Advances in Engineering Research

A credit system is the inexorable trend of higher education development. Course selection is the basis and core. Therefore, it is necessary to establish a reasonable course recommendation system. A method to recommend the course is used to guide students to choose the right course based on a large number...

The scientific and methodological study of environmental pollution impacts on the gross regional product generation and the loss in the coal region is presented. Restrictions on the activities of the region's economic agents are given. Statistical data on people health/morbidity are cited. Evaluation...

A pot experiment was conducted to study the effects of spraying melatonin(MT) on photosynthesis of lettuce seedlings under NaCl stress. The results showed that net photosynthetic rate(Pn), stomatal conductance(Gs), light use efficiency (LUE)and transpiration rate (Tr) were improved, especially when the...

A new synthetic approach has been developed to prepare α-Fe2O3@TiO2 core-shell nanostructures at ambient conditions (e.g., in water, ≤ 100 °C). This approach shows a few unique features, including: short reaction time (a few minutes) for forming core-shell nanostructures, no requirement of high temperature...

The key purpose of this paper aims to discuss the possibility of constructing the public information system based on the Big data. Especially, the public security information system is chosen as the objective for details. Then the significance and difficulties which we will face when the corresponding...

Using constant velocity universal drive shaft of Santana Automobile for different years as specimen,mechanical characteristics such as natural frequency and hardness were investigated.The results show that natural frequency of drive shaft decreases slightly with the increase of years.The maximum of decreased-percentage...

This paper introduces the load isolation type pure electric driving (LIPED) system, and according to the performance requirements of the vehicle. Based on the NEDC cycle, the energy consumption and the maximum demand of a light truck are calculated, and the parameters matching of power battery is carried...

This paper introduces design of mix proportion of recycled Micro-surfacing technology mixing with a certain amount of Recycled Asphalt Mixture referred to as the RAP and its application in preventive maintenance for Yunnan Yong wu highway.

Photovoltaic power system has bigger time-vary nature, so it is difficult to build accurate mathematic model. BP neural network has the capability of expression nonlinearity and also has the self study and adaptive function BP neural network control makes full use of neural network approximation capability,...

Based on the generic name of Continuation Period Techniques (CPT), various different and effective Geophysical Techniques are covered. According to the Paragraph 69, Part II of the Protocol to the Comprehensive Nuclear-Test-ban Treaty(CTBT), the techniques allowed once the continuation of the inspection...

The electrical performance and mechanical properties of nearly 200 composite insulators operating in the power grid for over 5 years are tested, to grasp the current running state of composite insulators, While statistical analysis of their regional type, age, process and so on,the correlation between...

Abstract.In this paper, we use the method of permutation entropy symbolization to symbolize the original data. It mainly uses the size relation of the adjacent data to symbolize the original data, preserves the details of the original data, and overcomes the problem that global static symbolization method...

Hemiplegia is the most common performance of stroke. In order to assist the recovery of upper limb hemiplegia patients, the author developed a 3-DOF upper limb rehabilitation robot system based on the technology of Virtual Reality. The system can help patients to complete the shoulder movements of abduction/adduction,...

Local stress of steel-concrete joint section is analyzed in the role of three conditions. According to the engineering example of Weihe grand bridge, the finite element space model of steel-concrete joint section is built. Through calculation and analysis, the stress state of steel-concrete joint section...

This paper proposes a method of acoustic modeling for zero-resourced languages speech recognition under mismatch conditions. In those languages, very limited or no transcribed speech is available for traditional monolingual speech recognition. Conventional methods such as IPA based universal acoustic...

A uniform CNTs coating on highly porous nanofibrous and biodegradable PLLA scaffolds, intended for tissue engineering, by the electrophoretic deposition (EPD) technique. The morphologies before and after EPD of CNT coating were investigated by SEM. The mechanical properties were also measured and the...

Grey prediction of CNC machine spindle system failure is modeled with GM(1,1) grey prediction as data accumulation weaken randomness and strengthen regularity. The model result provides preventative maintenance of CNC machine spindle system with theoretical foundation. The example analysis shows that...

