Advances in Engineering Research

This paper described the distance metric of the Euclidean distance of SIFT operator and Hamming distance of BRISK operator represented based on OpenCV to extract and descript feature points on the two relatively low altitude remote sensing images , and then chose BruteForceMatch (violent match) and FlannBasedMatch...

This paper deals with two Parallel Surface Cracks of infinite plane. By using a hybrid displacement discontinuity method (a boundary element method) proposed recently, two Parallel Surface Cracks of infinite plane models are analyzed in detail. By changing the geometrical forms and parameters of crack,...

Recently,the interest in purple sweet potato has increased due to its high nutrients content. In order to improve the drying quality of purple sweet potato, in this study, response surface methodology (RSM) was used to optimize operating conditions of the purple sweet potato in a hot air drier and quadratic...

For many years the low pressure mercury lamps are widely used in general lighting and ultraviolet radiation. Because of its strong 254 nm ultraviolet and 185 nm vacuum ultraviolet radiation, it has played a very active role in environment, agriculture and medical fields. In environmental treatments,...

The effects of applying four accumulator species (Conyza canadensis, Eclipta prostrate, Nasturtium officinale and Cardamine hirsute) straws in cadmium (Cd) contaminated soil on phosphorus (P) and potassium (K) uptake and soil enzyme activity of Capsella bursa-pastoris were studied through a pot experiment....

In the field of computer vision research, moving target tracking of sequence images is not well solved, and is an old, important and challenging task. Fast and accurate completion of moving target tracking is very an important and difficult problem. In a dynamic environment, moving target tracking is...

As a special kind of linguistic phenomenon and bridging ties, Semantic association ellipsis is a kind of semantic vacancy, omitted contents can't be recovered through context, the understanding of ellipsis is a difficulty in the study on semantic association ellipsis. This paper which based on the ICM...

Microstructure and facture morphology of the W6Mo5Cr4V2 steel were investigated by optical microscope (OM), scanning electron microscope(SEM) and Rockwell hardness tester , in order to figure out the reasons of brittle fracture and crack. They show that the carbides inhomogeneity is very serious and...

The paper focus on the problem that a certain type of rapid rate firing gun, which the army equipped, it's muz-zle velocity is difficult to measure. On the basis of summing up the advantages and disadvantages of all kinds of muzzle velocity measurement method, the paper put forward the phase measurement...

This paper did carefully research on the principle of point test method for semiconductor devices testing, and pulse step current source and voltage source was developed. Verification system of the interval pulse IV test method was developed to identify the relationship of the pulse width and interval...

Analytical models were developed for the analysis of adhesively tapered scarf joint repair subjected to unidirectional tension. Stiffness and strength of the joints were analyzed, and the corresponding analytical equations were presented. Extra plies on repair patch were also considered in the models....

In Web applications, it is often needed to upload a file to the server. With current file upload methods, it is difficult to deal with large file uploading and user experience is also bad. Uploading big files often failed because of network interruption and the client had to reupload.With the development...

Laser-motive UAV (unmanned aerial vehicles) is a new concept UAV. Based on analysis of conservation equation of photoelectric conversion irradiated by laser energy, UAV load’s demand for power density and heat convection balance, a model is established to analyze the relationship between UAV maximum...

The problem of a steady power increase of electric equipment on the cars and the need for its daily operation emphasise the relevance of research, aimed at predicting the automotive batteries state of charge in order to ensure reliable starting of the engine at negative temperature. The purpose of the...

CTA-based membranes for forward osmosis (FO) were prepared by immersion precipitation. Casting composition and coagulation conditions—solvent/acetone ratio, temperature, evaporation time of coagulation bath—were optimized to obtain membranes with best performance. Membranes were characterized by various...

The absorption characteristics of formaldehyde, acetaldehyde, propionaldehyde, n-butyraldehyde and valeraldehyde by Schefflera octophylla and Chamaedorea elegans were investigated at the laboratory simulation environment of short-term exposure to different CO2 concentrations. Under normal circumstances,...

This paper has done some research on the flatness measuring method of satellite antennas under thermal loads. A real time thermal control technique was proposed. Using this technique, the temperature of the satellite antenna was heated from the room temperature to 70°C, and the temperature distribution...

The new type of pumping unit with incomplete noncircular gear reversing mechanism can achieve automatic reversing, intermittent variable speed movement, but in the conversing prone to movement interference phenomenon. Firstly, two kinds of modification methods are proposed for the first tooth of the...

During tunnel construction, the stability of tunnel surrounding rock caused by excavation of water-rich section has always been a major problem in the project. In this paper, the influx of water in the face of the excavation of the water-rich section of the Junmachang tunnel caused a large amount of...

