Advances in Engineering Research

In conventional peroxide bleaching of chemi-thermomechanical pulp (CTMP), the bleaching efficiency of hydrogen peroxide (H2O2) is far lower than its expected level. In this paper, a novel bleaching method is proposed to improve the H2O2 bleaching efficiency of poplar CTMP. This novel method, namely Continuous...

In today’s digital era, color processing plays a critical role across industries by addressing the challenge of achieving consistency in continuous object sorting, which is traditionally prone to errors in manual handling. This paper introduces a novel approach for automated object recognition and sorting,...

The oxidative polymerization of dopamine for the functional surface modification of materials has drawn extensive attention. In this work, the coloration and functional modification of silk fiber by dopamine polymerization were studied. The conditions of dopamine application were first discussed in the...

36 kinds of crops and the planting soils had been treated as research samples. All the materials came from Nandu river basin selenium-rich region. 120 research samples had been chosen to research the distribution of selenium and their effects on enrichment of heavy metals in selenium-rich regions. The...

The paper studied a forecast method of geo-hazards in mine area, by use of grey model, it is expected that in 2020, the loss statistics of mine geo-hazards in the area will increase steadily, the loss of water-inrush, slag, ground subsidence and landslide collapse will reach relatively 381,723 dollars,...

Aircraft water ingestion tests on water-contaminated runways is of great significance in the civil aircraft airworthiness certification. It is a very complex strongly nonlinear multi-physics process involving tire-generated water spray and engine spray ingestion. An integrated simulation platform, which...

The beam element, solid finite element models are established in this paper, which are studied the effects of different curvature radius to the shear lag effect in curved box girder. The analysis results show that the inner side and the outer side of the shear lag coefficient of curved box girder bridge...

the tubular joint of KT type circular steel pipe has abundantly existed with wide application of truss structure of long-span steel pipe. This paper analyzes the influence on joint stiffness through three major factors: thickness of major pipe t0, diameter of branch pipe di, the included angle between...

nanopore; PNP equation; EOF; current signals

The main characteristic of sorbents is their polarity. The function of additives is based on their ability to connect and remove harmful substances from the animal stomach. The paper describes the influence of natural sorbents - zeolite and bentonite - on nutrient digestibility, milk productivity and...

Globally, lung illness is the leading cause of death. Lung cancer is the leading cause of mortality for both people and has the most startling death rate of all tumour kinds. An estimated 1.1 million individuals die from this disease each year, while an estimated 1.2 million people receive a routine...

When aircrafts operate in cold regions, electric heat tracing is usually used to heat the water system pipelines to avoid icing. Based on aircrafts operational scenarios, this article analyzed the enclosed and semi-open compartment environments and the heat loss laws of pipelines, determining the power...

The coal dust will cause pollution of the marine environment when the coal wharf of a coastal power plant is operated. The coal loss in the process of unloading in the wharf was estimated through the standard formula, and then the amount of coal dust into the sea was determined. By the combined force...

As a very efficient tool, calculus could do modeling and make evaluations effectively particularly by targeting the features of concurrency and mobility which quite commonly exist in the software system nowadays. After a brief introduction of comparison, this paper mainly discusses a comparison algorithm...

With the help of the Phenolphthalein reagent method, the concrete carbonization depth of several actual engineering projects has been tested in this paper. The study focuses on the impacts of carbonization time imposed on the concrete carbonization depth. Based on the actual testing data, the conclusion...

Physical decomposition of gauge fields and gravitational field are interesting subjects for many researchers [1, 2, 3, 4] . The decomposition of gauge field in Refs[1,2,3] has successfully solved the two-decade gauge problem of a meaningful gluon spin. Ref[4] extended this method to the gravitational...

With the development of power electronics technology and popularization, STATCOM has been widely used in power system. Its smooth voltage regulation curve and precise adjustment ability, greatly improved the power quality of the power system. This paper takes the STATCOM project of China Southern Grid...

