Advances in Engineering Research

Laboratory experiments with silicone cylinders simulating flexible vegetation, the Acoustic Doppler velocimetry (ADV) measuring the flow field were performed to investigate the turbulence characteristics of open-channel flow with flexible vegetation. The results and analysis indicate that mean bulk velocity,...

To improve the efficacy of traditional medical image retrieval, this paper presents a new medical algorithm that uses discreet cosine transformation innovatively. This paper chose 42 pictures from upper torso CT images obtained from patients with hepatocellular carcinoma in Shengjing Hospital to serve...

Micron-sized monodisperse copolymer microspheres were prepared by dispersion copolymerization of styrene (St) and methyl methacrylate (MMA) in ethanol/water medium using 2,2'-azobis (isobutyronitrile) (AIBN) and poly (vinyl pyrrolidone) (PVP) as initiator and steric stabilizer, respectively. The effect...

The Wenchuan earthquake triggered a large number of landslides and collapses in the quake-hit areas, which left a tremendous amount of loose deposits on the slopes and on the valley bottoms. The debris flow pregnant environment has changed dramatically, making the hazard level of debris flow increased...

That organosilicon hydrophobic impregnating agents such as silane are coated on the reinforced concrete surface is one of anticorrosion measures of reinforced concrete. The penetrating depth of organosilicon hydrophobic impregnating agents in concrete is an important parameter for the durability of reinforced...

Co(OH)2 is a promising electrochemical material owing to its high theoretical specific capacitance, low cost and eco-friendliness. However, the poor conductivity hinders its application. In this work, 3D porous Co(OH)2/ErGO nanoflake vertically grown on the surface of Ni foam (NF) through a facile two-step...

In view of the problem of strong guide rod vibration and poor rust removal in the derusting process of the steel pipe inner wall rust-preventing guide rod of the coating production line , the structure of the guide rod was optimized and transformed. and the non-equal-section nesting structure was used...

The purpose of the article is to evaluate the approaches to topinambur dietary fibers and inulin utilization in production of emulsified meat products that favour the regulation of gastrointestinal tract processes. The methods based on maximal water and fats absorption and retention were used to evaluate...

In this paper, we introduce the definition of fractional calculus and prove the existence and uniqueness of the solution of fractional linear ordinary differential equation by using Laplace transform method, and give the description of transfer function and state equation. Fractional linearity and the...

In this paper, we study the hydrogen separation performance of bilayer graphene by molecular dynamics simulations. When the interlayer spacing between two grapheme sheets is larger than 5 , the impurities gas molecules can pass through the membrane. When the interlayer spacing is 5 , the permeance...

With agricultural waste corn cob, corn straw and sawdust as raw material, utilizing limited oxygen pyrolysis (400,500,600,700øC) of biochar. By NaOH and microwave modification, respectively by element analysis, Boehm titration method and scanning electron microscopy (sem) characterization of the composition...

Photovoltaic Power Control (PVPC) system is an integrated system that consists of photovoltaic grid-connected system and LCL filtering system. It is susceptible to power grid disturbance and external environment changes. Based on these characteristics of this system, this paper uses the auto-disturbance...

The need for bioethanol each year increases steadily while raw materials tend to decline, this is due to bioethanol raw materials, so sought after materials that can be regenerated, bamboo is one of the alternative raw materials, Bamboo has a cellulose content ranging from 42.4%-53.6%. The chemical process...

Indonesia is endemic for hepatitis B virus infection. However, the prevalence has decreased which might be contributd to national immunisation programme starting in 1997. As a protective effort, since 2014, Faculty of Medicine Universitas Riau (FK UNRI) has implemented mandatory hepatitis B vaccination...

The system on the computer can make everything run quickly and efficiently, so that it becomes a tool in information processing. One of the computer systems is an Artificial Neural Network (ANN). Along with technological advances, events that require computational models to perform speech recognition...

With the acceleration of urbanization, the quantity of tall buildings is increasing. The problem of cleaning is becoming more serious than before, so some traditional methods are less likely to be useful. As a result, window cleaning has become an essential section of the maintenance of homes and commercial...

Light hydrocarbons of C4 are very important raw materials in chemical production. However, due to the close physical properties between C4 light hydrocarbons, it is difficult to completely separate them. The covalent organic framework (COF) used for adsorption and separation of C4 is an alternative to...

