bluuebunny/crossref_metadata_2025 huggingface dataset:
Radiation Shielding Enhancement of Polyester Adding Artificial Marble Materials and WO3 Nanoparticles
Authors: Hemily Hanaa. M. , Saleh I. H. , Ghataas Z. F. , Abdel-Halim A. A. , Hisam R. , Shah A. Z. , Sayyed M. I. , Yasmin S. , Elsafi M.
Published: October 2022

The radiation shielding abilities of waste marbles with different concentrations of WO3 (tungsten oxide) nanoparticles were investigated. Four marbles were prepared with 0, 0.05, 0.1, and 0.2 WO3 nanoparticles. The study aims to investigate the effect of the WO3 concentration, the density, and the particle size of the waste marble samples. The linear attenuation coefficient (LAC) of the S1 sample, the sample with no WO3, was determined theoretically and experimentally, and the results demonstrated that they were close enough together to adequately determine the LAC of the other samples. Additionally, the samples with nano-WO3, rather than micro-WO3, were found to have a greater LAC, showing that decreasing the particle size of the sample improves their shielding ability. Samples with greater WO3 content also had higher LAC values. The LAC of the marbles was also evaluated at a wide energy range (0.015–15 MeV) to examine the shielding properties of the samples for a wide range of applications, and an inverse trend between LAC and energy was observed. The radiation protection efficiency (RPE) of the marbles demonstrated that the marbles absorb almost all incoming photons at low energies. As energy increases, the efficiency of the samples naturally drops, as the photons are able to penetrate through them with greater ease. High energy dependence was found when calculating the half-value layers (HVL) of the samples. When comparing the LAC and mean free paths (MFP) of the marbles, an inverse relationship was observed. Furthermore, the samples with nano-WO3 had a smaller MFP than those with micro-WO3, meaning that decreasing the particle size of the samples improves their radiation shielding ability. The Zeff of the micro-WO3 samples was also determined and the values followed three distinctive trends depending on the energy range of the incoming photons.
An Analysis of the Energy Consumption Forecasting Problem in Smart Buildings Using LSTM
Authors: Durand Daniela , Aguilar Jose , R-Moreno Maria D.
Published: October 2022

This work explores the process of predicting energy consumption in smart buildings based on the consumption of devices and appliances. Particularly, this work studies the process of data analysis and generation of prediction models of energy consumption in Smart Buildings. Specifically, this article defines a feature engineering approach to analyze the energy consumption variables of buildings. Thus, it presents a detailed analysis of the process to build prediction models based on time series, using real energy consumption data. According to this approach, the relationships between variables are analyzed, thanks to techniques such as Pearson and Spearman correlations and Multiple Linear Regression models. From the results obtained with these, an extraction of characteristics is carried out with the Principal Component Analysis (PCA) technique. On the other hand, the relationship of each variable with itself over time is analyzed, with techniques such as autocorrelation (simple and partial), and Autoregressive Integrated Moving Average (ARIMA) models, which help to determine the time window to generate prediction models. Finally, prediction models are generated using the Long Short-Term Memory (LSTM) neural network technique, taking into account that we are working with time series. This technique is useful for generating predictive models due to its architecture and long-term memory, which allow it to handle time series very well. The generation of prediction models is organized into three groups, differentiated by the variables that are considered as descriptors in each of them. Evaluation metrics, RMSE, MAPE, and R2 are used. Finally, the results of LSTM are compared with other techniques in different datasets.
The Effects of Five-Year Biosolid Application on the Diversity and Community of Soil Arthropods
Authors: Li Guihua , Guo Kangli , Zhang He , Zhang Jianfeng
Published: October 2022

Land application of biosolids is a beneficial form of management, although heavy metal contamination is a major concern. Biosolid application can shape the abundance, species richness, and community structure of arthropods, which are important regulators of soil processes. We investigated the effect of the five-year (2012–2017) application of domestic biosolids at 0, 15, 30, and 45 ton ha−1 on the soil properties, enzyme activity, heavy metal concentrations, abundance, and diversity of soil arthropods in degraded sandy soil. The results showed that the application of a high amount of biosolids resulted in an increase in soil organic carbon of 2.6 times and in the water content of 2.8 times compared with CK (no biosolids). The total metal concentrations of Cr, Ni, Cu, Zn, Cd, and Pb increased by 6.6%, 3.2%, 6.6%, 7.7%, 13.3%, and 22.5%, respectively, compared with CK in soil (p > 0.05). The activities of seven enzymes, which mainly participate in carbon (C), nitrogen (N), phosphate (P), and sulfur (S) transformation, increased by 1.53%~122.7%, indicating that the soil function did not change under biosolid application. The number of individual arthropods collected from a square meter of soil changed from 0 to 2560. The total abundance of arthropods increased from 1.2 to 4 times under biosolid application (p < 0.05), but biosolid application had no effects on simple measures of richness and diversity (Shannon–Weaver index). Multivariate ordination techniques showed a significant shift of the arthropod community structure under biosolid application due to differing responses of several taxa to the biosolids. Redundancy analysis highlighted the influential role of soil chemical properties (soil organic C, total N, water content, microbial biomass, and pH) and cadmium in shaping the soil arthropod structure. These results suggest that long-term biosolid application with limited heavy metal concentrations does not have detrimental effects on soil arthropods or microbial-related soil function.
Particulate Matter and Trace Metal Retention Capacities of Six Tree Species: Implications for Improving Urban Air Quality
Authors: Zhang Weikang , Li Yu , Wang Qiaochu , Zhang Tong , Meng Huan , Gong Jialian , Zhang Zhi
Published: October 2022

