Advances in Engineering Research

The predict communication situation in 2015 is obtained based on the normal distribution of the market share percentage of each kind of information transmission mode. The prediction result is compared with the reality in 2015 then. The comparison result shows that our model have great reliability since...

A kind of nonwoven containing ferulic acid is prepared by electrospinning method. It was observed that the diameter of the fiber was about 200 nm by SEM. The antibacterial activities against Escherichia coli and S. aureus were also investigated. The result showed the nonwoven prepared was effective against...

The theory calculation of power supply for distribution network often based on grid structure in planning stage. The period of reliability evaluation indexes are mostly one year. The impact of different load levels and periods are rarely considered. Power supply reliability analysis and calculate online...

In this paper, aiming at the problem of fermentation northern winter weather is not conducive to the biogas system, we have designed a set of Solar energy and industrial waste heat boiler flue gas complex warming systems to ensure that biogas systems in the winter can also be normal fermentation. This...

Firstly we build a set of models to describe the temperature of the bathtub water in time. In this section, we analyze the variation process of water temperature under the condition of Natural cooling and injecting hot water respectively through a macro perspective. The Newton’s cooling law and the energy...

Well spacing is a critical factor to figure out when planning to drill new wells in low permeability reservoirs. In this paper, horizontal multistage fractured well spacing is optimized for several scenarios in H reservoir using PEBI grips. To find the optimum well spacing, sensitivity analyses are carried...

Iron–doped lanthanum stannate (Fe–La2Sn2O7, simplified as Fe–La) was prepared firstly and used as a synergistic agent of the intumescent flame retardant (IFR, the mixture of ammonium polyphosphate (APP) and pentaerythritol (PER) with mass ratio of 2:1) for polyphosphate (PP). The limiting oxygen...

Sunshine one of the most severe factors makes great effects on the mass concrete construction, especially on larger reinforced concert silo. In order to calculate the temperature distribution of the reinforced concrete silo subjected to the solar radiation, an easy-to-use tool is required for a transient...

With the development of national economy, China’s needs for electricity are growing and the requirements on quality is also becoming stricter on the power system security, stability and economic operation. Diagnosis of the state of equipment is mainly based on statistical analysis of large amounts of...

Fungal phytopathogens are responsible for significant losses in agriculture worldwide. Diagnosis of seed infestation by fungal strains causing plant diseases or producing toxins is important for sustainable agriculture. Since plants are always colonized by fungal strains there is a demand in approaches...

The best is to read these instructions and follow the outline of this text. Recently, convolutional deep neural network (ConvNet) has been widely used in the field of image classification. In this work, we propose a new feedback free convolution network for image classification. The proposed network...

Degradation of plastics forms micro plastics (MPs), which are one of the major water pollutants, offers substantial threat to ecology and health. Metal organic frameworks (MOF) have been considered as an emerging technology for waste water treatment (WWT), i.e., MPs because of adjustable and regular...

An algorithm based on the primary star, called the two-step matching algorithm, is proposed. The recognition characteristic of this algorithm consists of angular distances between the primary star and its neighboring stars, and the directions of neighbor stars. This algorithm uses star map information...

The urgency of demanding for large data in power industry will greatly exceed that of in other basic energy industries in the future. Through analyzing the power equipment condition monitoring data, we can assess more accurately the operating condition of power equipment, predict the life span of the...

The intrinsic kinetics and mechanism of direct dehydrogenation of isobutane were studied over K-Cu-Cr/Al2O3 catalyst. The experiments had been carried out in a fixed-bed reactor with eliminating the influence of both internal and external diffusion at 470-510 oC and space velocity of 2500-4000 h-1 under...

This paper mainly studies the effected of fuel injection time on combustion and emissions of the four kinds of different proportions of N-butanol alcohol and diesel fuel mixed without changing the injection duration and mass under the software of FIRE. It provides the theory basis for the further development...

