Advances in Engineering Research

The construction of underground engineering will bring risks and potential hazards to the adjacent tunnel engineering. A series of numerical analysis models have been built to analyze the influence of underground engineering construction having on adjacent tunnel structure under different horizontal...

According to structural characteristics and repair process of Urban Mass Transit Train bogies, A method of designing of virtual overhaul Teaching System is put forward combining 3D bogie modeling, virtual scene created and Human-Computer Interaction technology, that is Pro/E as a tool for 3d assembly...

The definition of the concepts of theoretical and operating moisture of building materials is given in the paper. The estimated moisture is determined. To determine operating moisture, the analysis methods are used. The issues with the estimated moisture based on field studies are presented. Methods...

Based on the molecular dynamics simulation, this manuscript is dedicated to the studies of dynamical behavior in the two dimensional Frenkel-Kontorova model with triangular symmetric periodic substrate when a dc drive and a circular ac driven force are applied. The numerical results show that the velocity...

Many academics criticized municipal governments and state-owned enterprises (SOEs) promote land prices to increase. The criticism is based on the assumption that land prices reflect the true information in the land transactions. However, municipal governments and SOEs might be misled by information hidden...

Many researches emphasized the importance of quality control in manufacturing engineering. But there are little researches in the civil engineering field. This paper pointed out that it is possible to apply process control method in construction quality monitoring based on information theory. It is possible...

A facile approach was introduced for the synthesis of hybrid-microspheres (MSs) of melamine formaldehyde resin (MF) and aluminum hydroxide (Al). Wherein, the uniform MF MSs were firstly prepared under acid conditions, and then hybridized with aluminum hydroxide under urea solution presence and decomposition...

Blasting in the mining industry is being transformed, and can no longer be treated as an art or a practice purely dependent upon experiences of individuals. Examples of key drivers that have demanded consistent and more accurate blast results are initiatives to control pit-wall damage to help mine operators...

A real time control strategy based on sensitivity analysis is proposed for voltage regulation in active distribution network with perfect measurement and communication infrastructure. Based on distribution network direct power flow algorithm, a simplified calculation method of voltage sensitivity is...

In this paper, the traveling recorder for mine locomotive is designed, which can store a section of video for further analysis and transfer the real-time image by the wireless communication to the monitoring platform. By the recorder, the personnel in the monitor room could find some hazard situation...

Seedlings of two kiwifruit varieties, ‘Ganmi 6’ and ‘Hayward’, were used as experimental materials to study their tolerance to salt stress by comparing physiological indexes , The results showed that the contents of H2O2, MDA, chlorophyll and soluble protein in leaves of seedlings increased with the...

In view of the special situation that the shield machine cannot be removed from the tunnel when meets the cutter head, and it must be decomposed and disassembled before it can be taken out in blocks, needing to construct the three-dimensional model of the cutter head, and the structural statics finite...

The height of a real wind turbine tower structure is far larger than the length in the plane, so segmented assembly is generally adopted on the spot. However, after assembling a tower, annular ribs for blocking concrete and connecting tubes of a double-layered steel tower in the construction of the tower...

Ferro-coke is an iron-containing novel kind of coke, to clarify its behavior of CO2 gasification under Zn recirculating condition in the blast furnace is very important for its practical application in BF production. In this paper, the weight loss of ferro-coke was determined with a thermogravimetric...

Students and teachers were part of the education system that couldn’t be a part of each other. To engage the student to learn, the teacher needs to motivate them with several online strategies. Here, the teacher has to know the student characteristic, background, and any other supported data that can...

Traditional myoelectric prosthetics are often prohibitively expensive due to space constraints, high motor costs, transmission complexity, advanced technology, custom fitting, and premium materials. This study aims to develop a cost-effective, functional, and accessible myoelectric prosthetic wrist that...

In the petroleum industry, a large quantity of oil-contained wastewater is produced every day. This kind of wastewater normally contains oil droplet from 100 to 1000ppm, which is characterized by tiny oil droplets, dispersion, stable, uneasy to reunite float. The conventional methods such as demulsification...