As effective filters for natural particulate matter (PM), plants play an important role in the reduction of PM, thus improving air quality. However, research on the relationship between leaf functional traits and PM retention capacity in different polluted environments remains limited. In this study, six tree species (Abies holophylla, Pinus tabuliformis, Juniperus chinensis, Populus berolinensis, Salix babylonica, Robinia pseudoacacia) in Shenyang city, China were selected as research objects to analyze their PM retention capacity in three different polluted environments (i.e., a busy road, an industrial area of the urban center, and a green space). Additionally, we determined the composition of trace elements associated with the different polluted environments; we also evaluated the impact of different polluted environments on leaf surface traits. The results showed that the actual amounts of PM and trace elements that accumulated on leaf surfaces differed considerably between pollution sites and plant species. The greatest accumulation of PM10 and PM2.5 deposited on the leaves of tested plants was at a traffic-related pollution site and the smallest accumulation was at a park site. There were significant differences in the PM10 and PM2.5 retention capacities of leaves among the different tree species (p < 0.05), in the following order: Abies holophylla > Pinus tabuliformis > Juniperus chinensis > Populus berolinensis > Salix babylonica > Robinia pseudoacacia. The average PM10 and PM2.5 accumulation amounts of Abies holophylla were 1.28–8.74 times higher than these of the other plants (p < 0.05). Trace element analysis showed that the elemental composition of PM accumulated on leaf surfaces was location-dependent. In conclusion, a highly polluted environment can increase the average groove width, stomatal density, and roughness compared to a low-polluted environment. In contrast, the average value of contact angle is higher at low-pollution sites than at other sites. These results suggest that Abies holophylla is the most suitable greening tree species and that its widespread use could significantly reduce PM pollution in urban environments.
Influence of Economic Openness on Total Factor Productivity: Evidence from China’s Belt and Road Initiative
Authors: Wu Maoguo , Han Xierui
Published: October 2022

The impact of international trade and export-oriented policies on economic growth has been an important topic. Based on an evaluation of China’s Belt and Road Initiative (BRI), this study provides new evidence of the positive causal link between increasing openness and long-term economic growth. Specifically, this study evaluates the BRI’s impact on 18 key provinces in China, with a focus on total factor productivity (TFP). Utilizing a panel dataset of 284 prefectural-level cities from 2007 to 2018, we examine the causal relationship between the BRI and TFP in a difference-in-differences framework. We apply the five-pronged approach to the BRI to explore the impact mechanism and examine heterogeneity in the effect in terms of geographic location and local government efficiency. We find that the BRI significantly promotes TFP in key provinces; it increases TFP through unimpeded trade, infrastructure connectivity, technical efficiency, and technological progress. The BRI promotes TFP in key coastal provinces belonging to the Maritime Silk Road while having a relatively limited impact on the other key provinces belonging to the Silk Road Economic Belt. This study has policy implications for promoting the BRI in China. It recommends that the government collaborates with firms and financial institutions in the construction of infrastructure.
Integrated Containership Stowage Planning: A Methodology for Coordinating Containership Stowage Plan and Terminal Yard Operations
Authors: Zhu Huiling
Published: October 2022

This study aims at achieving the optimized stowage plan based on the containers’ distribution in the yard and space structure of the ship by integrating the containership stowage problem with the block relocation and loading problem. The containership’s physical structure contributes to a variety of stowage plans, and the containers’ distribution in the yard restrains the container loading sequence. The integrated containership stowage model is established, considering irregular format ship configuration, the weight of each individual container and the stability constraints by limiting the range of related indicators to strengthen real-world scalability. Commercial managers can solve small-scale instances to reduce handling moves in the terminal yard by using the mathematical model, but they cannot solve large-scale instances in the real world. Thus, this study presents a heuristic algorithm to coordinate containership stowage and terminal yard operations. Numerical experiments compare the optimal solutions using the heuristic algorithm to that by CPLEX and GUROBI in small-scale instances, and the respective results are displayed in two stages using the heuristic algorithm. Computational results show that the proposed algorithm can provide the industry with decision support by dramatically and quickly reducing the relocations in the yard and the shifts in the containership, helping the container terminal keep a sustainable development process.
Associations between Age, Body Composition, Balance, and Other Physical Fitness Parameters in Youth Soccer
Authors: França Cíntia , Martins Francisco , Marques Adilson , de Maio Nascimento Marcelo , Ihle Andreas , Przednowek Krzysztof , Gouveia Élvio Rúbio
Published: October 2022

