Advances in Engineering Research

As the stronger desire of human for energy and space, offshore jackets are used more and more for these. As the excellent fluid mechanics feature of the tubular member, it is widely used in jacket structures. According to the introduction of the process of casting steel joint and directly weld joint,...

The track fluctuation of helicopter pod used for magnetic survey can cause interference with magnetic field measurement results. By simulating the small fluctuation of inclination angle and drift angle,the pod track fluctuation in airborne coordinate system and the helicopter track fluctuation in geodetic...

Change detection is an ongoing hot topic in multi-spectral imagery applications, how to exploit the available spectral information effectively for change detection is still an open question. Considering the noise interference and redundancy of multi-spectral imagery, it is important and necessary to...

In order to fully understand the anti-fatigue performance of KT-joints in the all-welded steel truss of Haihe Grand Bridge in Tianjing, two experiment--one fatigue test using a full-scaled KT-joint and the other fatigue test using two groups of T-components (a total of 8 components) cut out from the...

According to the specific environmental noise of the detection system, via holes was caused impedance discontinuities, parasite capacity and inductance which resulted in signal reflection and attenuation, and hence deterioration of signal integrity(SI). The new idea was put in the paper, the specific...

Sound masking is a technique to protect the speech privacy of confidential talks in a room. Most of the existing masking signals sometimes become noise sources, and result in a negative impact on the people in the room. This paper proposes a new method for generating masking signals. The synthesis of...

The quasi-single crystalline silicon directional casting processes with ultrathin plate seed layers were studied. The experiments results showed that the directional casting with the plate seed layer could solve the cross pattern issue on the quasi-single crystalline silicon wafers produced with square...

we develop a metric Total Growth Metric (TGM) to measure success of growth plan, and divide it into Environmental Growth Metric (EGM), Developed Growth Metric (DGM) and Social Growth Metric (SGM) by three E's of sustainability. We consider resource consumption and pollution discharge for EGM. For DGM,...

This paper is addressed on the joint angle-doppler estimation (JADE) for the uniform circular array (UCA) with coprime sampling. Space-time adaptive processing (STAP) can conveniently estimate direction-of-arrival (DOA) and radial velocities of emitting sources. And UCA can realize the azimuth angle...

In wave-picking and entire-replenishment zone-based warehouse, the slotting and cartonization problems occur with equal frequency and can be the optimization conditions for each other. A dynamic location assignment model is proposed to minimize the wave-picking time among all of zones, and a particle...

The effects of strain rate on the mechanical properties of the particulate-filled composite have been studied. Tests in uniaxial tensile condition were carried out over a range of tensile rates. Results show that the mechanical properties of the particulate-filled composite are distinctly influenced...

A sensitive data encryption system is proposed. The sensitive data will be obtained through the data acquisition platform, the digital certificate will be issued through the CA system, and the sensitive data can be encrypted effectively through the key management system and the encryption machine cluster,...

Mars is a planet of mystery and temptation that attracts many science fiction enthusiasts. Migration to Mars has been the topic of many fiction films for a long time. As the first successful Mars landing, this fiction seems to have the chance to realize.First step, we defined some parameters that connect...

In summer and in winter, the outdoor air will flow in room through the gap of building. Which will influence the indoor flow field and thermal environment and cause draft, the human in room will feel uncomfortable. This paper use the method of numerical simulation to research the effect of outdoor air...

This paper, aimed at the magnetic resonance contactless power transmission system based on PSSS topology, analyzes the stability of the system resonant frequency when the load and the mutual inductance are changing and proposes the method of constant frequency control based on the technology of dynamic...

Current signal separation of single channel mixed speech principally depends on the training samples of the source, for this problem, a new method of blind separation is proposed. According to distribution of different source vary in band, we use SVD method recombine the single channel of dual-source...

In this paper, the equivalent mechanical spring model of the three-dimensional continuumis studied. And the sectional area of the equivalent spring element is obtained based on the displacement equivalent principle. The equivalent model is statically indeterminate trusses system of spring. The 3D spring...

The paper shows theoretical analysis and experimental study on the performance of the pump / valve hybrid drive system. Taking AE0505D16 type piezoelectric stack as power source, design and manufacture two new structures of pump: symmetric and staggered single-chambered dual piezoelectric stack pump....

In order to make a precise and quick estimation of the wide-band Frequency-Hopping(FH) signal, a blind parameter estimation using numeral characteristics of compressive samplings is proposed. First study the compressed numeral characteristics (CNC) of the signal on the premise of non-reconstructing the...