In this paper, after understanding the relevant circumstances the of the cooperative enterprise packaging bag production, the bagging mechanism of the mechanical forming has been studied. The structure is modeled with SolidWorks, and the mechanical principle and mechanical design are used to realize...

To address the inaccuracies associated with the aerodynamic force coefficients and wind loads obtained from wind tunnel tests of the high-speed railway train models, this paper presents a method for predicting surface wind pressures and aerodynamic forces on trains based on Kriging interpolation model....

An approach of distance-field-based layered manufacturing (LM) of FGM objects is presented in this paper. Firstly, a 3D model is sliced and scanned to a series of 2D point clouds. Then, through uniformly subdividing each 2D point cloud we can compute the signed distance field of each grid points. According...

Fault diagnosis model is the core of virtual simulation and hardware-in-loop simulation training, which has become a hot spot in current research. Construction of the fault description model of the virtual simulation training and hardware-in-loop simulation training is an important theoretical support...

Overhead transmission line maintenance, testing and inspection work part, all need to climb to the top of the pole, and irons is one of the essential tools for climbing pole. At present, some traditional irons safety problems in construction safety is more and more attention, it is bound to improve the...

The purpose of this study is to solve the computer security problems. Based on the traditional security model, the hidden dangers of computer security and the advantages and disadvantages of various intrusion detection techniques are analyzed. A computer intrusion detection system based on an improved...

In the field of lunar subsurface drilling and sampling, flexible core-tube sampler has the advantages that it can maintain the layered information and mechanism of the lunar soil sample. In this paper the PBO fiber is proposed as the textile material of the core-tube, along with its proceeding technology....

This paper focuses on the preprocessing method of control points in geometric correction for UAV (Unmanned Aerial Vehicle) remote sensing image. Control points preprocessing refers to find out the calibration points from the selected control points, so as to use the calibration points to fit the geometric...

Firstly, we define Z as the index measuring the ability of one region to meet its water demand. Next we design an intervention plan based on most influential factors in Xinjiang. The intervention plan has four aspects: Dispatch water resource, employ advanced irrigation technology, proper pricing mechanism...

In this paper, the dynamic response analysis of long-span continuous bridge under earthquakes and train loadsimultaneously were performed. In order to considerthe coupled vibrations of vehicles and highway long-span continuous bridge, a numerical modelinvolving soil foundation under inclined seismic...

Under the "order contract mechanism of company + farmer" of supply chain of agricultural products and introduce the fair system, studies the influence on the supply chain and the coordination contract as farmers with behavior of fairness concerns This paper establishes two echelon supply chain system...

In this paper, a finite element software ABAQUS is carried out to calculate the ultimate load bearing capacity of the concrete under the restraint of prestressed bar. According to the failure criterion of Mohr-Coulomb, the calculation method of ultimate bearing capacity is put forward, and get the ultimate...

This work reports the results of carbonate precipitation of soluble manganese by CO2 with alkaline additives with the aim of eliminating the harm caused by electrolytic manganese residue (EMR). Results showed that CaO exhibited a better performance for the precipitation of manganese which was converted...

As time enters 21st century, the world enters the era of oil scarcity, which is the so-called "post-oil era." Onshore exploration peak period has expired; the energy gap gradually expanded into the marine transfer is the trend. The main forms of offshore platforms are: jacket platforms, jack-up rigs,...

According to the characteristics of anaerobic, aerobic and semi-aerobic bioreactor landfill, combined with the status of rural garbage disposal. Indoor simulation comparison tests were carried out between anaerobic (R3-I) - semi-aerobic (R3-II) united bioreactor and anaerobic (R1), semi-aerobic (R2)...

Soda slag, produced as the solid waste from the ammonia-soda process, was treated by heating, adding additives and other methods. It was found that the chlorine ion content changed with the treatment of heating or adding additives. Heating treatment showed little effect on the decrease of chlorine ion...

Flash animation is a form of digital media with simple images, which is popular with exhibition activities, such as commercial advertising, online game planning and teaching simulation. Since the advent of animation for more than one hundred years, the animation making has long been a difficult business...

Transformer in the operation process, iron core, winding and steel structure to produce loss. These losses will produce heat, leading to the transformer temperature rise, the aging of insulation materials to accelerate, the transformer's service life is shortened. In order to ensure that the temperature...

This paper establishes hydrodynamic models for the focused river section by Delft3D model, simulates the oil spill trajectory and the fates by Oilmap model, and establishes a combined application method of hydrodynamic and oil spill simulation model available for the Yangtze River and other inland waters....