In sports, balance ability has been related to game performance and injury prevention. This study’s aims were twofold: (1) to analyze the balance performance of adolescent soccer players from different age groups; and (2) to examine the relationship between players’ age, body composition, balance, and other physical fitness parameters, such as strength and flexibility. In this study, 112 players from the under 15 (U15), under 16 (U16), and under 17 (U17) age groups participated. A one-way analysis of the variance was conducted to investigate differences between groups. Pearson correlations and hierarchical multiple regression were used to explore the relationship between variables. Regarding balance, the older group performed significantly worse in the stability indexes for both legs but significantly better in dynamic balance tests. Height correlated significantly and negatively with balance indicators. Both jumping tasks showed medium to large correlations with the sway indexes (−0.23 > r < −0.51). Although not significantly, body fat negatively affected balance, underlining the importance of monitoring body composition for players’ development. Overall, no substantial relationship was found between static and dynamic balance variables, and therefore, it is crucial to include both as complementary measures while evaluating youngsters’ postural balance.
Historical Trends Associated with Annual Temperature and Precipitation in Aegean Turkey, Where Are We Heading?
Authors: Mersin Denizhan , Tayfur Gokmen , Vaheddoost Babak , Safari Mir Jafar Sadegh
Published: October 2022

The trend analysis of annual temperature (daily average) and total precipitation has been conducted for 14 stations located in the Aegean Region, Turkey. The Sen, Spearman’s rho, and Mann-Kendall test methods are used in the detection of the historical trends in the region. The Pettitt test is also implemented to find the significance of the trend, while the Theil-Sen approach is applied to detect the change point(s) in the time series. Findings of the following study indicate that both precipitation and temperature time series in the selected stations depict statistically significant trends with increasing nature. The rate of increase in precipitation and temperature by the Theil-Sen test is found to be 4.2–7.9 mm/year and 0.20–0.35 °C/decade, respectively. It is also found that the turn points of the temperature trends determined by the Pettitt test occurred in 1998 for all the stations. According to the results, the magnitude of the extreme events would change in the future, which may help in conceptualizing the framework and the resilience of the infrastructures against climate change.
Small-Signal Stability Constrained Optimal Power Flow Model Based on BP Neural Network Algorithm
Authors: Yang Yude , Luo Yuying , Yang Lizhen
Published: October 2022

The existing small-signal stability constrained optimal power flow (SC-OPF) generally needs to deduce the sensitivity analytical expression of the small-signal stability index to parameters, which requires a large amount of formula derivation and mathematical computation. In order to overcome the complex problem of sensitivity, this article proposes an approximate sensitivity calculation method based on the back propagation (BP) neural network algorithm in the SC-OPF model. First, the minimum damping ratio of the system is taken as the small-signal stability index, and the algebraic inequality composed of the minimum damping ratio is used as the small-signal stability constraint in this model. Second, the BP neural network is introduced into the SC-OPF to analyze the mapping relationship between the generator power, node power, line power and the minimum damping ratio of the system, and then the numerical differentiation method is used to calculate the approximate first-order sensitivity of the minimum damping ratio in the correction equation. Finally, a series of simulations on the WSCC-9 bus and IEEE-39 bus systems verify the correctness and effectiveness of the proposed model.
“Zero-Waste” Food Production System Supporting the Synergic Interaction between Aquaculture and Horticulture
Authors: Nenciu Florin , Voicea Iulian , Cocarta Diana Mariana , Vladut Valentin Nicolae , Matache Mihai Gabriel , Arsenoaia Vlad-Nicolae
Published: October 2022

Inadequate production practices are widely used in aquaculture management, causing excessive water and energy usage, as well as ecological damage. New approaches to sustainable aquaculture attempt to increase production efficiency, while reducing the quantities generated of wastewater and sludge. The sustainable operating techniques are often ineffective, expensive, and difficult to implement. The present article proposes a zero-waste production system, designed for growing fish and vegetables, using a new circular operational concept that creates synergies between fish farming and horticulture. In order to optimize the operational flows with resources, products, and wastes in an integrated zero-waste food production cluster, a business model was designed associating three ecological production practices: a closed fishing pond, a technology for growing vegetables in straw bales, and a composting system. The design had the role to assist the transition toward multiple circular material flows, where the waste can be fully reintegrated into the production processes. A comparative evaluation was conducted in three alternative growing environments, namely, a soilless culture established in straw bales, a culture grown in soil that had received compost fertilizer, and the conventional farming technique. When compared to conventional methods, experiments showed a significant increase in the cluster’s cumulative productivity, resulting in a 12% improvement in energy efficiency, 18% increase in food production, and 25% decrease in operating expenses.
Correction: Evangelisti et al. Comparison between Heat Flow Meter (HFM) and Thermometric (THM) Method for Building Wall Thermal Characterization: Latest Advances and Critical Review. Sustainability 2022, 14, 693
Authors: Evangelisti Luca , Scorza Andrea , De Lieto Vollaro Roberto , Sciuto Salvatore Andrea
Published: October 2022

