Advances in Engineering Research

With the continuous development of economic and society, there is a new momentum in the development of modern manufacturing, marked by more complicated production tasks and high accuracy production requirements. Many times in order to complete the complex production task, we need to put multiple mechanical...

The research was performed on the background of reconstruction and expansion project of Shandong 1# expressway, contrastive analyzed the changing status of Highway Engineering Technique Standard in regard to the bridge load revision adjustment, particularly computational analyzed the technical requirement...

As to price negotiation in e-commerce, a formal model of price bargaining negotiation was constructed. The bargaining strategies of single-issue and multi-issue were researched. In single-issue negotiation, the assessment method of quoted price’s utility value was given out, and the bargaining strategy...

Avalanches are hazardous natural phenomena, just like earthquakes, floods, mudslides, etc. Every year, avalanches claim lives of hundreds of people and destroy economically important facilities, mainly motor roads and railroads. Prediction of the danger of avalanche is a part of a complex of measures...

In the article, a predictive calculation of buried pipeline with ice-bearing and ice-rich soils thermal interaction was carried out. To describe the thermal interaction of the pipeline with permafrost soils, the enthalpy Kronik model was chosen. Calculations are made taking into account the oil temperature...

In order to study the vibration response of automobile front side window glass at high speed, its constraint condition must be determined at first. However, it is difficult to establish the boundary constraint model of the window system due to the complicated mechanical properties and the irregular shape...

The battery is the power source of electric vehicles and its performance has a direct influence on the power performance and the trip range. The state of charge (SOC) of the battery is one of the most important parameters in the use process of a battery. At the same time, the estimation accuracy of SOC...

Multi-UAVs close formation is the hot spot of current research. UWB (ultra-wide band) is very feasible to be applied to UAV relative positioning. In this paper, we propose to apply UWB technology to UAV relative positioning for multiple UAV close formations and consider combining UWB positioning with...

Municipal waste management is an important aspect in maintaining the cleanliness of the urban environment and reducing negative impacts on human health and the ecosystem. Transport network analysis in the context of municipal waste management is a critical step to improve operational efficiency and reduce...

Fatigue driving poses a significant threat to road safety, and monitoring driver alertness is essential for preventing accidents. This paper explores fatigue driving monitoring technology using facial recognition, which relies on non-contact visual analysis to detect fatigue based on key facial features...

Soil pollution can result in a lot of serious situation, especially safety, health and environment problems. In this paper, a serial of experiments were designed and conducted in a closed-loop wind tunnel to study the mecha-nisms of soil pollution. Through the research work, the mass transfer acts an...

The main structure and the production theory of scraped surface heat exchanger was introduced. The heat transfer mechanism of heat exchanger is analyzed, and the mathematical model of heat transfer is established in this paper. There had three mode of heat transfer in Scraped surface heat exchanger....

In order to adapt the Web page of the PC version to different-sized mobile devices automatically, reduce costs of web development and maintenance, and enhance the browsing experience of users, a responsive web with Html5 and Css3 language was designed and implemented in this paper . Through the simulation...

Aimed at studying the boiling phenomenon of LN2injection into water, a visualization experimental system is built. The injection pressurecan be adjustedin this system. The LN2injection process can be recorded by high speed camera and pressure transducers. Combined the boiling theory and experimental...

Objective: The research analyzed empirically the impact of rural-household differentiation on the action of farmland transfer by Logistic model; Methods: Logistic Model; Results: It turned out that rural household vocational differentiation degree and rural household income differentiation degree existed...

Prefabricated concrete structure has the advantages of being constructed fast, high quality, energy conservation, good seismic performance and environmental protection, etc. It is the developing direction of the future buildings. It's one of the important research content of prefabricated concrete structure...

China is in a rapid take-off stage of industrialization and urbanization. The rapid increase of industrialization level and the scale of rapid expansion of urbanization means that the demand for soil is growing. The conflict between human and the soil is getting more serious, how do we deal with the...

