Advances in Engineering Research

Coal is an important pillar of energy security and sustainable economic development in India. India is rich in coal resources, the rapid growth of coal demand was led with the rapid development of its economy in recent years. On the basis of systematic analysis of characteristics of coal resources, development...

Parts of assembly are mainly fixed and connected by bolts. The performance of the assembly can be affected by the dynamic characteristics of the bolted joints. Report focuses on designing a test bench by parameter analysis and achieving the dynamic analysis of the bolted joint. In the first part, the...

In the turning process, the force is a constraint factor that must be considered because a large cutting force will generally result in a high surface roughness value. Therefore, selecting suitable parameters for the turning process is necessary to minimize surface roughness (SR), cutting force (Fc),...

With the continuous enhancement of people's awareness of environmental protection and the plight of China's lack of oil, the development of electric vehicles has become a goal in China today. At present, one of the main obstacles restricting the development of electric vehicles is the lack...

BIM technology and prefabricated technology have evolved from ideal concepts to common application technologies, bringing many opportunities and challenges to the construction industry in general, and smart buildings in particular. According to the BIM model, through software technical means, to meet...

Conductive polymers are promising materials due to their unique combination of electrical conductivity, lightweight nature, and mechanical flexibility. This research is focused on the synthesis of polyaniline (PANI)-carbon nanofiber (CNF) based conductive polymer and their ternary nanocomposites comprised...

Mount Merapi is one of the most active volcanoes in the world and produces large sediments when it erupts. The Progo River is included in the Mount Merapi area, so this river will be affected by material from the eruption and has the potential to significantly change the morphology of the Progo River....

The photo-electrical properties of few-layer WS2 nanoflakes, fabricated by mechanical exfoliation, were systematically studied in this paper. The few-layer WS2 FETs are n-type and possess a high gate modulation (On/Off ratio is larger than 104) and a relatively high carrier mobility ( ). The photo-electrical...

Currently,there are some limitations of twxisting ways of obtaining the key parameter of quad-rotor aircrafts—mechanism analysis method and experimental method,that the first one is not adapt to varied environment and need a large amount of computation,the second one especially refers to wind tunnel...

Objectives: To prepare curcumin tablets, and evaluate their in vitro dissolution. Methods: Curcumin was dissolved in acetone, wet-granulation and tableting. The amount of Poloxamer 188 and Gremophor RH40 were chosen as factors, and the in vitro dissolution at 120 min was used as evaluation index. The...

In order to study the dispersion effect of chopped carbon fibers in fluid medium, an experiment was designed to disperse carbon fibers by explosion in the air while another was by ultrasonic waves in mixed solvent of ethanol and acetone. A characterizing method has been set up based on the number of...

In order to investigate the the mathematical model considering the skewness-parameter, which covers the shortage of long-span bridge in sensitive parameter analyzing. Random variable along with its statistic probability model is taken. The application of influence coefficient helps to build up a determining...

As a new type of energy, coal-bed gas plays an important role in the national resource structure. This paper introduce the principle and process of gas recovery of single coal-bed methane well, according to the analysis of faults occurred in the system of gas recovery of single coal-bed methane well,...

Aimed at that there are large numbers of users visiting high-level athletes’ management system, the control model of traditional access can’t fully meet the weaknesses of these requirements, proposing the idea of multi-rights management based on ARBAC02 model and establishing a new rights management...

In this paper, the new requirements for urban-rural planning management proposed in the Third Plenary Session of Eighteen have been discussed. It is advised that it is necessary to focus on the public interest, strengthen the supervision, improve the administrative transparency, improve the government...

A simple method to fabricate pyroelectric sensors array using standard semiconductor process on Silicon substrate was investigated. 600 nm porous SiO2 film was prepared by spin coating, working as ultra-thin thermal insulator. Good insulation property was achieved owing to its extremely low thermal conductance....