Aiming at the development trend of printing industry, describes the new green UV-LED drying equipment, design and development of AT89S52 lighting con-trol system based on MCU, and use the PWM dimming circuit and incremental PID control algorithm, a distributed computer lighting control system, the method...

With the rapid development of Internet technology in recent years, the amount of text information carried by online electronic documents, e-mails, databases and other forms was increasing explosively. Traditional intelligence information processing methods were increasingly difficult to meet task needs....

The nerve stimulator is an important circuit component that regulates or blocks neural signals by outputting specific electrical pulses.With the continuous development of neural stimulators, they have been widely applied in various fields.Especially in the medical field, more and more diseases can be...

As an emerging technology, cloud computing has a profound impact on Internet. This paper introduces the concept and characteristics of cloud computing, then studies the current status of university information technology, and analyzes how cloud computing promote the development of university information...

The new technologies such as virtual resources and RFID in Industry 4.0 make traditional ITIL Incident Management Process can not adapt to the new environment anymore. Based Agile and Lean thinking of DevOps, this paper improved and designed on the traditional ITIL Incident Management Processes, proposed...

In this article, the author analyzed the present situation of environmental education and environmental awareness cultivation in both China and the world, expounded the importance of college students' environmental awareness cultivation and presented the method to cultivate college students' environmental...

The eigen-solutions of the crack tip fields for an anti-plane crack in functionally graded piezoelectric materials (FGPMs) are studied. Different from previous analyses, all material properties of the FGPM are assumed to be power-law function of y perpendicular to the crack. The crack surfaces are electrically...

The results of MLA automated quantitative mineralogy system indicated the uranium ore used in this study was mainly composed of pitchblende (0.47%), quartz (64.91%), fluorite (2.18%) and pyrite (0.44%). The existence of fluorine-containing minerals plays a strong inhibition role of bacterial activity...

In order to reveal the failure mechanism of slope foundation, based on the limit analysis method and the limit equilibrium method, a formula for calculating the bearing capacity of slope foundation considering the influence of soil slope behind the slope is constructed. The calculation program of soil...

Gear is the key part of cement rotary kiln, and lifting the process of deformation delivers a direct impact upon gear ring manufacturing precision. This paper takes the 10630. 249mm gear ring of rotary kiln as an example, expounds the system of lifting method for gear ring and selecting the optimization...

Human eye location plays a crucial part in machine vision fatigue detection. To address the difficulty of distinguishing eye and brow in traditional way of machine vision human eye location, this paper proposes an accurate human eye location way, which is based on geometrical characteristics of eye and...

With the continuous development of world music and music educational undertakings, orchestra has gradually appeared in various forms of musical performances; the kind of orchestral instruments also became more and more, so the design and implementation of an orchestral instruments sales management system...

Agricultural monitoring data is the basis of environmental early warning, however, abnormal data is inevitable in the monitoring process. Aiming at the problem that the data of wireless sensor network is abnormal, an outlier detection method is proposed, in order to achieve the purpose of accurate calibration...

Edinburgh and Shenmu are chosen for plans of smart growth. We make it clear how their plans meet the smart growth principles. Using data in the period of plans (2011~2015), we calculate values of our metrics to simply analyze their success. Furthermore, we use mean value test (t test) to measure the...

Hard metals are highly preferred in critical applications to withstand severe stresses and deformations. But they pose difficulties while machining in the form of rapid tool-wear and poor dimensional accuracy of the work-pieces. In conventional practice, hard metals are annealed to facilitate machining...

Slipping of active faults, under some conditions, generates surface rupture which can damage the structures in the rupturing zones. One of the key core is a basic characteristic of surface rupture are systematically summarized and analyzed, especially the statistical analysis of surface rupture width,...

Based on the actual electron beam scanning process of the surface of H13 steel specimen, a two-dimensional model of grain growth is established coupling Monte Carlo method. The crystallization of the molten pool is simulated after electron beam scanning of H13 steel, effects of scanning current and rate...

In this paper, the route selection system of heavy-cargo highway transportation was the secondary developed based on ArcGIS Engine . The spatial data platform was set up by simulating the actual road network, and combined with quantitative analysis of the influence factors, a route planning model of...

In order to decrease the additional power loss in DC-DC converter caused by current detection, a current sensing technique without power loss is proposed. Power MOSFET is being widely used in low and medium power DC-DC converters; it can be regarded as a resistor in the condition of turn-on. Thus, based...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total phosphorus (TP) by the manipulative indoor experiment. A nutrient treatment consisted of two levels...

Based on both at home and abroad energy sustainable development ,enterprise energy evaluation index system research and low carbon economic background, this thesis proposed the strategy thought of full process of energy-saving and emission-reduction, selected DEA evaluation method to achieve efficiency...