Building fires cause incredible life and property losses. In order to enhance buildings safety a framework of building up intelligent space based fire detection and evacuation system is clarified in this paper. On the base of building fire defence analysis, this paper illustrates the application of intelligent...

Annually an area equal to an agricultural enterprise is removed from intensive agricultural use as a result of water and wind erosion. Along with this, the deforestation is increasing and the ploughing of territory is also growing. Therefore the issue of the development of environmental technologies...

Selection of optimization results of abrasive wheels characteristics of the surface quality with fuzzy logic involvement are carried out in flat grinding conditions of high-strength aluminum alloy 1933T2 parts. The quality of grinded surfaces was evaluated using three groups of parameters: roughness,...

The overhead conductor sag calculation is put forward combined with image analysis technology based on DLT theory in this paper. Moreover, the simulation experiment is carried on and the measurement error is also analyzed. The attentions needed in practical operation are also provided. The result shows...

In order to discuss the vehicle routing problem, which is a combination optimization problem, we apply drosophila algorithm. First of all, we introduces the fundamental concepts of drosophila algorithm and describes the specific implementation steps. Secondly, we analyze vehicle routing problem and mathematical...

According to the statistics agency in 2017, banana production had the largest portion in Indonesia. Furthermore, banana production increased from 6.28 million tons to 7.04 million tons. Consequently, this tremendous production lead to an increasing of pseudostem waste. Through a research-based community...

Laundry wastewater is classified as domestic wastewater that has a turbidity of 25 – 150 NTU and can cause an environmental problem. Moringa seeds are plants that can be used as natural coagulants for the treatment of wastewater containing suspended colloids. The main purposes of this study are to extract...

A construction failure might be caused by so many factors, one of them is the poor properties of the subgrade. A subgrade with low bearing capacity and low shear strength can cause a large settlement. This problem usually occurs in an area where the soil receives too much water. The settlement phenomena...

Wood is one of the main ingredients in making furniture. However, the faster the furniture industry in Indonesia cannot improve. Therefore, applying fast-growing wood and starting to be small diameter is applied. But the weakness of this wood will decrease and its size is relatively small. Innovation...

Background: Acute Lung Injury (ALI) is a severe pulmonary condition characterized by inflammation, oxidative stress, and epithelial-endothelial barrier dysfunction, often progressing to acute respiratory distress syndrome (ARDS). Current treatments remain largely supportive, with limited therapeutic...

This study provides a concise bibliometric analysis of 1,785 Scopus-indexed publications (2023 onwards) exploring the convergence of artificial intelligence and undergraduate management education. Employing Boolean queries across 23 AI and 21 education terms, the dataset was filtered for English-language...

Population growth in Bandung Raya has led to an increase in the number of private vehicles and a decrease in the use of public transportation. The reason for this is the need for more quality and service of public transportation. Trans Metro buses cannot reach all areas, and more and more private cars...

Schizophrenia is a chronic mental illness, which is characterized by impairment of thoughts, percepts, affect, and behaviors, as a result of which there is significant functional impairment. The standard diagnosis for this condition is greatly dependent upon clinical evaluation, which is inherently time-consuming,...

This article uses a four-span continuous spatially slanting heterotypic stay cable arch bridge as the background, and establishes finite element models of the main girder using both a single-beam model and a beam-grid model. The calculation results of the two models show that there are certain differences...

As a result of the earthquake that occurred on September 28, 2018, in Donggala Regency, precisely in Sirenja District, Tompe Village, the phenomenon of land subsidence may be the occurrence of land subsidence to cause damage to existing coastal protection infrastructure and the entry of sea tides into...

Laser impact welding is a relatively novel solid welding technique. In this study, weldability of three layer aluminum foils by laser impact welding has been experimentally investigated. Besides, the welding area and interface morphology of the welded joints were also studied. Experiment results show...

