Advances in Engineering Research

It is important to study the temporal and spatial distribution of water chemistry for the regional water resources management. In this study, in order to obtain the water chemistry distribution of Dou River Basin, collection and test works have been done for surface water and groundwater, and the results...

The removal of chromium (VI) from water with used cigarette filters was studied by column experiments. The effects of flow rate, input Cr(VI) concentration, and column depth on the yield of Cr(VI) removal were investigated. The results reveal that the yield of Cr(VI) removal rises with bed depth as well...

The hyperbolic curve model is erected, the least square method is used to obtain parameters of the hyperbolic curve model, parameters of the hyperbolic curve model are regarded as state vectors to contain dynamic noises to erect Kalman filter model based on the hyperbolic curve model, on the basis of...

Deformation Measurement is a large measuring deformation monitoring of bridge and the bridge is structurally controlled an important part of long-term monitoring and diagnosis of health. The article comprehensively analysis contemporary advanced measuring equipment and new technology, such as GPS global...

The volume clamp method is a kind of non-invasive continuous blood pressure measurement methods, the traditional method is to convert light into a weak current to collect the signal of blood volume pulse by a sensor. In the process of signal transmission, it can be easily disturbed. We adopt a new method,...

As large scale complex surface product encounters problems such as large point cloud data density, various redundancy points and heavy processing tasks in reverse engineering, the Thesis analyzes necessity of data pre-processing in reverse engineering. For dispersing of data measurement, coarse point...

Multipath interference is the main factor of wireless communication, especially in the dense multipath channel. How to improve the performance of the tunnel wireless communication is a hot issue. From the modulated carrier, spreading, multipath propagation, to de-spreading process gives theoretical analysis...

The open smart grid reference architecture (SGRA), based upon the GridWise© interoperability framework, has proposed real-time integration architecture, EDA and robust CEP as key enabling information architectural capabilities. EDA complements SOA in event based requirement analysis & design paradigm....

This control system is designed for process control experiment platform, which combines the advantages of LabVIEW and MATLAB , avoid the shortcomings of the two. Double tank water level control is the object of the system, using PCI data acquisition card to collect the data and send control signals,...

in this paper, the traditional plate cutting machine working principle and control requirements was analyzed. And the control system was designed. Through the analysis of the design of PLC type, input and output points distribution, external wiring, ladder diagram programming process, the plate cutting...

The technique of fish fishing by the traditional fishing group Tuak Sabu Lasiana still uses a lift net with lighting still using petromax lamps, where the fuel still uses kerosene at a high price. The use of electrical energy as a source of lighting on the lift net is crucial in fishing....

In this study, a three-hole wedge-shaped yaw meter is used to measure the mean flow characteristics of a circular whirling jet with a diameter of 60 mm. Three nozzles one for free jet and one for whirling jets at five and ten degrees are utilized in this experiment. The nozzles are all 3-D printed from...

Xiaokaxiu is a video-shoot application that offers entertainment functionality and helps users record their funny videos. This paper, by analyzing its present situation and users experience, concludes its needs for entertainment and different levels of pleasure, and then puts forward some follow-up innovative...

Treatment of toxic organic wastewater biorefractory due to lack of effective treatment methods became the difficulties in the field of water, humans and the environment caused great harm. In this paper, lead dioxide doped vanadium and titanium thin films were characterized and Photocatalytic. On this...

Analyses the measured data of water pumps in the 10 central air conditioning projects. The results show that the measured flow rate of pump is 19.3 percent higher than that of design flow rate on average, and the measured efficiency of pump is 58.8 percent higher than that of design value on average....

Aiming at the problem of image noise level estimation, this paper proposes an algorithm for noise estimation by singular value decomposition and neural network. The larger (head) parts of the singular values of an image are mainly affected by main structure of the image, and the rest (tail) parts of...