The ecological environment problems in open pit mining and the present situation of coal mining are analyzed. The traditional open pit mining aims at pursuing economic interests, which leads to serious ecological environment problems. Open pit mining will cause the comprehensive destruction of the solid...

Reinforced earth retaining wall is a kind of retaining wall which can bear lateral pressure of soil, which is made up of fill, stressed geosynthetics and retaining blocks. It can enhance the strength and stability of soil with the interaction between the reinforced material and the soil by arranging...

Companies operating in geographically dispersed locations require a management control system that allows global access to information, related the performance of different units, allowing all level of management to follow up and intervene when is necessary. Expansion of business to isolated areas with...

The morphology and dynamic mechanical properties of epoxy modified asphalt(EMB) were studied using dynamic mechanical analyzer (DMA) and fluorescent microscopy (FM). DMA results showed that dynamic modulus and storage modulus reached a maximum value when 5 wt % epoxy resins were added. However, the dynamic...

The article substantiates the importance of environmental safety and labor protection in industrial enterprises; special attention is paid to the content of fine dust. The problems of trapping fine dust particles in a centrifugal field with the help of vortex dust collectors of CSF are considered. To...

The toll station, served as the bond to highways, has always been the bottleneck to the capacity of the highway. Based on probability distributions and queuing theory, the thesis builds the quantitative model of capacity and calculates two evaluation indicators to analyze the drawbacks of the traditional...

We have fabricated two blue light-emitting diodes (LEDs) samples with p-type electron-blocking Layer and n-type hole-blocking Layer for the modulation speed measurement. The experimental results show HBL can improve the modulation speed better for blue LED. The energy bands and recombination rates of...

As the foundation of intelligent electric grid safe and stable operation, information security involves every node of electric information systems which are difficult to manage and have a large number of users. It is important that how to promote the level of information security internal control. This...

Coil misalignment often takes place in wireless power transfer (WPT) systems. It may result in decrease of transfer efficiency and system instability. In this paper the mutual inductance model and the circuit equation of Magnetic Coupling Resonant WPT (MCRWPT) are established firstly. And the influence...

This paper presents the design and simulation of a three-phase grid-connected fast-charging system for a 12 V, 75 Ah Nickel-Metal Hydride (NiMH) electric vehicle (EV) battery using MATLAB/Simulink. The proposed system integrates a three-phase active rectifier, a DC-link filter, and a buck–boost DC-DC...

This paper proposes a new simple tree with a fixed stent makes the transplant more safe and beautiful trees. The paper in order to put forward a new type of garbage can., mainly due to the improper waste disposal and litter bins filled leak, causing environmental pollution and cigarette butts caused...

Using the independent -cultivated molecular biology method, By Next-generation DNA sequencing techniques , Gene sequences of microbial groups for water samples collected from River-lake ecotone of Poyang Lake. water samples were collected form River-lake ecotone of Poyang Lake to determine gene sequences...

In this paper, taking the Dai-nationality dwellings of different materials in JingHong in Xishuaibanna as a research object, field tests for the thermophysical properties of wall materials in the sunmmer were carried out, that have tested the temperature of wall-surface and indoor temperature, and contrast...

Electrical capacitance tomography (ECT) is a technique developed in recent 30 years, which aims to measure multi-phase flow. The image reconstruction for ECT is an inverse problem to find the permittivity distribution in a pipe. The normalized capacitance measurements are needed during the process of...

A higher precision reconstruction method for MTF, not constrained by the slant edge angle, is proposed. The improved method adopts new techniques of gradient operator and moving window in ESP sample refinement to gain more accurate and robust MTF estimated results. Experiments show that the new method...

PP/MMWPE/EPDM monofilament was prepared by blending modify and its physical performance and the cost was studied. The results showed that the breaking strength of PP/MMWPE/EPDM monofilament was 16.8% higher than that of PE monofilament while its knot strength loss rate is 3.8% higher than that of PE...