The characteristics of the small world network is widely used in Wireless Sensor Networks. In this paper, Hierarchical Algorithm of Wireless Sensor Network Based on Small World Network Model (HASWNM) is proposed. Firstly,the algorithm divide the monitoring area into different sub-regions, and select...

How to accurately find the risk existing in the network in time and rapidly put forward response plans put forward becomes a core issue in the new era of network security. Real-time quantitative assessment of network security situation due to its real-time problem discovery and reference value of assessment...

Cross-rail is a key component of support structure of the machine, whose mechanical properties have direct impact on the accuracy and dynamic performance of the machine. This paper studied a bridge type milling composite extrusion CNC machine whose cross-rail welded together by a rib structure, therefore,...

Based on the multi-agent technology, this paper presents the optimization process of power agent, user agent and government agent in detail. Combined with the principles of consumer psychology, this paper simulates the user response to the electricity price, outputting response curve and obtaining a...

Material environment performance will become a basic performance of new materials in the 21stcentury, various environmental materials and the development of green products will become a dominant direction of the development of the material industry. Life cycle assessment (LCA) has developed into key...

Polyaniline (PANI) was prepared through in-situ chemical oxidative polymerization of aniline monomers in the presence of nanocelluloses. The as-prepared nanocomposite was characterized by scanning electron microscopy, Fourier transform infrared spectrometry, X-ray diffraction analysis and electrochemical...

In view of the present smart substation-area protection situation which exists some traditional relay protection problems, this paper put forward a kind of smart substation-area protection based on multi-Agent technology, which combines with the characteristics of the Agent in the relay protection and...

Manufacturing is the main source of the pillar industries of national economy and national income. In the globalization environment, on the one hand, the competition in manufacturing has been from the market competition to the competition of industrial cluster evolution; On the other hand, the development...

An antisulphuric coating manufactured by U.S. michelman was coated on the case board to prepare antisulphuric packaging paperboard. The silver strip samples were wrapped in antisulphuric packaging paperboard under laboratory condition in a simulated extreme sulfur-containing atmosphere, then the corrosion...

Environmental problem has become a major challenge for the survival and development of human society in twenty-first Century, and it has become the consensus of the community that the green product is considered to be the only way for the sustainable development of human beings. Fuzzy AHP is an effective...

The LFM signal is commonly used in both radar and sonar system. However, the steering vector of the LFM signal is changed with time, traditional DOA ectimation method cannot be used. A DOA estimation method of fourth-order cumulants based on fractional Fourier transform is proposed in this paper. By...

As a variety of smart mobile terminals are in high-speed development, Vehicle Ad Hoc Network (VANET) reveals its huge potential of application in road traffic control and parking space information distribution and acquisition by VANET is one of its important applications. In this paper, a model of distributing...

Teleconference system is an information management system which has functions such as computer control, multimedia technology, network communication and video synthesis technology. The system has been widely used in electric power industry, which raising the efficiency of work. It is very important to...

While wings, control surfaces, engine, and flight control make sure the aircraft can fly. The landing gear is the only structure that supports an aircraft’s weight on the ground. Landing gear is an essential structure that allows aircraft to take off and land because it integrates tires to keep traction...

Technical drawing tables play a crucial role in facilitating the creation of intricate component and structural designs. However, the modification of original drawing table at Politeknik Manufaktur Bandung has raised significant concerns regarding the ergonomic challenges, underscoring the importance...

A new friction model is built for ultrasonic consolidation process by considering deformation of foils due to the texture on the surface of sonotrode. Based on the friction model, a thermal-mechanical coupled finite elemental model is built to study the influence of process conditions on interface temperature...

Dam safety surveillance model in Switzerland is a classic example of good combination of tra-ditional way and modern concept. There is no dam failure in history of Switzerland. Swiss dam safety surveillance mode is highly praised by International Commission on Large Dams and is of enlightening and reference...