A pot experiment was carried out to investigate the effects of applying naphthalene acetic acid (NAA) on growth and physiology of Cosmos sulphureus. The results showed that application of NAA promoted the growth of C. sulphureus when the dose of NAA was not more than 15 mg/L. When the dose of NAA was...

In recent years, multilevel inverters (MLIs) have found major applications in motor control and renewable energy systems (RES). Solar photovoltaic (PV) arrays have varied output voltages and require the support of battery energy storage systems (BESS) to maintain controlled output. The use of modular...

Gastrointestinal dysfunction is a multi-organ failure dysfunction syndrome, and gastrointestinal injury is the cause of organ failure caused by the River. Clinical symptoms in patients with gastrointestinal failure occurs, treatment more difficult, have a higher mortality rate, more difficult to treat...

The use of random and unique characteristics of the fiber distribution is an effective fiber anti-fake method in modern industry. Detecting and combing with the distribution of the fiber from images automatically can improve the efficiency of industrial production greatly. In this paper, we propose a...

Under-deck cable-stayed bridges have recently emerged as one of promising bridge forms due to their remarkable advantages such as high structural efficiency, easy construction, economy and elegant appearance. The stayed cables provide supports on the prestressed concrete deck. The cables are located...

In order to study and apply the ant foraging theory,this paper introduced the modeling method based on agent to construct the ant colony foraging behavior model. Through constructing many effective ant behavior rules,such as the path selection rules ,which was added the function of perceiving information,the...

Interconnected hierarchical porous carbon (IHPC) was prepared by a poly(high internal phase emulsion) (polyHIPE) and carbonation method based on phenolic-formaldehyde resin for supercapacitors. Structural and morphological characterizations of IHPC were carried out using field emission scanning electron...

Aiming to the trust of C2Cnetwork, indirect trust is introduced when direct trust value is lower. On this basis, the comprehensive trust value is calculated which is used to select trading node. The satisfaction factor, transaction size, transaction time, transaction frequency and other factors are taken...

This paper presents a numerical model to calculate effective permeability tensor and to simulate the fluid flow in Naturally Fractured Reservoirs. This simulation includes three parts. A discrete fracture network is realized to capture the features of the target Naturally Fractured Reservoirs. The discrete...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

Accounting for wind load characteristic of iced OPGW, flow field around OPGW optical fibre, with ice thickness of 5mm and 20mm, respectively, are simulated by solving Naviver-Stokes equations enclosed by transition SST turbulence model, under different wind speed conditions. The results indicate that,...

To overcome the drawbacks of both traditional extension strategy analysis methods and traditional decision tree classification, an extension strategy analysis method based on decision tree classification was proposed. First, original data were obtained through basic-element theory and optimized by extension...

In the permafrost subgrade protection measures, which is the most representative of the gravel roadbed cooling scheme. The test project is parallel to the Qinghai Tibet highway on the basis of temperature, dynamic monitoring of subgrade, through field test results of temperature change compared with...

Hydroponic plant cultivation was developed as a solution to limited land, especially in urban areas. The most important thing in hydroponic cultivation is water and nutrients, where each type of plant requires a different concentration of nutrients. Plants that are given a nutrient solution that is too...

An important demand of 21st century education is to improve students’ cognitive abilities. Higher-order thinking skills (HOTS) and science process skills (SPS) emphasize knowing facts, relating them to other relevant information, and using them to solve new problems. Based on the data, more than 50%...

The fluidization condition in the SO2 photocatalytic reactor was optimizated by simulating the aspects of raw materials’ physical properties (particle size, density) and operating conditions(packing height, inlet gas velocity). The results indicated that particle size and inlet gas velocity had a remarkable...

Heat pipe technology is a rising new technology in recent decades, widely used in various aspects of engineering aspects and industrial production. In this paper, through literature research, the principle of heat pipe technology, classification, development history and research situation at home and...

At present,with the increase of network bandwidth and network data volume, pattern matching to detect intrusion detection systems have many problems to solve. Then, the method based on the model checking method was proposed, and applied to the intrusion detection system[1][2][3][4].However, the Intrusion...

For the problem that when doing target tracking under dynamic background, the object extraction is susceptible to interference. Based on the static and dynamic saliency maps of video sequence, this paper presents a method of feature fusion. By calculating the weight for each of the significant area of...

The growth of Pinus tabulaeformis is influenced by the sonsau cocuus sinensis chen. When the insect density is more than 300-350 head/hundred beam conifer, sonsau cocuus sinensis chen occurred significantly influence the Pinus tabulaeformis s growth. When the insect density reached 250-300 head/100 beam...

