Advances in Engineering Research

This paper employs a revised input-output model to empirically investigate the CO2 emissions embodied in export based on the input-output (I-O) table in China from 1999 to 2008. The key results indicate the carbon emission embodied in exports has risen from 0.38 Gt in 1999 to 1.19 Gt in 2008, in which...

Construction is one of the major industries that generate wealth to China. Construction industry contribute a large of portion of solid waste stream which causes the grave negative impacts towards environment and ecosystem in China. There are increasingly serious problems that are faced by Chinese government...

For the reliability problem of the 90 ° bend optical fiber embedded FR4 substrate in the bad service environment especially for military, the easily failure area of this modal under environments of random vibration and characteristics of interface cracks extending are researched. Firstly, modal analysis...

In this study, a new type of mechanically adjustable fluid viscous damper is developed for specific requirement. According to its operating principles, the output force of the damper is derived based on N-S equation. As a third-generation fluid viscous damper, the damping coefficient can be adjusted...

Virtual instrument technology is a connection of general computer and functional hardware module. It is defined completely according to the needs of the user to achieve and extend the functions of the traditional instrument. This paper describes an emulator of machine-electron subsystem based on LabVIEW....

a DFIG high voltage ride-through method with the consideration for the safe operation voltage of the generator unit is proposed in the article. Based on the dynamic reactive support capability of DFIG, during grid voltage swell, the reactive powers outputted by the grid-side converter and the generator...

Due to the limitations of the field of training corpus, the Chinese word segmentation based on statistic results in poor self-adaptability in the field. In view of the difficulty of obtaining large-scale annotation corpus in the target area, this paper proposes an area adaptation method that combines...

The 20th witnessed the resurgence of China’s civil society through the rapid growth of civic environmental non-governmental organizations (ENGOs). Especially since the mid-2000s, ENGOs have gradually begun to pursue policy relevant goals and play a vital role in policy formulation. The political opportunity...

Bandelet transform has undergone two generations of transformation theory development, its main application areas are image sparse expression and image compression, which penec for the first bandelet transform has made an important contribution, it not only involved in the first generation bandelet transform...

Information and cyber security has gained considerable importance as safety of the Industrial Control Systems (ICS). Both safety and security deal with risks. Risk assessment is an essential component of safety and security assurance infrastructure mechanisms. Considering the negative or uncertain influence...

Vibrating screen is one of the important washing equipment in coal washery, and it is mainly used to grading, dielectric recovery, raw coal cleaning, etc. The safe operation of vibrating relates to the coal mine production safety directly. After continuously run for a long time, various faults of vibrating...

To study the effect of surface roughness on the ventilation tunnel wall friction coefficient, the fluent software model was used by changing the height and distance of the tunnel roughness elements and cross-sectional diameter to observe the influence of these control factors in tunnel ventilation. The...

In order to solve the problem of the enterprise website access efficiency gradually declined, and resuting in poor quality of integrated service,This paper introduces the systematic and operability website performance optimization in detail, and then discusses the methods and techniques of the website...

In consideration of Chinese policy on comprehensive regulation of volatile organic compounds(VOCs) and sewage charges, several methods for quantitative calculation of respiratory loss in crude oil tanks are analyzed and compared to evaluate the VOCs emission of petrochemical enterprises reasonably, including...

The weak axis of I-section column welded the vertical stiffener to simulate the form of strong axis connection. The seismic behavior of joint region and the affections on the ultimate bearing capacity of beam by changing the thickness of skin panel have been analyzed. The hysteretic behavior of joint...

The shifting of layers has great effect on the permeability which is a key parameter in resin transfer molding (RTM). In this paper, a mathematical model was developed to predict the out-of-plane permeability of 0°/45° alternative multilayer fabrics with one extreme structure. The global permeability...

A new cationic type asphalt emulsifier of 2-diethylenetriamine methylene-4-nonylphenol was synthesized by the reaction of nonyl phenol, diethylenetriamine and formaldehyde. The synthesis process was detected by online FTIR technique and the intermediate was found. Based upon the experimental information,...