In the original publication [...]
The Effects of Inter-Limb Asymmetry on Change of Direction Performance: A Systematic Review
Authors: Lin Junlei , Shen Jie , Zhou Aiguo , Badicu Georgian , Grosz Wilhelm Robert
Published: October 2022

Objectives: This review aimed to clarify the associations between COD performance and asymmetries on horizontal jumping, vertical jumping, and strength. Methods: Three databases, including PubMed, Web of Science, and MEDLINE(EBSCOhost) were used to perform a systematic literature search. The search was up to 13 March 2022 and was limited to the literature in the English language and on the human species. Studies included reported exact measurement tools and correlation coefficients and studies in which participants aged >14 years were included. Moreover, studies that were not peer-reviewed and those that did not report an asymmetry index were excluded, as were studies for which the full text was not available. The modified Downs and Black Quality Index tool was used to evaluate the quality of the studies. Results: The systematic literature identified 1151 studies, but only 12 studies were included in this review. A total of 354 participants, ranging from 15 to 23 years of age, were recruited for these studies. The methodological quality score ranged from 6 to 8, with an average of 7.25. The associations between COD performance and vertical jump height, horizontal jump distance, and lower-limb strength asymmetries were examined in 11, 5, and 2 studies, respectively. Six studies reported that vertical jump height asymmetries scores can significantly reduce COD performance, while significant associations between COD performance and horizontal jump distance asymmetries and strength asymmetries were only observed in one study each. Specifically, four studies explored the relationships between CMJ height asymmetries scores and COD performance, and all reported significant associations between them. The main limitations of this review were that it did not consider the sports in which the participants were involved. Conclusions: This study suggests that drop jump height and eccentric knee strength asymmetries can reduce COD performance. Moreover, low horizontal jump asymmetries may not influence COD performance. Further research needs to determine whether the minimal threshold of horizontal jump asymmetries would not affect COD performance.
Effects of Site Karst Water on Fresh Coal Gangue at Baizhuang Coalfield, China—Leaching Characteristic
Authors: Jiang Bin-Bin , Huang Yu-Kai , Xu Dong-Jing , Cao Zhi-Guo , Wu Min
Published: October 2022

In mining areas where gangue is used for infill mining, Ordovician limestone karst water is affected by discarded gangue, and the water quality changes significantly. In this study, the effects of gangue on water quality change under different immersion solution conditions were evaluated by Zhai Zhen Coal Mine, Hongqi Coal Mine Ordovician Limestone Karst Water, and Baizhuang Coal Mine. The results showed that the cations in each group of immersion solutions had similar trends, and the Na+ concentration fluctuations were greater in karst water immersion solutions with higher initial sodium ion concentrations, while the fluctuations of calcium and magnesium ions were more obvious in the early stage of immersion, and the fluctuations were gradually slowed down in the later stage. The anions in the immersion solution also have a similar fluctuation trend, but only in the early stage of immersion. By comparing the changes of the three indexes (pH, TDS, and ORP) in the immersion solution, it was found that highly mineralized karst water had a good buffering effect on the changes in the basic water quality index, while the ultrapure water quality index with low salinity had the greatest change. The 100% stacked columnar plot between the main water chemical ion changes shows the relative scale relationship of the water chemical components in the immersion solution at each period, and the water chemical components change significantly in the early immersion period (0–7 d), and then enter the fluctuation changes period, and the ion changes in the fluctuation changes period are mainly Na+ and SO42− ions. This study provides a theoretical basis for exploring the changes of gangue to the quality of karst water in Ordovician limestone and also provides theoretical guidance for the study of groundwater pollution mechanisms in closed coal mines.
CFD-Modified Potential Simulation on Seakeeping Performance of a Barge
Authors: Nam Seol , Park Jong-Chun , Park Jun-Bum , Yoon Hyeon-Kyu
Published: October 2022

