Advances in Engineering Research

Ultra Performance convergence chromatography (UPC2) is cost effective, sustainable, and uses green technology that lowers the use of organic solvents. Based on this advantage, a method was developed for the determination of 15 phthalate esters by UPC2. The separation of 15 phthalate esters was achieved...

This article analysis focuses on the key points of project cost management for contractors in each stage of construction from the aspect of the basic concepts of cost management, control methods of cost in the process of construction and principles of cost management. In the process of construction project...

In order to accurately recognize the degradation state of rolling bearing, a hybrid method combining Genetic Algorithm GA and a Support Vector Machine (SVM) was proposed,and the model for degradation state recognition of rolling bearing was constructed. Firstly the feature vectors of degradation state...

The farmers in Heilongjiang have made a significant contribution to national food security, but they always have been plagued by the lower income. Based on the macro data of farmers’ income, this paper selects the multiple linear regression models and uses stepwise to analyze the influencing factors...

Speed and torque load simulation experiment is used widely. Usually, driving department and load department in this experiment system are all energy consumption equipment. Secondary regulation technology is good at controlling of speed and torque, and is conducive to improve energy efficiency. In secondary...

With the development of smart grid in our country, as the key devices of the digital metering system, the conversion accuracy and stability of electronic transformer plays a dominant role in the whole metering system error control, the stability and reliability of the electronic transformer is related...

Illumination change can influence driver behavior. Especially glare light can make driver blind and lost vision, caused accidents happen. Driving behavior is a complex psychological activity process, and many researchers want to find common driving behavior characteristics. This paper studied driving...

Anammox process has been recently recognized as a promising technology for nitrogenous contaminants removal. of the anammox attracted more attention because of its lower sludge production and cost of without adding organic carbon source and aeration, In this study, the development of anammox, application...

Minerals extraction from underground mine may lead to the disturbance in equilibrium of the overlying strata and these disturbances reflect in the form of subsidence on the surface. Subsidence is of two types, trough and sinkhole subsidence.Sinkhole subsidence is an abrupt local depression at the surface...

The trust among organization members is an important factor influencing the tacit knowledge-sharing willingness. This paper studied the antecedents influencing the trust and the functional mechanism between trust and tacit knowledge-sharing willingness, which was based on the data of 213 copies of questionnaire...

Multi-drug resistance (MDR) is an important element which leads to ineffectiveness of chemotherapeutics. The discovery of histone acetylase’s unusual activities in tumor cells provides a new area for the cure of cancer. And histone deacetylases inhibitor (HDACi) is used as a new agent in clinical therapy....

For modern high-efficiency digital production, the main requirement is its ability at any time to break evenly the manufacture of products and in a short time with minimal costs to start producing any number of new products. The fulfillment of this task largely depends on the efficiency of the technological...

Construction of medical multimedia database is beneficial to realize remote medical education and improve the efficiency of multimedia resources. The construction of the medical multimedia database not only needs modern information technology and network platform, but also needs to carry on the integration...

This paper presents the design and implementation of a true random number generator (TRNG) for smart card application. Based on the effect of the oscillator phase noise and meta-stable state of the trigger, the random number is generated. An efficient calibration method can correct the uniformity of...

This study examines an air-pollution episode in Qingdao during 19th–26th December 2019, focusing on the physicochemical properties of different aerosol types and the evolution of their components to identify the particle sources that influenced and dominated the event. By combining air-mass back-trajectory...

Mati River is one of the rivers in Bali that has experienced very rapid changes related to land use in its watershed area. This change was triggered by the very rapid development of Denpasar City. This change has triggered a decrease in water catchment areas, increasing surface runoff and potentially...

The dry electrical discharge dressing and truing technology was proposed to realize the high efficient and precise truing of diamond grinding wheel in this paper. Firstly, the V-shape tip of diamond grinding wheel was formed using dry electro-contact discharge (ECD) truing along setting crossed V-shape...