Charging and discharging control of centralized charging station becomes more important in power system operation. In order to achieve a load shifting and wind power stabilizing, this paper presents a two-stage optimal scheduling model for centralized charging stations based on the considerations of...

Based on the theory of breakage mechanics, the structural soil are conceptualized as binary-medium model consisting of bonding brick and frictional band. Shear band is structural soils’ breakage, localization band sprout and development is dynamic process that bonding brick is translating into frictional...

At home and abroad, smart home, after more than ten years development is getting more and more widely welcomed. Smart home technology is developing rapidly, and with the emergence of IPv6, smart home based on IPv6 is becoming a trend. Meanwhile, security and privacy protection of smart home is receiving...

The reservoir of Late Cretaceous Yaojia-Nengjiang Formation in Songliao Basin was a large-scale delta complex formed in the transgression and regression period, which had the characteristics of sand body in distributary channel, mouth bar and sheet sand. The sand bodies extended to the lacustrine center...

At present the development of clean energy and sustainable development have become the main stream source of the world nowadays due to facing the serious global crisis of resources and environment. Investigation of energy situation and occurred problems of China and some typical countries, such as America...

As a new type of energy dissipation component buckling restrained brace overcomes traditional brace s drawbacks such as compression buckling inability to make full use of material s plastic hysteretic energy dissipation function when under pressure. Buckling restrained brace also has the advantage of...

The internal flow field model of valve spool and valve sleeve annular gap was established. The model was called oil film. The fluid motion state space was laminar flow by calculating of Reynolds number. The formulas about resistance torque and leakage of the valve spool and the valve sleeve annular gap...

Airport ecological community is a prospective subject of environmental protection, and is the development direction of airport building. But there is no universal set of formal evaluation system for airport ecological community. From the connotation of airport ecological community, this paper discusses...

On the basis of the main thermal recovery wells casing damage characteristics, the temperature rise of the casing-cement is clearly defined by the simulation analysis of thermal recovery wells wellbore temperature field at the end of steam injection. Based on the theory of thick wall cylinder in the...

Silica gel was modified with N-[3-(Trimethoxysilyl)propyl]ethylenediamine, following grafted with ethylenediaminetetraacetic acid (EDTA). The functionalized silica gel was used to readily absorb Cu(II) ion from aqueous solution forming SG-Cu, via the coordination of EDTA group on the surface of silica...

With more and more schools expanding and redesigning their landscape spaces, therefore their outdoor furniture’s shape, dimension, quality and usage are also changing and redesigning. One of the significant changes in the design process is to take users’ needs/concerns into account. This change is influenced...

Diseases, patients and society are closely integrated together. The role of evolution of infectious disease is associated with the design of hospital building, because of the extension characteristics of the diseases from an individual to the public in and outside the hospital building. This paper analyzes...

A Discrete Bat Algorithm (DBA) is proposed to solve the assembly sequence planning (ASP) problem. Several key technologies including the position and velocity of Bat Algorithm, corresponding operators for updating the position and the position of local search are redefined. The fitness function is established...

In recent years for refrigerated processing of poultry, development and introduction of different apparatuses operating on the principle of the direct contract with carbon dioxide have been conducted. The disadvantages of the used contact apparatuses operating using carbon dioxide are: relatively low...

For the international maritime organization (IMO) has decided to implement 0.5% of global sulfur restrictions by 2020,the paper focuses on three main countermeasures,advice on the relationship between the advantages and disadvantages of the three countermeasures shall be given.It is hoped that the plan...

This note makes a comparative study of multigranulation rough set model and generalized rough set model. It is pointed out that the pessimistic multigranulation rough set model (PMGRS) is a kind of generalized rough set model, it is induced by a reflexive and symmetric relation on the universe. On the...

This research focuses on studying harmonic disturbance conditions that have the potential to arise at DC traction substations caused by non-linear loads, namely rectifiers. In the DC railway traction substation system there is a rectifier component whose function is to convert AC power to DC. The aim...