With the development of science and technology, the demand for high quality power supply electrical equipment increasing application of analog circuit Control Research and Application Development of power for many years already, but it still has many shortcomings. FPGA as a highly integrated, economical,...

Building a fast charging network puts forward new demands of operation monitoring system for electric vehicle fast charging station, through investigation of different situations for fast charging station, study business needs of fast charge stations under different situations, and do system architecture,...

This article takes the Sandwich wall slab that be connected by reinforcing bar trusses as an example, research the method and steps of calculating the carrying capacity of precast concrete Sandwich wall slab by finite element. this provide a basis for how to use the Sandwich wall slab safely in engineering.

In order to study the application of Weibull distribution in cable partial discharge pattern recognition. We apply a 10kV 30m XLPE cable for this study. Then design four kinds of typical artificial defect model and analyze each of defect model’s discharge pulse signals. Finally, estimate the Weibull...

At present, there exist some problems of energy conservation and emissions reduction in tunnel and underground engineering construction. During the operation period the current situation of the energy conservation and emissions reduction in tunnel and all kind of underground space can not be ignored....

The objective of this study was to investigate the successful start-up of poor nutrition simulated wastewater with sodium acetate carbon source in an EGSB reactor, and EGSB reactor inoculated the flocculent sludge from the anoxic zone in the municipal sewage treatment plant. The results demonstrated...

Confidential work is an important work to a company or a country. Confidential inspection is an effective way to strengthen security work. By studying problems existing in the confidential work in the current, the paper introduces a method in confidential inspection, which is safety check list (SCL)....

The hydrolysis reaction of methyl ethyl ketone azine and the simulation of process are studied. The influence factors such as the plate number, the feed location, water and methyl ethyl ketone azine molar ratio and reflux ratio are studied respectively. The feeding method is single strand, reaction section...

In order to solve the issues of low accuracy, existing electrolytic coating thickness, poor reproducibility, lack of self-checking, data is difficult to store and handle urgent need to address, we designed a portable gauge based on Coulomblaw. This paper describes the system design of electrolytic thickness,...

In order to guarantee the safety and reliability on the operation of oil and gas well, tested the thermal stability, mechanical sensitivity, flame sensitivity, electrostatic spark sensitivity and the 5s delay explosion temperature of LLM-105 explosive. And conducted the tests with 4 1/2 perforating charge...

Fluidized bed incineration is an innovative combustion technique in soil environmental remediation. It was specifically and effective for the sewage sludge remediation contaminated by heavy metals. In this paper, the sludge incineration technological process was mainly studied. There were 3 methods of...

In this paper, the preparation technology of super-fine tungsten powder has been studied by using of induction plasma powder synthesis system, and the flow-ability, particle size, the impurity content of the powder before and after plasma treatment have been measured and compared. The result shows that,...

The examination is an important means to measure the ability of people, already deep into all aspects of society, but there are many malpractices in the form of traditional examination, so the online examination system studied in this research has certain practical significance. Firstly, studied the...

A pot experiment was conducted to study the effects of different concentrations selenium (Se) on the photosynthetic characteristics of tomato seedlings. The results showed that the photosynthetic parameters and photosynthetic pigment content of tomato seedlings increased first and then decreased, and...

In order to study the infrared radiation characteristics of the tank exhaust, a numerical model of the tank exhaust heat flow field is established. The distribution of the flow field is analyzed and calculated, and the distribution of the temperature field of the smoke exhaust is obtained. Using spectral...

We present an effective optimal adjustment test method for SCR denitrification device. The decrease of catalyst activity in local regions can lead to non-uniformity of NOx concentration and augmentation of slipped ammonia around outlet of SCR device. In this case, we introduce a two-step adaptive adjustment...

In the work, the universal driving joint with the traditional series composite mechanical structure has the friction and wear, which make the moving parts hot, and then causes the static and dynamic performance of the joint worse. So based on the Integration of multi technology domains, such as motors,...