Our objective to study the expression and activity of the apoptosis protease Caspase-3 in E. coli BL21 (DE3) Plyss. The cDNA of Caspase-3 was amplified by PCR and inserted into the cell of K562, it was then cloned to prokaryotic expression vector pET-21b, after which Caspase-3 was induced by IPTG. The...

Natural Language Processing has reached the stage of semantic analysis. As a tool for semantic analysis, semantic role labeling (SRL) is becoming more and more important. But the SRL is not specifically applied to the marine field in the past. So this paper is a study of SRL based on ocean big data....

Since the reform and opening up policy, China’s commercial development has made an unprecedented achievement both in speed and in scale in recent years, thus it becomes a dazzling light in the world’s economic development. However, in the construction of commercial outlets in recent years, there are...

It is complex that the structure and operating environment of Vehicle. Using stress monitoring and acquisition system, we can collect temperature and humidity, load, vibration and other information in the whole life cycle of vehicle. The system architecture, hardware and software are designed to solve...

Electronic and information technology's progress and promote inevitably cause related industries' technology innovation. To master and develop of advanced technology and methods is a powerful guarantee that enterprises can seize the initiative in an increasingly competitive global market. As one of the...

The impulsive control of a finance system is investigated in this paper, and the finance system can be asymptotically controlled to the origin by using impulsive control. Based on the new comparison theorem of impulsive system, this paper obtains some sufficient for the stabilization of the finance system...

With the development of Internet, the two-dimensional code technology has been widely used. It is a technology which includes information coding, information transmission, images processing and data encryption. And it develops from one-dimension bar code. It can realize rapid positioning and automatic...

Reflow soldering is the process of heating solder paste in a reflow oven, allowing electronic components and PCBs to be interconnected. In this process, nitrogen gas (N₂) is used to create an inert atmosphere to prevent oxidation during heating. However, at PT XYZ, the control of nitrogen gas is still...

With the rapid development of Internet technology, as well as interoperability of RFID technology, the popularity of ZigBee technology, things and objects can be achieved, this article discusses the design of smart logistic system of things Based on A10 Andriod-based system platform. System hardware...

With greatly improved the efficiency of computing performance, Peer-to-Peer systems (P2P) have become hot research in recent years. In this paper, we analyze the probability of a peer to become a seed consisting of all sharing data and resource. Based on the modeled network, a distributed method for...

It is useful to monitor forests by extracting parameters from LiDAR and aerial imagery. Reconstructing them can be challenging using only LiDAR because it is difficult to extract exact parameters. Therefore, using aerial images, we can obtain a digital surface model by matching, extract a digital terrain...

From different angles on the relationship between air pollution and meteorological elements preliminary studied, this research adopts the method of orthogonal analysis, by the analysis of day-to-day relationship between AQI (Air Pollution Index) and meteorological conditions of the Jingjinji District....

By analyzing the characteristics of renewable resources in China and low carbon power generation situation, the article put forward the concept of green electricity subscription. And according to power system developing model ,market situation in our country, green electricity subscription models for...

The roller steel slag has many advantages due to the special process can be used as sand in commercial mortar. The parameters of the slag from MCC Baogang Steel Technology Services Co., Ltd were researched, and with 20~60 vol. % slag replaced for sand, six strength grade mortars were prepared. The results...

This study explores the catalytic properties of Pt-Ag-Co ternary alloys used for H2O2 reduction. All catalysts are prepared by impregnation reduction method and characterized by XRD and TEM. The electrochemical performance is examined by cyclic voltammetry (CV) at 25°C. The results show that Ag, Co and...

Water scarcity has emerged as a top-tier global issue for both environment and development. However, how to mitigate water scarcity is a real problem. We choose Shandong Province in China with heavily overloaded water as our research object., we propose an intervention plan concerning social consciousness,...