Paper deals with investigation of induction electrical machines winding based on matrix description. The possibility to use such method for creation of new winding structures and properties prediction at the designing stage are discussed. The software implementing the approach suggested is also presented....

Highly efficient Li4SiO4-based sorbents for CO2 capture at high temperature, were developed using waste rice husk ash (RHA). Two different RHAS resulted from different calcination temperature as raw materials for preparing the Li4SiO4-based sorbents. These raw ashes and their resulting Li4SiO4-based...

Stretchable interconnects are essential structures in stretchable electronics. Typically, these structures are formed by metal conductors of different shapes on top of or encapsulated within a rubber material. Interfacial delamination during elongation is one of the major failures affecting the elasticity...

The researchers think more about the control factors except themselves, and ignore their own psychological factors in the aspect of water-saving. From the perspective of psychology, the paper discusses the Chinese college students about the group psychological factors, the popular psychological factors,...

The corrosion behavior of rebar HPB235 in 1.5 wt.% NaCl solution was studied, and the mechanical properties before and after corrosion were tested. The results showed that, with the increase of corrosion time from 240h to 720h, the corrosion rate of rebar HPB235 increases and the corrosion becomes heavier....

According to Extension project construction drawing design of Chang pugang Bridge and some related files, we built the mathematical model for calculation. Also, the internal force, stress, and deformation result of the control section has been checked by referring to the current specification, and we...

In the early stages of China’s mining industry, due to underdeveloped legal regulations, small mining companies often neglected backfilling and support work after excavation, leading to the formation of numerous goafs (mined-out areas). These goafs are prone to instability under the influence of external...

The result of the English Proficiency Test (TOEP) of UMS students in the first and second periods of 2021 shows an increase in student failures, from 33.96% to 50.82%. The increase of TOEP failures means the possibility of mistakes and deficiencies in the teaching and learning process, in point of fact...

This study aims to determine the level of relevance of graduates in getting a decent job. This type of research is descriptive quantitative. The variables studied included the level of closeness of the field of study with work, the same level of education with job needs, and alumni income. The number...

The soil water characteristic curve is a important parameter that expresses the unsaturated characteristic of water holding and moisture migration. With filter paper method, the matric suctions of soil samples in six water contents and three dry densities are measured, and the soil water characteristic...

Specific to the usual methods for insulation monitoring—dc superposition method, double frequency principle and zero sequence current amplitude comparison method, the work principle and applications of these methods were compared and analyzed, and respective characteristics were concluded. On this basis,...

Two new double-sided and multi-layered network porous compound named 1 [Ni2(BTC)2(DABCO)(DEA)2] have been synthesized by solvent thermal synthesis method. Which, for the first time, exhibit an unusual double-sided and multi-layered MOF. The double-sided MOF structure extended to regular hexagon morphology...

The kinetics of ring-opening polymerization of L-lactide in a tubular static mixing reactor was investigated for the first time. The polymerization of L-lactide was initiated by stannous octoate/triphenylphosphine catalyst system at a temperature of 170 ºC - 190 ºC and molar ratio of monomer to initiator...

The applications of neutral network based temperature prediction for microwave heating system has been comprehensively investigated. Temperature prediction is essential due to the characteristics of high power microwave heating system, a.k.a. big inertia and pure time-delay. This work proposes a BP neutral...

At the stage, the airport prestressed concrete pavement of our country is still in the research stage. In this paper, an experimental analysis on mechanical effects about the void prestressed concrete pavement has been done. Deflection has been compared under plain concrete pavement and prestressed concrete...

In this paper, a 220kV substation occurred in a 220kV oil immersed inverted current transformer failure were analyzed. Based on the principle and characteristics of the current transformer, this paper analyzes and judges the cause of the accident using the structure, characteristic analysis, accident...

In view of the serious water logging, water scarcity and water environment deterioration, the paper analyzed the causes of water logging according to the specific conditions of Kunming. The problems of water logging and water scarcity were considered from the perspective of rainwater utilization. Based...