In this paper, the electromagnetic property of capacitor is carefully studied using 3-D electromagnetic simulation software CST MWS.Since CST is still a new software which has not been widely acknowledged and used widely,there is likely to exist inaccuracy calculation in low frequency range using Time...

This research aims to model electromagnetic waves propagation in SnO2 materials related to their dispersive and nonlinear properties. The FDTD method was used to describe electromagnetic waves from Maxwell’s equations. The signal that formed electromagnetic waves was analyzed using time, position, and...

Under the guidance of “carbon peak and carbon neutrality” policies, there is an urgent need in the construction market for insulation materials that comply with the thermal transmission coefficient standards of the “Passive Ultra-Low Energy Green Building Technical Guidelines”. This study addresses issues...

Electrocardiography (ECG) is an important diagnostic device that can be used to assess the health of the heart and provide real-time recording of the electrical activity of the heart. The recent wearable technology offers continuous and non-invasive measures of ECGs in nonclinical settings. This paper...

Suggestion Mining refers to extracting suggestions from the opinionated text. It is a lately identified topic of interest by academia and industry. The pioneering research focused on various methods and approaches to classify opinion reviews into suggestion or non-suggestion classes. However, the methodologies...

One 600MW unit in a power plant in Guangdong Province was taken as the study subject to contrastively analyze four different smoke temperature lifting schemes through thermodynamic calculation. The result indi-cate the non-feasibility of the feed water bypass scheme and the economizer exit water bypass...

In this paper, effect of frequency on multi-axial fretting fatigue damage behavior of Al-Zn-Mg alloys is studied. Point contact fretting fatigue tests are used to research effect of frequency on multi-axial fretting fatigue lives, fretting wear area and fracture appearance. Based on experimental results...

The reason of micro forming of sheet is concluded. Using simulated annealing genetic algorithm does a kind of nonlinear optimization to reason of micro forming of sheet control. The diagnosis knowledge warehouse and controlling parameter of micro forming of sheet is built. It greatly improves the method...

This paper introduces the principles, technical and performance characteristics of subgrade and track deformation monitoring methods for high-speed rails such as hydrostatic leveling, hydraulic settlement gauge and track geometry car based on the subgrade and track deformation requirements for high-speed...

Synthesis of polycarbonate diols from diphenyl carbonate and 1,4-butyl diol has been demonstrated in the presence of metal acetate catalysts. Alkali metal acetate and alkaline earth metal acetate catalysts showed much higher catalytic activity, of them, lithium acetate was the most active. And the catalytic...

In this paper, a novel poly(N-propionyl-L-aspartic acid-co-1,3-propylene glycol) (PPAP) was successfully synthesized with L-aspartic acid and 1,3-propylene glycol. The chemical structure of poly(N-propionyl-L-aspartic acid-co-1,3-propylene glycol) was characterized by FTIR and 1H NMR spectrum. The UV...

In this work mechanism and kinetics of crystallization for thin films on the basis of Ge-Sb-Te-Bi and Ge-Sb-Te-In perspective for phase change memory application were investigated. Possible data processing and storage times of the PCM cell were estimated. It was shown that PCM cell based on Ge2Sb2Te5+0.5...

The star tracker is supposed to have the highest accuracy among different types of attitude measurement devices. However, images taken by the star tracker under dynamic conditions are often blurred, especially in deep space exploration, which limits its high dynamic performance and accuracy. This paper...

This paper attempts to provide a thorough allocation model of educational finance for Goodgrant Foundation, with different kinds of factors taken into consider. In order to fulfill the optimum allocation of funds and pin down a favorable investment strategy, we build two models to research into school...

To make full use of rainwater resources, and to reduce the environmental stress brought about by rainwater drainage, rainwater sampled in a residential area in Yancheng City, Jiangsu Province was treated by four processes: rainwater sand filtration disinfection discharge; rainwater coagulation sedimentation...

Substation Automation System (SAS) performance has been gained great improvements by implementing the high data rate process bus based on IEC 61850-9-2LE. However, these improvements need to be fully assessed within different circumstances before the scheme can be implemented to real SAS. This paper...