Pulsed electromagnetic machines of shock action based on new vibro-impact technologies are widely applied in industry. Such machine striker mechanical vibrations frequency is equal to or multiple of the frequency of the supply network. The research purpose is the impact energy increase while pulse linear...

The effects of Fe doping on the electronic properties of MgO have been studied by ab initio method. Iron (Fe) changes the lattice constants while does not change the cell angels. The calculated band shows MgO is an insulator. Iron doping introduces a band level in the band gap, which increases the conduction...

Usually joints will produce decisive effects to failure properties of rock masses. This paper finished numerical tests of failure process on jointed rock masses with different inclined angles in directly tensile, found that the location and direction of main crack on rock masses without joint were uncertain...

At present there are several protocols ensuring data transmission within wireless data transmission networks. The majority of them are byte-oriented protocols with reliable data, which is delivered along the route with connection setup

We demonstrate that an antireflection nanopore arrays were fabricated for black Si solar energy utilization using the highly ordered anodic aluminum oxide (AAO) masks. We have studied the optical characteristics of antireflection nanopore arrays and polished Si. It is found that the reflectivity of the...

Under the background of the new electricity system reform, the power grid investment players have more economic requirements for Distribution Investment, and the economic and social benefits brought by Distribution Investment are paid more attention. This paper presents a model considering voltage level...

COVID-19 is a new disease caused by the SARS-CoV-2 virus that first discovered at the end of 2019 in Wuhan, China. Furthermore, this virus spread to various countries and was first determined to enter Indonesia on March 2nd, 2020. Markov chain is a method that used to model variables randomly. This research...

A solid polymer electrolyte metal hydride (MH)/oxygen cell using La0.78Ce0.22Ni3.73Mn0.30Al0.17Fe0.50Co0.30in the anode and Nafion as electrolyte is described and investigated experimentally. In this work, the discharge performances of the cell are compared in two charging ways, namely, electrochemical...

In this paper an asymmetric digital watermarking technique based on the Fourier transform. The technique utilizes phase and magnitude component and their one-way combination methods of both components in order to protect the watermark sign being reconstructed with detection signal. A method that using...

Complied with HLA specification based on MAK- RTI software for run support, the highly stable and extend-able ballistic missile against large ship simulation system is designed and implemented. The system simulated formation of large ship, satellite recon, command of battle and the process of missile...

Recently, there has been a growing fashion for businesses to outsource parts of their processes, so as to emphasis more on their core activities. In addition, Web operators often need to compose different services to achieve a more complex task that cannot be fulfilled by an individual service. Web services...

In view of the complex factors affecting the reliability of the main shaft of a nuclear power CNC wheel milling machine, a finite element analysis model is established by using the ANSYS parametric modeling technique and the finite element analysis model of the machine tool spindle, which will affect...

This paper use Midas to build the three-dimensional research model on varied construction stages of foundation pit, in which the foundation pit applies the scheme of combing continous wall and inner support. In geotechnical engineering, the support pattern regularly applied is continuous wall, whose...

This paper has analyzed status quo of drought in Lanzhou and the reason why not make full usage of the Yellow River to improve the local environment. It also includes present status of wetland, wild plants, plant, aquatic plants and wild animals in Lanzhou. Research and put forward the scheme of using...

Eliminate the impact of information and data for the hopping carrier spectrum analysis based on parallel acquisition algorithm using trigonometric function transform method using three-point quadratic interpolation to refine the frequency estimate. By this method improved to improve the accuracy of the...

In order to solve the problem of non-linear modeling of hydraulic system, a modeling method based on BP neural network is put forward. The complex hydraulic system, according to the structure and relationship of hydraulic system, is divided into simpler subsystems, a complete network is established and...

Systematic research on monomolecular layer of phthalocyanine (Pc) and porphyrin (Por) derivatives bas been finished. In this paper an attention is focused upon the orientation and characterization of molecular macrocycle planes of some Pc and Por derivatives in monomolecular layer by means of the the...