Low frequency oscillation has been a serious threat to security and stability of power grid, and how to locate the disturbance source accurately is an important issue to suppress low frequency oscillation. The existing location method has poor adaptability to oscillation with time-varying steady points...

This paper proposes a scheme for resource allocation of taxi. Using SOM neural network divides the area into several areas, and calculating taxi transfer number for each area by using a method of dynamic subsidy and GA-PSO algorithm. Before and after comparing with the scheme of the taxi demand matching...

First, I establish the L-WSCI model to compare water resource. There are 5 differentfeasible and efficient intervention plans: Water Project——south-to-north water diversion, desalination of sea water, recycled water treatment technologies,technology of drop Irrigation and urban greenbelt. We take all...

Aiming at photoelectric current transformer technology, this paper analyses the principle of passive and active transformer firstly, then discusses the main technical difficulties in this area currently and the development of optical current transformer. We hope all above can play a reference role for...

Al2O3 ceramic has the advantages of high mechanical strength, high temperature resistance, oxidation resistance, high hardness, chemical resistance and so on, due to its brittleness,that has restricted the more wilder application. This paper introduces the research state of Al2O3 ceramic toughening,...

A distributed hybrid renewable energy system for a household is studied and evaluated based on the data of electrical consumption and renewable energy resources. The hybrid system is comprised of a wind turbine, PV arrays, a biodiesel generator, batteries and converters. The aim of this study is to design...

The whole wave band CCD system is widely used for examining purple outside , visible light , infrared picture high-resolution show and professional pattern process equipment in real time. It can visible light picture turn visible light picture into in real time , can realize faint collection and high-quality...

Vocational High School (SMK) aims to produce graduates who are competent and ready to work. The competence of SMK graduates must be in accordance with the needs of the Business World / Industrial World (DU / DI). The industry’s need for manpower is not only based on hard skills and soft skills, but also...

The demand for efficient DC-DC converters capable of providing significant voltage step-up with minimal losses is critical in numerous applications, such as portable devices, electric automobiles and energy-efficient systems. Among the various boost converter topologies, the Boost Converter is widely...

Pollution of wastewater from the fuel and energy complex, petrochemical and metallurgical industries with heavy metals is one of the urgent environmental problems of modern industry. Arsenic, copper zinc, etc. its ions are highly toxic, accumulate in bottom sediments and disrupt biosphere processes....

Based on mechanical analysis of main beam structure in track hanging, the design optimization problem of weight of the girder structure was transformed into solution of optimal parameters values under mechanical constraints optimal parameters. Adopting structure geometry value as input parameters, structural...

In this paper, a specific florescence detection system for florescence isothiocyanate (FITC) was developed which could be controlled by the intelligent mobile phone through Bluetooth. FITC is a popular fluorescent dye in biological application. According to its fluorescent characteristic, the light emitting...

First,we analyze the effects of the bubble and human action on the model.Finally, we discuss the change of water temperature and plan when room temperatures changes.We take the water as surface layer and inner layer.There is static air storing in bubble.According to formula of thermal resistance of air...

Greedy algorithm is a common-used method to solve many different types of problems. Researches were done a lot that use greedy algorithm to solve classical transportation problems. This paper discussed how to apply greedy algorithm in transportation problems with warehouses location. The main idea of...

In this paper, in order to improve the thinking ability and get faster and better innovative ways in designing procedure, functional surface ,assembly relation and the knowledge representation method for instance is chosen as the emphasis of this paper .By studying the relationship between functional...

In this paper, we discuss the phase change flow of network and the change law of the network performance under different traffic input rates. Based on the stability conditions of the nodes and the system, the approximate expressions of the phase change flow of the network traffic are given. We also derive...

This paper presents an embedded terminal design based on ARM11 to implement multimedia information sharing and relay transmission between wireless terminal devices. Multimedia collection and wireless transmission to each other are easy to be realized based on an embedded board combined with a CMOS camera...

