Advances in Engineering Research

In order to study the effect of strain rate on reinforced concrete columns under earthquake action, two group reinforced concrete columns with constant axial load were subjected to cyclic uniaxial and biaxial tests with different loading rates. The experimental program is described. Then, tests results...

With the world rapidly urbanizing, the phenomenon of urban sprawl is prominent, and long - term and sustainable urban planning development is of great importance. Smart growth is an urban planning theory with great superiority. This paper studies the evaluation of smart growth on urban development, in...

The missile launching control system is the core equipment of an air to ground missile fire control system, and the equipment equipped with the original test equipment has the problems of single function and low level of integrated support, so a new type of test equipment for airborne missile launch...

The establishment of scientifically sound deformation monitoring indicators is essential for ensuring the safety and serviceability of navigational structures. This study examines a large, reinforced lock-head structure and proposes secondary deformation monitoring indicators by employing a hybrid approach...

This study presents a disassembly-based failure analysis of four high-capacity Sea Water Lift Pumps (SWLPs) and one Fire Water Pump (FWP) operating in long-term offshore service to quantify the synergistic degradation resulting from Cathodic Protection (CP) failure and hydro-abrasive wear. Inspection...

Based on MSPA and circuit theory, the hot and cold sources, hot and cold corridors, pinch points and obstacle points in the main urban area of Lanzhou City are identified, and then the thermal environment pattern of the main urban area of Lanzhou City is analyzed.1) The heat sources of Lanzhou City are...

Based on 72 SD male rats were intermittent hypoxia training, observe its quiet state three hours after, immediately after exercise, and exercise changes the activity of SDH in skeletal muscle. Found that in the condition of the three, the rat skeletal muscle SDH has obvious changes, and presents the...

There are many factors that affect the performance of active power filter, which is a key factor for command current tracking control. Aiming at the deficiency of traditional PR controller, this paper puts forward an improved PR controller—vector resonant controller. The controller has the advantages...

FT-IR spectroscopy provides a measurement for fuel dilution in engine lubricating oil. Quantitative analysis techniques such as peak height and peak area could be employed in the analysis program of FT-IR spectroscopy. The accuracy of peak height method and peak area method is compared.

Hydraulic Confined Piston Engine (HCPE) is a new type power device especially suitable for hydrostatic driving vehicle. Its working process is influenced by complex coupling of liquid, solid and gas. Its working process simulation is the basis of later performance evaluation and design optimization....

The optical losses of the Fresnel collector’s mirror field are analyzed mathematically and optimization for the design parameters is made. In analysis of the optical characteristics, the optical losses of different segment are described according to the optical principles. And the optical efficiency...

The calculated lattice parameters and enthalpies of formation of A12Ca, Al2Sr,A14Ca, Al4Sr,Mg2Ca,and Mg2Sr phase in Mg-Al-Ca-Sr alloy system were compared with both calculation results and experimental data published in references available, and the structural stability of these intermetallic compounds...

This paper proposed introducing random variable test information into Bayesian prediction of long-term deformation for reinforced concrete structure, provided Bayesian prediction of long-term deformation for three reinforced concrete beams, and studied impact of prior distribution on the prediction results.

This paper presents the results of laboratory investigation, field geotechnical investigations and numerical analysis for understanding the stability of overburden Material including Fly ash in Jindal power opencast coal Mine, India. Numerical models were used for estimation of stability of the back...

Shipping is an effective solution to the current flowing bulk goods. Because it deficiencies that the shipping demand scheme is determined by experience. It proposed building demand integer programming model based on task constraints, estimated shipping demand scheme. Firstly, determine the sensitivity...

Converting the customer’s need into product requirements and making effort to realize the initial need in all phase from concept design to serial product is the key that automobile can fulfill consumer’s need before introduction to the market. Applying quality function deployment to summarize the customer’s...

The Peixian huxi County farm is a modern farm of the nature of collective management retained in the time of the planned economy. It is also a breeding base for hybrid rice in China. Under the macro background of the transformation of modern agriculture and the development of rural tourism, ecological...

In recent years the cargo carriage ramped up dramatically, the structure of the changed, the number of vehicles with a loading capacity over 7 tons has increased thus causing the increase in th load on road pavement. Modern regulations regarding the calculation of flexible pavement fall behind modern...

In this paper, 578 samples from Yulong County of Yunnan Province, Xiuwen County of Guizhou Province, Huili County of Sichuan Province, Jingbian County of Shaanxi Province, Qingcheng County of Gansu Province and Wulateqian County of Inner Mongolia were used to analyze the farmers' accepting willingness...

In today's industry, optimal control system which has reliable, stable performance and good man-machine interface is widely used. And state observer can solve the problem of the state reconstruction of the controlled system and create the condition for realizing state feedback. In this paper, the application...

Field experiments were conducted to investigate the most effective intercropping pattern of capsicum and maize/soybean to reduce the incidence of pepper phyllosticta leaf blight disease. The treatment combinations were P-mono, P2M1, P4M2, P6M2, P2S1, P4S2, P6M2, P4S1M1 And P6S1M1, (P, Pepper; M, Maize;...