In view of the formation combat optimal control problem, integrated rally - keep - attack formation control algorithm is put forward to minimize the overall energy. Equations of state have been established while considering the dynamic characteristics of members, the delay of control system, and target...

The article established mathematical models to gain the temperature field of water in a bathtub of different shapes. At the beginning, the basic model including heating and cooling model is established on condition that the bathtub is 1.8 0.7 0.8 cuboid without a person in it. Afterwards, the shape and...

A monolithic Cu-Mn-Ce oxides supported on a ring of silicon carbide (SiC) with molar ratios 1:2:1 were prepared by the sol-gel combustion method without any binder. The catalysts were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Brunauer-Emmett-Teller method (BET)....

A novel route was developed to construct luminescent lanthanide-based mesoporous materials. Ligand 2-(2-hydroxyethyl)carbamoyl-benzoic acid (L = HCBC) was synthesized by modification of phthalic acid, and then was introduced into a preparing MCM-41 host by the reaction between the hydroxyl group and...

Aliphatic chains and cyanoacetic acid could improve the solubility and the optical and electrical properties of small molecules. Novel D-A type conjugated organic molecules composed of central carbazole units and cyanoacetic acid terminal groups have been designed and constructed. Optical properties,...

In order to obtain the efficient fertilization patterns for maintaining soil fertility, this research adopted the field experiments to investigate the effects of eight different fertilization patterns on the soil microbial biomass carbon and nitrogen (SMBC, SMBN) in the wax gourd- pepper crop rotation...

Eco-friendly energy sources (Renewable sources) are being adopted more extensively because of higher power bills and concerns over the environmental impact of fossil fuels. Photovoltaic (PV) panel arrays are the primary means of capturing solar energy. Even one panel in an array loses a significant amount...

The construction of the Trans-Sumatra Toll Road is estimated to cost up to IDR 476 trillion. The delay in the construction of the project is considered to be detrimental to state finances worth IDR 3 trillion per year. This figure is compiled from various sources by assuming a total increase of 10–12%...

Cement solidification is one of the most widely used methods of sludge improvement, but the cement production process generates high CO2 emissions, thus a low-carbon curing agent is required. The purpose of this research is to explore the feasibility of sludge solidification by cementitious materials...

The aim of this study was to investigate the effect of EPEG with different molecular weight on the early strength of polycarboxylic acid superplasticizer. Through experimental testing and analysis, it was found that the early strength of polycarboxylic acid superplasticizer could be improved by appropriately...

In view of the security risks in live breaking and joining leads of 10kV cable, a kind of insulation support frame, which could fix cable leads effectively, was designed. Its mechanical strength was checked. Its mechanical behavior and electrical performance could meet the requirements of the regulations....

Surface irrigation under different irrigation techniques is evaluated in this research, based on water applying method, water infiltration depth, and irrigation water use efficiency. For that purpose, field experiments were conducted using cotton grown in silt loam soil at Wuqiao Eco-Agricultural Experimental...

Wireless communication network is a key component of Electric Energy Data Acquire System. With the increasingly complicated communication environment, it is essential to detect the Interference introduced by other systems and provide the priori information for the Subsequent interference suppression....

The effect of ultra-high temperature processing on the quality and flavor of watermelon juice was evaluated. The temperature of 120 and 135 oC was effective to reduce the total flora count to 2 LogCFU/ml and reduce the color variety of the watermelon juice. However, the higher temperature leaded to a...

According to the production process characteristics of transit crude oil depot, the evaluation model for the major energy-using equipment in crude oil depot was established. According to the law for energy conservation and transformation, the energy balance equation for crude oil depot was established....

Aiming at the rapid response and speed ripple of direct torque control of asynchronous motor, a fuzzy neural network algorithm based on stator flux model is proposed to achieve the selecting of switch state under low-speed. By using automatic generation of fuzzy neural network algorithm, real-time adjustment...