The kernel function is proposed for the analysis of meanshift algorithm,the research of meanshift algorithm mainly analyses the two common characteristics of meanshift algorithms based on kernel function histogram and probability distribution.Image segmentation based on meanshift is proposed for the...

This article describes nature and intensity of age-related changes in the activity of transferases, phosphatases and a-amylase in the tissues of middle and bung guts of the large intestine of piglets in colostrum, colostrum-dairy, first, second and third dairy, dairy-plant, first and second plant phases...

Dynamic characteristic of machine tool is an important factor which affects machining quality and machining efficiency. Traditional experimental modal analysis method requires the measured structure to be in a relatively static state. So the dynamic characteristics of machine tool structure cannot be...

An asynchronous First-In-First-Out (FIFO) is a fundamental data storage and buffering mechanism designed to operate across different clock domains, where the read and write operations are driven by separate, and asynchronous clock sources. This characteristic makes asynchronous FIFOs an essential component...

To ensure the safety of the long-operating metro stations during the reconstruction and expansion process, the control technique of station deformation was investigated by numerical simulation using the principle of displacement allocation. The percentage of stepwise settlement is 25.7%, 56.4% and 65.7%,...

This paper studies the spatial differentiation of Qingdao, and the analysis is carried out based on the GWR model. Firstly, the research scope and data are determined, and then the exploratory spatial analysis (ESDA) method is used to analyze the residential land price data of Qingdao, including the...

In order to improve the reliability of mining electrical equipment and realize intelligence of the separation test of the coal mine isolation switch operation process, the motor mechanism is put forward. We designed con-trollable testing system based on coal mine isolation switch breaking test the existing...

In order to improve the robustness and scalability of the smart home system, this paper presents a design scheme that based on Docker containerization technology for building an SmartHome system cluster. In the Openstack environment to create a Docker container instance in this scheme.Through the Docker...

This paper presents the current researches about temperature profiles in multilayered flexible. The measurement methods of temperature profiles to the prediction model for temperature distribution in pavement structures are summarized and discussed. The temperature influence on bearing capability and...

By chlorine salt and carbonization under the combined action of simulated concrete pore solution in determination of the natural potential of the reinforced method of the influence of basicity of chloride contaminated concrete critical NO2-/Cl- molar ratio.Results show:The increase of pH value or NO2-/Cl-...

As the improvement of living standard, people are more and more pursuing personalized furniture. For more and more personalized custom products, furniture production designers can no longer fix processing parameters by the means of test sample. There is an urgent need of precise parameter calculation...

Eggplant cultivar ‘Changhong’ was subjected to low temperature treatment of 15/10 (day/night) in the artificial climate chamber. The effects of exogenous melatonin (MT) on the photosynthetic of leaves under low temperature and weak light stress was investigated. The results showed that with the increasing...

Objective: To explore the application effect of early ostomy closure on the patient with necrotizing enterocolitis (NEC). Methods: From January 2012 to March 2015, 23 infants with NEC which had been performed ileostomy were treated with early ostomy closure and normal ostomy closure in the First hospital...

Project development in a power enterprise always needs to authorize external devices access to the enterprise intranet for testing. In order to avoid an external device with a virus and pose a security risk to the power information system, external devices should have strict security assessment before...

With the scaling of NMOS devices, gate tunneling current increases significantly under Drain Induced Barrier Lowering (DIBL), and static characteristics of devices and circuit are severely affected by the presence of gate tunneling currents. In this paper, a novel theory on direct tunneling current predicting...

Generally the common lights-control is set in the mode of preset time control, which cannot be adjusted and would not meet the requirements of fine and smart control, so the plug-in of Artificial intelligence algorithms can make a big change of common made. SOM (self-organizing feature map network) is...

This paper makes multi-level analysis and explanation on functions of fuzzy anaphora, it is composed of mutual effect of component factor, associated factor and influence factor, analysis on fuzzy anaphora function involves with 3 aspects such as narrative, pragmatics and rhetoric.

Cooling a vehicle is a very important thing, the goal is not to overheat the engine. Along with advances in vehicle engine cooling technology, there are several types such as radiators and oil coolers, but studies that explain engine cooling, especially on oil coolers, are still lacking. In this study,...

Digital restoration of the full-coverage crowns and bridges mainly consists of the connector generating and model fusion. Through defining the section template, the default connector can be generated under the guide of the idea of skin, whose curve can be edited by the control points. If the connector...

for electronic seal of smart meter with special appearance and light weight ,a batch testing equipmentis designed to write program into seal and test automatically , which will increase the testing efficiency of electronic seam installed in meter. The arrange part being consist of vibrating plate , sliding...