In South Korea, apartment house has accounted for 59% of the total housing units in 2010, and the increasing number of one and two family members has led to a change in the area of the apartment house. Since the longlife housing plan aims to create housing that facilitates variability and repair through...

Data mining is a process to find hidden useful information with potential value in huge amount of data. We present a new big data processing system with the data from Oil pipeline inspection. The data mainly get from all kinds of Radio frequency identification (RFID) chips. The system consists of data...

With the rapid development of science and technology, sustained economic growth, social progress, a variety of engineering structures of today's society undergoing significant changes, material, structure, technology and other complex, and we will continue to large, complex , automation, and so the long-term...

Quadruped robots process lower control complexity and structural redundancy compared with 6 or 8 feet robots. Quadruped robots can adapt to all kinds of known or unknown complex environment, such as in disaster rescue, aerospace, space exploration, pipeline surveying and exploration. It can meet all...

For estimating the seismic demand of buildings, most seismic design provisions permit conducting linear and nonlinear response history analysis. In order to obtain reliable results from response history analyses, a proper selection of input ground motions is required. In this study, an accurate algorithm...

At present, mankind is faced with serious energy problems, as the energy-hungry, power energy saving is significant. Compared with the traditional single reheat unit, using secondary reheat to further improve the thermal efficiency of the unit, and meet the requirements of the unit low pressure cylinder...

Spatial power combining scheme of employing multiple coherent high power microwave sources together with phased array antennas is presented to improve effective radiation power of High Power Microwave Source (HPMS). HPMS and spatial power combining validation system are developed, and spatial power combining...

This paper presents a simulation model for flood warning and sluice dispatch in complex coastal plain water area. We propose an improved “semi-diurnal water production” Antecedent Precipitation Index (API) algorithm for computational modeling and simulation. By analyzing a large number of historical...

To obtain an appropriate picture of emissions through the aeration lantern of the block based on the location of the experimental area, a flexible shut-off screen was applied together with electrolyzers RA-400. Sampling was carried out along the horizon of the upper edge of the electrolyzer with the...

Through analysis of basic working principle of crane drum brake, change of friction factor under the influence of relative sliding speed, load and other factors is analyzed. Combined with the static and dynamic braking torque experimental results, the Rigid body and rigid flexible coupling model of drum...

To improve seismic reduction and self-centering performance of buckling restrained braces (BRBs) placed in a steel power plant structure, magnesium alloy is used to completely or partly replace steel as the core material of BRBs. First, steel power plant structure models with BRBs using different core...

Geothermal features manifestation appears in Grao Sakti, Renah Kemumu, Merangin Regency, Jambi Province and their associated of Sumatran Fault Zone and Barisan Range Zone. It is very important to understand the connection both of geothermal manifestation and fault zone of the Dikit Fault Segment (DFS)....

Digital media and social networks have increased explosively and with the increase in use of the medium the amount of information circulating on the internet is huge. It is also important to note that with the increase in the information flow, there has been a flow of information that is either false...

The pivotal focus of this study is to analyse solar tracing, a technique that uses global positioning system (GPS) technology to locate the sun’s potentially hazardous scene and boost the power production of a PV panel. Using the encoded information, the microcontroller’s navigation module can make an...

In this paper, a broadband impedance matching structure is presented. Based on it, a high-power double-ridged waveguide magic T covering the full-band of WRD 750 (7.5~18GHz) is designed. The test results are: each port's return loss below -18dB, synthetic branches amplitude balance error is less than...

In order to simplify the modeling job for analysis of reinforced concrete structures, longitudinal rebar can be simulated with equivalent box section instead of being embedded in concrete section. Separate model and monolithic model are researched by using numerical method. Numerical results show that...

According to the China energy consumption situation between 2005to 2014 years, in accordance with the present conditions and the energy security strategy, the Shannon Wiener index of biodiversity research method and the Pielou evenness index of energy consumption in China has benn adopted., Research...

