Advances in Engineering Research

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...

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...

In this paper, after the establishment of a simple monitoring system, a multithread wireless acquisition system is developed to facilitate the acquirement, in a quasi-static loading test, of the displacement influence line of the control points in the girder of a bridge. Loading test outcomes are then...

In this work, the epoxy composite coating composited by zinc rich epoxy primer and silver epoxy enamel, was sprayed on the surface of Q235 steel. The anticorrosion of as-prepared samples in substation environment with atmospheric exposure for 18 months, and in 5% NaCl aqueous solution for 250 days were...

An exploratory study of combinations among environment behavior science, space syntax and interactive activities on campus is presented. To answer the reason why the public spaces on campus could not be used effectively as expected, the study focuses on the potential relationship between spatial configurations...

In view of the estimation problem of the priori signal-to-noise ratio (SNR) estimation in single-channel speech enhancement algorithm, a novel method based on the further information is proposed. In this paper, the information from the post frame is considered in obtaining priori SNR of the current frame....

The role of the airport as a meeting place between the users of air transport (passenger) and air transport provider (airlines) is very important. Passengers' satisfaction is an important part of the service at the airport. Trying to provide excellent service for baggage handling becomes one of the important...

The Solar Power Plant (PLTS) is a solution to the fossil fuel/oil energy crisis. Oebau Village, in Pantai Baru District, Rote Ndao Regency, covering an area of 1,280.1 hectares, has around 800 hectares of rainfed rice fields. Through the village fund program, reservoirs have been built to collect water...

Stroke imposes an immense burden on healthcare systems across the globe as a leading cause for mortality and permanent disablement. The condition occurs by an alteration in blood flow to the brain that results in neurological damage. As a result, early and accurate pre- diction of stroke risk is critical...

Global growth of energy transition has increased in the last decades. One of the prominent alternatives of energy carrier other than fossil fuel and electricity is hydrogen fuel. In addition to electrolysis, photocatalytic water splitting offers clean way of producing green hydrogen. It employs solar...

3D printing technology has revolutionized manufacturing with its ability to produce complex components, yet defects such as pores, cracks, deformation, and surface irregularities hinder its widespread adoption. Therefore, in recent years, many defect detection and optimization methods have been designed...

Water Scarcity is a problem which draws the world's attention all along. Beijing, the capital of China, is an over-exploited region when it comes to water scarcity according to the UN water scarcity map. So this paper's major concern lies in developing a model that can measure and estimate the water...

With the development of China's economy, we have witnessed the rapid growth of electrical appliance ownership in household sector. Given the great number of population, the energy consumption in household sector is huge in China and consequently causes serious environmental concerns. This paper presents...

A three-dimensional eddy model considering buoyancy was established to simulate vertical buoyant flow from a square orifice in static ambient. The hybrid finite analytic method with stagged grid was used to solve this model. Experiments were made to confirm the efficiency and validity of the model, and...

This paper analyzed the seasonal variation, horizontal distribution, vertical distribution and variation range of Chromium (Cr) in the bay mouth of Jiaozhou Bay based on investigation data in 1983. Results showed that Cr contents in different seasons in both surface and bottom waters were in order of...

An amorphous Fe-based catalyst supported on polypyrrole-modified graphite is synthesized by a chemical method. The optimal Fe loading with the highest reduction current is 4 wt%. Their morphology, structure and chemical component were characterized by scanning electron microscopy (SEM), X- ray diffraction...

The paper is aimed at the phenomenon of red clay subgrade disease,taking the subgrade filling from the Yuqing-Kaili Expressway as the research object,doing the expansion test on the red clay,analysing of red clay expansion deformation law. The results showed that in the same compaction degree, different...

The dynamic shear rigidity is an important function for marine soil. Due to the random fluctuation, the proper expression on marine soil dynamic shear rigidity is stochastic spectral theory. The typical marine sediments were studied here. Their dynamic characteristics were included systematically in...

In the traditional OCR text recognition system, recognition rate is low with many errors.Also, it can not effectively identify the different text fonts. It’s a long-standing problem. Modern text recognition system should be for different fonts within accuracy to identify the text and font information....

