Advances in Engineering Research

Properly monitoring plant health in hydroponic farming is crucial as the plants rely solely on mineral water flowing through their roots as a growth source. One of the main challenges is the early detection of wilt in plants due to water stress. If not addressed promptly, water stress can lead to crop...

Short electric arc machining is a new type of special processing technology, and the method has many advantages such as no cutting force, high processing efficiency and little influence on thermal deformation, etc. In this paper, the features of several typical difficult-to-cut materials were introduced....

The characteristics of communication principle course and the teaching status are analyzed in this paper. Aiming at problems in the teaching process, the reform is performed about the curriculum content, practical teaching and examination mode, etc. Some teaching reform suggestions are put forward for...

Micro film advertising is a kind of propaganda means which is used to transmit information to the public for a specific need. The spread of the main micro film advertising is the initiator of brand advertising, which is mainly spread through two ways: one is the use of video sites, social networking...

In order to improve the accuracy of network potential hazard trend estimation, a method of network potential hazard estimation based on the combination of grey relational analysis (GRA) and improved support vector machine (SVM) is proposed. At first, determine evaluation index weight by GRA, then optimize...

The treatment of the waste water containing Linear Alkyl benzene sulphonate (LAS) was studied by the Sequencing Batch Reacto r(SBR)activated sludge process. The activated sludge was domesticated to get the micro biome which had a prominent degradation effect on the LAS. Simulated the SBR and find the...

In this article, the loss of marine living resources resulting from the land reclamation as part of the sea-development plan for the regional construction of Niutou Bay, Changle, Fujian Province (including monetary value) was studied, based on the data of this area and the current estimation method for...

Analysis of design methods of humidity regime for multilayered wall structures based on cellular autoclave composites is realized. Relevance of arrange of study of cellular composite work humidity is proved. Experimental studies were curried up as well as results of sorption wetting and water vapor transmission...

In this paper, we propose a novel algorithm to deal with the problem of visual tracking in some challenging situations, which is based on HOG feature and sparse representation. First of all, describe target according to the HOG feature; secondly, construct the appearance model of target with the sparse...

Through sorting and statistics of relevant test results on machining of high-strength materials at home and abroad, the tool materials and the distribution characteristics of tools' optimal geometric parameters as well as the possible causes are analyzed. The statistical results can be not only used...

The development of biomass energy has been attracting attentions from all over the world. Biomass burning power generation is the main way to utilize the biomass energy with high cost of electricity. Based on the relevant analysis, the characteristics of the components of the electricity cost and the...

Membrane separation technology, as an important water quality safeguards, has been widely studied and applied in water and wastewater treatment,because of its advantages ( low cost, convenient operation, no phase change and no secondary pollution). Compared with organic membrane, the inorganic ceramic...

According to the hydrographic features and current data of Yellow River’s Ningxia Sector, this study uses WASP model for water quality simulation and selects three pollution indexes COD, NH3-N and TP, conducting analysis on the spatial change characteristics of these three indexes. On this basis, the...

This paper analyzed the content, horizontal distribution and migration process of Cd in bottom waters in Jiaozhou Bay based on the investigation of Cd in July and October 1984. Results showed that Cd contents in bottom waters in July and October were 0.05-0.18 μg L-1 and 0.05-0.06 μg L-1, respectively,...

The model of LNG cold energy recovery consisting of a Brayton cycle and a Rankine cycle is constructed in Aspen Plus. The effects of the inlet and outlet pressure of the turbines, ammonia-water flow rate, condensing temperature and the compressor outlet pressure to the thermal efficiency of the combined...

Linear Quadratic Gaussian optimal control which is namely LQG control algorithm, is superior to PI control algorithms in control performance, such as adjusting time and overshoot. In closed-loop system, LQG has good anti-interference ability and stability. In order to reduce the pointing error and tracking...

This article uses the ant colony algorithm to study the distribution change of languages in various regions under the same time period. We combined the neural network algorithm and made the population flow gradient as the main basis of pheromones to establish a world language distribution dynamic model.

