bluuebunny/crossref_metadata_2025_split huggingface dataset:
Bio-inspired evaporation from shaped interfaces: an experimental study
Authors: Rupp Ariana I K S , Gruber Petra 
Published: February 2021

Abstract
Evaporative interfaces help process heat and substances in a variety of technical realms, from electronic to architectural applications. Because geometry affects the hydraulics, thermal properties and aerodynamics of evaporative devices, their performance can be tuned through design. While non-smooth interfaces are widely exploited to enhance transfer passively, surface area extension in packed volumes is a predominant line of research. This leaves aerodynamic structure-transfer relations and the impact of geometry itself unclear. Meanwhile, protrusions in leaves such as lobes and toothed margins have been associated with enhanced vapor dissipation. This experimental study explores the design space of leaf-inspired structures with evaporating protrusions. Three sets of water-absorbing models with fixed evaporating surface area and unlimited hydraulic supply were tested: (1) paper strips with dimension-equivalent protrusions of varied shape and degree of elongation; (2) cellulose sponges with the same designs as their cross-sectional profile, extruded three-dimensionally; (3) ceramic tiles with grooves of varied cross-section, conceived as building elements for evaporative cooling. Overall, results demonstrate that protrusions affect mass transfer rate and surface temperatures and can be integrated in the design of evaporative exchangers with non-smooth geometries. For the paper models, evaporation rate correlated with protrusion aspect ratio, supporting a functional interpretation of leaf design and its utilization in low-wind plate-fin exchangers. However, the same transfer enhancement was not regained from simply extruding an effective design into three-dimensions. For the ceramic tiles, geometry-driven differences in evaporation depended on the aerodynamic roughness and size of the grooved pattern, and on ventilation. Their outdoor thermal behavior was complex due to a multifaceted interaction with the environment and geometry-related factors such as self-shading and thermal mass. Ultimately, this design effort illustrates the potential of structured interfaces for evaporative exchange and thermoregulating the built environment.
Effects of the constructed wetland on dissolved organic matter properties in the drainage channel of domestic sewage treatment plant in winter
Authors: Yu Hanxia , Luo Xiao , Ma Lina , Tan Wenbing 
Published: February 2021

Abstract
As a low investment and low energy consumption wastewater treatment technology, the constructed wetland has been gradually accepted by the world. However, there is still a lack of systematic assessment on the impact of the constructed wetland on dissolved organic matter (DOM) properties in the drainage channel of domestic sewage treatment plant in winter. In this study, 3D excitation-emission matrix fluorescence spectroscopy and ultraviolet spectroscopy were combined to reveal the evolution process of DOM properties in the constructed wetland in winter. The results showed that DOC contributed more than 55% of COD in the drainage channels of Shijiazhuang domestic sewage treatment plant in winter, but the COD was significantly decreased after treated by the constructed wetland, which was mainly caused by the more extensive degradation of elements N, H, S and P in DOM. In addition, water DOM in the constructed wetland in winter was mainly contributed by microorganisms, and humus-like components in water DOM were more easily degraded than protein-like components. And humus-like components gradually transformed into protein-like components in the degradation process, and fulvic-like and humic-like components had the same decomposition fate in the constructed wetland in winter.
An Integrated Device for Online Monitoring Water Quality
Authors: Zhang Jinghe , Zhuang Luchen , Zhou Guoyong , Zhu Yaohui , Zhang Yuechao 
Published: February 2021

Abstract
For a long time, worsening water pollution has always been an important threat to the safety of water sources in most cities at home and abroad. Statistics show that in recent years, sudden pollution accidents caused by oil spills and toxic chemical leakage have occurred frequently all over the world, causing serious environmental pollution and huge ecological losses. Therefore, there is an urgent need to improve the water quality monitoring of water sources and the early warning and forecasting capabilities of sudden environmental pollution. The urban inland river water quality monitoring system is an application demonstration developed by using Internet of Things technology for urban inland river water quality monitoring and water source security. In this article, we build a real-time monitoring network for inland river water quality monitoring to effectively solve the existing offline water quality monitoring workload and timeliness. Poor performance, water pollution warning and emergency response are slow to ensure the water quality and environmental safety of urban inland rivers.
Evaluation of optimization effect of distribution network frame with distributed power generation: Based on structural equation model
Authors: Chen Zhiyong , Wang Ying , Zhu Tiantong , Wang Liang , Shi Litao 
Published: February 2021