The interaction analysis and evaluation on tunnel passing through underlying vacant areas is essential in highway construction. A 3D numerical model of tunnel at underlying vacant area has been established to analysis the deformation and mechanical characteristic of tunnel structures. According to the...

In this research work, a novel spatial parallel manipulator with three degrees of freedom (DOF) is proposed. The moving platform has two-translation and one-rotational DOFs with respect to the fixed base. Based on the position and orientation characteristics (POC) theory, the number of the DOF is computed...

Spectral analysis has a very high sensitivity and accuracy, widely used in qualitative and quantitative analysis of textile fibers. This paper described the mechanism of spectroscopy in qualitative identification of textile fibers. Then it gave a systematic review and summary on the research of qualitative...

Fish scale contains rich collagen. Collagen is an important material which is widely used in many kind of industries. Extracting collagen from fish scale not only reduces the pollution but also obtains new raw material of commercial collagen. In this paper, single factor test method was firstly used...

In order to study the strength and crack resistance of lightweight concrete, this paper made the concrete using lytag as coarse aggregate block, and join in the block of polypropylene fiber in order to improve its strength and crack resistance. Use control variable law for reference block, the following...

With the increasing of the maximum running speed and the complicated environment that the current collector is exposed to, it is urgent and necessary to study the dynamic characteristics of the current collector under the high speed running condition. In this paper, the current collector used in the...

We choose urban development level to measure the success of smart growth. Then excavate a number of indicators considering the sustainability of the three E's. Due to the number of excessive indicators, we use the interpretative structural model (ISM) to determine the relationship between indicators....

In recent years, with the continuous development and improvement of China's land resources management level, surveying and mapping technology has been widely used in the current housing management. Through the detection of land and housing resources by surveying and mapping technology, people can achieve...

A kind of phosphorus accumulating organism (PAO), Bacillus sp. PK1, which showed high phosphorus removal efficiencies, was isolated from special medium in the SBR reactor. To further explore the effect of nutrient factors on its potential phosphorus removal efficiency, initial phosphorus content and...

In Indonesia, approximately 8.9 million children are affected by stunting, with a prevalence rate of 30.8%. This issue is more prevalent in children over 12 months of age due to increased nutritional needs. Health centers, particularly the UPTD Puskesmas Mariana in Banyuasin Regency, play a crucial role...

Slope instability leads to significant global economic losses annually. To evaluate slope stability swiftly and precisely, ensuring the safety of slope engineering. The GA-HIDMS-PSO-SVM algorithm is introduced to develop a slope stability prediction model. Six typical slope parameters, including bulk...

In order to advance the development of take-out O2O, the essay using internet questionnaire to survey the present situation and developments of Take-out O2O in Lingnan Normal University. The results show that there are food safety, environmental pollution, slow delivery speed, bad taste to be solved...

Constraints are used widely for linear structural analysis in professional software, but some ofthem may be neglected in nonlinear analysis while using general FEA software. Two kinds of constraints, include panel zone at beam end and top alignment of beam and slab, are analyzed by numerical method....

At present, most of the traffic noise forecasting models in the domestic and international expressway are concentrated on a line source for noise prediction, and the influence of road width on sound source modeling is rarely considered, which is different from the actual situation. And the noise prediction...

In view of functional analysis is the key work of quota design, we establish the AHP model based on FAST diagram analysis method and principal component analysis. It can design the system function so as to provide a scientific basis for investment quota allocation. On this basis, we establish the fuzzy...

A pot experiment was carried out to study the difference of cadmium (Cd) accumulation characteristics of four Bidens species. The results showed that Bidens biternata had the highest biomass and Cd accumulation amount of whole plant than the other three species under Cd-contaminated soil. The root and...

A method was proposed for the determination of copper, iron, nickel, cobalt, gold and silver in industrial wastewater by ICP-AES. Working conditions of the instrument and selection of analytical spectral lines were tested and optimized. The detection limit was 0.002,0.003,0.002,0.008,0.008,0.002mg/L....