The purpose of the article is to develop a mathematical model of the power regulator using an A11VO axial-piston pump (Bosch Rexroth) as an example and determine the effect of pressure on the control process parameters. A mathematical model of the regulator was developed; a scheme for its solution in...

The education at any higher educational institution shall focus on students' ability to predict and correct their future activity within general cultural competences. The paperconsiders labor as one of universal human values aimed to improve the intelligence level of future engineers thus accelerating...

In the paper, the existed problem for its different parts of the collection system on ELV (end-of-life vehicle) are investigated deeply in China. Considering the national conditions, specific measures are taken to improve the automobile collection system, and a new system of the ELV recycling is provided....

The paper reviews on the carbon reduction theory in Chinese steel industry and introduces three calculation methods of carbon footprint. Provincial Guidelines for Greenhouse Gas Inventories and Accounting Methods and Reporting Guidelines for Greenhouse Gas Emissions in Chinese Steel Producers are calculation...

UPS (Uninterruptible Power System) is a kind of high-powder electronic device that can provide high-quality electric power continuously and stably. Accumulator plays important role as energy storage equipment and its charging and discharging process is a complex electrochemical reaction, and parameters...

The estimation of annual average seismic insurance premium in life service period for multi-story reinforced concrete (RC) frames based stochastic parameters models is the focus of the research. An innovative seismic analysis methodology is adopted for seismic loss estimation of buildings. The damage...

Planning and budgeting in regional development are two things that are interrelated and must be balanced. Planning and budgeting are integrated processes; therefore, the output of planning is budgeting. This study aims to determine the effect of the budget refocusing policy due to the covid pandemic...

Manado State Polytechnic has the main goal of implementing sustainability systems by applying the green architecture concept when building its facilities, including the Integrated Laboratory & Workshop which is still under Design Recognition. This research aims to assess the sustainability value...

In this paper, by adding different amounts of rare earth Nd magnesium alloys in ZM21, ZM21 study of Nd on magnesium alloy thermal processing temperature ductility and plasticity effects and mechanism of the law. The results show that alloy appeared 1-3 m needle and granular three alloy phase T1 and T2,...

The synthetical symptoms of bevel gear is concluded. Using wavelet and mixed data merge does the intelligence diagnosis to the defect of bevel gear , which is integrated with data , characteristic, decision grate and nerve network . A model of wavelet neural network is constructed. In order to reduce...

In the Internet era, the movie website has become a mainstream platform for movies introduction and comment on the movie resources, annotation also has become a mainstream form of movie resources under the network environment of the new organization based on social tagging.. From the system point of...

Objective To study the technological parameters of the purification process of phenols from Callicarpa nudiflora (C. nudiflora) with HP-20 macroporous resin. Methods The kinetic adsorption and desorption experiments were carried out on HP-20 macroporous resin (HP-20) to optimize the separation process...

In order to explore a suitable bone graft substitute to improve the success rate of bone graft, the bone reconstruction modeling has become a hot research topic. Over the past several decades, there have been a lot of models developed for the bone reformation. This study mainly discusses the current...

In the current new situation, "public entrepreneurship, innovation" deepens the reform of higher education. The paper expounds how to cultivate talents with the integrated innovation for Information technology and law education. We put forward "Class and Competition" mode, "Class-Certification Integration"...

Odometer lever arm effect on strapdown inertia navigation system initial alignment with odometer is studied in this paper. This paper presents an error compensation method of odometer lever arm. In this method, the difference between output velocity by odometer and velocity output by SINS is taken as...

To investigate the backlash phenomenon vibration and noise of a gear transmission system, we compared the performance of two difference types of mechanical transmission performance system: worm gears reducer (DYNABOX) and planetary gear reducer (APEX). We analyzed two kinds of models and harmonic response...

The intelligent improved NPRIM algorithm is applied to the new hospital in intrusion detection system, and has done a lot of experiments on simulation data sets, design a high detection rate and low false detection rate based on clustering and the boundary point detection of intelligent intrusion detection...