Using finite-time thermodynamics, optimal analysis on a class of three-heat-source refrigerator for linear phenomenological heat-transfer law is done. The cooling load for the refrigerator per unit total cost is proposed as objective functions for the optimization. The optimum performance parameters...

Wavelet neural network (WNN), combining with wavelet analysis and neural network, brings forth a high- accuracy performance in identification and approximation. Passenger flow forecast plays an important role in transit scheduling and an improved WNN model is constructed to actualize dynamic forecast,...

The goal of this experiment is to use UV ink as the modeling material to reproduce oil paintings with colorful three-dimensional features. The scanned picture of oil painting stored in bitmap format was sent into a software program that provided stratification processing. The layers were printed on paper...

At present, big data environment in electric power field develops. Our platform has a poor efficiency of data analysis and the main bottleneck is disk I/O time of fetch operations. In order to address the problem, we use the characteristics that several tasks usually execute on the same data sets simultaneously,...

This paper will explain the theory of building a differential equation model that helps the simple water containment vessel offering a constant-temperature. The simple water containment vessel has an open system without the temperature control unit, and the effect of the constant-temperature may be impacted...

Funded by major national scientific research and equipment development project, the development of multi-channel transient electromagnetic system is led by the Institute of Geology and Geophysics, Chinese Academy of Sciences. It consists of pseudo random coded waveforms and high power transmitter with...

The aim of this work was to modify orange peel with sodium hydroxide and ethyl alcohol, and optimize the modified conditions and the adsorption parameters. The effects of various parameters including NaOH solution volume, NaOH solution concentration, ethyl alcohol volume, reaction time, reaction temperature,...

In this paper,Analysis and study of various kinds of internal and external treatment instruments of knee, Sum up the advantages and disadvantages of the same products and puts forward the design idea of X/O type leg correction bed with safe, low cost and physical external forces. Combined with the biomechanical...

Facing the impact of rapid urbanization and the problems of environmental deterioration, how to manage the development of landscape and green spaces in rural townships has become an important issue in China. However, how and to what extent can the patterns and changes of green spaces in the rural townships...

Heat-sealing BOPP films are used widely as commercial packages in recent years. However, nowadays there are some obstacles in heat-sealing BOPP films producing, for example the heat sealing strength is relatively low, which makes heat-sealing BOPP films not satisfy the increasing demands of the modern...

An in vitro study was performed with the aim to evaluate addition Lactobacillus salivarius I-11 on population bacteria of pellet duck feed. The completely randomized design was been used on this research with 3 treaments and 3 replications with 5 experimental units. The treatments were P0 (Pellet feed...

The application of fuzzy PID algorithm in air conditioning control system not only offers the latter a chance to adjust parameters intelligently, but also helps to get the capability of intelligent frequency modulation. This paper hereby explains the realization methods of fuzzy PID algorithm in air...

The determination of the current technical resource of the electric transport system is an important characteristic that allows one to define not only the current reliability of the system, but also to predict it for the future. If the maintenance of electrical equipment is carried out to restore the...

Book lending data is the core of the library's basic business, Through the use of OLAP and data mining technology, the library can be effectively mine the accumulated library books lending data, provide the basis for the development and daily management of the library. This paper realizes the design...

The baseband signal will be influenced by the channel which bandwidth is limited with external interference, the baseband signal will generate inter symbol interference. The raised cosine FIR filter is usually used to suppress inter symbol interference in statistical detection, and it also needs strict...

In the context of electric power reform, profit model of power grid is undergoing profound changes. The effective assets are the basis of the accounting enterprise's permitted income. So, in order to meet the growing demand for electricity supply and build smart grid, power grid need to arrange the scale...

Inductively coupled plasma optical emission spectrometric approach(ICP-OES) is used to determine the arsenic content in pyrotechnics used for fireworks and firecrackers. Element of arsenic is commonly found as impurity in chemical materials used for pyrotechnics in fireworks and firecrackers. Statistical...