In the paper a new solder is made by adding trace LaNd into Zn9.3Al7Cu alloy to improve the performance through alloying principle. The impact of the content of LaNd on physical properties of Zn9.3Al7Cu solder is investigated. Results show that the density of solder alloys increases with the increasing...

By making use of the experimental system of explosive load digital laser dynamic caustics, it is to carry out dynamic crack analysis for the tip crack initiation and propagation process of precracks near the blast hole and study the directional crack controlled blastting mechanism, thus obtaining changes...

During mining activity, the natural equilibrium of the rock mass gets altered resulting in increase in stress causing sudden, violent failure of rock mass. The stress increases with increase in the depth of mining. The dynamic stress changes caused due to release of strain energy from within the rock...

Geothermal water is a material widely used to provide thermal energy for heating supply in China. To protect the water resource, save energy and ensure the sustainable economic development, more attention must be paid to reach the rational utilization of the geothermal water. In this paper, gradient...

this paper constructs regional recycling economy and its concept model from perspective of system dynamics, it adopts comprehensive weighting method of AHP +entropy method to confirm and analyze weight index of model, and it innovatively uses TOPSIS method, which makes evaluation process much more simple...

It has been proven to be an effective method for reducing the friction and wear of two contact surfaces by introducing a hydrodynamic lubrication mechanism. A linear trapezoidal groove was proposed to accommodate the bidirectional rotation of the planetary gear. Cavitation and fluid rotation centrifugal...

A kind of nano-silica fume coating rubber composite particles was prepared by the Particle Composite System (PCS), and the adhesion performance of composite particles was tested by the high-speed agitating test, the composite particles were filled into the oil well cement slurry to toughen the oil well...

The use of electrical energy is becoming increasingly important in Indonesia, but the energy used is still dominated by fossil fuels by 87.64 percent. As a result, research is required to develop new energy sources. One of the renewable energies, the presence of a permanent magnet power plant, converts...

The present experimental research work aims to investigate how water spray cooling of the surface of solar panels affects the electrical performance, particularly the output voltage. A series of solar panels were tested at various cooling temperatures. Without cooling, the average output voltage of the...

In this paper, the optimization of the performance and exhaust emissions of a dual-fuel diesel engine experimented with Palm Oil Methyl Esters (POME) and LPG was carried out using Taguchi Grey Analysis, Regression Analysis, and Adaptive-Neuro Fuzzy Inference Systems (ANFIS). The JAYA algorithm was employed...

This research addresses the challenges faced by Bank XYZ in assessing loan eligibility through manual analysis of customer data. Utilizing Data Mining techniques, specifically Naive Bayes and Random Forest algorithms, the study aims to enhance the accuracy of classifying customer patterns. The implemented...

In wireless sensor networks, traffic load moment node are changing ;the basis of CSMA protocol for idle channels not do effectively. To address this problem, analysis the lack of basic CSMA protocol, in order to improve the utilization of CSMA protocol idle, we come up with a new protocol which is the...

Targeted at general testing process and index of multiple types of subway locomotive, combining the reality of subways in Dalian, this paper used adaptive particle filter and labview to design a multipaneled detection system for subway running.Actual survey shows that inner race fault and rolling bearing...

Based on micro gas turbine, a wind-solar-gas complementary system was presented to explore efficiently method of new energy utilization. The output characteristics of photovoltaic power and wind power genera-tion were introduced in detail, and the power output according to the corresponding influence...

Caused by the manufacturing process and equipment, dimensional deviations occur in the anchor chain and lead to asymmetry. In order to evaluate the stress in asymmetric chain, this paper uses finite element method (FEM) to model the 76mm asymmetric stud anchor chain and calculate the stress distribution...

