> 0.05 in all). The VAS scores of the puerperae in the observation group during forced breathing in the second stage of labor and fetal head expulsion were lower than those in the control group (P< 0.05 for both). The incidence of postpartum hemorrhage, forceps delivery, and antihypertensive treatment in the observation group was slightly lower than in the control group, but the differences were not statistically significant (P> 0.05). The rate of oxytocin treatment in puerperae in the observation group was significantly lower than in the control group (P< 0.05). The differences in base excess, arterial partial pressure of oxygen, partial pressure of carbon dioxide, and pH between the two groups of newborns were not statistically significant (P> 0.05 for all). Differences in changes in systolic and diastolic blood pressure between the two groups of puerperae were not statistically significant (P> 0.05 for both). Eclampsia did not occur during labor in either group. CONCLUSION: For patients with PIH, the application of analgesia throughout labor had a positive analgesic effect, effectively controlling the changes in blood pressure and ensuring the health of newborns. This is worthy of widespread clinical application.
Case study on the treatment of dopamine dysregulation syndrome
Authors: Du Jie , Wei Liang
Published: February 2023

BACKGROUND: The clinical manifestations of Parkinson’s disease (PD) are bradykinesia and abnormal walking postures. Patients with PD are prone to complications such as drug addiction, which may not only lead to cognitive, behavioral, and affective disorders but also have irreversible impacts on patients’ body indexes. CASE DESCRIPTION: In this study, the treatment regimen for a patient with dopamine dysregulation syndrome was adjusted to allow for the withdrawal of Trastal, gradual decrease of Madopar, and the addition of Comtan and clozapine. While the body indexes effectively improved, the patient did not experience negative side effects. CONCLUSION: Reducing the dosage of Madopar and reasonably applying the treatment regimen can improve the clinical treatment effect and improve the quality of life of patients.
Effect of Economic Freedom on the Facilitation of FDI Inflows: Focus on the Direct and Moderating Effect by the Stage of Economic Development
Authors:   The Institute of Management and Economy Research, Kim Moo-Soo , Lee Chan-Hee
Published: February 2023

Purpose - This study is to investigate the direct and moderating effect of intangible variable like economic freedom to facilitating factors on FDI(foreign direct investment) inflows and the difference of facilitating factors by the stage of economic development.
Design/methodology/approach - Fixed-effect panel regression analysis with 19-year macro economic data from 2000 to 2019 including economic freedom index from Fraser Institute in 13 developed and 15 developing countries was used.
Research implications or Originality - In analysis of direct effect of 5 sectors in economic freedom, the influence of economic freedom was shown weaker than other macro economic factors on FDI inflows, which indicates that actual development of economic factors are more important. The effect of economic freedom on FDI inflows at the stage of economic development differed. In developed countries, human capital, GDP, export, free trade and regulation affected FDI inflows in decreasing order, as did human capital, GDP, consumption expenditure, export, investment expenditure, government expenditure, free trade and sound money in developing countries. In analysis of moderating effect of economic freedom, a domestic and international market size, a flexible labor market which can provide a cheaper good human resources and government expenditures for improving social infrastructure under free economic environment facilitated FDI inflows. However, the statistical significance of moderating effect on export was not shown, which indicates that
Konseling Individual: Implementasi Pengabdian di Rumah Konseling Kota Serang
Authors: Dara Valeri Wati  , Lailah Fiyah Alfiyatul , Agus Sukirno
Published: February 2023