This paper presented a novel approach XCS-FPGRL to research on robot reinforcement learning. XCS-FPGRL combines covering operator and genetic algorithm. The systems is responsible for adjusting precision and reducing search space according to some reward obtained from the environment, acts as an innovation...

Inventory inaccuracy is common in the modern supply chain and it attracts much attention from many researchers. This paper considers a supply chain with inventory shrinkage and misplacement, and the supply chain consists of a single supplier and multiple retailers who are engaged in both price and inventory...

To develop smooth finite element analysis of flat panel display products, we develop an automatic mesh generation system suitable for complex and thin shape objects. In this paper, we propose a new mesh generation technique suitable for flat display products by analyzing existing mesh generation algorithm....

In this paper, we mainly use the solar zenith angle, solar azimuth angle, the angle of the red and weft, the relationship between the date sequence number and some specific geometric relations. The formula is related to the concept of the degree of latitude and the time angle, which can be defined as...

New technologies, including personalized artificial augmentations units, will soon enable humans to inhabit manufactured cities on Mars by 2100. The first wave of migration, called Population Zero, will include 10,000 people.Population Zero aims to have optimal conditions in many workforce and social...

Virtual reality technology is constantly developing, dedicated to computer graphics and multimedia information processing, high-performance chip can increase a hundred times the processing power, three-dimensional graphics algorithms and parametric modeling algorithm enables virtual reality technology...

Auto throttle controls directly the speed of the car. The driver can trample accurately and smoothly trample accelerator pedal to control the speed. In order to make the driver can real-time track the set the speed in the process of vehicle driving, a method based on Ziegler Nichols- frequency response...

Revealed the strength variation of concrete C30 and C50 after the cold in the initial .Using the gray prediction theory which from the cybernetics to analyze the test results after the initial cold.The results show that the results obtained by the formula is consistent with the experimental results,...

Considering for the ecological security strategy and new promoting urbanization, it is important to develop the vernacular architecture in Tibetan plateau which serving as the ecological security barrier in China. With the development of urban and rural integration process as a whole and the popularit...

The machinability of Nickel-based superalloy GH4169 is poor, in order to improve machining efficiency, reduce costs, it is necessary to study the various factors that affect the tool wear. In this paper.The tool wear tests were carried out to investigate the effect of an externally applied voltage on...

Based on the theory of contact non-linear finite element analysis, the analysis for stress and strain of the connection thread of centralizer is carried out by ANSYS software. The structural weak part was identified. The method of simulation experiment is adopted. The simulation results are compared...

To enhance the mechanical performance of cemented soil, this paper discusses the way of improving the mechanical performance by incorporating basalt fiber into cemented soil. Unconfined compressive strength test is conducted on cemented soil with basalt fiber of different proportions, and the results...

The buried pipeline leakage has tremendous impact on the surrounding environment, while crude oil migration and residues of contaminants in the soil porous media law is an important basis for the detection and elimination Considering the characteristics of oil multiphase flow in porous media, we establish...

Adsorption of chlorpyrifos (CP) by giant reed(Arundo donax L.)derived biochars obtained at 300-600°C and their corresponding de-ashed biochars was investigated.With increasing pyrolysis temperature,the adsorption capacity(Qe) of CP ontothe biochars increased. The maximumvalues of Qe of CP by the water-washed...

Role car ESP hydraulic system is applied to the appropriate wheel hydraulic braking force, the implementation of active intervention of the vehicle, so that the car during braking, good stability, and therefore directly affect the effective control of the ESP braking car security. Thesis for the dynamic...

This paper expounds the background, significance, research contents, implementation plan, the results of the final design and gain insights of the research on the intelligent management system of students’ practice on computer. The design of intelligent management system is aimed at the problems existing...

With the help of software ANSYS, a finite element analysis model was established for the three-directional prestressed concrete aqueduct in South-to-North Water Transfer Project. The effect of the prestress value of steel tendon on the stress of aqueduct body was studied, and the stress states of aqueduct...

The macro-deformation of crystal attributes the micro-slip in crystal of -TiAl alloy. So it is important to reveal the relation between macro-deformation and micro-slip of dislocation. In order to illustrate this relationship, the geometry relation between macro-deformation and dislocation density/external...

In recent years, MRI studies have resulted in a better understanding of the movement and deformation of the meniscus in the terbinafine connection and provide, information on the morphology of the articular cartilage. In this paper, we will use of computer-aided technique and MRI to reconstruct the shape...

With the development of electric power communication network, SDN is gradually introduced in the next generation electric power communication network. The application of SDN in power data center is analyzed, and architecture of power data center based on SDN is provided, finally two ways of evolving...