Five indexes have been selected to figure characteristics of subgrade: damage condition, structural characteristics, such as height, slope ratio, etc., aftershock strength, features of terrain and physiognomy, rainfall intensity. Fuzzy AHP Comprehensive Evaluation Method, FACEM, has been introduced to...

Crowdsourcing testers don't have to sign any contract, and the anonymous crowdsourcing testers determine the quality of tests.To match the recommended tasks with testers, a two phase task recommendation method based on Top-K algorithm was proposed. Category was introduced to reduce time complexity of...

This paper analyzed the content, pollution level, distribution and source of Cd in surface waters in Jiaozhou Bay in 1983. Results showed that Cd contents in May, September and October ranged from 0.09-0.41 g L-1, 0.40-3.33 g L-1, and 0.41-1.50 g L-1, respectively. Cd contents in different seasons in...

A car backfiring is an important cause of traffic accidents. The vehicle tire pressure monitoring system (TPMS) is an automobile accident prevention system. This paper designs a tire pressure monitoring system of motor vehicles based on Bluetooth using the detection and sensing technology, single-chip...

The previous TCP protocol cannot predict congestion. Only when the sender receives more than three acknowledgements or the retransmission timer is out can it realize that congestion has occurred. We train the linear neural network by using round-trip time and current TCP throughput as its inputs. As...

As we all known, information security has become an important affecting factor about the development of information technology. To efficiently ensure the information security, it is necessary to take regular evaluation for the security situation of information system. However, the basis work of evaluation...

The most prominent feature of the thermal battery is the high discharge current density,especially pulse discharge,which has high specific energy and power;followed by a short activation time,very flexible to use,this is unmatched by other battery;followed by the ability harsh environmental conditions,particularly...

In light of the current development of smart grid in China, this paper established the risk assessment index system, and conducted a comprehensive evaluation based on the rank correlation analysis and gray triangle clustering method. Calculation examples indicate that the risk level of our smart grid...

The rapid development of national economy, not only requires the occupation education to meet the personnel quantity requirements, but also to ensure the quality of talents. In order to make the occupation education and healthy development, the state issued a series of preferential policies, to encourage...

At present, most of the factories carry materials by hand about ceramic. This paper designed the structure of the product with the automatic pick-and-placing manipulator as the research object. Furthermore, it applied 3D model and motion simulation to the product through SolidWorks. Then it gave a design...

Application of Algorithm Target Change of the Filled Cells of the Matrix for a One-Dimensional Bending Element in the Problems of Structural Mechanics

One of special GWL methods included into mandatory complexes of studies in open holes is the formation testing with logging cable also known as hydrodynamic well survey. Over 60 years, Russian company VNIIGIS have been developing the equipment, method and technology for formation testing with logging...

According to the purpose of energy saving and low cost, a set of optimization design method is put forward for designing a forced circulation solar hot water system which can meet the need for all hot water loads. A digital model of solar water heating system is constructed in which the relationship...

To study the deformation mechanism of high manganese steel at high-speed machining and the influence of cutting parameters on a quality of machined surface and on a tool wear, we conducted a serial of tests cutting high manganese steel with metal ceramic tool. By observing the macroscopic chip and measuring...

The productivity of an autonomous photovoltaic plant with a capacity of 2.7 kW, installed in the parking area, was analyzed, using the PV syst program. The modeling outcomes showed, that the highest value of the global horizontal solar radiation flux density falls on the summer season and is ~ 214,0...

Sustainable finance is a business principle that can generate profit today without sacrificing future generations by considering the economic, social, and environmental aspects. Regulation on the implementation of sustainable finance for financial service institutions (FSI), issuers, and public companies...

Crude Palm Oil (CPO) is one of the raw materials for making biodiesel and until 2022 B30 biodiesel has been used which is marketed by Pertamina but B30 biodiesel is not popular because it is not yet trusted by consumers. In 2023 the CPO content in biodiesel will be increased to 35% (B35), therefore it...

Under traditional VRF system control, room air temperature is maintained through multiple levels fan speeds (either user-specified or automatic), and regulating the opening of the electronic expansion valve based on the temperature difference between return air and the indoor setpoint temperature. This...