Distributary channel is the main type of sand bodies in shallow delta plain. Based on logging geology, sedimentology, sequence stratigraphy and development geology, we systematically analyzed single sand body in the compound distributary channel of shallow delta. Shallow delta plain has well-developed...

Active crude oil water plugging is a kind of water plugging technology without damage to the reservoir selectivity, and can achieve a good water plugging and enhancing oil production of purpose. Aiming at some problems existing in water blocking activity of crude oil research, research and solve some...

The non-probabilistic reliability theory is introduced to assess bridges which are in active service. A model of simply supported girder bridge is built based on this theory. Theoretical method and failure point optimization method based on the finite element software are used respectively for computation...

this paper puts forward the monitoring and measurement methods on energy consumption of virtual machine in the cloud data center, establishes energy consumption model of virtual machine system and virtual machine migration. The usual migration method of virtual machine uses heuristic algorithm to allocate...

The crop capacity in different soil and climatic zones depends on implemented technologies of tillage and sowing, crop rotation and type of work tools of the machinery complex. In every zone, main and additional tilling should be made with different work tool types and to different depth corresponding...

In order to solve that the single execution component and mechanics-motor composite braking cannot meet the braking requirement of electric drive high speed tracked vehicle, the method of mechanical brake, motor and electro hydraulic retarder composite braking is proposed. Through the analysis of the...

A covariance shaping adaptive Kalman filtering method is newly presented to improve the positioning accuracy of MIMU/GNSS tightly-coupled integrated navigation system for UAV. A dual channel parallel filter scheme with the adaptive filter is proposed to improve the real-time performance and make the...

In this paper, based on large data for clean governance evaluation technology, the terminal communication access their own data and the correlation data for big data intelligent access to cleaning, warehousing management assessment, implementation based on RCM/RBM and LCC communication equipment state...

The need for aluminum material as the main material in the production process of the transportation and construction industry is increasingly needed because aluminum is a light metal that has high ductility, is resistant to rust, and is a good conductor of electricity. The problem is that aluminum has...

This paper reports the design and analysis of a novel pyramidal horn antenna based on Micro Electro Mechanical Systems (MEMS) technology, which is used in terahertz (THz) applications. The structure of the antenna includes two parts, pyramidal horn structure and rectangle waveguide for feed, the fabrication...

In order to achieve color fabric without dyeing, people dedicate to the research and development of green textiles. Structural coloration, also known as physical chromophore, with high saturation, high brightness, never fade, environmental friendly, By analyzing the structural coloration of the Mechanism...

Combine with examples of successful projects, use of mature technology flexibly, analysis of narrow space of deep foundation pit engineering design, provide a reference for the design and construction of similar projects

In order to solve the problem of pollution in the strip steel pickling process, we propose a new process of wet shot blasting, adding water system in the conventional shot blasting equipment. Through the finite element software ANSYS/LS-DYNA, we conduct the dynamic simulation of dry and wet shot blasting...

Co-simulation technology has been widely used in the design and research of complex mechanical systems. The co-simulation based on ADAMS and MATLAB is summarized, and the related software is introduced. Taking eccentric connecting rod as an example, the output torque of MATLAB is the input parameter...

This paper presented an approach for modeling and implementing the architecture of large scale sensor networks(LSSNs) information services applications using publish/subscribe (Pub/Sub) paradigm. Considering the high level abstraction and the dynamic characteristics which were necessary for large-scale...

Based on the analysis of basic operation process of the IS-IS(Intermediate System to Intermediate System)protocol, the paper provides a LSP (Link State Packet) diffusion model of the IS-IS protocol with the GSPN(generalized stochastic petri nets). And the simulation results show that the router’s load...

The paper presents results of theoretical research of effect of transverse compression in a shear span zone on webcrushing strength of I-shaped reinforced concrete beams. The hypothesis of an increase of web shear strength in case of clamping by prestressed external strengthening transversal reinforcement...