This study proposes a computational fluid dynamics (CFD)-modified potential (CMP) model. This hybrid model uses linear potential theory with a corrected damping ratio obtained from CFD simulations to analyze the seakeeping performance of a small vessel. According to the analysis procedure of the proposed model, a motion analysis, including the prediction of the roll and pitch damping ratio of a small barge, was conducted; to verify reliability; the results were compared to those of an experiment performed in a physical tank. The relative errors in the experiment for peak amplitude in the roll motion response amplitude operators (RAOs) using the CMP model were relatively small, whereas those obtained from only the potential analysis were large errors in all three conventionally used roll-damping ratios. In addition, the computational time consumed by the CMP model was longer than that consumed by the potential theory but faster than the full CFD simulation for all wave conditions. Subsequently, based on the motion analysis results, the seakeeping performance was evaluated in a real sea environment, and the results on the single significant amplitude (SSA) were discussed through comparison with the results of the potential analysis and experiment.
Physical Modeling of the Scour Volume Upstream of a Slit Weir Using Uniform and Non-Uniform Mobile Beds
Authors: Hamdan Ruaa Khalid , Al-Adili Aqeel , Mohammed Thamer Ahmed
Published: October 2022

This study presents new laboratory data on the time-varying scour upstream of a slit weir used for sediment release near hydropower intake. The governing parameters in temporal and spatial scour hole development under steady and unsteady flow conditions were experimentally investigated. This study includes 40 scenarios for steady flow at center and side slit weirs for uniform and non-uniform sediment with median sizes of d50 = 0.24, 0.55 mm and four scenarios of unsteady flow conditions at a center slit weir under different flow intensities. The steel slit weirs were built in a rectangular brick and concrete flume with dimensions of 1.25 m wide, 8.0 m long and 1.0 m deep. The dimensional analysis supports recent studies. This study demonstrates an increment in the resulted scour volume for fine and uniform sands at the center slit weir of about 2 times the value of coarse sand and 1.25 times the value measured with the side slit weir for uniform and non-uniform sands. However, the resulted scour volume for fine non-uniform sand at the center slit weir was recorded as 2.5 times that of coarse sand. There was a dramatic increase in the scour volume of about 4 times at the center slit weir and 3–3.5 at the side slit weir when the flow rate increased by 4 times.
Spatiotemporal Variation and Influence Factors of Vegetation Cover in the Yellow River Basin (1982–2021) Based on GIMMS NDVI and MOD13A1
Authors: Cheng Yi , Zhang Lijuan , Zhang Zhiqiang , Li Xueyin , Wang Haiying , Xi Xu
Published: October 2022

Depicting the spatiotemporal dynamics of vegetation cover in the Yellow River Basin (YRB) and delineating the influences of climate change and human activities on the dynamics have been of significant importance for understanding the surface earth systems in general and also for formulating ecological protection plans of the YRB in particular. This study uses the GIMMS NDVI dataset from 1982 to 2015 and the MOD13A1 NDVI dataset from 2000 to 2021 to explore the spatial and temporal characteristics of vegetation cover in the YRB for the period from 1982 to 2021 with an attempt to reveal the influencing factors. The spatial distribution and temporal variation characteristics of vegetation cover are analyzed by maximum value composite, Theil-Sen median trend analysis, and Mann–Kendall test. Combined with the mean annual temperature and annual precipitation in the same period, influencing factors of vegetation cover in the YRB are discussed by using binary linear regression analysis and residual analysis. Results show that: (1) the multi-year average NDVI values increase from the northwest to the southeast and that the annual mean values of the vegetation covers fluctuate relatively greatly along an increasing trend with a growth rate of 0.019/(10a). Understandably, the monthly mean NDVI values show a single-peak distribution pattern, with August being the peak time (0.4936). (2) 77.35% of the studied areas are characterized by exhibiting an increasing trend of vegetation cover during the study period (i.e., 1982–2021). (3) Vegetation cover of the YRB is affected by the combined effects of climate change and human activities, with human activities being more significant in the observed amelioration of vegetation cover.
Freshwater Fisheries of Cambodia, I: The Bagnet (Dai) Fishery in the Tonle Sap River
Authors: LIENG S.
Published: October 2022

The bagnet or dai fisheries are seasonally operated in the Tonle Sap River and contribute significantly to the freshwater capture fisheries production of Cambodia. The fisheries exploit largely the current years' crop of small fish species migrating out of flooded areas around the Great Lake and Tonle Sap River to the Mekong River. Migration is strongly influenced by the lunar phase. No reliable data on catches and species are available. A special sampling program de­signed using data collected during part of the last season is presented here.
Application of the PAKEM learning model to improve student learning outcomes in mathematics
Authors: Samura Asri Ode , Juandi Dadang
Published: October 2022

This study examines the improvement of student learning outcomes using the Active, Creative, Effective, and Fun learning model. The application of the Active, Creative, Effective, and Fun learning model is closely related to other learning models. Active, Creative, Effective, and Fun learning models are helpful and can create meaningful learning. The research method used is classroom action research (CAR). This CAR research was conducted in two cycles. The research sample amounted to 22 people who were not taken at random. The data was obtained by using tests, namely the initial test, the first cycle test, and the second cycle test. They are calculating student completeness using the formula for individual mastery and classical wholeness and calculating the increase in learning outcomes using the N-Gain Normalized formula. Applying the Active, Creative, Effective, and Fun learning model can improve student learning outcomes in mathematics subjects as the subject of probability theory.
Responsible investing as an economic institute
Authors: Ovechkin D. V.
Published: October 2022