Ensemble Multi-Criteria Decision Making (MCDM) has emerged as an innovative field, addressing challenges associated with the absence of a universally superior MCDM technique and the lack of objective methods for selecting the best approach. Researchers have proposed various techniques for combining MCDM...

This pilot study evaluated the APACHE Score and QT Interval Dispersion for the Prognosis of Critical Cardiovascular Diseases.

Principal Component Analysis (PCA) is a main approach based on the second order statistics. It can remove the correlation between the signal components. PCA has been widely used in blind source separation and received attention because of its potential application in signal processing. PCA’s principle...

Direct Simulation Monte Carlo (DSMC) is a widely used statistical numerical simulation method based on molecular motion. But in terms of the DSMC method. When we are simulating the gas flow at low speed, he molecular thermal motion speed is bigger than the macroscopic movement speed. If we want to get...

Doubly-fed induction generator is a multivariable, strong-coupling, nonlinear controlled object. The paper makes a comparative study on two decoupling control methods based on vector control and Internal Model Control theory for decoupling voltages of DFIG. Theoretical analysis and simulation results...

The damage test of concrete with size of 100 mm * 100 mm * 300 mm under loading history and sulfate attack has been carried out to investigate concrete properties. Mass and ultrasonic velocity of 15 prismatic concrete which are immersed in 1% sodium-sulfate solution under different loading history are...

Our first-principles calculations based on density functional theory predicted a new path for the formation of sp-ferromagnetic states: anion interstitials. The fluorine interstitials in MgO were found to be spin polarized and are more stable in the ferromagnetic state. This observation is attributed...

The research of the reliability will be further into the substation level with the combination of the substation main wring and power system. In this paper, the power system reliability considering the effect of the substation main wiring reliability evaluates by two different methods which are the analytical...

For quickly, realistically and effectively building up the computing environment in the emulational network and electromagnetic circumstance, how to utilize the underlying virtualization technology to realize dynamic building has become a hot spot and difficulty for researching. Prompt a dynamic building...

license plate location is one of the key steps for license plate recognition. With license plate recognition technology, police can better manage vehicle and this technique also give convenience to application such as parking fee charge. In this paper, we propose a novel method to locate license plate...

Ni-nanoTiN composite coatings were electrode posited on 45 steel substrate by using the ultrasonic–electrode position for nickel sulfamate bath. The effects of direct current, positive pulse current, reverse (positive and negative) pulse on surface morphology, binding force, micro hardness, friction...

The Overtemperature OTDeltaT design is based on radial core peaking factors being no worse than design. It is not intended to protect for adverse radial power (quadrant tilt such as might be caused by misaligned control rods). The OTDeltaT RT protects the thermal design limit for departure from nucleate...

With the development of global climate change and infrastructure construction, slope geological hazards have become increasingly prominent. Especially for all infrastructure projects with multiple points and line lengths, slope types are complex and diverse, hazard distribution ranges are comprehensive,...

Gerrymandering implies altering boundaries of districts or constituencies to favor an entity or individual with influence at the disadvantage of another. Electoral malpractices are a significant part of political and scholarly discourse. One of the means by which electoral injustice may manifest is through...

The paper,taking a Honda SUV vehicle tires as an example,designed a outer rotor 18/12 pole doubly salient permanent magnet wheel motor and briefly introduced the design principles for the motor size and the material selection for the main part of the motor . This paper also used Ansoft software to do...

For manufacturing enterprises, holding a certain amount of inventory is necessary, excess inventory is not only useless but also occupied capital, therefore, inventory control is a good way to optimize the inventory struc-ture as well as to improve the utilization of the funds manufacturing enterprise....

In order to solve the recent privacy issues in the process of the smart grid data mining, this paper analyzes the data mining techniques for the smart grid data and states the existing research methods of the privacy issues in the process of the smart grid data mining; Then this paper designs a homomorphic...