Boosting is an effective classifier combination method, which can improve classification performance of an unstable learning algorithm due to its theoretical performance guarantees and strong experimental results. However, the algorithm has been used mainly in batch mode, i.e., it requires the entire...

The attitude displacement process of nuclear power large piecesis time-consuming and very dangerous, which has became one of the important factors for improving productivity and enhancing the workpiece's surface quality.However, the research and development of upenders for nuclear power large parts is...

In order to effectively prevent rockburst, and makes the evaluation and classification of hazardous area of the working face has the potential impact of risk, to put forward the comprehensive index method and the macroscopic evaluation of multi factor coupling impact risk assessment method. In Xinglongzhuang...

In recent years, with the construction of smart grid, the participation degree of the demand side to the power market is increasingly high. For the identification of the load is like a list of electricity, can help the user side to better respond to peak and valley price, reasonable arrangement of electricity...

Technogenic hydrates are mostly a negative factor in the oil and gas industry. Their formation in the bottomhole well zone and in wellbores complicates the extraction, reducing their production rate. In the hydrocarbons collection systems, the hydrates in certain thermobaric conditions deposit on the...

The core loss test is an common-used method to diagnose the core fault of large turbo generator. However, it takes a lot of time to connect cables before and disconnect cables after the power-on test using traditional operational approach. To make the core loss test more convenient to conduct, a new...

Concerning the centralized communication overloading of the virtual machine (VM) in the cloud computing center, this paper puts forward an adjustment strategy, that is, to build a model through the load evaluation of three threshold values in consideration of the load balancing and to achieve the objective...

N-4-(4-chloro-3-trifluoromethyl-phenyl)-7-methoxy-quinazoline-4,6-diamine (1) exhibited potential biological activities in medicine, 4-chloro-7-fluoro-6-nitro-quinazoline (2) is an important intermediate in compound 1. In this work, a rapid synthetic method for compound 1 was established. The compound...

By simulating the runner of the VARI molding process with PAM-RTM about the front floor of the car, examines the different injection methods, different influence of distance of hose guide for filling time, analyzing the resin flow patterns, the effects of the mold cavity pressure distribution and the...

The common urinal flusher, whether the button switch type or infrared detection induction, due to the water hole in the system by flushing it into the water column outflow, which cannot be evenly distributed in the urinal, resulting in poor cleaning effect. Furthermore, when a large amount of water washed...

Fire incidents prevail in Ghana, leading to significant fatalities and considerable financial losses. Inadequate efforts are implemented to reduce such occurrences, regardless of their increasing severity. The study aims to reveal trends, high-risk environments, and key contributors to their frequency....

A thematic map is a media in conveying specific spatial information on the surface of the earth. One form of spatial information is disaster vulnerability area. Through maps, students can improve their competence in understanding spatial disaster information. The better the ability to read the information...

This system is a ZigBee-to-Wi-Fi wireless gateway that implements a WSN/ZigBee seamless, wireless connectivity to WLAN. It will help ZigBee devices communicate with standard equipments via wireless medium, vice versa. Hardware system is composed of LM3S9B96, CC2520 and Wi-Fi module. Z-Stack is TI's ZigBee...

The reliable operation of power equipment related to the performance of surface-to-air missile weapon systems, accurate fault diagnosis of power system is very important. In order to make an accurate diagnosis for power supply equipment of the surface-to-air missile weapon systems, this paper introduces...

The accuracy of fault detection is helpful to improve the stability of power quality. With the development of new energy, the technology of flexible HVDC transmission has been gradually mature, but there are still some problems. In this paper, the Mallat algorithm is used to detect the DC line fault...

There are three different frame formats in standard IEEE 802.11n which are mixed format HT (high throughput), non-HT and green field HT. Two types of signal were proposed in different frame formats, HT-SIG and L-SIG. Since both L-SIG and HT-SIG are BPSK modulated, the HT-SIG is rotated by 90 degrees...