Kepercayaan diri sangat penting dalam bersosialisasi. Kenyataannya yang terjadi sekarang, beberapa individu selalu merasa kurang percaya diri atas dirinya, merasa takut dan tidak mau besosialisasi dengan lingkungan sekitar. Penelitian ini merupakan penelitian kualitatif dengan menggunakan konseling individual. Studi ini di dasarkan pada kasus konseling klien dewasa awal perempuan yang sedang mengalami kehilangan kepercayaan dirinya pasca kuliah. Therapy (REBT) digunakan untuk membangun kembali konsep kepercayaan diri klien. Therapy REBT memungkinkan klien mengubah cara berfikir negatif menjadi positif dan merasionalisasi pemikiranya untuk menghindari perasaan tertekan dikarenakan hilangnya rasa percaya terhadap diri sendiri. Subjek penelitian ini adalah seorang klien berusia 24 tahun. Pelaksanaan penelitian ini di lakukan dalam 1 kali pertemuan konseling. Peneliti sebagai konselor yang memberikan layanan konseling individual dan tempat penelitianya berlokasi di kantor Rumah Konseling Aku Temanmu Kota Serang. Adapun hasil penelitian ini terbukti adanya gangguan stres yang mengganggu fikiran, perasaan, dan tingkah laku pada klien.
Sosialisasi Sanitasi Total Berbasis Masyarakat Di Desa Sukasari Dan Panunggulan Kecamatan Tunjung Teja Kabupaten Serang
Authors: Ismayati Yuniar Euis , Chairulfalah A. Machron , Nurjaman  , Trikawati  , Nurliana Lia , Agung Riyanto Dwi
Published: February 2023

Community-Based Total Sanitation (STBM) is very important and must be practiced, realized or actualized in the daily life of all community members. This is due to behavioral factors that contribute 30-35% to health status, so various ways are needed to make unhealthy behavior healthy, one of which is through the Community-Based Total Sanitation (STBM) program. The low level of clean and healthy living behavior in the school environment is partly due to the low level of public awareness in implementing clean and healthy living behaviors, such as open defecation so that our country's ODF (open defecation free/stop open defecation) rate is the 2nd lowest after India. , also community members never wash their hands with soap when they are going to eat, prepare unhealthy food and drink, throw trash in the wrong place, let alone take the initiative to build a garbage bank, and allow water to stagnate inside and in the yard. Socialization of clean and healthy living behavior is only implemented in the form of an appeal for behavior change so that people's lives are healthier and the Healthy District/City Program will be implemented. Moreover, Serang Regency, Pandeglang Regency and Lebak Regency are still lagging behind in Banten in the Healthy District/City Program. The three regencies have never received a basic-level Healthy District/City Award (Papada Award) because the ODF level is very low (below 7%). Thus, information is urgently needed regarding the importance of clean and healthy living behavior and realizing STBM at the village level.
Os impactos da pandemia do coronavírus na educação básica: o que revelaram pesquisas realizadas
Authors: Albuquerque Bruna Ognibene Pires de , Costa Alisson Rodrigues da
Published: February 2023

Este artigo objetiva identificar, em pesquisas realizadas durante o período acometido pela Covid-19, quais foram os impactos causados pela pandemia para a educação básica. A crise sanitária que impôs o fechamento das escolas para tentar impedir a disseminação do vírus gerou grandes consequências na área educacional, como o aumento da evasão escolar e a ampla utilização da tecnologia em uma tentativa de minimizar os efeitos negativos do isolamento. Porém, mesmo com todos os esforços dos órgãos públicos para reduzir os possíveis atrasos gerados pela pandemia, observa-se que a educação sofreu uma grande perda. Tal fato pode ser confirmado ao analisar os índices de aprendizagem, que tiveram queda se comparados aos anos anteriores e ao examinar o aumento da taxa de evasão escolar durante o período de surto do coronavírus.
Etnobotânica e preservação cultural: tradição, comunidade, escola e educação ambiental
Authors: Soares Sirlene Bruno , Morais Isa Lucia de , Caes André Luiz
Published: February 2023