Photoresponsive materials have attracted much attention recently because of their potential utility in many areas such as industrial, agricultural and pharmaceutical. In this paper, several photoresponsive biopolymers having spiropyran and chitosan groups were synthesized, and the structure and properties...

A search engine is becoming increasingly important given the massive influx of big data. In most cases, users get feedback based on the search theme. However, sometimes users need to search in terms of textual emotions. This thesis puts forward a regular emotional expression based on a regular expression,...

In the combination process of photovoltaic electric power generation with agriculture, there are many problems brought out, even in some important demonstration projects in Hainan island. In order to solve some of these problems, we detected and analyzed part of the plant growth factors in a typical...

The topic of this paper is the damping capacity of injector-formed baffle and normal blade baffle in a liquid rocket propellant rocket engine. High frequency combustion instability of a liquid rocket engine is investigated numerically, and the mechanism of high frequency unstable combustion is analyzed....

In this paper, in terms of feature extraction, according to the characteristics palmprint image we improve PCA algorithm and design modular PCA algorithms that is suitable for palmprint image. The whole palmprint image is divided into a plurality of sub-block images, then use principal component analysis.The...

The solid and fluid phases are not miscible phases while solid deformation and fluid transport are generally coupled processes. On long time scales, fluids allow stress-driven creep in the middle rock mass with the constant pressure. This paper aims to demonstrate time effect to rocks with the fluid-structure...

For obtaining the maximum cross section reduction ratio (MCSRR) for any billet, the equation for estimating the MCSRR of billet in a single wire forming pass was obtained based on unified strength theory. It is proved that the equation for the MCSRR of billet in wire drawing pass is similar to that in...

Myocardin and associated transcription factor (Myocardin-Related Transcription Factors, MRTFs) by serum response factor (SRF) together constitute the composition of molecular differentiation of muscle cell switch. This paper focuses on the vascular smooth muscle cells (vascular smooth muscle cells, VSMCs),...

With rapid development of big data applications, telecom operators pay more attention to the management and analysis of various data. Presently, as the telecom operators haven’t built a uniform enterprise data platform, and application systems and internal data models differ from one another, the complexity...

With the development of smart grid construction and the innovation of the business mode of State Grid, power systems business including generation, transmission, transformation, distribution, consumption and dispatching, produces a large amount of data every day. At the same time, power system is also...

The sandwich plate with folded core is a new type of sandwich structure. It has good design ability and has gained interest in the aerospace industry as a promising sandwich core structure. In this paper, energy absorption characters of M-type folded core are studied. Finite element models are set up...

S part side wall surfaces programming is always a technical problem for the Manufacturing enterprise users, this paper proposes a method for measuring the accuracy of the S part side wall surfaces programing in the cutting process before, and can form a precision inspection report, provide the industry...

The study was conducted in 2014-2016 in the northern forest-steppe area of Tyumen region. During the study of malting barley variety in two mineral fertilizer grounds the most productive grades were Omsky 85 and Beatrice. Their productivity in enhanced fertilizing ground made 5.98 and 5.84 t/ha respectively....

Data-center network (DCN) plays a fundamental role in cloud computing. As applications grow fastly, capacity utilization of data-center network becomes a big challenge to cloud service, especially when user's requests are unbalanced or data-center works at a peak time when there are amount of demands...

The volatile components of Meitan Cuiya tea in Guizhou were determined, which provides theoretical basis to improve and enhance the aroma quality of Meitan Cuiya tea. Headspace solid-phase microextraction method (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS) was used for the analysis...

Indonesian local cuisines or local foods have tremendous varieties of ingredients and tastes. Despite its diversity, existing research on local cuisine consumption is developing but still limited. This study aims to scrutinize the value and attitude of generation Z on Indonesian local cuisines consumption....