A novel spirocyclic halogen-free ame retardant ISCP was successfully synthesized, and its structure was confirmed by FTIR, 1H NMR, and 31P NMR. Results of LOI, UL-94, and CONE tests demonstrated that the ISCP effectively enhanced flame retardancy of EP composites, which could improve the LOI value from...

The fault diagnosis approach of pumping machine based on wavelet transform is proposed. The Mallat algorithm is employed to extract the feature components from the measured electric power figure, the periodic signal of the oil pumping machine as well as the vibration signals of electric machine and the...

For traditional urban scheduling system independent of all kinds of information, lack of information exchange and sharing between systems, scientific task evaluation and other issues, city emergency command system based on GIS was proposed. The whole system was developed under Windows platform ,based...

In recent years, nanomaterials have attracted great interest from industrial community and researchers due to many reports showing that nanomaterials can be promising vehicles for in vitro diagnosis, in vivo tumor imaging and targeted therapy of many diseases in addition to being wide-spectrum antibacterial...

For the complexity of actual product structure, the three dimensional electric field finite element model of KYN-40.5kV high voltage metal enclosed switchgear was built and analyzed by using subarea modeling and partial thinning mesh. The calculation results show the distribution of the internal electric...

This paper presents a new design concept for the single treatment of X/O type lower limb rehabilitation instrument, the new design concept, modeling and simulation using SOLIDWORKS, the force analysis using ADAMS, control the use of single-chip microcomputer, the real realization of a set of rehabilitation,...

The Cr-Zr-Cu crystallizer surface was strengthened by laser cladding and obtained the gradient alloy coating. The coating was compared with the other three coating produced by other technology such as electroplating, plasma spraying and plasma spraying with re-melting. The experiments were conducted...

Performance of the hydraulic system for the rise-fall device has a direct impact on the reliability of power catwalk. According to the working principle of the rise-fall device, the scheme design and mechanical models of hydraulic system are established. And test the hydraulic model of the rise-fall...

The compression heat pump system using lake water as a heat source was designed and analyzed. With an example of such office building in Lianyungang City in China, by using trnsys combined with survey analysis, the energy consumption was simulated and analyzed. As a result, it seemed to illustrate that...

With the Z-scan method, the nonlinear optical properties of the sample of Ethyl red (ER) in ethanol solution (in which the content of ER is 1% by weight) were measured using the lasers of three wavelengths (441.6nm, 535nm and 633nm) respectively. As a result, the effective indexes of refraction n2 of...

With the rise of the refrigerator ship as a new technology, it is imperative for safety monitoring using the scientific method. In this paper seaworthiness evaluation is employed for safety research. Firstly, according to refrigerator ship characteristics, seaworthiness evaluation content, procedure...

The PPP is just the mode of public-private partnership, referring to the long-term partnership established between the government and the social capital to provide the public products or services, with typical form of organizing a special project company by the government and the social capital based...

Objective to compare different ratio of toluidine blue dye solution on the advantages and disadvantages of rat femur dyeing. Methods: the rat femur of materials, fixation, embedding, and sectioning, respectively with different ratio of toluidine blue dye solution dyed, observation of femoral morphology...

Forecasting the performance of aero-engine is a crucial problem that facilitates the avoiding unnecessary delays of aircraft. By applying the Autoregressive Integrated Moving Average Model to aero-engine gas path system, we find that the ARIMA method is suitable for forecast Exhaust Gas Temperature fluctuation...

As new structural composites, X-cor sandwich effectively improves the mechanical properties of the foam sandwich in thickness direction due to its high specific strength and specific stiffness. In this article, by introducing the correction coefficient, the modified calculation model of X-cor sandwich's...

This paper delves into the design and performance analysis of unmanned aerial vehicle (UAV) communication networks, aiming to provide a comprehensive understanding of the subject. It begins with an introduction to the significance and background of UAV communication networks, followed by a detailed discussion...

Aiming at the low output power of PV cells, a Photovoltaic (PV) cell model of photoelectric conversion method is proposed, and the maximum power point (MPP) of PV power generation system was in-depth studied, due to the instability of the output power of PV cells, an improved disturbance observation...