Abstract
With the development of renewable energy, the integration of a large number of distributed power sources is an inevitable trend in the development of future power systems. In this paper, a comprehensive evaluation model is constructed based on structural equations to evaluate the optimization effect of the distribution network with distributed power sources.
Parallel Design of Apriori Algorithm Based on the Method of “Determine Infrequent Items & Remove Infrequent Itemsets”
Authors: Dongnan Suo , Zhaopeng Zhang 
Published: February 2021

Abstract
In the method of fault association rule diagnosis, Apriori algorithm has low efficiency for big data processing. In this paper, aiming at the defects of Apriori algorithm, MapReduce computing framework is used to optimize the Apriori association rule algorithm. This method improves the accuracy of association mining in fault diagnosis. In the process of optimization, this paper proposes the method of “Determine Infrequent Items & Remove Infrequent Itemsets”. Through experiments, this method effectively reduces the computational space needed by Apriori algorithm in association rule mining, and improves the computing speed.
Research and application of gas overrun prevention technology by hydraulic reaming
Authors: Tang Qiang 
Published: February 2021

Abstract
In order to solve the problem of gas overrun in hydraulic reaming of coal mine, this research has been put forward. Field tests show that, the overrun gas with hydraulic reaming mainly comes from the large amount of gas release caused by the occurrence change, and the sudden release of gas gathered due to the blockage of the drilling, etc. By adjusting the air supply of the area, improving the construction technology, controlling the slag rate, and adopting the blowout preventer, the gas overrun with hydraulic reaming can be effectively controlled.
Analysis of the acoustic scattering properties of underwater objects coated with viscoelastic damping layer
Authors: Zhiyin Tang , Jijian Zhang , Hailong Zou , Huijie Shen , Xiang Li 
Published: February 2021

Abstract
The acoustic software of Actran was used to calculate the sound scattering characteristics of the underwater spherical shell. The accuracy of the numerical calculation was verified by comparing with the theoretical values. Furthermore, a damping layer of viscoelastic material was coated outside the spherical shell, and the sound scattering characteristics of the shell after the damping layer was calculated and analyzed. The calculation results show that the intensity of acoustic target is reduced to a certain extent in most of the analysis frequency bands after the viscoelastic damping layer is laid, especially in the low frequency band has been greatly attenuated. At low frequencies, the distribution of scattered sound pressure field of a spherical shell with a viscoelastic damping layer is much more regular than that of an elastic shell sphere. The interference level of the sound field in front and in back of the spherical target is obviously less than that of the elastic light shell. Study has shown that laying a viscoelastic damping layer helps to reduce the sound scattering intensity of underwater targets to a certain extent and improves the invisibility of underwater targets.
FE analysis of the shaft lock chamber in Mengdigou Hydropower Project considering construction and service cases
Authors: Huanhuan LI , Jianwei HUI , Shaojun FU , Shufa WANG , Gang LI 
Published: February 2021

Abstract
The geological conditions of the diversion tunnel of Mengdigou hydropower station are very complex. Faults, joint fissures and groundwater are developed, and the underground chambers in the entrance end of the diversion tunnel are large scale, and the mechanical deformation induced by excavation and unloading is complicated. In order to investigate the stress and deformation in the shaft chamber surrounding rock during the period of construction and running, numerical simulation method was adopted to simulate construction process, discharging, water impoundment and power generation cases. The following conclusions are obtained: 1) during construction, the surrounding rock around the transition section of shaft lock chamber is stable; 2) during the period of discharging, water storage and power generation, the tensile stress in the inner part of the joint of gate slot, side wall and bottom plate exceeds the tensile strength of lining concrete. It is suggested to strengthen the reinforcement in these zones, and the concrete compressive stress in the compression area does not exceed the compressive strength. The results from this research could be taken as the reference for the design and construction of the project.
The Analysis of Toilet Use Efficiency in Expressway Service Area Based on Anylogic
Authors: Li Xufeng , Xu Jinliang , Gao Sunjian 
Published: February 2021