Development of cost-efficient denitration technologies has been a challenging task in industry. Here we proposed a new denitration method by using polypropylene hollow fiber membrane contactor. The NO gas from a simulative flue gas was absorbed into a saline aqueous solution through a holly fiber membrane,...

Visible light active photocatalysts were prepared using N/Ce co-doped anatase TiO2 nanoparticles and using cetyltrimethyl ammonium bromide (CTAB) as template. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), fourier transformation infrared spectroscopy (FTIR),...

Compared with the traditional teaching methods, modern new media including the instructional and social media represent the new direction for the mode of education and teaching quietly, which contributes to the effectiveness of teaching increasingly. Interactive teaching mode at biological teaching of...

Reputation aggregation is a significant and inevitable mechanism for ensuring the security in social network. To solve the problem of preventing collusive attack in reputation aggregation in social network, a collusive attack detection mechanism (CADM) is proposed based on users’ relationships and their...

Any language has its inherent rules and laws, the rules of the grammar is a set of words, is the tie that vocabulary and sentences are important to the language conditions, from the essence of language, the practical characteristics of English teaching, the cognitive perspective, English grammar is the...

In this paper, we introduce a rainwater collection system based on resident landscape. It includes roof rainwater delivery system, purification system and underground stored system. Rainwater can be collected and purified through plant shallow groove, rain pipe and high flower bed. It can also be stored...

With the development of the Internet, the network crimes emerge in an endless stream. In addition, the features of the content on the Internet are complex and changing, which create many serious difficulties for judiciary to gather evidence of network crimes. Based on analysis of the characteristics...

This paper develops a discrete time-dependent model to design space debris removal scheme based on risk, cost, incomes and time. Especially, a collision model was established to consider the collision between debris. The economically attractive scheme was chosen according to the model simulation at last.

According to the new energy electric vehicle DC-DC conversion needs to adopt a zero-voltage quasi-resonant flyback converter topology based DC conversion program that will convert DC72V power to low voltage DC12V vehicle auxiliary power supply, simple circuit structure, components used, low cost energy...

Objective: This study was designed to study the antitumor, antioxidant activity and antihypoxia of Uighur medicine Seeds of Nigella glandulifera Freyn (SNF) in the S180 and EAC mice tumor model. Methods: A total of 100 were randomly divided into five groups with 20 animals in each group: control group,...

Due to its concise, simple and unambiguous qualities, the Petri net method has become a reliable and accurate way of analyzing protocol. However, with one model conducting one point, the required models of the key points of protocol analysis, namely, the protocol performance evaluation and the protocol...

The effect of Y and B content tailoring on the crystallization behavior and corrosion resistance of Fe76-2xY4+xB20+x(x=0 and 2) glassy alloys have been investigated. The tailoring of yttrium and born content enhances the thermal stability of x=2 alloy, alters the crystalline mode from a two-stage of...

The Internet contains large amounts of information, which are valuable to the researchers. Since manual product name collection needs large human efforts and also time consuming, extracting keywords automatically become a hot topic. This paper addresses the issue of automatic extraction for agricultural...

A PSD signal acquisition and processing system is designed based on the new single-chip stm32 and the segmented psd, and the data display interface circuit is designed by using the liquid crystal display module for the PSD signal output characteristic and the portable application in engineering practice....

Carbon-based lightweight, thin, and self-standing composite film/paper could be a promising material for electromagnetic shielding applications because of their high flexibility, good electromagnetic properties, and high electrical conductivity. In this paper, a new-type composite of reduced graphene...

Space is becoming cluttered with litter. For nearly fifty years, people have been launching rockets into Space, in orbit around Earth, and beyond. The remains of derelict satellites and rockets and the debris resulting from their explosions and collisions with one constitute a significant fraction of...

The design of Low-carbon Green Buildings emphasizes the application of eco-friendly strategies in buildings while paying close attention to their images, with the purpose of dealing with the relationship among buildings, environment and ecology, and realizing a benign cycle between factors of the artificial...

Numerical control (NC) lathe plays an important role in the production of mechanical parts. Because of its complicated structures and frequent operation, there exists lots of failures. When the failure happens, the NC lathe stops working, then directly lower the productive efficiency. In order to help...

At present, research on energy-saving and emissions reduction is still mainly theoretical construction and not much quantitative research on evaluation, particularly study of the empirical analysis on the provinces and the national is rarely. In order to arrange energy-saving and emissions- reduction...

An efficient regeneration protocol for in vitro propagation of castor through embryonic tips was developed. According to the different properties of seed germination and embryo germination, 5 explants with high regeneration ability were picked out and their stress abilities in pre-culture period were...