Steam power plant is one of plant of electricity needs that has great potential in energy supply and is an alternative to electricity needs in Indonesia. This study reviews the thermal performance of a steam power plant’s condenser, focusing on its exergy efficiency and heat transfer rate over five different...

With the rapid advancement of mobile robotics, vision-based target tracking has shown great potential in intelligent warehousing, service robotics, and autonomous driving. As a key technology for autonomous navigation and environmental interaction, target tracking plays a crucial role in enhancing the...

Aircraft optical pods, the core of aviation optoelectronic systems, must maintain ≤ 0.1mrad optical axis stability under -40 ℃ ~80 ℃ temperature alternation, 10-2000Hz vibration, and 3-5g overload. Traditional aluminum structures suffer 0.2-0.5mm thermal deformation, while existing studies neglect the...

With gradually increasing scarcity of traditional energy sources and electricity load, distributed power being environmentally friendly, efficient, with flexible features has attracted wide attention. Development of distributed power generation technology and the establishment of new power grid containing...

In this paper, monitoring software based on principle and structure of distributed optical fiber fire detection used to observe the temperature of the cable laying and realize the real-time alarm is designed. It was written in Qt Programming language with cooperation of optimization design of the signal...

In view of the negligence of unbalanced development between regions in current research on the energy rebound effect in China, we provide a calculation method based on stochastic frontier production function. By using China's provincial panel data from 1977 to 2014, this paper estimates energy rebound...

The food detection data plays an extremely important and indispensable role in the evaluation of food quality. However, there are a number of detection items based on different evaluation standards for a product. The detection items can be divided into four categories: optimum index, negative index,...

In this paper, characteristics of distributed energy system powered by gas turbine and gas-fueled internal combustion engine are analyzed. System configuration scheme was designed based on meteorological condition, internal load demand and time of equipment utilization. Compared with conventional energy...

The potential energy of rain has certain potential in power generation. This article used the technology of cross flow rainwater power generation. In order to achieve the highest efficiency of rainwater power generation, this paper established a reasonable distribution model of generator in pipeline...

This topic involves graphene Nafion composite. Graphene is prepared by using hummer’s method, thus the functional graphene. The functional Graphene-nafion composite has excellent electrical conductivity, thermal conductivity and mechanical properties. Therefore, it can be used as the preparation of high-strength...

In view of the disadvantage of the current method for target detection that poor efficiency and poor real-time, a novel method of target detection based on digital image processing technology was proposed. The traditional normalized correlation template matching algorithm was improved via setting optimal...

Ground vibration resulting from blasting, has become a critical environmental issue with the increasing mining activities in areas close to human settlements and many a times the locals resist the blasting even though it is not causing damage to their structures. In general, apprehensions or perceptions...

In the process of the automated mechanical transmission operating,one pair of cogwheels are engaged with the other idling.Because both gear pairs are supported on one shaft,the states of them will be mutual coupling.By analyzing the meshing stiffness,mesh damp,support stiffness and coupling state via...

Based on the analysis of current developing state of graph theory, define the description of spacial moving capability of common couples and translation base and rotation base of mechanism, based on the new description method in topological graph theory. DOF(degree of freedom) of hybrid mechanism analyzed...

Technology has evolved, especially in the field of air transportation. The dynamic of air transportation technology have seen through the competitions between airports all around the world, when the airports strive to serve as many passengers as possible and provide modern infrastructure along with the...

The surcharge preloading method is reproduced numerically in this paper. The plastic vertical drain is simulated using the drainage surface and the embankment is represented by equivalent load. The results show that the settlement and the pore pressure are correct, which can be used for the future engineering.

This research aimed to study the effect of retardants concentration on the inhibition of apical shoots of rubber rootstock and analyze the relationship between the apical bud dormancy and grafting success relating to the influence of retardants. The study was conducted in the Teaching and Research Farm...