At present, most of the image dehazing treatments have residual haze at depth of field and obvious over-enhancement phenomenon in bright area. To solve these problems, we propose a new method of fast image dehazing based on the atmospheric veil. Firstly, we use the total variation model to estimate the...

Accurate and rapid control of the temperature of electric heating furnace in industrial production has important practical significance and application value. In this paper, the electric heating furnace temperature control system is designed based on C51 microcontroller, equipped with temperature sensors,...

In this pandemic, E-Commerce becomes one of the best choices for people to fulfill their needs and wants. Tokopedia, Indonesia’s largest E-Commerce application, gains benefits from the increasing number of its monthly web visitor. Unfortunately, recently it suffered from a data breach that leaked most...

Because of the strong alkalinity and large amount of heavy metals in red mud, many countries have paid more attention to red mud. According to the traditional treatment method, an innovative scheme is proposed in this paper, which uses red mud (RM), ground granulated blastfurnace slag (GGBS), fly ash...

A safe and comfortable urban settlement is an area with easy access to public facilities. Research related to improving the quality of urban settlements provides a clear direction for accessibility and infrastructure. The complexity of urban settlement characteristics takes time in collecting data; therefore,...

This article describes some influences factors and growth mechanism of cross-linked polyethylene electrical trees. There are three main factors which are water trees, temperature and voltage levels. Growth mechanism includes growth mechanism of conductive type electrical trees and growth mechanism of...

Environmental performance audit has become an effective management tool for environmental management. In this paper, it takes the concept of ecological environment and ecological environment performance evaluation as the breakthrough point, combined with the evaluation criteria of government environmental...

Research the law of price fluctuations under the fresh agricultural sequential auction based on the auction theory; use Kunming International Flower Auction Centre (KIFA) as an example for empirical analysis. After appoint the study object which is the rose of 80 cm length for the B level (network) named...

People's living standards have improved with the development of society, and concerts have already become part of our daily lives. Though there are thousands of pop concerts around the world each year, the interaction between idol and fan during the show is still primitive and limited, and almost every...

Permutation flowshop scheduling problem with maximum and minimum time lag constraints to minimize the makespan is considered, and a framework of partheno-genetic algorithm for the problem is presented. Based on the algorithm framework, two gene exchange operators are discussed, including single-point...

The paper utilizes the linear transformation in the analysis of covariance matrix of observed values about natural phenomenon, while computing eigenvalues, the corresponding determinant value is calculated , at last the relationship between the eigenvalues and determinant value is given.

We could take this subject as a mathematical project which is based on known measurement time and shadow vertex coordinate data, then solve the measurement location and date questions. We shall transform it into an optimal solution of the optimization problem, the constraint condition and objective function...

Now, the iPhone/iPad have been widely used in the daily life. If we can apply this into the healthcare field, it will improve the efficiency for the doctor to scan the medical images information. In this case, we designed and developed a DICOM image portable browsing terminal system based on the iOS...

It has been found that design knowledge management is facing many problems in product design. In order to improve the design of knowledge sharing and reusability, the research of function knowledge ontology model has been carried out, which include extended device ontology and way of function achievement....

Identifying whether housing prices have misled the market or not at present is an important topic in real estate regulation management in China. Many scholars believe that house prices cannot mislead the market, and try to attribute the rapid rise of house prices to factors such as excessive investments...

This paper analyzes contextual landscape urbanism in different periods via two typical cases. And it explains the reasons that we conserve characteristic and contextual factors in landscape urbanism. Paper claims that accompanying city expanding, it is necessary and important to keep urban’s unique historical...

Wind turbine power curve essentially captures the wind turbine performance which shows the relationship between the wind turbine energy output and hub height wind. This paper presents a reasonable method to model power curve of a wind turbine, and compares with measured power curve based on IEC61400-12....

With the rapid growth IoT (Internet of Things), indoor positioning system has attracted significant interest, especially in complex environment. UHF RFID system has the potential to estimate the accurate location of indoor objects due to the long reading range and multi-tag identification capability....