Responsible investment is a trend in the development of the world economy. Russia’s lagging behind the trend can lead to negative effects on the economy. The article examines the formation of responsible investment as an economic institution. An institutional-evolutionary approach based on the principles of variability, selection and heredity of conditions, rules, norms and restrictions of economic activity is applied. It is shown that the institutionalization of responsible investment can be the result of not only external influence on economic agents, but also the result of their independent activity. In this regard, the regulator should pay attention to the problem of information asymmetry, which prevents the spread of responsible investment in the activities of economic agents and its subsequent institutionalization.
Directions for improving methodological recommendations for the elaboration of strategies for socio-economic development of municipalities of the Russian Federation
Authors: Zhdan G. V. , Sumskaya T. V.
Published: October 2022

The article analyzes the current methodological recommendations for the development of strategies for the socio-economic development of municipalities in the Russian Federation, and suggests ways to improve the methodological recommendations. The conditionality of the scenario conditions of development by the conducted strategic analysis of external and internal factors of development is shown. The relationship is reflected on the example of scenario conditions for the development of the municipality – the city of Berdsk, Novosibirsk Region. It is shown that the use of models for forecasting calculations ensures the balance of the forecast values of the main indicators of the development of the municipality. It is noted that the forecast of cost indicators is rarely correct due to the poor predictability of inflationary processes. Structural indicators are more stable. It is these indicators that should be recommended as the main ones for the strategies of socio-economic development of territories.
Evaluation and analysis of investment projects in the field of agricultural technology
Authors: Telminova N. V.
Published: October 2022

Agrosector companies use investment projects on implementation and realization of technological innovative solutions – agrotech projects – to increase business competitiveness. Agrotech projects demonstrated high growth rates and higher demand in the venture capital market in 2019–2021. The aim of the study was the analysis of theoretical and practical aspects of assessment of competitiveness of the projects in the agrotech field and the development of the modified method of assessment of their competitiveness. The following tasks of the study were set on the basis of the target goal: identification of agrotech project, marking out the types of agrotech projects and venture funds interested in their assessment, as well as in the development of the modified method of assessment of their effectiveness. The review of the projects in the agrotech field was done; the types and funds of agrotech projects specialized in their realization were marked out. The agrotech market trends, which stipulated the necessity for adaptation of the methods of analysis and assessment regarding the mentioned objects, were shown. The definition of the agrotech project was formulated; the main types of agrotech projects were systemized with the analysis of their subtypes, and the technologies, serving as the main types of agrotech projects, were presented. The following levels of assessment of agrotech project potential were offered: innovativeness, commercial and investment attractiveness. The method of assessment of investment attractiveness of agrotech project, introduced in the article, was developed using modification of the assessment of economic efficiency of agrotech project. Generalized and two-phase models of calculation of the indicators of net present value and profitability index of agrotech projects were offered.
Valuation allowance on deferred tax assets: practice of registration and application
Authors: Aksentiev A. A.
Published: October 2022

The article analyzes international and Russian experience in the accounting of valuation allowances for deferred tax assets. The methodological aspects of the impairment procedure for deductible differences are specified, the criteria for assessing the adequacy of taxable income are summarized. The directions of the use of valuation allowance for the purposes of manipulating the financial result are disclosed. Primary and secondary distribution of tax effects, including in accordance with the concepts of their accounting, was characterized. Unresolved debatable problems of deferred tax accounting are characterized.
Market equilibrium in interregional trade models under monopolistic competition
Authors: Bykadorov I. A. , Ismaiylova Yu. N. , Pudova M. V.
Published: October 2022

We study a homogeneous model of interregional trade under monopolistic competition of producers with additively separable utility and linear production costs. The mass of firms (“the length of the product line”) is determined endogenously, from conditions of free entry. We obtain the local comparative statics of the market equilibrium with respect to transport costs of “iceberg types”. Particular attention is paid to situations of free trade and autarky. We establish the following counter-intuitive result: under high transport costs, trade liberalization can decrease public welfare.
Função respiratória em indivíduos com e sem doença de Parkinson
Authors: Guerreiro Caroline , Warken Rosa Camelier Fernanda , Reis dos Santos Marilucia , Melo Ailton , Nóbrega Ana Caline
Published: October 2022

