Advances in Engineering Research

The nonlinear frequency modulation technology is applied to the fuze detection system, which makes the modulation signal in a period of a nonlinear change, so that the interference of the enemy is difficult to detect. Studies have shown that the fuze system has good speed resolution performance and the...

In this paper, the model-box system and demolding mechanism of gypsum block molding machine are designed using 3D modeling software. Then the movement simulation of gypsum block molding machine is completed. This is helpful to shorten the design period and improve the performance of product.

Recently, food safety incident takes place frequently. As the last link of the future food supply chain, large-scale shopping mall is especially important in the safety guarantee of food. Through establishing management information system for large-scale shopping malls, this study can help large-scale...

Objective: To observe the change ofFusen herbal tea of spleen deficiency rats induced by rhubarb and stomach tissue morphology. Methods: rats were given continuous 17D two times daily intragastric administration of 15% rhubarb powder suspension (5 mL) model, divided into large dose small dose of Fusen...

The methanol extract of Schisandra chinensis is evaluated for their antimicrobial activity and mechanism on four common gastrointestinal bacteria. The antimicrobial activity is tested through inhibition zone, MIC and MBC. The antibacterial mechanism is studied based on the growth curve and cell membrane...

In recent years, science and technology change with each passing day, people's impacts on the natural environment are growing, too. Because of its high separation efficiency, simple operation, and so on, membrane separation technology is applicate by the worldwide. In the membrane separation technology,...

The proposed mathematical models for the calculation of the temperature field and the process of nucleation and growth of a grain in the electrode material of a plasmatron allow conducting numerical simulation of various modes of operation of a hollow cathode and evaluating the change in the structure...

Several problems can be changed as equations of the form Tx = x, where T is a given self-mapping defined on a subset of a metric space, a normed linear space, a topological vector space or some suitable space. However, if T is a non-self mapping from A to B, then the aforementioned equation does not...

Modified mechanism of asphalt of PPA in conjunction with SBS is studied on from the microscopic view by experiments. These experiments include four constituents fluorescence microscopy infrared spectroscopy and DSC. The results show that the proportion of asphaltene increase and the proportion of colloid...

The paper designed a method to get hot water by combining heating method composed of solar collector and air source heating pump to change the former situation of environmental pollution and energy wasting brought by original oil-fired boilers.The control system offering user-friendly human machine interfaceadopting...

In order to solve the problem of determining the value of mechanical parameters of ice in the prevention and cure of ice flood disaster, on the basis of experimental methods of classical mechanics, through improving the test equipment and controlling test conditions ,we obtain the strength, deformation...

A energy-absorber device with gravity pendulum of car seat headrest is introduced in this paper, and has a analysis at the dynamic characteristics of headrest by use the method of three component-force detection. A force measuring system from the three component-force detection is brought up to reseach...

With finely ground waste cathode ray tube glass sand, respectively replace 20%, 40%, 60% the proportion of ordinary sand in mortar, fly ash as mineral admixture in 0%, 10%, 20%, 30% the proportion of replacing cement.A total of 12 sets of mortar specimens were prepared.Use Accelerated Mortar Bar Test...

This study checks and analyses the design of a disk braking caliper bench testing machine, to testify its moving characteristics. The analysed objects include rotating axes and four weighting disks. The first procedure is to use the design software SolidWorks to build axis and weighting disks models....

Currently, the new electro-optic properties of polymer dispersed liquid crystal (PDLC) have attracted considerable attention. By adding the thulium oxide nanoparticles (NP) of Gd2O3 to PDLC, and testing transmittances of PDLC changing with voltage in visible light, and studying the thulium oxide modulation...

The coming of the Internet + Era provides new chances and opportunities for protecting and inheriting Central plain martial arts as an intangible cultural heritage. The Central plain martial arts established the database of the intangible cultural heritage of Central plain martial arts by combining with...