Regional innovation system and circular economy are the important means to solve the problems between economic development and resources and environment. However, there are still some contradictions between them currently. Therefore, this paper studies the construction of regional innovation system in...

This paper used parallel test of single factor to investigate preparation method, the excipient, the water-soluble filler, the wetting agent and the drug loading for Pulsatilla Chinensis (Bunge) Regel total saponins-hydroxypropyl- -cyclodextrin inclusion compound pellets. The results showed that the...

By filming the excellent male athlete Nadal’s live game video in the 2014 China Open, the thesis analysis Nadal’s forehand stroke technique in virtue of three-dimensional photograph analytic method, selecting the standard video of Nadal’s baseline forehand topspin. It is aimed at revealing the kinematic...

The technology of abrasive jet assisted drilling has the advantages of high efficiency and low energy consumption, which causesits wider application in the field of offshore oil and gas exploitation engineering.This paper used fluid analysis software to simulate and analyze the movement of abrasive jet...

With the swift expansion of wireless technologies, demand for radio spectrum is continuously mounting. Along with the spectrum scarcity problem, radio spectrums are also underutilized. Cognitive radio practices an open spectrum allocation technique, which can ensure efficient handling of the frequency...

Experimental investigation is conducted for a new type precipitating apparatus, and results are reported, meantime its application also are reported. Application and experimental results show that the collection efficiency for respirable dust is above 80% and 92% , under application and experiment condition...

This paper introduces the transmission system of a single, double-row planetary gear oil-electric hybrid power automobile. The main drive motor and auxiliary drive motor cooperate with the corresponding planetary gear mechanism, which can realize different working modes and timely startup of gasoline...

The properties of asphalt mortar with fiber added directly affect the road performance of SMA. Based on the raw material performance test, the paper carried out the dynamic shear rheological test (DSR) and the bending beam rheological test (BBR) on the SBS modified asphalt mortar with nickel iron slag...

Sulfate reducing bacteria (SRB) was isolated from soil and applied for the remediation of heavy metals pollution from acidic coal mine waste. The result indicated that SRB could be used for the remediation of heavy metals pollution from acidic coal mine waste, based on sewage sludge, chicken manure and...

An important skill that a teacher must have is knowledge of all kinds of learning strategies. This indicates that the teacher is not only required to understand the subject they are delivering but also must have knowledge of strategies in delivering learning material to students. PPGP is the development...

During pyrolysis of tobacco rob (TR), the operating parameters such as the temperature, the heating rate, and residence time and particle size affect the process and result of the pyrolysis. Some of these parameters have been closely considered but the particle size of TR is often ignored. In this study,...

Taking the east mining area of sixth pit of Jinning phosphate rock of the largest open-air phosphate mining company of Yunnan Phosphate Chemical Group Co., LTD. (YPCG) as engineering background, the study of the mining technology of filling method of gently inclined and thin to medium thickness phosphate...

In view of disadvantages of conventional approaches such as insufficient ranking, disunity of index dimensions as well as too subjective weights in adaptability assessment of camouflage screen, we proposed a new super-efficiency DEA algorithm to overcome them. Traditional DEA algorithm often runs into...

Through the low strain dynamic test in engineerings, we found that the wave velocity is raised with time. Reasons for the phenomenon are analysed with the theory of stress wave propagation. We found that the increasing of the velocity of the test pile is mainly effected by the of lateral soil, because...

The hypoid gear pair is a main part of driving axle and it is one of the main sources of vibration and noise in the automobile transmission. Study on mechanisms of vibration and noise of the hypoid gear pair, and investigating on reducing its vibration and noise are of great significance. Firstly, a...

A ternary compound Er10Ga3Si3 was synthesized and studied by means of X-ray powder diffraction technique using Rietveld methods. The ternary compound Er10Ga3Si3 crystallizes in the hexagonal structure, space group P63/mcm (N0.193) with the Mn5Si3 structure type and lattice parameters a= 8.3595(1) , c=6.3095(1)...