The The basic purpose of this study was to determine the impact of machining parameters on the surface roughness of AISI 420 martensitic stainless during the CNC turning and develop a mathematical model. AISI 420 martensitic stainless steel was selected for machining with precise vibration-less machinery....

The application of cloud computing technology in the network technology has changed the operation of computer training teaching pattern. Considering on the situation of computer training course,this paper put forward the operation cloud computing technology to improve the current computer training platform,and...

The speech is always the most convenient, most natural way of communication. In this paper, the application of speech technology in the translation system is studied. First,brief the developments and basic theories of speech technology. Then make a deep research for application of Speech Recognition(SR),...

Due to a multitude of potential applications in safe interaction with human co-workers, soft robotic manipulators have attracted attention from researchers in recent years. However, it is difficult to model a soft robot because of the flexibility of soft materials, which has limited its applications....

Eight Capsicum annuum were studied for genetic diversity using ISSR markers. After screen of 30 ISSR primers, 21 pairs could amplify clear bands. And 382 bands were amplified by using above 21 pair of primers, of which 270 bands (70.6%) presented polymorphism. According to Nei and Li, the genetic similarity...

Take a vehicle mounted DMF(dual mass flywheel) drive system as an example, Inherent characteristics and response characteristics of automotive transmission system is calculated by the simulation software. The results show that reduce the stiffness K8 between DMF second quality and transmission gearbox...

Ad Hoc network is a multi-hop temporary self-organized system, which consists of a set of mobile terminal with the radio devices. Each mobile terminal is both a host and router performing route setup and packet forwarding according to a routing algorithm. Location-based routing algorithm eliminates the...

In this paper lithium polymer battery was regarded as the object and one battery model based on second order RC network battery model was established and the model parameters were identified. The parameters’ identification are verified.

According to the seismic tomography, the lithosphere formation of Kazakhstan has a plume origin. Kazakhstan in the Paleozoic was a separate continent and consisted of three concentric rings of bounded geometry sutures. The rings under the active influence of mantle plume made vertical movement and their...

Graphene is a kind of two dimensional material. Great attentions have been paid on graphene based components due to its perfect and mysterious electronic characteristics. Flexible supported graphene field effective transistor (GFET) were prepared, solution gated by an Ag/AgCl reference electrode in the...

Harmonic voltage of the concern bus in the power grid is the combinations of voltage contributions of each harmonic source. When the main harmonic sources are known to the system, how to distinguish the responsibility of these harmonic sources has important significance. This paper firstly established...

Energy-loss analysis refers to analyzing influence of some parameters deviated from targeted working condition on unit thermal economy during unit operation [1–3]. Coal consumption analysis aiming at thermal power unit controllable parameter changes aims at determining influence extent of controllable...

Spinel LiNi0.5Mn1.5O4 cathode has attracted considerable attention because of its high energy density and operating potential. However, current carbonate electrolytes cannot meet the demand of this high voltage cathode. Here, we demonstrate that fluoroethylene carbonate (FEC) substantially improve the...

Current methods of geotechnical data collection require the engineers and technicians to cover large areas of surface and underground excavations to take measurements and assess field conditions and ground support response. The analysis of this information is most often done in the office and correlations...

We explored the methods of extension evaluation method in the application of innovation ability measurement for university students. This paper used both statistical analysis and comprehensive evaluation analysis carried out by statistical analysis software SPSS19.0 and MATLAB7.0, aimed to study a evaluation...

Many natural signals, such as speech signal and biomedical signal, have significant temporal structure. This work is motivated that the majority of physiological signal mixtures show some degree of periodicity and statistical nonstationarity. In fact, the nonstationarity has testified itself to be variations...

Plenty of volatile organic compounds, inert gases, oxygen, carbon dioxide and other gases which are called as gas mixtures exist and mix in the upper space of liquid cargo tank owing to sloshing of oil tanker and heating of the crude oil in the liquid cargo tank. There will be potential risks of fires...

For the implementation of Russia’s State policy in animal husbandry, it is essential to seek reserves for fodder base. One of the largest producers of ingredients for high quality fodder is oil and fat industry manufacturing pomace and oil seed cakes as well as fats for food, feed and technical purposes....

A data acquisition system has been designed to capture the vibration signal for the engines. A test has been carried out for the vibration signal acquisition of piston knock and piston pin knock of 5.9L Cummins 6BT diesel engine. The test data has been processed by continuous wavelet transform. The scale-energy...