Emergency mobile communication system is an important means of emergency rescue. To assess network performance rapidly under different scenarios is the important basis for researching the organization and application of emergency mobile communication system, which plays an important role for making effective...

At present, the decentralized control was adopted at the terminal of the central air conditioning system so that cluster management couldn't be achieved. Taking into account such as different user had different management level and unreasonable, unscientific control methods which leaded to great waste...

It is usually difficult to construct the virtual scene of complex environment such as the ship engine room. Therefore, a new method for virtual engine room construction using projection matching and hybrid modeling technology based on geometry and image is presented in this paper. In this method, the...

Purpose To establish a practical, fast and accurate identification method of tortoise shell, falsify amplified polymorphism DNA (RAPD) randomly and provide reliable basis for identification of tortoise shell. Method We use the Alkali cracking method to extract mitochondrial DNA from the tortoise shell...

Analyzing the flow channels between production wells and injection wells is very important to develop an oil field. For the oilfield D, the streamline numerical simulation method is adopted to output the flow line distribution, the allocation factor graph of injection wells, and water injection efficiency...

With the bending experiment of 9 JINYU reinforced autoclaved aerated concrete slabs the objective of the research was to characterize the flexural performance of cladding panel such as deflections and extent of cracking that the elements would undergo under uniform load and finally recommended a suggestion...

The thermal shroud has the structure of stainless steel pipe welding with copper fins. It has well capability of heat exchange, structural strength and inflexibility which is used to many types of equipment for space environment simulation in recent years. This article will conduct technology research...

Annular space has been applied widely in industrial processes. However, the complexity of thermal process and the variety of influential factors lead to the difficulties. In addition, the sensor installation as well as the weak detection signal due to the barrier increases the detection issues. In order...

This paper proposes a new sensor signal processing technology to detect rotor position in permanent magnet synchronous motor (PMSM). This technology uses an incremental photoelectric encoder and some hardware circuit. It is easy to achieve, and it is not only apply to the traditional three-phase PMSM,...

A harmonic reducer is a kind of gear transmission with high performance, as the servo mechanism with a harmonic reducer is widely used in the fields such as aviation and aerospace. For meeting the more higher precision of the servo mechanism, according to the operation principle and the configuration...

In this paper, FSAE race car is taken as the research object, dynamic performance of the suspension system is studied. 3D model of the whole vehicle suspension system is built by using 3D modeling software, and the kinematics simulation is carried out. On the basis of this, ADAMS is used for dynamic...

The real economy is a solid economic foundation on which social progress depends. The research on the strategy of developing the real economy has become a hot topic nowadays. This paper first analyzes the present situation of macroeconomic data in Heilongjiang Province, explains the game relationship...

Using pot experiment to study the effect of vermicopost on the physicochemical properties of coastal saline soil in water spinach plantation under conditions without chemical fertilizer utilization. Six treatments were designed by mixing vermicompost and saline soil in different volume ratios of 0:20,...

The application of deep learning algorithms to welding defect detection has advanced rapidly in recent years within domestic and international research communities. This paper reviews the developmental trajectory of deep learning technologies and the evolutionary improvements of the You Only Look Once...

A decision model for construction enterprises is proposed in view of lack of data and uncertainty of quantitative relation existing in bidding decision. The ratio of bidding price of an opponent to the cost estimation of decision maker is regarded as random variable, and historical data of the ratio...

Hepatocarcinoma, a malignant cancer, threaten human life badly. It is a current issue to seek the effective natural remedy from plant to treat cancer due to the resistance of the advanced hepatocarcinoma to chemotherapy. Chrysin (Chr), a major symbol ingredient in Chinese Propolis, has a wide range of...

Based on explicit dynamics numerical simulation analysis, the static loading test and the shaking-table test, and combined with the plane RC frame collapse test, the example of the high-rise frame structure and the high-rise frame-core tube structure, collapse mechanism of RC structures under the static...

According to the position behavior characteristics of service object, this paper firstly determines the environmental mark point by combining the position point clustering with map topological node. By using the state of family environmental mark point to transfer fitting continuous position trajectory,...

In modern society, increasingly more emphasis are put on landscape greening rehabilitation, which significantly improves our work and living environment and is good for our health. However with its amount increases steadily, green waste inflicts some damage on the ecological environment, and hinders...

In this paper, we mainly introduce a solar-thermal underfloor heating system with electrical heating, which consists of solar vacuum tube panel, finned tube heat exchanger, disturbed flow tank, underfloor heating pipe, temperature measuring point, circulating water pump and auxiliary electric heater....