As an important branch of management science, project management has been developed greatly and especially widely used in power project. However, complexity of power project leads to a series of problem for the management of power project. This essay aims to analyze the real problems in power project...

A remotely operated vehicle (ROV) is essentially an underwater mobile robot that is controlled and powered by an operator outside of the robot working environment. The issue of 2D path-following control of ROV was studied. Based on single-input fuzzy controller expressed in analytical form, an improved...

With the rapid development of edge computing, the deployment of convolutional neural networks (CNNs) on edge devices has become increasingly necessary to meet the demand for intelligent applications. However, edge devices are often constrained by limited computing resources, storage capacity, and strict...

The comprehensive assessment of dam risk consequences caused by the dam failure is difficult because of the uncertainty, inter related and the non unification of the risk consequences. For this problem, combining with the existing laws and regulations of dam failure accidents classification rules, this...

An epoxy phosphate was successfully synthesized by reacting epoxy resin with phosphorus pentoxide. The chemical structure of epoxy phosphate was confirmed by using FT-IR. The interfacial tension and viscosity of aqueous solution of epoxy phosphate were tested. It is found that epoxy phosphate had good...

The cellulose acetate (CA) nanofibrous mat was fabricated by electrospinning under optimized spinning conditions in this work. The morphology, chemical structure, thermal stability and hydrophilic property of as-prepared CA nanofibrous mat were characterized by scanning electron microscopy, Fourier transform...

Land contaminated by high levels of heavy metals in Tin mining wasteland is urgent to be remediated.To find out the tolerant plants which can adapt to the local climate and the soil conditions is thesystem restoration of the area. Results showed that the average content of soil heavy metals of Mn, Cu,...

In order to solve the problems brought by the PV-storage microgrid embedded to distribution network, this paper proposes a hierarchical coordinated control scheme to alleviate negative effect. First, the characteristic of distribution network with microgrid is analyzed, the model of PV-storage microgrid...

The method of completing the squares is a method that is used to transform a math formula directionally in order to obtain a perfect square formula by making rational use of “splitting items” and “adding items”. Least square estimation consists of the method of projection, the method of derivative and...

The paper presents the control strategy to solve the problems that multiple-freedom force and displacement coupling existing in the bilateral servo force-feedback control architecture for tele-operation parallel manipulators. The control strategy transfers the values of the working resistance connected...

The spherical bulkhead structure in style of sphere-toroid-cylinder combined shells is taken as the research object, and its structural strength with different "flatness" is studied. In order to characterize the geometric flat shape of the spherical bulkhead, the concept of "flatness" is put forward...

The teleconference system has the characteristics of large-system, big-scene, and high-profile. To find the regularity and experience of the teleconference system, not only can change the current passive situation on the security situation of teleconference system, which reduces security risks, but also...

Intelligent aquaculture, refers to the engineering technology, machinery and equipment, monitoring instruments, wireless sensor, management software and large data, cloud computing, artificial intelligence and other modern technical means for fishery production, to achieve high density, high output value,...

In recent years we have seen how the world has taken a turn! People have started to cover their faces with not just face masks but also with Face-Shields for extra precaution. Similarly, people are not stepping out of their homes without a sanitizer in their hands-reach. As the world is trying to evolve...

The seepage problem is one of the most important factors leading to the failure of dams, and it is extremely important to carry out inverse studies of seepage phenomena in the safety analysis. The paper uses the finite element inversion analysis method to evaluate the seepage safety of a dam using a...

Using the method which potassium permanganate modified medical stone and titanium dioxide load maifan-ite to removal arsenic in drinking water. Compared with the dosage, shaking time, pH on arsenic removal, the research results show that when the dosage is 0.2g, the effect of titanium dioxide and potassium...

Expanded polystyrene(EPS) is a new type of thermal insulation material with excellent properties. It is widely used in the field of external wall thermal insulation, packaging, advertising and others. It has become a hot spot in the field of plate processing that how to optimize EPS board line cutting...

