Advances in Engineering Research

The construction industry is one of the major contributors to the economy development of any country, hence, the need to investigate new technological ways that will ensure the growth and development of the industry. Using existing literature materials, the adoption of nanotechnology as a technological...

Based on a lot of literatures at home and abroad, five kinds of detection methods, namely, scanning electron microscope test, X-ray diffraction test, ultrasonic test, microhardness test and mercury intrusion test are summarized by reviewing the studies of micro- and meso- structures of concrete after...

Wireless communication system using cooperative transmission technology, at the receiving node by combining data samples from multiple independent fading channel, can effectively resist the influence of channel fading, obtain diversity gain, and improve the transmission reliability of the system. The...

The anode material Fe2O3/C composite is prepared by a solid phase method. The as-obtained Fe2O3/C composite was investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical measurements. XRD results indicate the presence of hematite. SEM observations shows...

In recent years, with the continuous development of China's economy, electricity consumption is growing, and the power supply is lagging behind, power shortage situation often occurs. So the orderly power management is the current domestic power industry imminent task. Based on the analysis of the means...

To operating subway shield tunnel with straight joint in soft soil area as analysis object, with statistical analysis of seven-year elevation and settlement data, and introduction of per meter elevation difference and per meter settlement difference, systematic research on the distribution and long-term...

First, the author measures the pose of the aircraft model under the help of Laser Tracker System; then, the author creates the amendatory equation on the bases of measuring; At last, the compensation value is input into the control system, a enhanced result can be got. The paper affirms the Captive Trajectory...

Traditional branches chopped finely chopped device volume is larger, cutting tool wears, big impact.This article is based on the shortcomings of traditional cutter, and put forward a kind of reduced chopped device volume, reduce the impact and abrasion of involute arc type knife knife plate.After the...

Using the mean-field approximation, we employ the transverse Ising model with the next nearest-neighbor interactions to investigate the phase transitions in a ferroelectric thin film. The dependence of the Curie temperature on the transverse field, the surface exchange interaction and the thin film thickness...

With the method Hydrothermal-photosynthesis, respectively prepare mesoporous silica adsorbent with different content of diamine-modified, 5%2N-SBA-15 10%2N-SBA-15 15%2N-SBA-15 20%2N-SBA-15. All mesoporous materials were characterized by X-ray diffraction(XRD), Fourier transform infrared spectroscopy(FT-IR)...

In this paper, a highly efficient differential rectifier for passive radio frequency (RF) energy harvesting device is designed. The circuit uses the differential-drive CMOS to reduce the RF energy loss caused by the MOS threshold voltage during rectification and improve the rectification efficiency of...

Knowledge of the ratios between different polarizability tensor elements of a chemical group in a molecule is crucial for quantitative interpretation and polarization analysis of its coherent anti-stokes raman spectra (CARS) and coherent anti-stokes hyper-raman spectra (CAHRS). The hyperpolarizability...

A simple and reliable method combining dispersive liquid-liquid microextracion (DLLME) with capillary gas chromatography (GC) using flame ionization detection was developed for simultaneous determination of phenol (PN), p-methyl phenol (p-MPN), o-nitrophenol (o-NPN), and 2, 4-dichlorophenol (DCPN) in...

On the basis of analyzing the main problems during the process of industrialization construction in China, such as no sufficient unified technical system and low integration degree, BIM technology is used to construct the technology integration model. Not only the characteristic that the information...

One of the stages in evaluating ship design is the calculation of the strength of the ship's length. So we need a support tool that can speed up the calculation process. Therefore it is necessary to develop a program for calculation, as an alternative to evaluate the strength of the ship's length. Analysis...

In this paper, the dynamic equation of the simplified model of dispersed droplets in two phase liquid under ultrasonic excitation is derived based on the derivation method of cavitation bubble motion equation. The influence of different parameters on the radius of droplet under ultrasonic action is obtained...

A new approach for fault detection and diagnosis based on Support Vector Data Description (SVDD) has been proposed in this paper. Similar to the T2 and SPE statistic in principal components analysis (PCA), an appropriate nonlinear distance metric measured in feature space and threshold have been developed...