Liquid smoke or bio-oil is a renewable energy source that is the result of combustion or pyrolysis of raw materials containing hemicellulose, cellulose, and lignin that can be used for various purposes, both food and non-food applications. The content of anti-microbial and anti-oxidant compounds in liquid...

In order to solve the problems of high viscosity and slow flow rate of high-strength concrete. Using EPEG type low molecular weight large monomer as the main raw material, the effects of the acid to ether ratio, the amount of bottom liquid acrylic acid, the amount of chain transfer agent, and the amount...

Sign language, for deaf-impaired people, plays an important role in communication. In this paper, we devise a Taiwan Sign Language recognition system. We use the Kinect2 sensor to get data from 94 sign morphemes shown once by 4 people, and extract hand shape features and trajectory features from depth...

The measurement and control system works under the non-coherent system. When the nominal frequency of the star is not consistent, the velocity measurement results introduce the system error. In order to eliminate this kind of influence; this paper analyzes the influence of the inconsistency of the nominal...

Failure behavior of metal materials under impact loading has become key research content in industrial manufacturing field. Especially in the field of weapon research, 35CrMnSi dynamic figure behavior in the serving process attracts relevant weapon manufacture researchers’ extensive attention. In order...

Enormous amount of information on the Internet, there are several of information and it is so complicated. Information retrieval is of blind and too much redundant information is in search results. In order for a user to much more effective at getting the information they needed, This paper researches...

With the construction of large-scale wind farm, most of wind farms' geographical environment is more open, vulnerable to line switch tripping caused by large-scale wind power failure. Therefore line lightning protection becomes important work of wind farm construction. In this paper, lines lightning...

An entity business based big data trading platform will be researched and designed against the defects of the traditional large scale business under the environment of big data. The platform will follow five steps: step one, use hardware equipment to collect basic information of the merchants, commodities...

Lithium-ion battery (LIB) technology further enabled the information revolution by powering smartphones and tablets, allowing an unprecedented performance of these devices against reasonable cost. Currently, this battery technology is on the verge of carrying the revolution in road transport and energy...

Vegetation cover not only takes as an import parameter for monitoring the vegetation situation of land surface , but also is an important indicator indicates the quality of the ecological environment and its changes. Therefore, in this paper , The Landsat TM images of 1989 and 2011 was used to extract...

WC-Cr3C2 reinforced Ni-Cr layers using self-made Ni55 alloy powder were deposited on a medium carbon steel by laser cladding in this work. From the results of contrast wear tests in dry friction and in distilled water, we found that water plays few lubrication in the process of friction and wear, but...

In the present work, we compare the photocatalytic activity of titania samples normalized to the sample weight and specific surface area (SSA), and show a correlation between the PCA of titania catalysts with similar phase compositions and amorphous phase contents. Catalysts with a significant amorphous...

Genetic Algorithm (GA) is a very effective optimization solution method. It can provide faster and better results than some traditional optimization methods for the control structures and control functions in the control field. It can be said that the intelligent connection of GA and CAD software packages...

Owing to the high performance of borate crystals, they are widely used in the fields of mobile communications and other high technology. Researches on thermodynamic properties of aqueous borate systems are essential for the synthesis of borates and the comprehensive utilization of boron-containing brine...

Essential oils can have an impact on behavioural responses of cigarette beetle (Lasioderma serricorne). In this study, we provide evidence that some chemical compounds in essential oil of tobacco (Nicotiana tabacum) leaves, which were subjected to hydrodistillation and extracted with n-hexane, can strongly...

The delay difference of the link has an effect on the diversity performance of the FM mode diversity, and may even cause the system to demodulate abnormally and can not stably track. Based on the diversity of FM mode and the principle of angular error demodulation, this paper analyzes the influence of...

Coconut (Cocos nucifera) is a plant belonging to the Arecaceae family with a myriad of uses. Virgin coconut oil (VCO) is one of the products that can be derived from this plant. The free fatty acid content, especially lauric acid, determines the quality of VCO. There are several methods of VCO production,...