In this paper, based on the chemo-thermo-poroelasticity model of saturated porous medium undergoing the local thermal non-equilibrium (LTNE) conditions, the pore pressure and chemo-thermal stresses around a spherical cavity in an infinite fluid saturated porous medium subjected to sudden variations for...

In this paper, a new variable step size LMS algorithm based on cosine function is proposed. The weak signal is difficult to extract, so we constructed a new relationship between the step size and the error signal, which depend on the mathematical transformation of the cosine function, and also analyzed...

This paper introduces an adaptive merging method between point clouds from optical scanning system. The point clouds will be wrapped in the form of triangulated mesh. One is used as feature data, and the other point cloud as target data. Then the special mesh region that needs to be updated is automatic...

LUCC (land use and land cover change) has become one of the hotspots in global change research. Through literature induction, there are some differents between Chinese and foreign scholars in research direction and technical methods. Chinese scholars focus on researching changing laws, driving forces...

Safety is crucial in the shipping industry, however in the current export container activity there are many factors that can cause an accident. To prevent an accident, regulation play an important role. With regulation, safety can be implemented to decrease the risk. Therefore, IMO has amended the SOLAS's...

This study aims to develop an accurate and reliable model of greenhouse climate conditions. This research focuses on analyzing the complex interactions between temperature, humidity, light intensity, and airflow patterns in a greenhouse environment. Historical data analysis is used to create the model....

The simulation of hastelloy-c276 tube stagger spinning process was carried out by the finite element software of simufact to reveal the reason of defects of the tube. The magnitudeand variation rule of uplift and diameter extension defects were analyzed under different technical parameters. Experiments...

A microbial fuel cell (MFC)-based biosensor can be used to detect the water toxicity. In this study, the solitary and joint biotoxicities of heavy metal ions (Cu2+, Ni2+, Cd2+) and acephate were investigated using single-chamber MFC. The results showed that all the contaminants could individually inhibit...

This paper aims at designing a set of FPGA based phonetic intelligent home system, wherein this system completely adopts wireless communication technology to avoid rewiring problem and can control home appliances through voice recognition and infrared sensor, thus to phonetically turn on or turn off...

DMA is often used to transfer data between different kinds of memory-mapped slave endpoints. It is a common peripheral component for DSP. In order to make full use of the time during the reading and writing, this paper proposed an intelligent DMA. Compared with the traditional DMA, a newly designed operational...

Examination achievement management system is an important part of college educational administration system and plays an important role to improve the level of educational management. In view of the problem of the difficulty of software development, this article launches the research on the framework...

Concrete bridge structures are usually exposed to the natural environment. Because of sunshine, wind, precipitation, etc natural environment influence, the concrete structure is changing temperature. With the poor thermal conductive performance of concrete, the upper structure temperature gradient appears...

At first, this paper analyzes the family use combustible gases present situation and the existence risk, then atc89c52 single chip microcomputer based on, using sensor mq-2 gas concentration detection, to collected the gas concentration data as the basis for the control of sound, alarm device, to achieve...

We first get the conditions under which the elliptic system- ui = upi+1, us+1 = u1(i=1,2,…,s) has no positive radially symmetric solutions. Then by using this nonexistence result, we establish blow-up estimates for semilinear reaction-diffusion system uit = ui+upi+1 , us+1 =u1(i=1,2,…,s) with null Dirichlet...

With the rapid development of HVDC technology and the commissioning of the HVDC project in recent years, the HVDC control strategy has also been fully developed; As the particularity of the point-to-net HVDC, the control strategy of weak system at AC sending end HVDC has become a new challenge. On the...

Different with certificate approval on paper, online certificate approval is difficult to record approve information, operate complicated, find out the error location in the certificate and so on, so the applications don't work out well. This paper introduces the certificate approval way with floating...

A self-designed cathodic protection (CP) setup with an externally applied current was developed, using a copper wire ring buried in the soil layer, aligned with the anchor rod axis, as the anode, and the anchor rod as the cathode, connected to a DC power supply to form a current loop, to achieve rust...