The author analyses the infinite bus power source model used in the power system dynamic simulation lab, and make further study on the industry standard for the Dynamic Test of the Power System Protective Products, then introduced a design scheme for the infinite bus system dynamic model, based on which...

A method for the fabrication of double-cone shape pores in polyethylene terephthalate (PET)-based nuclear track membranes (NTMs) is presented here. PET films of 25 æm thickness were irradiated with Bi ions (kinetic energy 9.5 MeV/u, fluence 5ž107 ions/cm2) at room temperature under vacuum at the Heavy...

A strength model was presented to give the mechanical explanation of the punching phenomenon, and to predict the punching shear strength of the interior reinforced concrete (RC) slab-column connection without shear reinforcement. The model assumes that the punching shear force is resisted mainly by the...

A 2- Degree Of Freedom (DOF) planar parallel mechanism is introduced and the inverse solution of the kinematics and Jacobin matrix and workspace analysis are carries out. The mathematical conditions of which the singular configuration of the manipulator occurred based on Jacobin matrix and the relationship...

In order to improve friction reducing effect of the lubricant oil used in automobile engines, taking a type of lubricant oil as the blank sample and eight kinds of test oils were prepared by adding in seven types of friction reducing agent. By doing friction-wear tests, SEM detections and 3-dimensional...

This study aims to describe the validity and practicality of developed scientific literacy worksheets. The validity of worksheets is reviewed based on contents and concepts, while the practicality of the worksheet is reviewed based on student responses supported by observations of student activities. This...

A hydraulic control system for tank cleaning robot based on PLC was designed to afford the operating safety and flexibility. Firstly all component elements of the hydraulic control system were confirmed after analyzing the structural characteristics and functions of the robots. secondly, on the basis...

The purpose of this experiment is to study the heavy metal pollution degree in two kinds of aquatic plants, iris pseudacorus and sagittaria sagittifolia, and accumulation effect on heavy metal pollutants, and compare the iris pseudacorus and sagittaria sagittifolia's tolerance on Pb tailings exudated...

Onset of super-knock in highly intensified spark ignition engines poses a great threat to the reliability. In this context, An approaching attempt was exerted on the initial condition of C2H2-O2-N2 mixtures ignited within a constant volume vessel, in order to determine the critical condition of knock...

In order to solve the problem of inefficiency and models' lack-of-reusability in traditional M&S (Modeling and Simulation) development of space range. This paper researched on three CBD (Component-based Design) technology and made an overview on their specifications and applications. After that, comprehensive...

Aromatic hydrocarbons are the main composition in coal tar from industrial coal processing process, which have long been recognized as the major environment pollutant. The biological toxicity of aromatic hydrocarbons are closely related to their structural configurations. In this work, detailed composition...

Solar thermal power generation device is based on Shape Memory Alloy, utilizing the shape memory alloy effect to convert thermal energy to electrical energy. Since clean energy, like solar power can contribute to sustainable economic development, we design a solar power generation device: Solar thermal...

In recent years, the continuous innovation of new media technology has injected new vitality into the 3D animation industry. The speed and quality of its propagation directly affect the visual perception of animation. This paper focuses on the characteristics of Internet multimedia communication, compares...

A surface patrol robot with separate upper and lower structure and equipped with a water meter and lifesaving equipment throwing device is proposed. The robot can patrol scheduled water area, monitor water quality in real-time, rescue drowning persons and perform other tasks. The robot is modular designed...

Intelligent video surveillance has been developed rapidly and broadly in daily public security and various civil applications. To establish an effective and standard performance evaluation, an appropriate metric is very important. This survey summarizes the state-of-the-art of performance evaluation...

PT. Adhi Persada Beton is a subsidiary of PT. Adhi Karya (persero) tbk, which produces precast concrete, including spun pile. There was a problem in spun pile production; the average percentage of spun pile defects was 0.71%, exceeding the company standard, which was 0.5%. Therefore, this research was...

Wireless power transmission through inductive coupling, also known as resonant inductive coupling, is an innovative technology that enables the transfer of electrical energy without physical connections. Rooted in the principles of electromagnetic induction, this technology establishes a magnetic field...