Combining the current development situation of data mining system, this paper introduces the centralized and distributed data mining system respectively, focuses on the detailed introduce to the various components of the centralized data mining system and its concrete realization technology, and summarizes...

Ac motor control system is complex nonlinear system which contains many factors such as multi-variable, strong coupling, time-varying and uncertainty parameters, it is very complicated to adopt the traditional control method to control this system. First this paper established the mathematical model...

According to the research status of foam fluid, by referring to a mount of literatures, the characteristics and superiority of foam fluid for enhanced oil recovery were analyzed, the foam displacement of reservoir oil mechanism and dynamics characteristics of oil displacement process were summarized....

By using the analysis tools of scanning electron microscope (SEM) and energy dispersive X-ray (EDX), the reason for the disqualified Z-direction performance of a 60mm Q370qEZ35 heavy steel plate was investigated. The results showed that the disqualified Z-direction performance of Q370qEZ35 was due to...

The problem of combustion and emission in a turbocharged diesel engine under transient conditions has become an unavoidable problem under the increasingly stringent emission regulations. In order to alleviate the transient test of large amount of capital investment, the difficult test and long testing...

Compared with the transform domain video watermarking algorithms, the spatial watermarking algorithms have weak robustness, but they have high visual quality. To ensure the video quality and satisfy the robustness requirement, a robust video watermarking algorithm based on spatial domain is proposed....

The absorption process in the petrochemical industry is used to separate, purify and dehydration of hydrocarbon gases. Absorption is the process of absorbing substances from a gas compound with fluids. The absorption process is accompanied by rather significant thermal effects. In this paper, modeling...

Shaizhudong spring is the largest one in the central of Weibei, Shaanxi Province, China, for its supply source predecessors have done a lot of research, it was considered that Jinghe leakage is the main source of supply, and it is the concentrated discharge points of Shaizhudong spring area hidden karst...

The application of high-temperature-resistant fiber grating in the field of sensing is introduced in the paper. The basic sensing principle of fiber grating as the sensor is expounded. Fabricating method, high temperature characteristics, advantages and disadvantages of the main high-temperature-resistant...

In view of the running safety in elevator under plateau environment, the temperature rise of elevator driving machine is inspected as the breakthrough point for research. Based on Simplified formula theory, the heating condition of elevator in plateau environment is discussed. The correctness of theoretical...

Fault detection for air-conditioning system was the key to guarantee performance and energy-saving. However, it was hard to resolve the parameter drift, multiple modes, incipient failures and existing failures via the conventional fault detection for air-conditioning system. This paper aimed at air-conditioning...

This paper proposed a novel hearing loss detection method. Our method first used seven Hu moment invariants to extract features. Afterwards, we used support vector machine to act as the classifier. The 10x5-fold cross validation shows our method yielded an overall accuracy of 77.47± 1.17%. The sensitivities...

Lack of technical knowledge of house planning and also calculations in terms of providing materials and resources which has an impact on delays in the construction process. In addition, the worst thing that could happen is that work could stop in the middle of the construction process. The aim of this...

DNA polymorphisms is variation on DNA sequence that change amino acid and gene function through changes in splicing, one of this polymorphism was SNP which only one nucleotide that change on target sequence. A survey that comprised 44 single nucleotide polymorphism (SNP)s of 31 candidate genes related...

To enhance the accuracy of industrial process risk assessment, a quantitative HAZOP-based analysis model was established. Traditional HAZOP analysis was integrated with the process simulation software Aspen Plus to construct a process flow model. Subsequently, sensitivity analysis was employed to simulate...

Wireless Sensor Networks (WSN) have increased reputation since its widespread applications and potential improvements in various fields. They have increased the enabling of IoT applications, due to easy accessibility and less cost. Data sensing is done through nodes in a wireless sensor network and processed...