Analysis of works of prominent scientists Brown (1886), Blackman (1905), Richter (1914), Emerson (1956), Warburg (1956), Mekkelson (1959), Rabinovitch (1961), Prischep (1971), Kozinsky (1978), Korzh (1975), Bolshina (1985) and others has shown that photosynthesis includes light-dependent and light-independent...

In order to cope with the problem of electric power stealing in the power supply company for a long time, according to the influence factors of the accuracy of the electric energy measurement, from the four aspects of current, voltage, phase and installation connection, several common ways of stealing...

Modbus Protocol is commonly used in Building Automation System devices. Siemens compony with good quality and high quality services, is one of the largest supplier for Building Automation System in China, but Insight software of Siemens only provides OPC and BACNET Protocol for other brand building products...

With the improvement of the quality of life, people have gradually increased their requirements for interior design. In order to rationally use the interior space and save the interior decoration funds, the interior decoration design must rationally apply natural elements. Appropriate application of...

With the development of the Internet,e-mail becomes one of the most widely used services on the Internet with its low price and convenient operation.However,with the development of e-mail,the value of the message is increasing,and the security issues have become increasingly prominent,so the e-mail encryption...

In view of the present situation of the popularization and application of the power supply enterprise smart meter, smart meters, marketing business system and analysis of the electric energy data acquire system, current prepaid business and customer service business model have been unable to adapt to...

Informal learning is an essential part of students' active learning in higher education. They are sustainable development's representations to create favorable informal learning space and energize students in colleges, which is of great significance to higher education. At present, colleges' planning...

The fingerprint verification technology is of better feasibility and utility, due to the uniqueness and invariability of fingerprints. So the automated identification based on fingerprints is becoming an attractive alternative to the traditional methods of identification. This system uses DSP chip, the...

This paper introduces the Guide-Weight method into solving the topology optimization problems of compliant mechanisms. Guide-Weight method is a kind of Optimality Criteria methods, and it possesses the characteristics of clear physical meaning, high computational efficiency and great generality, which...

Microelectronics manufacturing standards are increasingly demanding, plasma etching process is facing 22nm or even smaller size of the node, which requires higher requirements on plasma processing technology. Pulse modulated plasma has been used since it has more advantages than traditional RF plasma....

A set of GDI system for ethanol injection is installed on a F188 diesel engine, and the diesel supply system of the original diesel engine is used for diesel injection. The computational fluid dynamics software FIRE is adopted to establish a 3D combustion model of the ethanol - diesel direct injection...

Pilotage and tugage are part of port services. They are needed in serving vessels berthing. The two factors affecting pilotage services are internal and external factors. The internal factors include the tug readiness and marine pilots while external factors include weather, channel and vessel traffic....

This research is an evaluative study program to accelerate the increase of Academic Qualifications in the Diploma of Health Workers, Medical Laboratory Technologies. The Evaluation of this program is very important, has a positive impact, and can be used as a reference to improve the quality Program...

The world was shocked by the outbreak of the Covid-19 Virus, with the spread of almost all countries in the world starting in early 2020, followed by the announcement of the status of a Global Pandemic by the World Health Organization (WHO). The role of nutritional knowledge possessed further contributes...

The engine room is one of the most critical compartment that have significant level of risk. There are many equipments, devices, and environmental aspects considered having potential caused of fire. Those of the potential components could rise probability of fire. Therefore safety operation on engine...

There is a difficulty in building the implementation of a computational model to build a complex Covid-19 drug design involving a smart ecosystem. Covid-19 and the drug design of its new variants are formed by combining the appropriate compound and dose as an antiviral. Drug designs as the candidates...

Prefabricated concrete structures, with their high quality, efficiency, and resource-saving advantages, are widely used in the construction industry. However, traditional two-dimensional design drawings cannot meet the requirements of detailed design of prefabricated concrete structures, especially beam...

As official educational institutions, universities are faced with demands to produce graduates who are superior and competent in facing developments in science and technology. In this context, the Diploma IV Software Engineering Technology (D4 TRPL) study program aims to produce a quality workforce in...

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...

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...

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...

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...