The detection of tumors is the most difficult aspect of quantitative brain tumor evaluation. Magnetic Resonance Imaging (MRI) has gained popularity in recent years due to its non-invasive and powerful soft tissue contrast. MRI is a frequent imaging method used to detect brain cancers. The MRI produces...

In response to the challenges faced in Safety Production Supervision during the digital and intelligent transformation of dry bulk terminals—such as data silos, reactive responses, inflexible systems, and poor coordination—this paper proposes and constructs a framework for an “Intelligent and Collaborative...

The performance and reliability of solar photovoltaic (PV) systems are critically affected by defects such as cracks, chips, hotspots, and delamination, which can arise during manufacturing, transportation, or operation. Early detection and classification of these defects are essential to ensure optimal...

The bottleneck in the development of ad hoc network is analyzed. Points out the physical layer application of new transmission technology is network bandwidth optimization approach, however, strengthen the its effec-tiveness and performance needs reasonable design of MAC layer and routing layer and cross...

In regard to automatic quality inspection for label printings, a reference region is necessary for finding the region of interest. With such a reference region, the defects of the region of interest can be analysed. The reference region should be unique, stable and have a high contrast against the background....

Carbon anode is an important material of aluminum electrolysis, its performance directly affects the aluminum electrolytic consumption and the quality of the electrolytic aluminum. The control range of ingredients is determined by the meaning of mixing, the quality control point is determined by coupled...

The 3D printing technology for continuous carbon fiber composite can combine the advantages of high mechanical properties and unlimited model structure complexity to complete the rapid prototyping. Because of the continuity characters of the carbon fiber composite, if the nozzle temperature is too high,...

With the gradual release of the electricity retail side in China, more and more subjects are involved in the electricity retail market. The subjects in the market achieve their needs through specific trading patterns. This paper aims to build a grey comprehensive evaluation model by constructing the...

The vertical and torsional vibration basic frequency estimation formula of suspension bridge on "Wind resistant Design Specification for Highway Bridges" is introduced. Finite element model of HUMEN suspension is established. Whole vibration models and frequency are obtained by modal analysis, and it...

In this study, three-month-old APP / PS1 double transgenic mice were subjected to ultrasound intervention for investigating the effect of ultrasound intervention. The Morris water maze test showed that the ability of learning and memory of US group was significantly improved than that of the AD group...

Two typical civilian dwellings, the earth dwelling and the brick and concrete dwelling, in northwestern areas of China were investigated, on-site measurement on winter outdoor meteorological parameters, indoor air temperature and relative humidity were conducted. The paper analyzed space arrangement,...

The low-resistivity covered layer has shielding effects on transient electromagnetic (TEM) field above prospecting target. The probing depth of TEM depends on observation time. So, it is of great guiding significance to study the estimation method of observation time with low-resistivity covered layer....

In order to estimate the scales and subsidies of China's offshore wind power before 2020, the annual generation of China's total planned offshore wind power projects was analyzed and calculated based on existing engineering data as well as offshore wind resource data, performance parameters of wind turbines...

This work applies the radial basis function-finite difference method (RBF-FD) for the solution of 2D elastic problems. Compared with traditional finite difference methods based on polynomial interpolation, the RBF-FD does not require a regular arrangement of nodes but can achieve high accuracy. With...

In order to analyze the wind power acceptance ability of the power grid, the assessment model of the wind power acceptance ability which takes power system economy into consideration has been established in the paper. On account of the contradiction between the utilization of wind power and the power...

We propose a novel carrier phase recovery algorithm based on constellation partitioning and maximum likelihood phase decision (MLPD) for square 16-ary quadrature amplitude modulation format in optical coherent transmission systems and verify its performance by PDM-16QAM simulation. Compared with classic...