Abstract
As the facility with the highest utilization rate in the expressway service area, the toilet has the greatest influence on the crowd gathering degree in the expressway service area. In order to study the scale and location of toilets in the Meicun service area, this paper conducts a field survey on the service area of Meicun by means of video recording and crowd tracking questionnaire survey. Through the investigation, the key data such as the probability of customers using toilet and toilet turnover rate were obtained. Based on this, the flow model of the crowd in the high-speed service area is established by using the simulation software of Anylogic. In the simulation, the scale and location of the toilet facilities in the high-speed service area are analyzed and evaluated according to the number of people using the toilet at the same time. The results show the influence of different toilet layout on the efficiency of toilet use and the degree of crowd gathering, and prove that double toilets are more efficient than single toilets, disperse the flow of people, reduce the degree of crowd gathering and avoid crowd crowding.
Functional milk-containing products
Authors: Smolskiy G M , Kliuchnikova D V , Dolmatova O I 
Published: February 2021

Abstract
Many developments are currently underway to create products that not only support human life, but also are safe and ensure maximum usefulness. The studies on use of protective cultures “GoldenLineProfiline PC 27.50” and wheat dietary fiber NUTRIOSA FB 06 in the technology of milk-containing products were conducted at the department of technology of food of animal origin of the Federal State Budget Educational Institution of Higher Education “Voronezh State University of Engineering Technologies” (FSBEI HE “VSUET”). Protective cultures are antagonistic microorganisms that inhibit the growth of pathogenic and other undesirable microflora without affecting the organoleptic properties and quality of the product. The use of protective cultures in the technology of milk-containing products of sour cream type allows one to increase storage stability by 30%. According to medical and biological knowledge, the value of dietary fiber (DF) in human nutrition is inestimable. It binds and excretes cholesterol, bile acids, radionuclides and other harmful substances from the body, thereby preventing “diseases of civilization”–obesity, atherosclerosis, pancreatic diabetes, etc. Introduction of soluble dietary fiber into the formula of a milk-containing fermented milk product produced according to yogurt technology allows one to increase the shelf life and increase the functionality of the product.
Effect of dihydroquercetin on the stability of the properties of rendered fats
Authors: Shagaeva N N , Zachesova I A , Kolobov S V , Evdokimova O V 
Published: February 2021

Abstract
To reduce the negative effects of the oxidative effects of oxygen during fat storage, the use of antioxidants is provided, but currently the synthetic ones are mainly used, and some of them can have a toxic effect on the human body if proper concentration is not maintained. The article presents data on the effect of an antioxidant of natural origin - dihydroquercetin–on the stability of the properties of rendered fats during storage. As the material for the study, we used rendered elk fat and beef fat with dihydroquercetin (control) and without dihydroquercetin (experiment). Dihydroquercetin was administered in a 1% alcohol solution in the amount of 0.01%, 0.03%, 0.05%, 0.07% and 0.09% of the mass of raw materials. In the process of work, the generally accepted methods of studying the development of oxidative spoilage were used by determining the acid, peroxide and thiobarbituric numbers. The conducted research led to the conclusion that the inhibitory property of dihydroquercetin is directly dependent on its concentration, the higher its proportion in the product, the lower the indicators of oxidative spoilage. Depending on the type of fat, this additive in the amount of 0.01% allowed to prolong the shelf life of the product by a factor of 1.7 to 3.7 on average.
Adaptation of the neural network to the study of electrical characteristics of dispersed materials in sorption processes
Authors: Kalashnikov G V , Makeev S V , Bunin E S 
Published: February 2021