When a disaster occurs, it is very difficult for people inside a large building to evacuate safely. We propose a framework of Intelligent Evacuation Guidance System for Large Building (IEGSLB). IEGSLB proposes a new method for the set of evacuation indicators, and fire detection and video surveillance...

To investigate the nitrate leaching risk of three red soils in subtropical China, this study conducted seven different manure treatments, namely, 0 (CK), 50 (F50), 100 (F100), 200 (F200), 400 (F400), 800 (F800), 1600 kg N hm-2 (F1600) with half of local conventional chemical fertilizers (N: 50 kg hm-2,...

As a unique visual form, optical illusion can play a stunning effect in a wide range of applications, such as home design, architectural design and graphic design. The previous theoretical researches on the optical illusion are productive, and the master of art and design even makes best use of visual...

Wind power prediction is important for the power system with plenty of wind power. This paper studies the method combined with empirical mode decomposition and extreme learning machine for short-term wind power prediction. The empirical mode decomposition method is utilized to decompose the signal of...

The advancement of electricity market reform and the outline of "Social Credit System Construction Plan" of the State Council all require the power industry to pay close attention to the construction of the electricity market credit system. In addition to the credit rating and credit regulation of power...

Stochastic medium model belongs to in-continuous medium theory. Open-pit slope and the slope are important excavation project that human utilize nature. In this paper, stochastic medium model was used in the foundation pit engineering ground surface movements. The adjacent ground surface movement and...

It is an important way to research the IC engine combustion process by calculating the heat release rate from the cylinder pressure. Basing on the NI PXI-8196 embedded platform system, the PXI-6229 multi-function data acquisition card is put into use to realize cylinder pressure curve point sampling,...

Sprouts being explants, the factors affecting in vitro culture and plant regeneration of L. edulis were optimized by orthogonal design and tissue cultured seedlings were obtained on culture media with different concentrations of hormones. The results showed that the optimum compositions for primary culture,...

In order to achieve the gradient metal high chromium cast iron which can fill the 3D network structure SiC porous ceramics, it was necessary to design cast iron materials with different performance by adjusting the experimental parameters. The cast iron material was fabricated by the molten casting method....

Air traffic control is also named flight control and it is the general term of supervision control and mandatory management implemented by relevant departments according to flight rules issued by the country for aircrafts flying in the sky. The main purpose is to maintain flight order and prevent collision...

This paper discusses the design of computer vision and odometer integrated autonomous navigation algorithm based on RatSLAM system for land vehicles. The research aims at testing the effectiveness of a vision/odometer bio-inspired navigation approach for land vehicle applications. Images and odometer...

For it is hard to develop experiments for the gun breechblock system, a shock test bed is designed for it. During designing, the breechblock operating force is one of the key test parameters of the shock test bed for gun breechblock system. In order to choose a reasonable value to open breechblock, influence...

Currently, the greenhouse effect is becoming increasingly serious, and biological carbon-fixation, especially microbial biological carbon-fixation, can play a unique role in curbing the greenhouse effect．CO2 and N2 are the major greenhouse gases. In this study, a facultative CO2 and N2 fixing bacterium...

Dairy goat farming is one of the promising areas of animal farming. Modern milk production necessitates not only certain technical solutions in production arrangement, but primarity high yield animals adapted to industrial production. Saanen is one of the most fitting breeds for milk production. This...

It is indispensable to scientifically predict the consumption of air material spare parts and to make scientific decisions on aviation equipment maintenance resources and make full use of existing resources to improve maintenance capability. In the process of aviation equipment maintenance and support,...

A kind of disturbance observer method was adopted in backstepping controller design of pitch channel missile control system. Not only the outer disturbance but also the inner uncertainties of missile model can be estimated by two disturbance observer. Also the stability of the whole system was proved...