200 sets of used gastroscopes for gastroscopy were randomly divided into group A and B, 100 sets in each group. Gastroscopes in group A were cleaned and disinfected with the conventional method and those in group B were cleaned and disinfected with a modified cleaning and disinfection method. On the...

This paper based on ADO.NET and B/S system architecture elaborates the design process of the curriculum management system and it also analyzes the superiority of .NET and B/S in practical application. First of all, this thesis states necessity of curriculum management system under the credit system....

Intrinsic microcrystalline silicon thin film were prepared by VHF-PECVD, the activation energy of thin film were measured by activation energy testing equipment. The activation energy of samples with different crystalline volume fraction were studied. The results showed that: the activation energy of...

Nanostructure anatase TiO2/carbon nanotubes (TiO2/CNTs) were prepared by hydrothermal process using acid treated CNTs and titanium (IV) sulfate. The materials were characterized using X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and Brunauer-Emmett-Teller (BET). The results showed...

A gated InGaAs/InP single-photon detector based on a novel capacitance balancing technique was demonstrated. The single-photon detector is based on a gated InGaAs/InP avalanche photodioe. A quantum efficiency of 10% at 1550nm was obtained with a dark count probability per gate of 1.82×10-6 and an afterpulsing...

The traditional screw press has many disadvantages, such as the lower level of automation, the existing unstable control system and the longer response time. Through the research on the principle of pressed oil, mechanical structure and the automatic control procedure of the screw press, a set of automatic...

As an important city of Songhua River Basin the ecological pattern of urban landscape in Harbin not only has the common characteristics with frigid cities but also has its own distinctive characteristics. The thesis made research of structural layout of water space and development direction of landscape...

Separate layer water injection technic is one of the efficient measures for keeping petroleum output steady and improving oil recovery rate. In the actual operating mode, injection string which be placed in the three-dimensional wellbore may produce complicated stress and strain. Analyzing mechanical...

Aiming at modeling and simulation optimization of information application chain architecture, a structural modeling method and an iterative simulation optimization method are proposed respectively based on DoDAF (department of defense architect framework) based on importance degree. This paper first...

A pot experiment was carried out to investigate the effects of applying abscisic acid (ABA) on growth and physiology of Cosmos sulphureus. The results showed that application of ABA promoted the growth of C. sulphureus. ABA increased the biomass and photosynthetic pigment content of C. sulphureus. With...

This article comprehensively discusses the principles, processes, advantages and limitations of 3D printing technology. It provides an in-depth analysis of the types of materials used in 3D printing and their properties, including polymer materials, metal materials, and inorganic non-metallic materials....

In this paper, one novel solar adsorption watering tube was designed. Solar watering tube (SWT) is an independent unit producing water from air, which uses solar energy to drive the production process. Compared with the traditional methods of producing water, the production process of SWT bases on adsorption/desorption...

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 downward...

This paper mainly focuses on how to maintain the water temperature close to the initial temperature while bathing. Using law of energy conservation, we establish differential equations to figure out the function between water temperature and time. After adding 40oC hot water to the tub, the water temperature...

In light of the coal roadway deformation and breakage problems in soft rock conditions under dynamic pressure influence, based on coupled-supporting principle, combined theories and computer numerical simulation, the floor heave and spalling mechanism under the influence of multiple mining activities...

Monitoring systems of special roads based on 4G start point video monitoring systems designing of special roads. Combined with special roads of several major features, it is concluded that the ideal way of information transmission is 4G communication technology, and through the monitoring method research...

This paper discuss the part of temperature, humidity and light intensity sensor in the smart home system based on the STM32. The system uses the DHT11 digital temperature and humidity sensor to get and send the data, and uses the BH1750FVI to perceive light intensity. The paper also discuss the transmission...

SPA is internationally recognized as a successful business model, the model successfully helped GAP, UNIQLO, ZARA, H&M and other clothing own brands, as these enterprises entered Chinese market, and developed a good market, SPA mode has also been a concern. There are also many companies exploring the...

It has become an action plan to develop biodiesel in China. The botanical and laboratory investigations together with literature surveys had been used to prospect potential plants for biodiesel development. Based on field surveys and collections of specimens and samples, 422 oil-bearing plant species...

In order to study the influence of surrounding rock temperature phase change to the initial supporting force, temperature sensors, pressure box, steel force meter were used to monitor the tunnel environment temperature, surrounding rock temperature, pressure between surrounding rock and shotcrete layer,...

This paper investigates the effect of Simotang oral liquid on functional dyspepsia of incoordination between the liver and the spleen and gastrointestinal hormone. The research objects were the 100 patients with functional dyspepsia treated in our hospital from January 2014 to October 2015. They were...