For a micro partial admission impulse turbine design, the present study analyzed the variable working conditions by numerical methods. The results indicate that the impact loss on the blade cascades will increase under off-design rotational speeds; the influence of admission fraction on the inner efficiency...

Based on Finite element method (FEM), analysis of natural frequency and dynamics response is carried out in this work. Firstly, modeling of rotor system in steam turbines is analyzed with Euler-Bernoulli beam element. Secondly, natural frequency of the rotor system is obtained and compared. Thirdly,...

The development and inheritance of Central Plains martial arts, as an intangible cultural heritage, is in a difficult period. But the advantages of information networking technology, such as fast transmission, wide audience, strong interactivity, and rich information have provided a new technical means...

The spatial distribution of urban surface water plays a significant role in the local environmental conditions, so it is important to optimize the spatial pattern of urban surface water environment. In recent year, with the rapid development of GIS and RS, its technologies have been used widely; GIS...

A new direction-of-arrival (DOA) estimation algorithm based on signal subspace rebuilding (SSR) is proposed for wideband sources. In the proposed algorithm, the signal subspaces are filtered by SSR to reduce the effect of the direction vectors of non-supposed directions. The signal subspaces of each...

Since the region near the CO2 welding of short circuiting transfer process of weld pool of light intensity changes, seriously affect the real-time and reliability of weld seam feature extraction, the application and development of CO2 welding seam tracking technology based on vision has been severely...

PD control, short for Proportional-Derivative control, is a type of feedback control where the control signal is a linear combination of two terms: proportional to the error signal (the difference between the desired setpoint and the actual output) and derivative of the error signal. It is a common method...

Currently, TiVN and TiVCN coating are not prevailing in the literature. Only a few publications are revealed with basic properties. In this study, the TiVN and TiVCN coatings are deposited by using cathodic arc deposition system with Ti and TiV alloy dual targets. The result shows that V and C addition...

As a key component of power transmission and distribution systems, HV reactor bushing made of porcelain have suffered serious damage in previous earthquakes. In order to enhance seismic ability, the new type bushing made of composite material has been used in high seismic fortify-cation intensity projects....

The non-equilibrium plasma has unique advantages in ignition and combustion. In this paper, the plasma-assisted combustion scheme of the spacecraft rocket engine is designed. The numerical simulation method is used to study the influence of non - equilibrium plasma on the combustion in GH2/GO2 single...

In order to understanding of the fate and transport of TiO2 nanoparticles (Nps) in the water treatment process, this study focus on the particle surface characteristics and coagulation process at different anionic surfactant sodium dodecylbenzene sulfonate (SDBS) and cationic surfactant cetyltrimethylammonium...

Assembly line balancing research is a key for the modern production. The implementation steps of genetic algorithm are proposed in this paper and it is used to optimize the assembly line balancing problems in engineering practice. The genetic algorithm operators based on feasible operating sequences...

Summarizing the existing rigid-flexible composite pavement structure types in service, the paper recommends two pavement structures , adopts the method of expert evaluation of index quantification, sets up the quantitative evaluation model for asphalt pavement structure layer selection and works out...

In order to study the influence of the design parameters of baffled demister, the efficiency and the pressure drop of the inlet and outlet of the blade with different structure parameters and operating conditions were calculated by using the discrete phase model of Fluent. The results show that the parameters...

Combining with the environmental load characteristics in the East China Sea and the existing floating foundation types, by analyzing the applicability of the floating foundation in the target area, it is considered that TLP and Semi-submersible foundation are suitable for the floating wind turbine foundation...

As migration technique for table spaces of enterprise database is required in multi-user inventory management systems, in this paper we investigate automatic migration technique when database performance is found declined by our monitoring system. Two methods are discussed, timing automatic migration...

Novel organic molecules composed of central 1,1'-binaphthalene-2,2'-diol have been designed and constructed via the Vilsmeier-Haack reaction, which offers a much milder and more efficient route over three steps. Optical properties of the resulting molecule were examined by UV-vis and fluorescence spectroscopies...