The application of machine vision in autonomous vehicles has become a focal point of innovation, integrating advanced sensors and sophisticated image processing algorithms to redefine driving safety and comfort. High-definition cameras, 3D LiDAR, high-precision radars, and ultrasonic detectors are at...

Ship weather routing is used to obtain a shortest time path or most economical path considering weather condition. Many approaches have been studied to solve ship-routing problem, and Dijkstra algorithm is quite practical among them. A modified Dijkstra algorithm using structure matrix and single linked...

In the new era, the channel that people obtain scientific information has undergone major changes. The traditional working mode of editors of sci-tech journals can not meet the developing needs of the new situation. To improve the efficiency of sci-tech journals editing and publishing, shorten the publishing...

The vibration analysis model of slab mill is established in this paper according with the multi-body dynamics theory. The relationship between the vibration displacement and time of the support roller in different conditions is obtained through simulation analysis. Under different damping conditions,...

Nickel oxide/nitrogen-doped carbon nanotubes catalysts for the (ORR) were fabricated using a simple chemical plating method. Scanning electron microscopy (SEM) and Energy dispersive spectrometer (EDS) was used to characterize its structure. Electrochemical method studies show that the nickel oxide/nitrogen-doped...

Considering the shortage of water resources in Henan Province ,we draw up an intervention program to mitigate water scarcity. The model described in this article is established for researches of transporting water from the Danjiangkou reservoir to Henan Province. The water movement reduces the uneven...

This report builds a s-type curve model which defines the change of per capita water consumption following the change of GDP, and it defines the rate of per capita satisfaction of using water which is considered as the index to judge the ability of the region to provide clean water to meet the needs...

The article presents algorithms for the control of a robotic complex for building products using 3D printing, including a module for the main movements and a module for precise movements based on a robot with a cable drive. The description of software modules for the implementation of algorithms and...

To investigate the pollution situation of Pb in Zhengzhou city and obtain high bioaccumu- lation green plants, the Pb contents of plants leaves from the green belts on major traffic roads in Zhenzhou city, were analyzed by using graphite furnace atomic absorption spectrometry . The results showed that...

This paper analyzed the basic principles of the alternating current withstand voltage test technology work of the same frequency and phase.And at the same time analyzed the danger that exist during the process of the test that basic on the GIS equipment,put forward corresponding preventive and control...

Construction and lifting technology of column subsection is the key to build the lower hull of tension leg platform (TLP). Reasonable block dividing and build process could reduce the fabrication of dock workload, control welding distortion and dimensional accuracy and shorten the construction period....

In order to test the predicting ability of numerical calculating and provide the reliable data for the successive design, this study was designed to trace the particle path in the complete fluidized flow field in the slag cooler according to the characteristic of the gas-solid flow by the Euler-Lagrange...

The organics in the water after advanced treated and to be disinfected are classified basing on different characteristics. Compared with chlorination, the control of DBPs formation from different organics by chloramination is studied. The test results show that, the chloramine can reduces the TTHM and...

In this paper, a mathematical model is established to apply for orientation distribution of short fibers suspensions in shear-equibiaxial extensional flow. Furthermore, the result of differential equation on plant fibers orientation can be acquired in complex flow.

With the development of the Internet and WEB technology over past years, a scoring statistical prediction model can be proposed given the item similarity and the recommended precision, so as to define users and item information. Based on this, a linear regression forecasting model is built and a corresponding...

This study added fly ash in cement mortar to replace some cement,using three grades (GradeI II III )and three contents (10% 20% 30%)of fly ash respectively to make nine kinds of cement mortar specimen. Standard curing periods were respectively 3,7,14,28 days of each kind of specimen. The compressive...

Aircraft type recognition is a problem and key factor of safe docking of aircraft in airport auto-docking guide system. Based on adaptive weighted morphology tree classifier algorithm, it is approved for aircraft type recognition to solve the key issues to docking guide, useing image analysis and recognition...