University-enterprise cooperation is an effective way for private colleges to train applied talents. University-enterprise cooperation is not only a kind of education behavior, also a kind of economic behavior. Private colleges get rapid progress in collaborative innovation. From the nurturing mode of...

Climate change is related to greenhouse gases (GHG), one of the sectors that produces GHG is the livestock sector which comes from enteric fermentation and manure management in the form of CH4, CO2 and N2O. The livestock sector contributes around 18-51% of anthropogenic GHG. The national contribution...

QuillBot will write your text for you. Paste or write something here and then press the Paraphrase button. Climate change is marked by frequent occurrences of drought and huge waves, which affect agriculture and fisheries. These sectors are the major means of livelihood of the majority of households...

This research is exploring the need of development of student-cantered learning model textbook to teach mathematics through Innovative Learning II course. This course is compulsory course for students of mathematics education study program. The paper focuses on the preliminary research of the three main...

This study investigates the impact of claims management on sustainable practices in Ghana’s construction industry, examining how efficient dispute resolution influences project performance and the integration of environmentally responsible practices. A quantitative survey was conducted with 111 construction...

This research was conducted to obtain a comparison of the efficiency of using a pump concerning the final results, namely in the form of pressure and discharge, so that it can be used for watering oil palm seedlings that are far from water areas and difficult terrain. Based on the results of research...

The implementation of IoT technology in rural or remote areas with limited internet infrastructure poses a significant challenge, particularly in the context of IoT Smart Farming in Indonesia’s agricultural regions. Generally, IoT Smart Farming technology is based on WSN with devices spread across agricultural...

Niclosamide sustained release tablets with a long-term effect based on expanded graphite were prepared. Their sustained release properties were determined by using UV/VIS spectroscopy. The results show that the release rate of niclosamide decreases with the increase of the content of graphite in the...

Selecting a reasonable pile type and the pile foundation bearing stratum is important to design and construction in the karst area. It is needed to analyze the stress of pile foundation according to different types of karst caves. By numerical simulation, it is found that under the influence of the settlement...

The features of auto recalls caused by braking system defects in China are analyzed on the basis of official authority statistical data on auto recalls in China. This study shows that the braking system defects attributable to hydraulic service brake secondary assembly take the highest proportion among...

Transport infrastructure and services have a vital role to play in the economic and social development of any country. They were designed to facilitate the distribution and sale of income-generating products, to promote goods transit towards neighboring countries; and to facilitate trade between towns...

Al2O3 ceramics doped with 15%Nb2O5 and 7.5%La2O3 (volume percent) were prepared by microwave sintering at 1450 1550 for 30min. The effect of sintering temperature on the microstructure, especially Al2O3 columnar grains, and the fracture toughness were investigated. The results show that the phases of...

Stress response is the foundation for calculating a structure’s fatigue life during vibration testing. The frequency-domain method based on stress frequency-response function (SFRF) is widely used because of its convenience. For Gaussian random excitation, the frequency-domain method may have a good...

Advance borehole is commonly used to prevent outburst in driving working face, while the influence scope of drilling is limited in deep mining, resulting in large drilling construction and taking very long construction time. A slotting technology by using self-excited oscillation pulsed water jets is...

Tomography and surface-wave analysis are two established methods in seismic surveys and used successfully in near surface. Data acquisition, processing, and inversion of those two methods have been studied widely. Those two methods possess some different particular advantages respectively. We implemented...

In this paper, internal heat transfer process of vanadium titano-magnetite concentrate carbon-containing pellets was analyzed in direct reduction at different temperatures. The thermal conductivity of vanadium-titanium magnetite carbon-containing pellets at different temperatures were determined under...

Electrical power connector is generally a weak link in the power system, which is probably the most frequent source of detriment to the overall performance of a power system. In order to solve overheating of connector authors surveyed many substations in service and analyzed the deterioration mechanism....

For the problems of the collophane backwater in the production process, experimental study on the phosphate backwater in Yunnan has been carried. It examined the effect of main ions on the flotation backwater. It found that it will deteriorate collophane flotation index when the content of Ca2+, Mg2+,...

Plants play an important role on constructed wetland (CW) purification, especially for its rhizosphere micro-environment. Oxygen supplying, , microbial biodegradation, hydraulic transmission and impovement nutrient are all closely related to the root micro-environment. However, after a period of running,...

The built-in electric field across LaAlO3/SrTiO3 heterointerface, which hosts two-dimensional electron gas (2DEG), is studied by off-axis electron holography in transmission electron microscopy (TEM). On the contrary to the well-accepted polar catastrophe model, which indicates a Zener breakdown due...

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...

With the lack of fossil resources and the outbreak of the outbreak of global energy crisis, the urgency of energy transformation around the world has received more extensive attention. Therefore, the power grid, which is a vital section of energy consumption, has also faced serious problems, and the...

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...

Amid rising global demand for fresh produce and the central role of horticulture in Indonesia’s food security, this study develops a data-driven, machine-learning framework for multi-commodity classification to support evidence-based agricultural policy. We compile a national-scale panel (2009–2024)...

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...

Technology has become indispensable in the modern period to satisfy a wide range of human needs, particularly in the area of security. To protect sensitive data and precious assets from ever-evolving security threats, protection solutions must keep up with the times. Mechanical locking systems are vulnerable...

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...