In this paper, three fatigue models are employed and proposed for modeling the fatigue life of different fiber-reinforced composite material systems. In order to identify the unknown parameters in these models, Genetic Algorithm (GA) is used for estimating its values. This technique is a stochastic process...

With the development of science and technology, energy has been widely applied in various kinds of fields. Some studies have shown that the pumps and fans' consumption of electricity is about 6.1% of the country's electricity generation annually. The problem of low efficiency is serious. Nowadays, power...

This paper discusses the Dandong overlapping tunnel project in terms of the stability of existing tunnels by the approaching construction of overlapping tunnels. It uses the Peck formula and the theory of the Kinkler elastic foundation beam. The numerical model is established using MIDAS-GTS. The deformation...

Wireless sensor network has a broad application prospect in the national defense military, medical services and traffic control, and other fields. As the power energy of the wireless sensor network is limited, therefore the effective use of energy becomes a core problem in the sensor network query processing....

An underground geologic model which can reflect the structural characteristics as precise as possible is very important for oil and gas exploration and production. Three-dimensional structural modeling technique provide an effective method for subsurface formation architectural description. This article...

The development environment of Yangluo Port will influence the port’s development strategy. This paper applies the Fuzzy Analytic Hierarchy Process (FAHP) to the evaluation of port’s development environment, and provides a mathematical model about it, then gives the formula of weight. Through making...

A numerical simulation model based on the particle size composition of High Viscous Dredger Fill (HVDF) was established. Consolidation process of HVDF was in the action of Direct Drainage Vacuum Preloading (DDVP) and was in the Graded Vacuum Preloading (GVP), which was described the drainage consolidation...

This paper offers a brief introduction to the importance and development trend of automation system of transformer substation, proposing the basic concept of integrated automation of transformer substation and analyzing the system structure, communication mode, the basic functions and the development...

The traditional universal driving joint has the friction and wear, so its moving parts would get hot and its dynamic performance would become worse when working. Based on the Integration of motors, magnetic levitation, robotics and other techniques, a novel magnetic levitation spherical reluctance active...

By using the software FIRE, the flow structure of 186FA diesel engine were analyzed by numerical simulation. The indicator diagram, velocity field and turbulent kinetic energy in the cylinder were simulated by both the k - model and the large-eddy simulation(LES) model. The results shows that the mesh...

In this paper, we propose the development of multimedia digital library of popular news based on Functional Requirements for Bibliographic Records. The main motivation of this paper is to study the digitization of popular news, focusing on the conceptual design of a changeable data model the system is...

Self-reconfigurable robot is a kind of robot that is able to recover its original function after partial damage of the robotic system. This is achieved by making changes on the partially damaged robot. This paper put forward a kind of self-reconfigurable quadruped robot based on the resilient theory....

This paper discusses the new progress and field application of CO₂ flooding in low permeability oil field to improve oil recovery. The study shows that CO₂ flooding can improve the oil recovery rate of low permeability oilfield by more than 10 %.The practice shows that the liquid CO₂ injection in low...

In this paper, the function of auxiliary safety management subsystem of railway permanent way which used in the state analysis of the track is introduced. The content and process of the auxiliary management subsystem used in the state analysis of the track; the relationship between all components of...

Academic studies concerning pricing efficiency of stock market mainly focus on whether the stock market is an efficiency market and the market form, but do not give quantitative indexes to measure pricing efficiency. In this article, we employed a state-of-art Spring Oscillator Theory to study pricing...

The developing of the globalization of the world economy and regional economic integration, makes China, which is in the period of social transformation, have the situation such as: professional norms empty, professional norms confliction, professional norms unclear, professional norms dysfunctional....

As one of the important sectors of the national economy, the power industry management department should constantly expand the scale of power system. Therefore, it faces increasingly heavy grid development planning task. Based on the research of the vacant area inference, existing classification and...

Localization with FDOA measurements is an important passive location method. Traditional solution to nonlinear equations is Newton's iterative method. However, this method may encounter convergence problems. This paper proposes an algorithm that can find initial estimates by dividing target area into...