Ceramic membrane as an environment-friendly technology, is widely used in water treatment. In this paper, the structure and characteristics of the ceramic membrane are discussed. The application of the ceramic membrane in waste-water treatment is mainly discussed. It mainly includes the treatment of...

Author thoroughly discussed the project cost risk determinants, and to analyze the formation stage of construction project cost risk, building construction project cost risk management mechanism. Author through the study of optimal allocation of resources based on the cost of construction projects planned...

Copper and iron ions are common heavy metal ions in industrial wastewater, pollution can be caused by the direct emissions of wastewater to the environment, only when waste water reach the standard that it can be let out. Zeolite cross-linked chitosan composite adsorbent using natural raw materials,...

Current seismic design provisions such as ASCE 7-10 provide criteria for selecting ground motions for conducting response history analysis. This study is the sequel of a companion paper (I - An accurate algorithm for selecting ground motions) for assessment of the ASCE 7-10 criteria. The results show...

In the age of big data, there is an important research to storage, monitors and analyze the scale of bodies’ signs with the wireless body area network. A medical service middleware system for the purpose of the remote medical monitoring is presented in this paper. According to the wireless body area...

According to the kinematics and dynamics characteristic of UAV Two-axis Pan-title, the dynamic equations of two-axis platform was erected up, and moreover by predigesting and linearizing the model in the balance point, the math model was gained which could be the same with Fault-tolerant controller design....

Due to the limitation of laboratory equipment in SCM experiment teaching, this paper designs a C/S based remote virtual experiment system for SCM education. The user enters the experimental information on the client experiment page. The virtual experiment server receives the experimental information...

The deformation characteristics of soil element depend on it's stress state, so theoretically, if the soil sampling from sliding surface of landslide was triaxial tested under the same stress state, the mechanic deformation behavior of shearing plane in test sample would have correspondence with that...

A model identification method of hydropower unit (HU) based on Auto-Regressive and Moving Average (ARMA) has been proposed. The ARMA model coefficients were obtained by least square method. Using the proposed method, the parameters ey, e, and eqh of hydro turbine can be calculated. Experiment results...

As the pillar industry of the national economy, electric power has important influence on promoting the development of national macroeconomic. Along with the issuance of "No.9 Document" in 2015, China's power industry reform has entered a critical period. Based on the prosperity indexes analysis and...

Aiming at the flow characteristics of tubes, this work analyzed the different cases of inner flow in loop tubeby CFD, and the cases were determined according to the different radius of tube section. The CFD analysis results show that with the increase of radius, the highest velocity at mixing point decreases...

This study presents the development of a compact and portable in-situ analyzer for nutrient determination. The analyzer can detect the seawater concentrations of nitrate, nitrite, phosphate, ammonia and silicate based on spectrometric method and flow injection analysis with the use of peristaltic pump,...

When electronic components work under irradiation condition, total dose effect would be engendered. In order to weaken total dose effect on components, the author set NMOS transistor which are a section of the components as an example to study on the principle of the production process of total dose...

The coupling coordination development of transportation and tourism is an important way to realize the sustainable and coordination development of the national economy and the industry itself. In order to promote the sustainable and coordination development of Ürümqi transportation and tourism industry,...

With the deepening urbanization process, metro systems have become one of the important components of urban passenger transportation. However, the growing passenger flow poses severe operational challenges, giving rise to the demand for short-term passenger flow prediction (STPFP). This study employs...

Electric vehicles generally use batteries for energy storage, but currently there are designs for electric vehicle energy storage using supercapacitors (SC) or a combination of batteries and SC. In previous research, an electric motorcycle was made by converting Suzuki Shogun SP125 chassis, 800-1000...