In order to reduce the impact on the psychology of appearance defects for upper limb disabled, this paper tried to weaken the physical defect characteristics, using stripe design to transfer focus on defective parts of the disabled. The parameters of horizontal and radiation stripes were confirmed and...

Manganese adsorptive removal is an important treatment process in constructed wetlands to deal with considerable amounts of tailing wastewater, many materials have been proposed for its removal. This work is aimed to examining the potential of biochars sorbent materials for removing Mn ions from manganese...

The joint replenishment and delivery problem with fuzzy chance constraint resource restriction is considered. In the proposed approach, the objective function is to minimize the ordering cost, the inventory holding cost, the transportation cost and the customer waiting cost. Mathematical model is developed,...

Fiber is capable of improving the corrosion resistance and freeze-thaw durability of concrete of airport deicing platform. After 300 freeze-thaw cycles, the relative dynamic modulus of plain concrete is reduced to 73.46%, and the relative dynamic modulus of fiber concrete is about 80%, that is, the fiber...

A damage location method based on the changes in curvatures was developed for curved structural member. First, the curves of intact and damage members were fitted using least square method. Then, the curvatures of intact and damage members were calculated by the fitted curves. Finally, the damage was...

Roasting profile has been considered as one of important factors governing the quality of coffee. Kintamani coffee is popular because it has strong notes of citric acid and brown sugar sweet. Those sensory characteristics are attributed by different roasting profiles and brewing methods. Cold brew is...

The article analyzes the electrical power system of a machine construction workshop where optimal positioning of power sources (power substation, distribution points) has to be determined so as to lower the metal consumption. The goal of the work is to develop a model of an efficient electrical power...

Aims at putting product design into practice,Renjiatai trial is designed to investigate the rebuild model of coastal villages in eastern area of Shandong.Based on the requirements from being both product and art output, we tried to investigate the commercial and art value of the traditional architecture...

High thermal stresses developed in coke drums can lead to fatigue crack initiation and subsequently growth until premature drum failure. To predict the fatigue crack initiation lives of coke drums, a cost-efficient method was proposed using Monte Carlo simulation in this paper. Strain data on the critical...

Based on coal and gas outburst factors, combined with single gas risk index and comprehensive evaluation method to select evaluation index, in order to evaluate coal and gas outburst, evaluation of coal and gas outburst is established t-s fuzzy neural network model. Combined fuzzy logic and neural network,...

Taking Chongqing Metro Line 5 tunnel project as an engineering example, which is a shallow buried large section tunnel. Study on the length of core soil in the tunnel excavation. The numerical simulation software MIDAS-GTS was used to establish the three dimensional solid model which under different...

The purpose of this paper is to determine the level to which organizational culture is an expounding variable for the employee's performance that leads to overall organizational productivity. Alharbi Awadh (2013) found that the organization culture helps in internalizing joint relationship that leads...

The study discusses the prospects of developing a strategy for greening the urbanized environment of the arid territory in the South European part of Russia using the example of Elista, the capital of the Kalmykia Republic. We present the main approaches to designing the ecological framework of an urban...

This study aims to analyze the performance of the Arabica coffee supply chain in Kerinci Regency. The selection of the research location was carried out deliberately, on the grounds that the research area was a center for Arabica coffee. The determination of farmer respondents was carried out using simple...

The optical concept is an important concept that must be mastered by pre-service teacher. The concept is not only obtained theoretically but also through scientific process skills. This requires an optical module based on process skills to assist students in mastering optical concepts. This study aims...

Bali consists of nine districts where aside from working in the tourism industries, the citizen also works as an artist and craftsman. The craftsman produces several kinds of handicrafts such as sculptures, souvenirs, metal crafts, and others. Generally, the craftsmen in Bali are categorized as micro,...

This study examines the selection of disaster evacuation sites in Meuraxa Subdistrict, Banda Aceh, as a critical aspect of disaster mitigation. A survey of 305 respondents was evaluated using two binary logit model approaches: manual calculation and SPSS-based analysis. The findings indicate that distance...