Abstract
Modern technological processes cannot exist without optimizing their parameters. The current direction remains their improvement and identification of such regimes, in which without losing the quality of finished products there is a reduction of energy expenditures and resource saving. Since some processes have a complex structure, and several parameters have to be varied to optimize them, it is advisable to use mathematical devices and models at the primary stage. The subject matter of artificial neural networks refers to the interdisciplinary field of knowledge related to biocibernetics, electronics, applied mathematics, statistics and automation. Artificial neural networks are versatile for developing new technological solutions and analyzing the detected data with the most effective result. The conclusions obtained from the experiments make it possible to understand how the main parameters of sorption processes affect its intensity, as well as to determine the intervals of change of input factors for statistical analysis. All this makes it possible to ensure stability of technological parameters during all experiments and high reproducibility of experiments. This technology is gaining popularity at present due to the growth of computing capabilities and modernization of equipment. Therefore, the direction of research and improvement of all technological parameters and modes is relevant.
Photocatalytic treatment of water contaminated by organic dye with ETS-10 titanium silicate
Authors: Cantiello A , Candamano S , De Luca P 
Published: February 2021

Abstract
In this research, ETS-10 titanium silicate (Engelhard titanium silicate) was studied for the treatment of water contaminated by the organic dye called Blu Patent V, which is commonly used in the textile industries. In addition to being a microporous material, the ETS-10 phase also has photocatalytic capacities. In particular, predetermined quantities of ETS-10 have been added to the Blu Patent V solutions and the entire system has been exposed, for programmed times, to sunlight. Systems also in the presence of hydrogen peroxide were used. The resulting solutions were analyzed with UV spectrophotometry to evaluate the reduction of the dye. ETS-10, after treatment, was analyzed by thermogravimetric analysis (TG).
Complex formation of copper(II), nickel(II) and γ-L-glutamyl-L-cysteinyl-glycine (GSH)
Authors: Anna Napoli 
Published: February 2021

Abstract
The formation of Cu(II) and Ni(II) complexes of GSH in conditions of 2-fold GSH excess over Ni(II) was studied by MALDI MS and MS/MS. The instrumental data demonstrated that S and N of GSH are involved in the coordination metal spheres, while COOH did not participate to complexation. NiL2 is a square-planar Ni(II) specie able to form one electron redox couple with Ni-(III) complex. It was found to dimerize rapidly via disulphide bond formation in the presence of air.
A novel visual inspection system for rail surface spalling detection
Authors: Pham Dieuthuy , Ha Minhtuan , Xiao Changyan 
Published: February 2021

Abstract
Railway transportation plays an important role in economic development since it can transport large volumes of passengers and cargo through great distances. Therefore, monitoring the condition of the railroad is essential to ensure train safety. With the development of computer vision, the railway non-destructive inspection systems have become possible. However, these methods have been still challenged by so many obstacles from ambient light on the rail surface and defects themselves. Defects appear on the rail surface are variety, in which spalling type is usually in heterogeneous shape and size. In this paper, a visual inspection system for rail surface spalling detection is proposed. The track image is first segmented by a novel rail track extractor. Then the rail surface spalling can be coarsely detected based on histogram curves in the longitudinal direction of the track image. Finally, a fusion technique is performed to eliminate all the false detected defects in the resulting image. Experimental results demonstrate that the proposed method achieves the precision and recall of 97.48% and 95.74%, respectively, and shows good robustness under nonuniform illumination and various rail surface conditions.
Numerical analysis of biaxial elasto-plastic buckling of perforated rectangular steel plates applying the Constructal Design method
Authors: da Silveira T , Neufeld J P S , Rocha L A O , dos Santos E D , Isoldi L A 
Published: February 2021