Organic light-emitting device have been realized by using 4,4',4''-tris{N,- (3-methylphenyl)-N-phenylamin}triphenylamine ( m-MTDATA) N, N'-bis- (1-naphthyl) -N, N'-diphenyl-1, 1'-biph-enyl-4, 4'-diamine(NPB) 4, 4 (-N,N)- dicarbazole-biphenyl (CBP) and NPB:CBP as holes injection layer, respectively, and...

This study aims to establish a stock portfolio following Sharia principles under the premise that investors with Sharia-compliant attentiveness will not only focus on financial risk and return. Implementation of criteria following Sharia principles also needs to be considered, given that there is a prohibition...

As a result of abnormal heat – a manifestation of climate change – in recent years, the grapes reached maturity considerably earlier than usual; the process of changing the sugar/acidity ratio in early-ripening varieties slowed down significantly, while in late-ripening grapes, the rise in sugar content...

A pulse signal generator is designed to deal with the testing of the pulse counters for the measurement of the neutron fluence rates. It contains a microcontroller and a pulse generator circuit which consist of a high speed DA converter and a clock based on DDS to realize a square wave output with a...

In this article we put forward a new embedded scalable fire rescue equipment which is based on system thinking, and combined with fire refuge floors of high-rise buildings, matching with special firefighting media transmission and fire control system. Thereby supporting the design of a PLC-based fire...

Wechat is a popular social platform developed in 2011 by Tencent. In this paper wechat traffic is analyzed by a novel hybrid method, which combines statistical method, payload-based method, SVM, CRC and deep learning. Firstly, the statistical method is utilized to extract features from wechat packets...

Artillery barrels gradually ablate wear and tear in the shooting process, which reduced its internal ballistic performance and severely limited the artillery power and service life. In this paper, the mechanism of gun's ablation and wear is analyzed from three aspects: heat factor, chemical factor and...

In recent years, the development of the mountainous ethnic minority beautiful towns and villages has drawn people’s attention. This paper took the thousand Miao villages Xijiang as an example, studied and analyzed the development strategic on mountainous ethnic minority beautiful towns and villages....

The system of assumptions of the mathematical description of the process of chemisorption of carbon dioxide in a regenerative cartridge is formalized. The authors developed a mathematical model suitable for carrying out imitation studies of the static and dynamic characteristics of the chemisorption...

In analog circuit automatic generating fault tree field, several problems are as below: currently the fault tree model had not strong structural to provide the detail realization method to automatic generating fault tree and only used Support Vector Machine algorithm to automatic generating fault tree...

The paper presents a novel method for the spectrophotometric determination of trace Cu2+ after flotation separation using sodium chloride-ammonium thiocyanate-dodecyl dimethyl benzyl ammonium chloride system.The effects of the dosages of NH4SCN and dodecyl dimethyl benzyl ammonium chloride (DDBAC),various...

VOCs was one of main air pollutants. Fenton reaction was concerned because of its oxidation, high speed and high efficiency. In this paper, the Fenton reagent combined with UV was used to purify acetone gas, and the effect factors was studied. The results showed that the removal efficiency of acetone...

New high voltage watt-hour meters have the advantages of high precision measurement, low power consumption, information intelligence, etc. which are selected in more and more applications. This paper researched on the power supply of the new metering devices, designed a new power management unit based...

Abscisic acid (ABA) is a plant growth regulator with roles in strawberry fruit ripening. The objective of this work was to investigate the effects of (S)-cis-abscisic acid (S-ABA) application timing and concentration on bioactive compound content and antioxidant capacities in the field. Results showed...

In view of the present problems that the wooden block reinforcement effect is poor and can't solve the sliding problems caused by inertia of coupling impact. Now we plane to design a kind of new type flat car with chain-Strengthening-equipment to solve the loading and reinforcement problems of heavy...