Customer satisfaction has become a crucial metric for the business sustainability of Internet Service Providers (ISPs) amidst fierce industrial competition in Indonesia. Automated sentiment analysis on social media offers a solution to efficiently monitor public opinion. This study aims to comprehensively...

With social progress and economic development, people's living level gradually improve, tourism has become an essential part of modern people's life. At present, many developed countries of the tourism informationization level has reached a higher level, and the informationization development of tourism...

The overflowing property of the restricted orifice how to affect volute pressure and the surge level under the condition of large fluctuation and the output swing of the unit under the condition of the hydraulic disturbance were studied. Combining with the engineering features of three adits sharing...

Neighborhood communication is concerned not only by socialist, but also by architects and planners. In the smart city trend, digital technology has changed the way of our living; it can bring some new opportunity to solve the problem in neighborhood communication of the industrial age. Base on the analysis...

Many scientific and irrational factors exist in the cultural development of the country, in the current housing reconstruction project in the village, residential style, building materials, and architectural culture are not conducive to the Wa architectural culture, history, culture and home and other...

In order to solve the problem that different types of wind turbines accessing to the power gird has great influence on protection configuration and setting calculation, a fault current calculation model of doubly-fed induction generator under rotor excitation control was established when symmetric or...

Video surveillance becomes far-reaching thanks to the Internet. The IP camera having both photography and video output functions becomes the primary component in network video surveillance; the bandwidth of the network passageway is fixed but the traffic is changing. In the event of network jam, there...

Portable computer modeling design is mainly about different shape elements on decomposition and combination, including dots, lines, surface, body, color, texture etc. In order to make all the shape elements to be highly harmonious and acceptable, computer producers have to use the methods of unity and...

The purpose of this study is to explore the safety performance of short left-turn lanes at unsignalized intersections, where it is often impractical to provide the standard lengths either when the available length between two adjacent opening is inadequate or when heavy left-turn volumes leads to demanding...

It is often necessary to carry out an analysis of piles for horizontal loads in the process of designing buildings and constructions. There are various ways to perform such analysis. So, Professor B.N. Zhemochkin suggested calculating a pile as a rod in an elastic half-space. More details about the assumptions...

Numerical simulation is more and more widely applied in the field of engineering construction and it is proved effective. But if geologic conditions of the construction are complex and the model is large, the conventional modeling method is difficult, time-consuming and inefficient. For that purpose,...

For the purpose of predict the electrical characteristics of black silicon solar cells, a simple lumped-parameter equivalent circuit model is proposed. This model is in the form of electrical equivalent circuit which contains one diode, one current source and two resistances. The model contains linear...

This thesis builds the optimum programming model based on fluid mechanics. Under the premise of a fixed number of lanes, L, with the shortest passing time as the optimization target, this thesis determines the best plan for the number of tollbooths, n, which provides the preliminary basis for the design...

With the development of China's economy, its dependence on foreign oil increases every year. Therefore, oil reserves play a vital role in ensuring China's energy security. The selection of a base site for the construction of strategic oil reserves is a priority. This study analyzes the status quo as...

In this paper, a new three dimensional Lorenz-like chaotic system is reported. Nonlinear characteristic and basic dynamic properties of the three-dimensional autonomous system are studied by means of nonlinear dynamics theory, including the stability and the conditions for generating Hopf bifurcation...

Additive manufacturing has made it possible to design and print complex geometric components that could not be achieved with traditional manufacturing methods. With the current limitations in optimizing the surface topography of printed parts, efficient cutting process parameters are essential for optimal...

An evaluation of criteria is necessary to determine the achievement of each teacher who is a potential candidate for the PPPK selection, including the need to identify the criteria of teachers who are eligible to pass the PPPK selection. This research aims to evaluate teacher criteria in supporting decision-making...