Abstract
Thin plates are constantly used in many applications of the structural designs, like naval, aerospace, civil and offshore platforms. When the supported loading is compressive along the plane of plate, it can suffer with an instability phenomenon called buckling which can be elastic or elasto-plastic. In addition, many times the plated structures need to be designed with cutouts for the most varied reasons: access, maintenance, crossing pipes and reducing of weight, for example. The presence of holes affects the mechanical behavior of the plate and it must be investigated. This work used Finite Element Method associated to Constructal Design method and Exhaustive Search technique to find the optimal geometries, i.e. the ones that maximize the Normalized Ultimate Stress, for simply-supported rectangular steel plates under biaxial compressive loading. It was analyzed the size and geometry of the centered elliptical hole. It was observed that the presence of cutout reduces the mechanical strength of the plate and also, the same occurs when the hole size is increased. Constructal Design method has been proved as an effective method to analyze buckling problems conducting to the best geometry for each studied case. For the simulated cases it is evident the relevance of geometric evaluation of elliptical perforations, once the simply variation of geometry can provide differences until around 42% when comparing the optimum and the worst geometries, for the same hole size.
Seismic Response of an Educational Building under Moving Mass Due to Earthquake Evacuation
Authors: Bueno C , Arroyo F , Arana V 
Published: February 2021

Abstract
Evacuating the occupants of a building during a seismic event influences their structural response. This phenomenon has been evaluated on bridges, continuous beams and platforms, which show significant changes in the performance of the structures. This research evaluates different cases applied to a building, where it seeks to identify the range of influence on structural performance and parameters that can be used in structure design methodologies. The main results of the structure analysis are: 1) the variation of the mass of the occupants, and 2) the variation of the structural response (base shear, periods and maximum drifts) for each case presented.
Concrete Cracking Control in Underwater Marine Structures using Basalt Fiber
Authors: Quispe C , Lino D , Rodríguez J , Hinostroza A 
Published: February 2021

Abstract
The construction of coastal ports requires the use of materials that meet the demands of the marine environment, to prevent underwater concrete structures from cracking and spalling easily; basalt fiber is used to delay the expansion of concrete and prevent the formation of cracks. This research studies the behavior of concrete for prefabricated piles with Portland Cement Type I and basalt fibers added in 0.1%, 0.3% and 0.6%; the results indicate that the fiber is suitable for concrete, the slump decreases, the compressive strength increases for specimens cured in tap water and sea water, the relationship between resistances does not vary, and the depth of carbonation decreases.
Point-of-care naloxone distribution in the emergency department: A pilot study
Authors: Moore P Quincy , Cheema Navneet , Celmins Laura E , Patel Alisha , Follman Sarah , Soni Hailey , Szwak Jennifer Austin , Pho Mai T , Carter Keme , Arora Vineet M 
Published: February 2021

Abstract

Purpose
Opioid overdose education and naloxone distribution (OEND) for use by laypersons has been shown to be safe and effective, but implementation in the emergency department (ED) setting is challenging. Recent literature has shown a discouragingly low rate of obtainment of naloxone that is prescribed in the ED setting. We conducted a study to evaluate the feasibility of point-of-care (POC) distribution of naloxone in an ED, hypothesizing a rate of obtainment higher than prescription fill rates reported in previous studies.

Summary
A multidisciplinary team of experts, including pharmacists, physicians, nurses, and case management professionals used an iterative process to develop a protocol for POC OEND in the ED. The protocol includes 5 steps: (1) patient screening, (2) order placement in the electronic health record (EHR), (3) a patient training video, (4) dispensing of naloxone kit, and (5) written discharge instructions. The naloxone kits were assembled, labeled to meet requirements for a prescription, and stored in an automated dispensing cabinet. Two pharmacists, 30 attending physicians, 65 resident physicians, and 108 nurses were trained. In 8 months, 134 orders for take-home naloxone were entered and 117 naloxone kits were dispensed, resulting in an obtainment rate of 87.3%. The indication for take-home naloxone kit was heroin use for 61 patients (92.4%).

Conclusion
POC naloxone distribution is feasible and yielded a rate of obtainment significantly higher than previous studies in which naloxone was prescribed. POC distribution can be replicated at other hospitals with low rates of obtainment.