The night vision vehicle head-up display is a new type of vehicle night-assisted driving man-machine interaction device. It has obvious advantages in use. But because the device is the main source of visual information for the driver at night. If the design is not appropriate is likely to cause danger....

MSMEs (Micro, Small, and Medium Enterprises) have a strategic role in improving the community’s economy. As a center for wood carving, most MSMEs in Jepara have not yet utilized information technology optimally. They tend to use conventional marketing methods. As a result, they have to face a severe...

Reinforced concrete hollow columns are often used as structures with high stability requirements such as piers and large frame columns due to their light weight and relatively large cross-section. When the structure is subjected to lateral impact, it is more likely to be damaged. To investigate the influence...

A glider is a kind of fixed-wing aircraft that does not use any power. After takeoff, it relies on the reaction force of the air acting on its lifting surfaces for free flight. So, an experiment is designed to research some information and the relationship between gliders. The method of controlling variables...

Baosteel cold rolled sheet production equipment technology has very important position in Baosteel steel pro-duction, and the DSR roll is the key components in the cold rolled sheet production equipment. This paper conducted the research on key technology of DSR roll, in view of the DSR roll exposed...

Toluene, methyl ethyl phthalate amines, methyl ethyl ketone and ethyl acetate are used in China more vinegar several solvents, in the course will emit large amounts of volatile organic gases, serious harm to human health and the environment, it must be recycled or disposed of these gases. In this paper,...

According to the problem that the current residential space tension, more and more folding furniture are produced. In this paper, the dynamic equation of the folding table is obtained by using geometric knowledge and nonlinear constrained optimization model, and it illustrates the curve fitting model...

For the production formulas of the gas reservoirs with bottom water, the models established in the past consider that only a small part of the gas layer is perforated and the entire region under the perforated zone is considered as the hemispheric flow, ignoring effects of the opening degree and formation...

This paper analyses the background of the proposal of sustainable development in detail. The essence of sustainable development is revealed. The energy analysis method for sustainable development is presented. Some practical advices on the implementation of sustainable development are given. The work...

The Microwave plasma chemical vapor deposition (MPCVD) method was used to make diamond film in this paper. The influence of working gas supply mode and velocity were investigated using numerical simulation method. The distribution of gas flow rate at two different gas supply modes was analyzed by software...

In the making and erection process of wall-column structural system of electrostatic precipitator casing, the imperfection will be produced inevitably and influence the stability of the column. It's necessary for numerical simulation model that the imperfection is taken into account when the numerical...

In this paper, we focus on the efficient algorithm for solving the multi-commodity flow problems involved in TE and develop an improved approximation algorithm (i-FPTAS) based on the Fully Polynomial Time Approximation Scheme (FPTAS), with aim of greatly improving computational efficiency without compromising...

With the development of autonomous driving technology towards L3-L5 level, high-precision environment sensing becomes a core challenge for system safety and reliability. This paper systematically reviews the latest advances in autonomous driving sensor technologies, covering performance optimization...

In the past few years, the field of artificial intelligence (AI) has experienced explosive growth. Large language models (LLM) such as some AI developed for chat and information generation have drawn massive attention from the public, and more robots for commercial uses are implemented with them. However,...

Building sunshade components can effectively control solar radiation getting into the room and play an important role in the building thermal insulation. The study takes the west facade of the graduate dormitory at Guzhenkou Campus of China University of Petroleum as the research object. The angle, length,...

Wetland is a valuable natural resource, with irreplaceable ecological functions. With the development of industrialization, urbanization and population growth, wetland area is decreasing. And ecological functions gradually weakened. Based on TM remote sensing image from 2000 to 2011, this paper built...

Intrinsically Disordered Proteins (IDPs) are a class of proteins that have no sure tertiary or secondary structure in the natural state. They are widely found in nature and involved in cell signal transduction, regulation, and protein interactions with a wide range of human diseases related. The research...