RTL-SDR is an electronic hardware device in the form of a USB dongle with a central component in the form of a microchip manufactured by Realtek Semiconductor Corp, Taiwan. SDR itself stands for Software Defined Radio. RTL-SDR is widely used by hobbyists, educators, and learners to conduct radio signal...

Aiming at the difficulties of high-precision position and orientation system in aerophotogrammetry system, drift error in traditional Strap-down Inertial Navigation system, noise characteristic mutarions in integrated navigation system, an algorithm based on IMM-SINS/GNSS Kalman filter is proposed. The...

Structure symmetry is a common phenomenon in mechanical product structure, which plays important roles in realizing the design demands of mechanical product. This article using the method of multidimensional fuzzy association rules mining to mine design knowledge from the instance database, the mining...

With the development of large-scale wind power integration and electricity markets, wind farms business were asked to participate in the electricity market. Because of the volatility and unpredictability of wind power, the wind farm suppliers contribute to obtain benefits in the bidding at the same time,...

The studying standard of life sciences and clinical medicine is determined by the development level of morphology detection of biological cells. Currently, there are two approaches for revealing the 3D structure of biological cells, namly, interferometric technique and diffractive technique. Both methods...

In order to improve the quality of service and the energy efficiency, congestion control has exposed as an essential factor in the wireless sensor network. Congestion control for wireless sensor network based on generalized minimum variance controller is proposed in the paper, for which node-congestion...

For empirical mode decomposition (EMD) method had endpoint effect and modal aliasing problems, in this paper an improved Hilbert-Huang transform (HHT) based on combination of symmetrical-mirror continuation and correlation coefficient method was put forward. This method can eliminate the modal aliasing...

This paper proposes a time-lag model predictive control (MPC) method to solve the problem of communication delay in networked automatic generation control (AGC). The method uses the optimum weighting method to predict delay and the time-lag dynamic state equation of interconnected grid as the MPC prediction...

With implement the bottom-up approach to measure operational risk of commercial banks, external loss data must be incorporated to supplement insufficient of internal loss data. But the main limitation of utilizing external data is the apparent heterogeneity in the data. To improve the accuracy of measurement...

Memory foam is a kind of Polyether polyurethane foam which possesses low resilience mechanical properties. The foam mattresses are generally consisted of two to six layers foam, and glued by workers manually with Acrylic glue. A DMC (Digital Motion Control) based control system of automatic spraying...

Mixed exponential distributions play an important role in life time data analysis, but if we use traditional statistical methods to estimate the parameters in the model, it will be very difficult, however we apply the generalized expectation maximization (GEM) algorithm, namely expectation conditional...

For the sake of improving green energy-saving efficiency of the radio communication system,we proposed a green energy-saving algorithm for multichannel communication system based on the energy consumption model analysis. Firstly, mathematical model of the multi-channel energy consumption minimization...

Material casting and rolling forming technology is a new technology of metal rapid solidification of near net and near final forming. The high gradient temperature at the interface is a remarkable characteristic of the interface heat transfer. The heat conduction between the roller and the slab is a...

Ageing of population is a key problem which will be faced by our country. According to the characteristics of intelligent home and analysis of the needs of the elderly, this paper put forward the principles and requirements of intelligent home design in the model of family retirement model, and adopted...

Based on theories of beam bending, a quantitative evaluation method for web rigidity based on aircraft structural part geometrical features and process features was proposed. Combined with the characteristics of cutting force of web features in aircraft structural parts and the basic theory of simply...

Two types of winter wheat were studied in forest-steppe conditions of the Voronezh region: durum (grade Donсhanka) and soft (grade Bezenchukskaya 380). The purpose of the given study is to introduce the winter durum wheat into the Central Chernozem region. This requires the study of biological features...

With the Internet era, people willingness to accept the network shopping gradually improve, continuously improve logistics payment and other supporting services, various types of e-commerce platform have sprung up vigorously. Online shopping has become a way of life of people, which is associated with...