In the process of oil field exploration and development, the vibration induced by geophysical blast, drilling construction and overhaul operations, etc, are often encountered. The vibration have a certain impact on the surrounding houses or poultry and livestock farmers. And the normal operation of oil...

Hard landscape factors have almost penetrated into every corner of living environment, thus occupying a significant position in residential landscape design. The ecosystem-based softening design of landscape hard factors is conducive to break away from the narrow scope of visual aesthetics. Based on...

To propose the methods for cogging torque reduction in permanent magnet machines, theoretical reasons of cogging torque are studied in this paper and the qualitative analysis is performed before quantitative calculation with finite-element method. And the effects of slot opening widths, unequal thickness...

Landslide is a common kind of geologic hazards, which is a very serious potential threat for security operation of power system. Therefore it is valuable to research and develop a landslide online monitoring system to monitor landslide which lies very close to power tower. Based on current research,...

In this paper, the quantification theory model I based on the theory of multivariate linear regression was used as a preprocessing tool to reduce data dimensionality in 13 factors influenced groundwater quality. Then BP ANN groundwater quality forecasting model was created and 8 important characteristic...

The traditional vertical walking force model does not take account of the variations of intro-subject and inter-subject, this paper aims at analyzing the characteristics of vertical walking force of single footstep. Using a test platform, two single footstep traces are collected. Force shape parameters...

The C19-C23 fragment (9) of the anti-trypanosomal natural product actinoallolide A was prepared via an elegant stereo-controlled route. We installed the chiral center at C20 through a standard Evans aldol reaction, and protected the secondary hydroxyl group via a silylanization.

This paper will discuss strengthening mechanism of ultrasonic hydroxyapatite nm from each ultrasound parameters, such as: research ultrasonic power, intensity, frequency, etc., the findings concluded that ultrasound is through a liquid medium to a solution of molecules, ions action. When the ultrasound...

A fault diagnosis method is presented in this paper for poor field testing conditions of large-scale hybrid circuit, and taking the LNE navigation control card which is vital to the operation of regulation and monitoring system in the nuclear power plant, a simulation model of hybrid analog-digital electronic...

The urgency of the present study is due to the absence of any reliable method for investment risk assessment in agribusiness which impedes attracting and control of investment processes in this sector of economy. The article presents a new approach to modelling investment risk assessment applicable for...

The characteristics of user's behavior in the real scene are analyzed, and a personalized recommendation method based on user behavior analysis is put forward. In the electronic commerce user behavior can be divided into clicking, purchasing, collecting, plussing shopping cart, etc. The current mainstream...

To solve the problem that the positioning strategy with sliding window approaches requires exhaustive search in feature pyramids, the paper proposes an object detection algorithm based on deformable part models with Bing features to help object detection. First of all, input images are preprocessed with...

The different values of pH, EPS dosage, initial uranium concentration, dialysis temperature and other factors, were investigated of anaerobic sludge extracellular polymer (EPS) on U (VI) in wastewater by adsorption effect. The results show that, the best pH of EPS adsorption of uranium is 6, when the...

On-board xenon lamp (HID) has a series of advantages such as high luminous efficiency, high brightness, low energy consumption, high reliability, being not affected by on-board voltage fluctuation and long service life; especially in terms of the use of warning lamps, it has such advantages compared...

The combined process of microwave and fly ash is used to remove methylene blue pollutant from aqueous solution in this study. The microwave radiation time, fly ash dosage and pH value on removal process are varied separately to study the effect of these experimental factors on removal performance. The...

According to the image characteristics in weld seam tracking with laser vision, Radon transform is first used to find the location of the laser stripe; then, the transformed image is processed by using the way that the pixel information caused by laser stripe is reserved and the other information by...

The tunneling engineering plays a pivotal role in infrastructure construction. However, due to the complex construction environment, photographs of tunnel surface are often obscured by dust and smoke, which in turn affects the clarity of the photographs and the accurate identification of the structural...