The existence of micro-scale goat farmers, with fewer than 15 goats, helps stabilize the rural economy through job creation and income distribution. However, the potential of micro farmers’ resources is underdeveloped, which causes the economic added value of goat farming to be low. Goat farming on a...

Countries along the equator receive a relatively high level of solar radiation, which is crucial for solar power plants. In this context, Indonesia is well-suited for the implementation of solar power plants. The amount of power generated by a solar power plant is directly related to the intensity of...

The paper presents a risk-oriented approach to project management from the standpoint of events and risk factors. Risks for compliance with the time characteristics of the project are considered in more detail, as one of the most relevant ones in the implementation of the project. As the main tool for...

Bamboo is the world’s fastest-growing grass species. Although bamboo is a resilient and sustainable engineering material, its use in the building sector has been limited. The limitation in the usage is most likely due to its nature, which might vary depending on the species and origin, creating a challenge...

The landing gear plays a role in supporting the weight of the aircraft while on the ground, and the characteristics of the landing gear vary according to the characteristics of the aircraft itself. The Grob G120TP-A aircraft utilizes Retractable Tricycle Landing Gear. With a three-wheeled structure,...

Research background: In recent years, with the continuous occurrence of extreme rainfall, excessive concentration of rainfall occurred from time to time, and dike breach was one of the most harmful disasters in flood disasters. For example, in July 2024, a dike breach occurred in TuanzhouDongting Lake,...

In view of the problems of large heat consumption and low heat utilization rate in SAGD (Steam Assisted Gravity Drainage) development in mid-deep super-heavy oil reservoirs, the causes and influencing factors of heat loss in each phase of SAGD development were analyzed by referring to the actual production...

In consideration of the disadvantages of the traditional contact-type measure methods for deformation measurement in large section roadway, the in-situ measure method and tool is developed with the theory of laser-based distance measuring. The novel multi degree of bracket set makes a stable connection...

This study intends to use the National Health Insurance Research Database to collect "Cohort Dataset". NHI enrollees from 2013 to 2014 before random sampling for analysis in accordance with code 430 to 437 of the International Classification of Diseases, the 9th Revision. By constructing hierarchical...

With the popularization of WiFi infrastructure in the indoor space and the rapid development of mobile intelligent devices, it brings new vitality to indoor positioning applications. The indoor positioning method based on WiFi is affected by the interference of indoor environment and the heterogeneity...

Continuous roll forming is a new sheet metal forming process for three-dimensional surface parts. In the process, the sheet metal is thinned non-uniformly in transverse direction by controlling the distribution of the gap between the upper and lower forming rolls, the longitudinal elongation is different,...

This paper demonstrates that an arbitrary -qubit state can be faithfully and deterministically teleported from Alice to Bob via pairs of EPR channels. The analytical expression of the reconstruct criterion is derived explicitly in the most general case, with a strict proof through mathematical induction...

Rising CO2 is predicted to impact global warming, and the city is the most important carbon source. Based on the theory of unban carbon sink , we surveyed the the most important carbon source and sink inffect factor, and take them as the constraint conditions of urban ecological space by calculating...

By introducing degree of difference among classes, an improved mutual information feature selection method is proposed to effectively improve the accuracy of feature selection, accuracy and efficiency of classification. At the same time, relative frequency factor is applied to solve the tendency of traditional...

Combined with artificial neural network of good features, using the orthogonal experiment data obtained as the training sample of neural network we established a neural network model of the input for the process parameters, output for the springback amount, and the accuracy of the ANN model was verified...

Earth pressure is usually measured by the earth pressure cell. Calibration parameters from the manufacturer is often obtained conducting calibration in the gas or liquid systematically with a set of pressure, which can not be used in soil test directly. Therefore, in order to find out a well-matched...

Wind power is an important part of the new energy in the rapid development of the world. Wind turbine tower play a role for wind power and normal production safety. In this paper, using a power of 5MW horizontal axis wind turbine as a prototype, design a new steel concrete lattice wind turbine tower....