Artificial neural networks have been applied in many fields, and with the continuous improvement of neural networks and the combination of other new algorithms, the application fields of artificial neural networks have become wider and wider. In this paper, genetic algorithm is used to optimize the performance...

In view of the eddy current retarder (ECB) power consumption problem, a new type of split self-excited eddy current retarder (S-ECR) is designed in this paper. In order to verify its feasibility and get the best structural parameters, the influence of the structural parameters on the braking torque of...

Structural health monitoring systems measure structural deformations, vibrations, stress, etc., in real-time through sensor networks, comprehensively assessing the health of structures. The quality of monitoring data directly influences the accuracy of structural assessments and maintenance decisions....

Hydroponic agriculture utilises far less water and other resources than soil-based production. Due to the many variables, plant nutrients, and diagnostic methods, hydroponics cultivation is tough to monitor. Recent technical advances have helped find answers by enabling the use of AI-based control algorithms...

Data instances are organized into clusters through a machine learning technique known as clustering. This method is employed to categorize each data instance within a collection into specific groups. Ideally, data instances in different groups exhibit distinct attributes, while those within the same...

Nano-ZnO was successfully synthesized by a sol-gel method with an average size of 26.1 nm. The nano-ZnO was applied to coat the knitted poly(lactic acid) (PLA) fabric with or without further coating using a polyacrylate binder, and the UV protection ability and antibacterial activity of the coated fabric...

An intuitionistic fuzzy hybrid discrete particle swarm optimization (IF-HDPSO) is proposed for solving travelling salesman problem (TSP). By defining intuitionistic fuzzy charisma function, the IF-HDPSO algorithm exploits some other individuals to participate in the updates of velocity and position except...

3-Morpholin-4-yl-1-(4-nitrophenyl)-5,6-dihydro-1H-pyridin-2-one (1) is an important intermediate for the synthesis of many biologically active compounds. It was synthesized from cyclopentanone oxime (7) and 1-fluoro-4-nitrobenzene through three steps including rearrangement Reaction, condensation and...

Heilongjiang province is the lowest temperature provinces in China, the cold environment cause the freeze injury of the hydraulic engineering, the soil slopes of larger canal often collapse, so there is many difficulties in the water transmission of irrigation and draining canals and the engineering...

Bushing dielectric loss factor measurement test is a very high sensitivity. Through the analysis of the measurement data, it can be judged whether the insulation of the equipment is the whole damp, the deterioration of the insulation, and the local defects of the small capacitor. Introduces the method...

Based on analyzing the total energy consumption of cooperative transmission and the proportion of energy consumption of each node, this paper presents a method for calculating equilibrium degree of the node energy consumption and its balance scheme. Comparing with the traditional cooperative MISO scheme...

In this paper, the effects of EDTA and EDDS as chelating agents, chelating-induced maize remediation on Tl-contaminated soils and their heavy metal leakage characteristics under rainfall conditions were studied. The results showed that both EDTA and EDDS could promote the uptake of Tl by maize, and EDDS...

With the rapid development of digital technology, architectural interior design is facing unprecedented opportunities and challenges. Traditional design methods are difficult to meet the increasingly personalized and intelligent space needs, and new design concepts and technical means are urgently needed....

LAMDIK is an independent accreditation agency that accredits study programs in the field of education. SIMAK is a web-based application for the administration and automation of the accreditation process, can synchronize with PD-DIKTI, multiuser (assessor, study program, validator, facilitator), and can...

In view of the disadvantages of superfine fiber nonwovens materials made by polypropylene (PP), such as poor hydrophilcity, deficiency of antibacterial property, poor hand feeling, we chose polylactic acid (PLA) slices as the raw material to make superfine fiber non-woven materials, which is quite antibacterial...

Massive Open Online Course [1,7] (referred to as MOOC) is currently the hottest online education model. It is mainly composed of many micro-course videos, and has greatly changed the way of learning. But most of the micro-course videos in MOOC are traditional, students will feel boring for a long time,...