Aim at the problem of on-site measuring mechanical equipment lubricating oil viscosity, the principle of Hele-Shaw flow is chosen to develop viscometer after comparing the characteristics of existing viscosity measuring instruments. Studying on the flowing characteristics of Hele-Shaw flow in the narrow...

In this paper, we constructed a dynamic searchable encryption CP-ABE scheme (DSE-CP-ABE) which is based on ciphertext index. The scheme combined the existing ciphertext strategy of access control scheme, extended inverted index structure, and introduced the trusted third party, which not only realized...

Controlling construction speed is a key factor to ensure the stability of dam slope in soft groundsill. In this paper, for the construction of soft groundsill damming in Shuangwangcheng reservoir, a dynamic monitoring method of soft groundsill damming, considering the excess hydrostatic pore water pressure...

Achievement of required indexes of diesels is impossible without processes improvement of fuel spraying and mixture formation. Modern diesel fuel equipment does not provide a demanded number of the above-mentioned processes fully. Quality improvement of the processes is a goal of the study. Constructions...

Two computer models of concrete frame with staircase were made and the seismic-performance of the models in elastic-phase was calculated by adopting base shear method, spectrum analysis by ETABS. The results show that including staircase into models will change the seismic performance of frame structure...

In order to reveal the influence of reaction conditions on the phosphorus crystallization to recover phosphorus from wastewater with low P concentration, an alternate A/O biofiltration system for simulated domestic wastewater treatment was carried out and the effluent from anaerobic filter was considered...

Along with the ongoing society development, people gradually gets a higher demand for daily life quality, which means a vital function for mechanical processing industry in its mechanism and technology development. This paper mainly talks about the development research on mechanism and technology in...

There are many factors that can affect the engine network performance, such as delay, packet loss and capacity utilization. Application examples show that, this system can significantly improve the efficiency of aerodynamic design. Compare the kinematics function with the new design with the prototype...

The grassland region is a multi-ethnic area mainly composed of Mongolian. Because of economic and cultural interactions and influences among different ethnic groups, there are long history and tradition. At the same time, the northern nations are also impacted by Tibetan Buddhism and the Central Plains...

The linearity and gain of RF power amplifier are greatly affected by the quiescent working point of the amplifier. In practice, the threshold opening voltage of the power amplifier changes with the temperature rise, which leads to the change of the quiescent working current, and which makes the linearity...

Modern selection and seed development widely use biotechnology methods for creation of new intense cultivars and subsequent monitoring of biotypical composition. Among those methods is using storage proteins (prolamins) for analysis of genetic diversity. Prolamins and avenins are used for assessment...

In recent years, drugs have been classified as new pollutants, and an increasing attention has been paid in the field of environmental remediation. As an effective drug for treating diseases and promoting growth, antibiotics are widely used in medical, livestock and aquaculture. However, due to the improper...

Modified wood is used in the form of sliding bearings in friction units of various machines and mechanisms, mainly operating under severe operating conditions (combines, rock loading machines, belt conveyors). Wide use of such bearings is constrained by low thermal conductivity of wood. Technology and...

This paper combines the architectural characteristics, in summer hot and winter cold area building energy efficiency design specification analysis proposed measures and application of a series of green building technology. In campus planning, architectural design, detail processing on, provide ideas...

The economic accounting of natural resources assets, especially for water resources assets, is still in the exploratory stage in China. The contents and scope of water assets accounting need to be further improved. In order to explore the coordination between social and economic development and population,...

The benefits of prefabrication have been widely recognized in many regions. To meet the needs of green building, prefabricated construction has also been promoted in China. Supply chain management is considered key to the success of prefabrication projects. However, there has been no systematic study...

With the extremely climate phenomena caused by global heat waves and the urban heat island effect, how to realize low-cost construction of bioclimatic localism architectural design (BLAD) in low-level urban environments to improve the overall microclimate environment has become an urgent and strategic...