The development of automotive technology to reduce exhaust emissions from vehicles with spark-ignition engines uses catalytic converter technology. This experiment aims to determine the effectiveness of using brass as a catalyst in the spark-ignition engine. For carbon monoxide (CO) measurements on the...

In this paper, a new model developed to estimate transformer vibration is presented. The model contains three parameters-current, voltage and temperature, which can be easily measured. Also, the vibration theory for transformers was analyzed, a six-channel vibration measurement system is set up and the...

Electro-Static Discharge (ESD) is critical for the reliability of integrated circuits. Applying ESD model in circuit simulation could help to predict and avoid potential failure caused by ESD. This paper proposes a SPICE macro model for parasitic NPN ESD and related methods for extracting SPICE model...

Through the study of tests,the'Technical Specification For Detecting Strength Of Concrete By Ultrasonic-rebound Combined Method' CECS02: 2005 of applicability situation in Hengyang was analysed to establish the ultrasonic rebound strength curve of this region,which was based on the least square method...

Identifying key users have become a focal problem in the area of online social networks. Tweets and Behaviors of people are two core facets for finding key users. Tweets of published by users spread support from different behaviors. However, existing literature on key users evaluation has mainly focused...

Cross-well seismic has the characteristic of high resolution. It can solve the exploration problems of stratigraphic trap and lithological trap in small scale and complex structure. In order to solve the problems of cross-well seismic wave imaging effectively, the paper uses Gauss beam forward method...

With the rapid development of aerospace, optics, photonics and other fields, the optical glass is more and more widely used. In ultrasonic vibration milling process, the milling force can directly affect the stability of machining process, the processing quality of components and the pass rate of products....

With the energy crisis approaching, new energy has become one of the major energy sources in the world, and the Wind/PV Hybrid System have came into being. Wind power generation and solar cell array power generation are commonly referred to as Wind/PV Hybrid Lighting Systems, and their role is to solve...

Through conducting the GDS dynamic triaxial test, this paper makes an analysis for the deformation characteristics of soft soil and its settlement mechanism under the subway traffic traveling load in Wuhan area. The test result shows that the cumulative plastic strain and pore water pressure of the soft...

Concentrations of polycyclic aromatic hydrocarbons (PAHs) were determined in the sediments from the main stream and the tributary of the Changjiang River. PAHs contents in the sediments from the Changjiang River ranged from 10.31 ng/g to 1239 ng/g, which were most likely related to human activities....

The purpose of this paper is to present two novel methods of improving low voltage ride-through (LVRT) capacity of doubly fed induction generator (DFIG) wind turbines. The first one, combining regular crowbar protection and three switches, enabled us not to consider the insulation of rotor inverter when...

Leucaena leucocephala has been widely used in the ecological restoration and protection of engineering slopes in southwest hydropower projects. It is one of the key issues in slope ecological restoration that how to determine seeding age for transplantation. The erosion resistance, scour resistance,...

The safety operration of tailing spond always plays a significant role in the whole mining production. With the tailings particle size is becoming smaller and smaller and the fill dam is higher and higher, the stability of tailings dam is becoming worse and worse, so the stability of fine-grained tailings...

CdS thin films were deposited on indium–tin-oxide (ITO) coated glass substrates by a chemical bath deposition method. Then the CdS/ITO slides were immersed in the solution containing 1.6 mM CuCl2 and 1.4 mM cetyltrimethylamonium chloride at 37oC for 3 h to growth Cu2S nanoparticles on the CdS/ITO slides....

Along with the urban development, the application of anti-glare glass is more and more widely, high transmittance and low reflection of glass manufacturing technology research is of great significance. Because of the complexity of the anti-glare glass preparation technology, anti-glare glass transmittance...

In the accident reconstruction, the measurement is often performed according to the accidents information left in the scene of the accident, such as collision point, braking traces, scattered ,fallout, the throw distance of the body, the throw distance of the two-wheeler, etc. With the aid of these effective...