As contemporary mines continue to scale in size and complexity, the generation and optimization of mine ventilation network0 diagrams has emerged as a critical problem for the industry. Based on the current ant colony algorithm and graph theory modeling framework, multi-level topological representation...

With the development of wireless charging, it is now widely used in small electronic products, but it has largely untapped potential due to the limitation of charging distance. To make wireless charging realize the application value is greater, magnetic coupling resonant wireless charging due to the...

This paper systematically studies the water environmental quality monitoring and purification technology system, analyzes the characteristics and application scenarios of conventional and modern monitoring methods, and discusses the collaborative optimization scheme between basic treatment technology...

Research of traditional measurement instruments has been focused on improving the performance, ignoring the importance of interaction. With the deepening of the concept of "software-defined", the problems of the traditional instrument in the user experience(UE) become more and more obvious. Driven by...

First, the article introduces the definition and characteristics of computer virus, and the classification of computer virus. Then, it introduces the mainstream of virus detection technology, such as signature detection technology, checksum method, behavior detection technology and artificial immune...

Some of the inherent characteristics of the construction industry makes frequently construction safety accidents, and as well , that’s caused a serious of adverse effects , by now, the effective prediction which is about the trend of death number in construction accident becomes extremely important....

Digital office environment is the office mode based on WEB or B/S structure. Under the digital office environment, office work digitalizes and documents electronizes. Traditional paper files are easy to mildew, rot and lose, difficult to revise and inquire, and have low efficiency. Electronic records...

February 18, 2013, the Ministry of Commerce and the Ministry of Environmental Protection issued “Foreign Investment and Cooperation Environmental Protection Guidelines.”It is the first time for government department to guide foreign investment enterprises in environmental protection. Water resource as...

As partial discharge (PD) can reflect the type of insulation defects in a gas insulated switchgear (GIS) and the damage of GIS caused by different types of discharge varies evidently, identifying the type of discharge correctly is of significant value in ensuring the safe and reliable operation, assessing...

MnO2 is directly deposited on active carbon (AC) to synthesize AC/MnO2 composite to improve the capacitance of electrode material. AC/MnO2 composites are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and N2 adsorption-desorption, and the electrochemical properties are evaluated...

In this paper, the influence of circulating cooling water temperature and ultrasonic treatment on scaling process is investigated by using the experimental platform of fouling dynamic monitoring, and the change rule of fouling thermal resistance and scale inhibition rate are defined. In the process of...

During rapid cooling by spray water in fire fighting, the deformation of high temperature structural steel was different, it was mainly influenced by water and the steel structure itself temperature. Its bearing capacity was controlled by lower beam flange, and the joint bearing capacity was controlled...

In this paper, the tree topological features detection and automatic segmentation of point cloud data are studied, and propose a method of topological features detection and automatic segmentation of point cloud data, based on panoramic range image. First of all, the point cloud data is converted into...

Context: Although Code Smell can't cause problems with execution of project code, Code Smell can cause some potential problems of maintainability and understandability on the software projects. Meanwhile, as for the research of code smell, current research results pay attention to only several specific...

Timely and accurately short-term traffic flow forecasting is very important in the application of the Intelligent Transportation System (ITS). In this paper, an improved k-nearest neighbor (K-NN) model considering upstream traffic information was proposed to forecast short-term traffic flow. In this...

The use of expenditure receipts at the Inspectorate considered having a low level of efficiency due to impracticality and recording errors that are often found in recipient data, resulting in wrong recipients of activity funds. This error was caused by the Microsoft Excel system being used was still...

Waiting for services is one of the important variables in transportation. The environmental conditions of the waiting facility can be something that can influence the user’s condition, such as feelings of satisfaction and security, whether they are getting worse or better. The research tries to find...

This study aims to develop an educational game as a learning medium for temperature and heat material for Elementary School (SD) students based on Augmented Reality. The method used is Research and Development (R&D) with the ADDIE model (Analysis, Design, Development, Implementation, and Eval- uation)....