The background of this research is the Panrb Ministerial Regulation Number 23 of 2017 concerning the Implementation of Mal Pelayanan Publik (MMP). The Provincial Government of the Special Region of Yogyakarta (DIY) signed a commitment to implement the MPP with PANRB. It is hoped that MPP can make it...

Through the adjustment of polyether monomer, polyether molecular weight and early strength functional monomer, the best process formula was determined, and its molecular weight was tested by gel permeation chromatography, as well as the product performance. The experimental results showed that the early...

Ag(3 nm)/Fe(35 nm)/Ag(3 nm) nanogranular films were fabricated by magnetron sputtering system onto glass substrates and subsequently annealed at different temperature. The microstructure and magnetic properties of Ag/Fe/Ag films were investigated as the annealed temperature increases from room temperature...

Objective to explore the effect of incremental cycle ergometer exercise on bone mineral density in patients with osteoporosis. Methods 60 cases with osteoporosis in 2013 January-2014 year in January in our hospital as the research object, according to the different treatment as control group and observation...

At present our army has a huge cloud explosion agent needs to be destroyed. The traditional incineration, landfill and other methods has not adapted to the current needs of the community. From view of recycling, through the discuss the recovery method of hexogen (RDX), ammonium perchlorate (AP) and aluminum...

Based on investigation data on Pb in bottom waters in Jiaozhou Bay in May, September and October 1983, we analyzed the horizontal distribution of Pb, and reveal the mechanism of high sedimentation of Pb. Results showed that the horizontal distributions of Pb in May, September and October 1983 were totally...

The performances of lubricant liquid film of groove-pores coupled mechanical seal are numerical simulated by Fluent, and the effects of depth of groove and pore on liquid film performances are analyzed. The results indicate that dynamic pressure generated by groove-pores coupled mechanical seal is higher...

A study on the thermal physical property of kind of phase-change heat storage materials is carried out to explorer the feasibility in the solar thermal storage area. Using the compacting-melting-absorbing-cooling method, the composite material of PE, PG and expanded graphite are made, the thermal conductivity...

Based on Maxwell equations with source terms, EM responses for infinite line source of 2-D symmetrical anisotropic formation in frequency domain are computed. The partial differential equation solutions based on a finite element method of electric field parallel to line source for TE mode and magnetic...

Abstract: In this paper, we design a cross-platform minority language translation system, which based on HTML5, and combines CSS, with JavaScript and other web development techniques. At the same time, through the Alibaba open source framework Weex the system can realize cross-platform operation, we...

Silicon oxide is widely used as a thin film to improve the surface properties of materials, because it is of anti-resistance, hardness, corrosion resistance, dielectric, optical transparency etc. Just as these excellent performances, silicon oxide thin films are used in many fields. There are many ways...

Since there has been no feasible way to remove wet flue gas of coal heating surface fouling, modern coal technology forced to raise the temperature of flue gas emissions, keep the flue gas temperature above the dew point of the flue gas acid run, so the flue gas heat abandoned lead a lot of waste. Installation...

With the rise of our country’s economic status, environmental issues are also increasingly attracting our attention. On the one hand, when our country exports a large number of products to other countries around the world , waste products are stranded in China. In the meantime “world factory” is “world...

The Voltage Controlled Oscillator circuit had been analyzed in virtual test via NI Multisim 10.1 software. By changing the input DC voltage, the changing rule of the output waveform was observed, has read the cycle and calculate the frequency of the output waveform in conformity with the theoretical...

Environmental geophysics,also known as the near surface geophysics,it is environmental science and Geophysics integration and a borderline subject developed,to study the relationship between geophysical field and matter in the earth's physical characteristics and the livingenvironment of mankind(including...

In this research, in order to optimize casting design of an automobile part (Housing), Computer Aided Engineering (CAE) was performed by using the simulation software (AnyCasting). The simulation results were analyzed and compared with the several casting designs. During the filling process, internal...