Carrying out civil works related to development of infrastructure towards Public Transport System is a challenging task in the present day urbanization condition. Such worksin City like Bangalore where there is acute shortage of space and Geology controls the progress of construction of metro rail corridor....

With the progress of the times, the continuous development of science and technology, and the widespread application of computer networks, the Internet, the Internet of Things, big data, cloud computing, and artificial intelligence have gradually entered people's field of vision. In the era of big data...

Both audio steganography and network steganography are belong to modern steganography. Audio steganography has a large capacity. Network steganography is difficult to detect or track. In this paper, a multi-layer steganographic method based on the collaboration of them (MLS-ATDSS&NS) is proposed. MLS-ATDSS&NS...

According to the statistics of the National Bureau of Statistics, the number of fires in China has been increasing progressively year after year and it is more than 125,000 each year on average; thereinto, 152,157 fires occurred in 2012, with 1028 deaths and direct economic losses of 2.177 billion yuan....

The laboratory construction of the university provides support services on experimental and practical teaching for all majors through the integration and optimization of experimental resource allocation. By analyzing the current situation of laboratory information construction, this paper proposes to...

In this paper, we analyzed the collected measured data of floating vehicles with mobile collection equipment in the driving of Beijing. The results show that the fuel consumption of the floating vehicle increases with the increase of the vehicle speed when the vehicle is traveling at a constant speed,...

For speech separation method, getting the accurate weight vector is very important for the performance of method. Aiming at how to reduce the signal cancellation, this paper focuses on obtaining the weight vector in the speech separation process accurately, and it designs an adaptive speech separation...

The Tebai gold deposit is located in the Yabulai - Bayinuoer archaeozoic continental arc fold belt in the east of Alashan platform uprise. The ore bodies occur in the Carboniferous slate and phyllite of the Mesoproterozoic Agulucou Formation, surrounding by the Hercynian Guancaitaolugai granite porphyry....

Accurate traffic flow forecasting is very important for intelligent transportation system. This paper proposes a traffic flow forecasting method based on gradient boosting decision tree. In the preprocess phase, sliding time window and feature extension of traffic data are designed on the basis of time...

Deep learning (DL) is an important branch of machine learning (ML) that has excellent performance in recognition and detection tasks. Currently, most self-service restaurants/canteens are utilizing traditional manual cashier approaches, which suffer from the problems of error calculation, low efficiency...

The primary aim of this study is to design and implement a GSM-based smart air-conditioning system to reduce energy consumption in residential and office environments. The objective is to provide an energy-efficient, remotely operable solution that integrates infrared (IR) technology and microcontroller-based...

This article explores the transformative potential of ML-Driven Predictive Analytics for Effective Hiring in modern Human Resources practices. In today’s dynamic recruitment landscape, traditional methods often face challenges of inefficiency and bias, necessitating innovative solutions to streamline...

The research reported on this paper developed an integrated hybrid model using machine learning (ML) and deep neural networks (DNNs) for developing accurate sentiment classification techniques for movie reviews. This hybrid architecture combined classical ML algorithms with Convolutional Neural Networks...

The complexity of healthcare project and program management has never been as high as it is with the multi-dimensional regulatory constraints, asynchronous orchestration of stakeholders, stochastic resource allocation and dynamically changing clinical demands. Conventional deterministic project management...

With the rapid development of the social economy, polymer materials are widely used in various construction and production industries, and at the same time, a considerable amount of polymer material waste is also generated. Waste polymer materials pose a great threat to the environment. In today's...

This case study aims to assess how water quality is improved after water treatment processes and explores the LSTM model’s prediction capabilities for predicting the Water Quality Index (WQI) for the Kushighat Surface Water Treatment Plant in Sylhet, Bangladesh. A total of 420 datasets in the laboratory....

Steel contain a considerable concentration of iron alloy and carbon when compared to other elements. Furthermore, carburzing process is used to improve mechanical properties of this metal through the addition of an activated carbon. This study used rough and smooth sizes of schleichera oleosa wood charcoal...