The soil-water characteristic curve (SWCC) is a crucial parameter for studying the movement of water in unsaturated soils. This study established three bulk densities (1.45, 1.55, and 1.65 g/cm3) to simulate tailings at different depths, utilizing the centrifuge method to determine their SWCCs and evaluate...

Through geological hazard survey, the network of group monitoring and preventing in the surveyed area is built and perfected, the purpose of which is to improve local inhabitant consciousness on the geological disaster prevention and mitigation, and to insure the monitoring, early warning and geological...

Based on the geochemical test and on the basis of core test and analysis, this article carries out the work of hydrocarbon source rock evaluation and reservoir evaluation in Haibei sub-sag Paleogene strata. Studies suggest that the study area has good organic type, high abundance of organic matter and...

Many factors, such as over-voltage and switch on or off, could produce FREMP which will affect the normal work of electrical equipment. High voltage disturbance signal may lead to the function degrade of equipment and the equipment will be damaged when the disturbance signal voltage exceeds a certain...

With crisis of coal, oil and natural gas and other fossil energy, people gradually turned to biomass energy, the preparation of methane is of great practical significance. Different alkali pretreatment can affect the anaerobic fermentation of corn stalk system. NaOH as pretreatment agent was added into...

The article specifies measuring data of air parameters and their volume flow in the shafts and on the surface, collected in BKPRU-2 (Berezniki potash plant and mine 2) (®Uralkali¯ PJSC) in the normal operation mode, after shutdown of the main mine fan (MMF) and within several hours. As a result of the...

The wind loads are one of the control loads on the high-rise building. Researchers in the wind engineering field have done numerous studies and have made plenty of achievements, which greatly promote the social development. Combining database system and advanced calculation languages, a MySQL-based software...

Cobalt oxide/graphene (Co3O4/rGO) was successfully prepared using hydrothermal method. The major aim of the study is to investigate the photocatalytic activities on the removal of methyl orange (MO). These as-prepared catalysts (Co3O4, rGO and Co3O4/rGO) were investigated for the degradation of MO via...

This paper evaluates experimental the influence operating parameters of wire-tube electrostatic precipitators on Particle collection efficiency of pellet furnace flue gas, such as particle diameter, electric field voltage, Particle concentration, and flue gas velocity. Particle removal efficiency increases...

To investigate the effect of co-combustion ratio (CCR) on the combustion characteristics in the LNG/diesel dual-fuel engine, an electronically controlled common rail diesel engine is modified into an LNG/diesel dual-fuel engine by adding a set of LNG supply system and dual-fuel control system. The in-cylinder...

Based on the optimal velocity model, a new continuum model considering the jerk term is mentioned in this paper. Then, the critical condition for the steady traffic flow is deduced. Near the neutral stability line, nonlinear analysis is taken to derive the KdV-Burgers equation for describing the traffic...

As the qualitative analysis software of laser induced breakdown spectra (LIBS) mainly relies on the principle of proximity and artificial identification, we developed a spectral data processing software, which manages background subtracting, filtering, peak searching and elements identifying, etc. The...

The energy consumption is increasing year after year with the development of economy in our country. Improving and optimizing the way of energy use constantly is necessary. Industrial waste heat is the energy which is not used in the thermal conversion equipment and energy-using equipment in the process...

With the rapid development of human society and economy, the greenhouse effect caused by greenhouse gases had become one of the three major environmental problems in the world. Forest ecosystems mitigate the greenhouse effect by absorbing CO2 through the photosynthesis of green plants. Based on field...

From the perspective of economy, society, and ecology, we study the impact of information networks on the utilization efficiency of cultivated land. Using the information entropy model evaluates the utilization efficiency of cultivated land from 2007 to 2016 in China, and empirically analyzes the the...

New requirements drive the birth of new technologies. Data analysis is the foundation of scientific research, many scientific research is based on data collection and analysis. This paper introduces the basic theory of classical rough set, which is based on the equivalence relation, and uses an upper...