O uso de plantas medicinais pelo homem é uma tradição passada de geração em geração há milênios. Entretanto, com as mudanças de hábitos na sociedade urbana e industrial, essa cultura está gradativamente entrando em esquecimento, promovendo perda cultural e ambiental. O Cerrado é um dos biomas que mais vivencia a perda ambiental no mundo. Neste cenário, é preciso ampliar a valorização do patrimônio cultural imaterial, tanto das plantas medicinais como da biodiversidade local, com o uso das reflexões formuladas pela Etnobotânica e com o enfoque da Educação Ambiental. Nesta perspectiva, esta pesquisa relacionou a cultura sobre as plantas medicinais com a preservação da natureza, inserindo as concepções da Educação Ambiental; inventariou as plantas medicinais existentes nos quintais dos estudantes da escola Geraldo Dias de Godoy, situada no Povoado Nossa senhora de Fátima em Caldas Novas, GO; e analisou suas representações sociais e a de seus pais e avós sobre as plantas utilizadas e o ambiente. Para a coleta dos dados, foram utilizados questionários, formulário, desenhos e fotografias com significação. Foram entrevistados 33 participantes, sendo 22 adultos e 11 crianças. A mãe foi a responsável mais citada na transmissão do conhecimento sobre as plantas medicinais. Foram registradas 72 espécies de plantas medicinais nos quintais dos participantes. Os resultados da representação cultural e ambiental demonstraram que, na maioria dessas famílias, a presença do saber tradicional e a importância da biodiversidade se fazem presentes na atualidade.
Estudo de caso: manutenção preventiva em um sistema de controle de incêndio
Authors: Xisto Miriam Cristina , Oliveira Júlio César de Camargos , Reis Ângelo Antônio
Published: February 2023

Este trabalho visa apresentar e demonstrar a importância da manutenção preventiva em sistemas de proteção contra incêndio por meio de um estudo de caso. Foi realizada uma vistoria em um sistema de proteção contra incêndio e elaborado um laudo com as oportunidades de melhoria identificadas. A manutenção preventiva é extremamente importante para garantir que o sistema funcione conforme o projeto, protegendo os ativos físicos e pessoas. A ausência de manutenção periódica pode ser catastrófica se os equipamentos falharem durante um evento real de incêndio. As recomendações e orientações apresentadas baseiam-se nas Normas Regulamentadoras e Resoluções Técnicas do Corpo de Bombeiros. Porém, no âmbito da legislação de Minas Gerais, observa-se que há uma lacuna vazia de regras ou regulamentação legal para medidas corretivas após as inspeções preventivas periódicas. Não há definição de prazos e responsáveis por implementar as ações corretivas, haja vista que ocorre obrigatoriamente somente nas renovações de Auto de Vistoria do Corpo de Bombeiros de Minas Gerais, a cada cinco anos, excluindo-se eventos temporários e construções provisórias. Assim, este trabalho sugere a criação e a inserção de um capítulo específico em uma Instrução Técnica do Corpo de Bombeiros Militar de Minas Gerais (CBMMG), que disponha propriamente sobre o tema de inspeção periódica em sistemas de proteção e combate a incêndio. Em um trabalho futuro, cabe analisar onde melhor vincular o texto na legislação vigente, sua viabilidade e impacto social.
Study of propargyl ethers of aminomethylated alkenylphenols as corrosion inhibitors of ferrous metals
Authors:   Baku State University, Bayramov M.R. , Mehdiyeva G.M. ,   Baku State University, Agayeva M.A. ,   Baku State University, Javadov M.A. ,   Baku State University, Aliyeva G.M. ,   Baku State University, Hasanova G.M. ,   Baku State University
Published: February 2023

. The article presents the results of studies on the evaluation of the adsorption properties of three aromatic compounds containing simultaneously several active centers in the structures - fragments with double and triple bonds and an aminomethyl group: 1-propenyl-2-propargyloxy-3-diethylaminomethylbenzene (I), 1-allyl- 2-propargyloxy-3-diethylaminomethylbenzene (II) and 1-allyl-2-propargyloxy-3-morphoaminomethylbenzene (III). Based on the data of gravimetric studies, the adsorption-desorption constants (Kads), as well as the adsorption energy (Gads) were calculated, confirming the mechanism for protecting the steel surface from acid corrosion by forming chemisorbed adsorption layers on it.