Introdução. As complicações respiratórias nos indivíduos com a doença de Parkinson são a principal causa de internamento hospitalar e das altas taxas de mortalidade. Objetivo. Avaliar a função respiratória em indivíduos com e sem doença de Parkinson (DP). Método. Trata-se de um estudo observacional, de delineamento transversal, com amostra de conveniência composta por indivíduos com e sem DP, em Salvador, Bahia. Foram coletados dados primários, secundários e o estadiamento da doença foi classificado segundo a Escala de Estágios de Incapacidade de Hoehn e Yahr Modificada. A função respiratória foi avaliada por meio de exames de cirtometria, manovacuometria, espirometria e peak flow. Resultados. Foram avaliados 66 voluntários, 33 com diagnóstico de DP e 33 sem DP, majoritariamente homens (81,8%) e com média de idade 62,1±8,07 anos. A PImáx do grupo Parkinson: 49,6±23,0 cmH2O; grupo não Parkinson: 124,4±56,5 cmH2O (p<0,001); e a PEmáx do grupo Parkinson: 67,8±29,7 cmH2O; grupo não Parkinson: 114,2±37,3 cmH2O (p<0,001). VEF1 absoluto (p=0,047) e previsto (p=0,006), PFE absoluto (p<0,001) e previsto (p=0,001) e VEF1/CVF (p=0,009) apresentaram valores mais baixos no grupo com Parkinson quando comparado ao grupo não Parkinson. A cirtometria apresentou valores abaixo dos descritos para normalidade em ambos os grupos, entretanto, a mobilidade axilar foi ainda menor no grupo Parkinson (p=0,005). Conclusão. A mobilidade axilar, a força muscular respiratória e os volumes e fluxos pulmonares estão reduzidos em indivíduos com DP, quando comparados a outros, pareados por idade e sexo, sem a doença.
Teknologi Tepat Guna Untuk Meningkatkan Kapasitas Produksi serta Kesehatan Lingkungan Di UKM Jamur Raya
Authors: Purwanto Yuli , Sukmawati Paramita Dwi , Kumalasanti Rosalia Arum
Published: October 2022

In the village of Gesikan, Subdistrict of gantiwarno, Regency of Klaten, there is a home industry in the form of mushroom cultivation. Mushroom SME in Gesikan Village was established 9 years ago and is still capable of meeting the needs of the food industry. Jamur Raya SME has several types of mushrooms that are cultivated such as oyster mushrooms, straw mushrooms, ear mushrooms, Lingzhi mushrooms and so on. Jamur Raya SMEs carry out production starting from nurseries to ready for planting. The results of these mushroom seeds are usually sold to farmers up to 1000 mushroom seeds every month. A portion of the seedling will be planted on its own and then sold according to customer needs. Mushroom Raya SMEs have a fairly high potential in production in the food industry, but there are also obstacles that are felt by these SME producers.Some of these obstacles are the lack of ability of Mushroom Raya SME to meet consumer needs caused by the limitations of production tools that are still simple/manual. The filling of planting media in the form of baglog and mixing of planting media is still done manually, so it takes a lot of time and energy to process it. In addition, there are environmental constraints, namely in the form of former planting media waste that accumulates, resulting in an unhealthy environment. Another perceived obstacle is from the marketing side which is still conventional or offline. Of course, this also needs to be supported by qualified human resources. Appropriate technology in the form of baglog filling equipment, planting media mixer & straw chopper is expected to be a solution to accelerate mushroom production in meeting consumer needs. Baglog waste treatment in improving environmental quality is also expected to provide solutions to maintain environmental health & cleanliness by using brisket maker and composter. Mushroom Raya SMEs are also expected to survive in the dynamics of the global market so that online marketing is an option to maintain this food industry. Marketing using website media is expected to be able to provide wider information in all circles of society.
Pemanfaatan Eco Enzyme Sebagai Pupuk Cair Di KWT Sekar Melati
Authors: Titiaryanti Ni Made , Hastuti Pauliz Budi , Mardhatilah Dina
Published: October 2022

The yard of the house can provide benefits for family life if it is managed properly, can be planted with various vegetables and family medicinal plants (aloe vera) and can be an important part in supporting food security. Household waste in the form of vegetable residues, fruit peels that have been considered waste can be converted into multipurpose eco-enzyme fluids. The purpose of the community service activity is to train and set an example for the Women Farmers Group (WFG)Sekar Melati in Sanggrahan, Plumbon, Banguntapan, Bantul, Yogyakarta, to make eco-enzymes from vegetable waste and fruit peels including aloe vera skin as liquid organic fertilizer for vegetable crops and as a disinfectant. Problems faced include WFG not knowing how to manufacture and benefiting from eco-enzyme (EE) from fruit peel waste and vegetable residue. The yard land has not been optimally utilized, does not know the correct plant cultivation techniques in polybags, especially the manufacture of planting media and plant maintenance. To find solutions to these problems, counseling and training on EE manufacturing technology were carried out. Transfer of technology for the cultivation of organic vegetables and family medicinal plants (aloe vera). The results of the WFG activities that have been carried out are that the partner group Sekar Melati is very enthusiastic in participating in all the community service activities provided. WFG Sekar Melati has been able to make eco enzyme, apply eco enzyme as liquid organic fertilizer and disinfectant. WFG Sekar Melati already knows how to make the right planting media for planting vegetable seeds and aloe vera for use in the yard.
Pelatihan Tes Penalaran Logika untuk Para Guru SMA Wangon Banyumas
Authors: Noeryanti
Published: October 2022