In the diagnosis and operation of the brain, there are five kinds of main tissues, such as gray matter, white matter, cerebrospinal fluid, scalp and skull, those need to be segmented from the MRI to sequel accurate three-dimensional head model. Aiming at this problem, this paper proposes a segmentation...

In order to solve the problem that manual ways for the key frame of the vehicle moving animation needs to consume a lot of manpower and material resources during the 3D animation production. The key problem in this research is the control of the height of the vehicle and the rotation direction of the...

In the business world, competition is a challenge for companies that run businesses in the same field. Not only by getting new customers, maintaining customer loyalty is also a must in order to survive the competition. With the rapid development of technology, many companies are adopting technology to...

This article on food emergency logistics system were reviewed, mainly summarizes the research progress in emergency logistics, large-scale natural disasters and public crises both have serious social impact and huge economic losses, emergency logistics system has an effective prevention and harm reduction...

High reliability is an essential factor of modern software. At the same time, as software complexity is increasing day by day, bug counts and rate inevitably rises, leading to undermine software reliability. To avoid this problem, programmers always use issue-finding tools (bug detection) to discover...

Digital campus is an important part of the University's information.More and more students have mobile phones, so mobile phones have become an important part of the students.Mobile applications to help people to do some things and make lives become more convenient.In this paper, we design a new comprehensive...

AZ31B was used as the basic material in electroless Plating of Ni-Co-P, The optimium formula and process conditions were obtained by using the orthogonal experiment methods. XRD, SEM and EDS were used to characterize phase structure,compositon and morphology of Ni-Co-P coating. The morphology,corrosion...

The mathematical model has been built based on the designation of submersible’s structure. The system parameters of the underwater propulsion submersible have been sorted, calculated and stimulated. The PSO algorithm is used to find the optimal parameters of PID controller to finish feedback control...

The influence of curing temperature on the deformation properties of magnesium oxide(MgO) micro-expansive concrete were studied.Hydration mechanism and expansion characteristics of magnesium oxide(MgO) in cement paste were analyzed by XRD DSC-TG and SEM. Results indicated.Curing temperature had a great...

A gas chromatography - mass spectrometry (GC-MS) analysis method for detecting five kinds of high-toxic pesticides in Chinese tea was established. Gel permeation chromatography (GPC) was used as a sample preparation method. Purified samples were analyzed by GC-MS, detected in selected ion monitoring...

Avionics fuel control system, which is applied for delivering fuel to an engine in modern aircraft system, is difficult to study, design, and implement due to the high-security measures and the need for standard certification.To evaluate the complex dynamics involved in implementing fuel regulating for...

This paper studies the relationship between the workers stress level and accidental rate for the oil and mine industry. The results show that either too much negative stress or too less positive stress will cause more accidents. To adjust the stress level on the venue, we have proposed a smart phone...

This paper presents a method of model construction for the power system transient stability assessment based on statistical learning theory integrated with the bagging and the approximate reasoning. Support vector machines operate on the principle of structure risk minimization. This paper takes full...

The grassland ecological protection subsidiary-award policy is a new policy, with the largest scale and widest range in China since its foundation. This policy isalso expected to bethe most importantlong-termgrassland ecosystem protection policy and measurement. From a macroscopic perspective, the effects...

An analysis method about the influence of relays contact resistance for the automated resistors which is based on a measurement of relays nonideal characteristics and two common automated resistor architectures in this paper. It can be used to evaluate the output accuracy theoretically for the automated...

Blasting is considered to be one of the significant unit operations in the open pit mines for achieving higher production and productivity. As the blasting operation has been carried out frequently in deep open pit mines, the disturbance in the form of structural damages or psychological issues are also...

Based on the multi-sources, multi-dimension and isomerism of the ship-borne sensors, a model was constructed to correlate the ships' dynamic state information. It aims at enhancing the ability of inland river seaman on noticing and discriminating the target ship while the reliability of the model is...