In this work, the realization of density reinitialization with Smoothed Particle Hydrodynamics (SPH) techniques is examined. A self-adaptive density reinitialization method is proposed. Instead of using fixed step intervals for reinitialization, this method obtains oscillation of density field by introducing...

According to GB/T 19963-2011, taking a mega kilowatt wind power base as an example, study the factors that impacts dynamic reactive power support of wind farms consist of DFIG (Doubly-Fed Induction Generator), such as different types of reactive power compensation devices, performance behavior of wind...

Earthquake early warning system is a new means to effectively reduce the earthquake disaster. There are many countries and territories in the world have developed a number of specific facilities, a single city or even larger areas of the earthquake early warning system, and some earthquake warning system...

Affected by environment elements ,the degeneration of mechanical property for Carbon Fiber reinforced Polymer Composites(CFRP) under marine environments is an important engineering problem, and the key segment on solving this problem is how to reappear the aging course of CFRP in marine environment truly...

At present, there are not enough research for the intact loess and remolded loess collapsible; There are tests for the some region loess, to study the law of collapsible.The results showed that: The curve of intact loess and remolded loess collapsible deformation is defined by two turning points and...

The problem of lower main steam temperature(MST) of a supercritical boiler designed for burning high moisture lignite is analyzed. By comparing to another structure-similar subcritical boiler, the effects of coal, furnace size, combustion mode and heating surface distribution are studied. The results...

Unordered tree mining has important research value in the field of XML data, bioinformatics, Web structure. In this paper, we propose a disorderly tree mining algorithms-UTMiner (Unordered Trees Miner). Because the tree has a disordered mining property, so in order to avoid digging out the same sub-tree,...

Zeolite, haydite, tire crumb, volcanic and vermiculite were selected as potential substrates of constructed wetland. This study investigates the adsorption of the mixed substrates for removing nutrients. A series of batch test experimentations was performed. The results indicate that there is an obvious...

Three kinds of optimization evaluation method of distributed combined cooling heating and power (CCHP) system are analyzed, including thermodynamic performance evaluation method, environmental characteristics evaluation method and economic evaluation method. The objective function is determined as the...

this document introduces the requirement of identity management in business and the enterprise product WSO2 Identity Server, as well as the key components: Inbound authentication, Authentication framework, Local authenticators, Federated authenticators, Provisioning framework and IdP and SP configurations....

Voice control has been a popular human machine interface in electrical equipments including the smart phone device. Voice control on smart phone still suffers from inconvenient operations due to the limitation of the extremely short distance between the human operator and the phone device. This paper...

Choosing cement and lime as inorganic binder, stabled chromium slag and then did the tests of the compaction, unconfined compressive strength and the stability for studying it as road base material, perfected the base material mixture ratio design and comparatively analyzed its mechanical properties...

A mutual information-based unsupervised feature extraction method of transformer surface vibration is proposed in the paper. Wavelet packet analysis is used to extract surface vibration signal frequency band-energy features of the transform in operation and complete its signal representation. Relevance...

The anaerobic effluent from cellulose acetate wastewater was used as experimental object, removal rates of organic phosphorus and CODCr are used as index, the influence of reaction time, Fe/C particles, original pH value and current density on removal rate were investigated by electro-Fenton. The results...

Trucks are one of the most important tools for port transportation. However, at present, many ports companies in China have a lower level of intelligence, even some port companies still use the on-site guidance methods of weighman to weigh. This kind of manual intervention has low efficiency, high error...

Tree obstacles are trees that may affect the safety and stability of power transmission lines. The paper introduces that the high-voltage transmission line is an important part of the power grid. In the construction and operation of the transmission line in China, it is often challenged by environmental...

Taking the rubbish in the campus of Shanghai Electric Power University as the test object, the single-factor and three-factor five-level orthogonal test design methods were adopted to conduct an experimental study on the cleaning performance of the road cleaner cleaning system and obtain the optimal...