The Academic Potential Test (APT) is one of the requirements for honoraryteachers at Wangon 1 Senior High School (SMAN) to become permanent teachers, thereforethe leadership collaborates with the Statistics Department to conduct PKM to provide theAPT training. This program aims to provide refreshment to honorary teachers inpreparation for the Academy Potential Test (APT). The material was given under the titleScholastic Potential Test (SPT) Logical Reasoning Training for Teachers at Senior HighSchool (SMAN) 1 Wangon Rancabanteng, klapagading, Banyumas, Central Java. Theimplementation of this training is in the form of sifting the practice questions given. Afterthe training, the content of satisfaction and suitability of the material was given to the needsof the participants. Most of the results of the training content are in accordance with theneeds of the APT material. Participants hope that this training can be carried outcontinuously until they pass the APT exam. The time allotted for the implementation of thetraining is less, participants hope that in the future the time allocation will be carried outonce a week in a month so that there will be more discussion of practice questions.
Penerapan Teknologi Pengelolaan Modal Kerja Sebagai Upaya Meningkatkan Pendapatan Toko Bahan Bangunan Di Bantul
Authors: Linawati  , Sutrischastini Ary , Sofiati
Published: October 2022

The existence of a building shop in an area has an important role in serving and meeting theneeds of the local community for building houses, renovating, and other building activities.Likewise, building shops in Bantul Regency have a no different role. The problem is inmanaging the building shop business, most of the financial reports, especially workingcapital, have not been managed properly considering that this business is generally ahereditary business, so that its management is done traditionally and manually. The purposethis article is to report the results of Community Service through increasing self-capacity bypresenting the Building Shop Working Capital Management Training in Bantul Regency. Torepresent building shops in the Bantul Regency area, this research used 2 building shops assamples. There are three stages of the training method used, (1) providing material, (2)practice and mentoring, and (3) monitoring and evaluation. The target and outcome to beachieved from this program is to produce entrepreneurs and company managers who haveknowledge and understanding of financial management, especially working capitalmanagement, so that they can make financial administration and financial documentsproperly which in turn can increase income optimally.
Penerapan Teknologi Untuk Pengawasan Anak Dalam Mrnggunakan Gadget Pada Komunitas Orangtua Di Dusun Putat, Kecamatan Patuk, Gunungkidul
Authors: Khasanah Rahayu , Mawadati Argaditia , Sulistyaningsih Eka , Ardiansyah Firdaus , Sejati Tomy Farhan
Published: October 2022

Nowadays, because of the high technology lifestyle, the gadget is not only used byadults but also children. Continuous use of gadgets for social media, playing games orwatching entertainment for children can have a negative impact, but many parents still donot understand this and let their children play gadgets without supervision. Based on thesurvey in Putat village, Patuk, Gunungkidul, the community service program was carried outto educate parents how to be wise parents in the digital era by introducing the digital nativeworld to parents, as well as educating them to be able to prepare children to face the rapiddevelopment of technology in an effort to build a physically and mentally healthy family.These new skills are in the form of how to communicate with children regarding gadgets,how to make agreements with children and how to protect children's gadgets using thetechnology application in each person’s gadget. The program activities had run smoothlyand with direct practice includes in the activities, it can further motivate the community todirectly apply the shared knowledge. The questionnaire result shows that the communityagree that this program provided provisions to the community in the form of thinking skillsor other skills, and the application/implementation of community service in communitylearning efforts has been able to increase the people's reasoning ability.
Pembekalan Teknologi Informasi Untuk Menyongsong Era Industri 4.0 Pada Siswa SMK Muhammadiyah Piyungan
Authors: Sudarmana Landung , Rahmawati Titik , Priyanto Agung
Published: October 2022

Indonesia is facing the Industrial Revolution 4.0, an era where technologicaldevelopments are applied to various aspects, including manufacturing with artificialintelligence (AI) support which is also supported by internet of things (IoT) technology,human-machine interfaces, robotic and sensor technology, and three-dimensional (3D)printing technology that supports the industry. Changes in the world of work that areinfluenced by the Industrial Revolution 4.0 are challenges for Vocational High School(SMK) graduates. This is because many fields of work that have been filled with human laborhave been replaced by technology, machines, robots, or artificial intelligence. As a result,many graduates who should be able to work immediately are threatened to be unemployed.Efforts to be able to compete in the Industrial Revolution, educational institutions playan important role. They must be able to equip their students the abilities to keep up withchanges that occur quickly. As an anticipation, SMK Muhammadiyah Piyungan held abriefing activity with a face-to-face lecture methodology so that there was an interactivebetween students and the presenters.The results of this community service are expected to provide provisions for studentsto become competent and ready to work in that era. For institutions, the results are expectedto provide inputs, in the form of overviews, to the curriculum makers in accordance with theIndustrial Revolution era