On the basis of the energy planning requirements of China's 13th five-year plan, the ecological environment, building characteristics, and other factors in Lhasa City are thoroughly investigated to identify its decentralized and centralized heating schemes. The performances of these two schemes are compared...

The construction and operation of road infrastructure in Indonesia are facing the damage of flexible pavement. One of the causes of the damage is the failure of the subgrade bearing capacity. The pavement structure requires a large amount of material, especially natural materials namely aggregate and...

This paper studies the battery capacity monitoring system on solar panels in electric cars using the IoT-based NodeMCU ESP8266. All of these systems were built with the aim of making it easier for workers to manage incoming power consumption when charging the battery while preventing battery damage so...

Cloud computing and its popularity has resulted in increased usage of cloud in real world applications. Thus there is unprecedented growth in user base and their tasks. In this context, it is indispensable to improve cloud computing towards achieving equilibrium by satisfying consumer needs and infrastructure...

A new fault location method of leaky coaxial communication cable is proposed and demonstrated in the condition of experiment, which is based on linear frequency modulation pulse compression. The principle diagram of leaky cable fault location of linear frequency modulation pulse compression and its system...

Focused on uneasy monitoring of shipboard incineration, we employ the latest achievements of automation and information technology as well as PLC to successfully realize intelligent and ship-shore monitoring. In terms of combustion monitoring, various system parameters are under strict and real-time...

This study using modified chinese walnut shell (MCWS) to contain Cu2+, Hg2+,Cd2+, Cr6+ mixed solution for processing. The result through coexisting metal ions adsorption experiment confirmed the MCWS adsorption Cr6+, Cu2+, the optimal condition of Hg2+ and Cd2+ : pH between 5.0 to 7.0; The best initial...

Based on the concept of low carbon environmental protection, the used asphalt mixture was recycled and measured to determine the asphalt content of 3.8%, and to determine the regeneration mixture gradation of AC-20,the optimum asphalt content of regeneration mixture was 4.9% determined by Marshall test,and...

as for larger hysteresis control object, when causing a large fluctuations in output, feedback can't timely effect influence the output of the system, directly impacting on control quality, a better solution to this kind of problem is to introduce the feedforward control system. In this paper, the analysis...

Urban-rural digital gap has become the obvious obstacle of urbanization process and city economy. And the influence of the urban-rural digital gap to urbanization has also appeared. Based on the analysis of influence of the urban-rural digital gap in Guizhou province to the urbanization, this paper focused...

Objective:Understand annual effective dose equivalent of Gamma Radiation in Different Places of One University of Jilin City, and then make brief analysis and evaluation. Methods: Gamma radiation in different places of one university of Jilin city was monitored with BH3103B portable X-gamma radiation...

In this research, redundant mechanism for CAN Bus communication is designed and implemented to improve reliability of the I/O modules built with CANopen profile. The STM32F107 hardware platform (Cortex-M3 core) is used in the I/O modules. These modules and main station can combine into a complex control...

As a new type of underground engineering reinforcement technology, the pipe-roof method has shown its significant superiority in shallow buried large section tunnel engineering in high traffic urban areas. According to the two design scheme of pipe-roof engineering, the 2-D numerical analysis model has...

In this paper, using carbon nanotubes (CNTs) as the carrier, a new type of heterogeneous material Pt-PdNiOx/CNTs was prepared by impregnation reduction method. By means of XRD, TEM, XPS and electrochemical analysis, Pt-PdNiOx/CNTs catalyst of the structure and in the methanol oxidation catalytic mechanism...

The earthquake catalogue of the Kerala State indicates that the central part of the state (Wadakkancheri-Trissur and Idukki –Kottayam- Pala) is witnessing repeated seismicity. Though lineaments of all directions are identified in Kerala, some NW-SE trending structures are identified as neotectonically...

MICP (Microbial Induced Carbonate Precipitation) technology was used for silt biological grouting to improve soil. First, the changes of calcium carbonate precipitation volume with different concentrations of Ca/urea reaction solution or in different inducing environments (such as culture, filtrate and...