To improve the problem of delayed voltage recovery after fault, a dynamic voltage/var sensitivity model based on integral mapping is set up and a generator excitation control strategy based on WAMS is presented in this paper. It provides voltage supporting after voltage drop through increasing the reactive...

Since a vehicle is prone to instability and rollover when taking a rapid turning, in this paper, an integrated control strategy of Electronic Stability Program (ESP for short) and active anti-roll steel bar (AARSB for short) is proposed. Then a three-degree-of-freedom vehicle dynamic model is established...

In this paper, a series of Pb-Cu binary alloys with different copper content are synthesized and the electrochemical performance is investigated by electrochemical working station. Results show that the introduction of Cu to the pure lead alloy can reduce the hydrogen evolution potential, and the addition...

Currently code review or white-box security detecting is widely used to parse the source codes and discover security vulnerabilities. In this paper we illustrate a more accurate code security review method based on the reference tree with security properties which made of all manipulable entries in source...

In the social life, people often face a wide range of scheduling problems, such as appraisal of excellence, race rankings. These are often hot and sensitive issues, so the research of this type of problems has practical and economic value. But due to socio-cultural diversity and pluralism of values,...

The paper describes the development of composite binders with low water demand, obtained by intergrinding Portland cement, Muroplast hyperplasticizer, and tailings of magnetic separation of jaspilites from the Kursk Magnetic Anomaly. The obtained composite binders possess high strength properties after...

The detection of intermittent chaos is an important embranchment of detection of weak signal based on chaos oscillator, which is used to detect the frequency of the signal. In this paper, a method of intermittent chaos detection based on the two-oscillator-difference is put forward. The validity of this...

With the capacity of integrated wind farm increasing, the reliability issues of power systems could not be ignored. This paper proposes an evaluation method for power system operation state based on elastic back-propagation neural network through the data of the phasor measurement unit. The effectiveness...

In order to improve the reliability of distribution network operation, this paper proposes a method that through adjusting the distributed power output to reduce the closing loop current. Mainly by regulating the operation state of the distributed power to change the power flow distribution, reduce the...

The flavor of onions at different processing times (0, 6, 14 20 days) were monitored by electronic nose. Different sensors were sensitive to different compounds. The results showed that the sulfur compounds were the major components in the onions, which decreased significantly with the increasing of...

The die optimization design is an effective way of overcoming the extrusion problems of plastic tube. Due to the obvious influence of the rheological properties of melt on the extrusion shape of the plastic tube, the reasonable cross-section shape of the die is one of most important factors in the die...

Water shortage is very serious in kunming area. Based on the precipitation and evaporation data of 2001-2011 of Kunming provided by Yunnan Meteorological Bureau, the article analyzes the change features of annual, seasonal and monthly rainfall and evaporation over the last 11 years. What's more, by referring...

With QQ instant messaging tool is widely used in contemporary college population, QQ group notifications is changing greatly influenced the thinking and behavior of contemporary college students. How to effectively be used of QQ to ideological and political education, is the ideological and political...

An safety accident of Xushui River bridge in the southwest expressway around Zhengzhou city occurred in July 2014. Due to the accumulation of building waste materials near the bridge, one of pier columns was broken up by accidental horizontal load. Key technology for emergency repair construction of...

The reasonable crusher shifting space should ensure that the comprehensive production cost of the open pit is the lowest. Factors affecting crusher shifting space were analyzed and economic indexes, system links composing and disposal scheme were put forward dealing with semi-continuous system management....

Laying hens are adult hens that are kept specifically for their eggs. The origin of laying hens is from the partridge which is dominated and selected so that it spawns quite a lot. The direction of selection of jungle fowl is indicated by the many producers. This study aims to determine the effect of...

Sorting is one of the important algorithms in computer programming. The ordinary 6 sorting algorithms are analyzed and compare from the algorithmic time complexity and stability. The executive efficiency of 6 sorting algorithms is verified by Java program. The costing time and stability of 6 sorting...