In order to research the influence of distributed generation access to distribution network, a mathematics model of distribution network reconfiguration with distributed generation is presented in this paper. Fireworks Algorithm is used to solve this problem. According to the characteristic of distributed...

Many new characteristics are introduced in the mobile computing system, such as mobility, disconnections, finite power source, vulnerable to physical damage, lack of stable storage. Since the related log-based rollback recovery fault tolerant schemes may still lead to dramatic performance loss in failure-free...

Manganese-copper bimetal oxide catalysts supported on ZSM5 were produced by incipient wetness impregnation for selective catalytic reduction of NO with dielectric barrier discharge plasma. The significant enhanced activity of catalysts was exhibited with the increasing calcination temperature from 350øC...

The article deals with finding the optimal floatation conditions for the final tailings of wet magnetic separation. To solve the problem, several laboratory tests were made using a floatation machine, which helped to determine the needed reagent composition, temperature and time of reverse cationic floatation....

Ag/AgCl/Ag3PO4 plasmonic nanocatalysts were prepared through the ion exchange and subsequently light-induced process. The obtained samples showed a high photodegradation capacity for prometryn, bentazone and metribuzin under visible light irradiation. Effects of reduction time (RT) and Cl/P in the synthesis...

A long time immersion test of silica fume concrete specimens in sulfuric acid is carried out.On the basis of experimentaldatum, a novel prediction model for sulfuric acid corrosion of concrete based on support vector machine (SVM) is proposed. The design steps and learning algorithm are also given. Five...

Oxalate-loaded microcapsules can be used as applicable catalyst of in-situ heat system for hydraulic gel fracturing. In this study, oxalate-loaded microcapsule was prepared with AS as the shell material via phase separation. The product was characterized by thermogravimetric analyzer (TGA), laser diffraction...

Split appeared after initial interaction between honeycomb core and projectile debris when projectile hypervelocity impact on honeycomb sandwich panel. In order to investigate the split characteristics of projectile debris, a 3D simulation model of projectile hypervelocity impact on honeycomb sandwich...

Aiming at the characteristics of ilmenite ore with a low grade, fine disseminated grain size and containing plenty of mud in Kunming Yunnan, the mineral properties of the ore samples in this area were analyzed and exploratory experiment of mineral processing were researched in this article. The results...

The nonlinear and impact loads in the power network consume large amounts of reactive power. And the amount of the reactive power compensation is different in a state of work. The traditional reactive power compensator is difficult to meet the needs of the reactive power compensation. Therefore, a method...

The aim of the study was to investigate the peculiarities of microbiome and seed bacterial endophytes isolated from different varieties of spring wheat grown in different areas of Eurasia (European part of Russia (Volga region), countries of Central Asia). The main method of the microbiome studies was...

Digitalization of low-pass filter produced from first-order inertia link is carried out firstly in this paper. Then an improved algorithm is proposed to achieve better low-pass characteristics by smoothing the first n-part data and using the smoothed data instead of n-1 based on the first step. At last,...

In project implementation, it is also known as the Implementation Budget Plan. The Implementation Budget Plan is a real cost that is used during the course of the project until the activity is completed. So with the calculation of the RAP before submitting a tender, the contractor can estimate the total...

To enrich the basic theory of the reductive decomposition process of PG(phosphogypsum), emphasis was laid on the exploration of the impact of the main impurities on the process. Firstly, the simulation computation was done on the systems of pure gypsum mixed with coal with or without impurities under...

Taking machinery roadway, ventilation passage of Roadway 8203 of Guobei Mine in Huaibei Mining Group as the research background, applying basic theory of modern solid mechanics, interaction mechanism between metal bracket and bolt were studied in the condition of large loose circle, high ground pressure...

Based on benefits evaluation, a location model of CMS is provided in the paper. According to the character of the highway network, some parameters are simplified to calculate traffic flow and attenuation coefficient in the model. The results verify the rationality and practicality of the method.