The article analyzes the economic performance of wells with hydraulic fracturing. The effectiveness of using hydraulic fracturing technology in the development of the oil reserve area with the low-permeability zone is defined in terms of its economic feasibility. To do this we studied the dependence...

Global Energy and Environmental Issues have enhanced the development of new energy vehicle. The purpose of this study is to model and analyze the performance and exhaust emissions of a four-stroke SI engine operating on ethanol-gasoline blends of E80, E85 and E90 with the aid of AVL-BOOST. A model has...

The superheated steam temperature control system is a complicated controlled object with large inertia and large time delay characteristics, and its model parameters change with the load. For this nonlinear system, an IGPC-QFT cascade control algorithm was proposed. The quantitative feedback theory (QFT)...

Cloud computing is now the most popular research field. Many IT giants have built their own cloud computing infrastructure like Google App Engine, Amazon Web Service, Microsoft Azure, as well as many other open source cloud computing platforms. However, there are several issues with existing cloud computing...

Judging from the performance of lithium ion battery materials and the techniques for battery manufacturing on the market, the world will see the booming of scrap traction batteries in the next three to five years. When the time comes, the safe transportation of these batteries is going to be an imminent...

This study involved the optimization of the process for low-temperature early strength polycarboxylate superplasticizers (PCE), and determined the optimal DW07 process with excellent low-temperature early strength performance: n(AA)/n(EPEG) = 9.45, n(TGA)/n(EPEG) = 0.23, n(U1)/n(EPEG) = 0.72, n(M1)/n(EPEG) = 0.36....

The distance learning system during the Covid-19 pandemic brought students closer to exploring scientific knowledge information around them, such as local wisdom in coastal areas. This study aims to determine the level of scientific literacy competence of students towards coastal wisdom based on three...

The Multigate (Double-gate) MOSFET has been proposed for high voltage and high-power applications with decreased short channel effects and drain current with gate overlap. This model takes in to account the short-channel effects (SCEs) in thin-layered MOSFETs with large drain regions by incorporating...

In order to study the mechanical performance on concrete columns strengthened with prestressed CFRP sheets, three groups of twelve concrete columns were made, according to the reinforcement ratio and tensile stress of CFRP sheets. Then the axial compression test under static load was completed and the...

Based on Machine Vision, the paper research a method to detect obstacles and calculate the distance between the obstacle and moving vehicles. First it uses the shadow detection method to determine approximate location of the obstacle and adopt corner detection method to detect the obstacle contour information....

In order to improve the toughness, thermal property and impact resistance of PLA, clay modified with different surface treatment agents (titanium ester, silane coupling agent and alkylamine) was added to PLA matrix. The samples were examined by fourier transform infrared (FT-IR) spectroscopy, micropolariscopy...

Horticulture Therapy, a new approach to health care, which can relieve stress and rehabilitate mind by touching and feeling gardening materials. Through researches on current society, we find that it is necessary to carry out horticultural therapy in our county. The Article has analyzed health effects...

Pspice engine which possesses powerful modeling and simulation functions is widely used to analog circuit simulation, while can not be provided with fault simulation function. This paper addresses the problem of how to performance analog circuit fault simulation simulate by calling Pspice engine. Firstly,...

Herein, we utilize ants as the prototype to build the multi-functional model that can walk, turn, cross obstacles and collect samples under the inventor environment. The operating principle of the robot was introduced and the strength of important elements were checked and discussed to investigate the...

For making feasible logistics management come true, fully using data resources, and establishing in line with the development of a healthy enterprise logistics management mode, this paper puts forward a new analysis model for evaluating the quality level of logistics management based on support vector...

Minimally invasive vascular interventional surgical robot system includes two parts, the master manipulator and the slave end-effector. With the operation of the system need to map the operation of the main hand to the end effector, to achieve master-slave operation. Based on the graph transformation...

The article dwells on principles of building and conditions of production of information measuring systems of linear displacement. A possible generalized scheme of the optometrist-electronic systems is presented. It is shown that action of optometrist-electronic information measuring systems is based...

This study proposes an integrated framework for detecting a vehicle’s driving intention using multi-source data fusion, thereby addressing the limitations of relying on single data sources in complex traffic scenarios. Environmental perception data (other cars, pedestrians, traffic lights) are processed...