The mitigation of earthquake disasters in Shandong province are briefly introduced composition and function of the intellectual property system, as well as the project background, the demand of construction of the system. Intellectual property system is introduced based on the basic principle of Gpon...

The paper introduces the structure, composition, monitoring point arrangement, instrument use and information management system of the automatic monitoring system of Xianlin Reservoir.

This paper proposes a vertical farming model, by producing multi-layered plants that are stacked vertically. The research approach was carried out to obtain the technology used to achieve the goal of providing land at low cost, by utilizing the Internet of Things (IoT). The process of watering plants...

Against the backdrop of deep integration between construction industrialization and green building, high-end public buildings impose higher demands on the functionality, aesthetics, and construction efficiency of prefabricated composite curtain walls. This paper addresses common industry challenges such...

Using typical silt from the west bank of Qinghai Lake as the research object, we prepared silt specimens with Initial moisture contents of 21%, 24%, 27%. We investigated the effects of the freeze-thaw cycle times and the initial water content on the unconfined compressive strength of the silt through...

Heat exchangers are widely known in industry as one of the standard components in thermal systems. Numerous studies on heat exchangers have focused on design modifications, fluid variations, and diverse applications to enhance thermal performance. This research investigates the enhancement of heat transfer...

Ensuring road safety is a significant concern in Bangladesh, presenting substantial challenges for road engineering experts. This is evident from reports indicating that many people lose their lives daily in road crashes, with at-risk road users, such as pedestrians, motorcyclists, and passengers of...

In this note, we obtain a generalized of Young’s inequality for n numbers. From the inequality, we also get generalized of Hölder’s Inequality and Minkowski’s inequality for n terms. Furthermore result, some improvements of the generalized Young’s inequality for n numbers are discussed.

The use of digital fabrication for the field of food processing has been widely used both for process efficiency, improving food quality, product innovation, and special needs. The use of 3D printers to print food is a challenge for the food industry in the future, one of which is the chocolate industry....

Coal gangue is a kind of industrial waste bring in the production of coal and the stock pile is very large in China. These coal gangue dumps not only caused environmental pollution but also caused by the waste of re-sources. This paper studied on the preparation of porous ceramics by using coal gangue...

Splitting cracks were found in the three-directional pre-stressed aqueduct of a large scale diversion project in north China. Based on internal structural characteristics of the vertical wall of aqueduct, the Impact Imaging Method (IIM) was adopted for the detections of cracks distribution, seriousness...

Accumulation of heavy metals in aqueous environment has raised increasing concerns for public health. An alginate based biodegradable adsorbent was successfully developed for fast removal of heavy metals, and could adsorb 99.4% Cu(II) in 10 min when immersed in 10 mM Cu(II). Surface characteristics exhibited...

Nutrient enrichment has a great influence on the stability of producer species. However, in the presence of predators, its influence has not yet been studied. In this research, we build a food web model which coupled a classic nutrient competition model with a bio-energetic predator-prey model, and a...

In the complex components of aircraft roller bearing forming process, it is influenced by the surface mesh inducing factors, resulting in processing accuracy is not good, the error is large. An optimal roller bearing forming machining cutting method is proposed based on the internal tooth interference...

Established dissimilar metal iron and nickel resistance spot welding nugget formation temperature field mathematical model for the discretization of the finite difference method, using TFRSW numerical analysis software, data processing module based on MATLAB language, study the dissimilar metal welding...

In order to accurately control the wind plate, an experimental platform is built, each about two axial flow fan, PWM wave, wind control plate rotating around a fixed axis, with a high precision angular displacement sensor to measure the rotation angle of 0.1 degrees, high precision. The closed loop system...

The post porcelain insulator is pulled by bus, which will produce stress in post porcelain insulator, and stress concentration is in the root of the umbrella. Therefore, there will be break accident if it is not installed properly. Firstly, the fracture theory of porcelain insulator is summarized from...

There are many problems about management of fixed assets in colleges and universities in China. This article analyzes the causes of these problems and then puts forward whole-process management of fixed assets which will help colleges and universities strengthen their scientific management of fixed assets....

In recent years, lithium-ion battery packs are more and more widely used in new energy vehicles. In order to improve the battery life of new energy vehicles and to solve the imbalance of lithium-ion battery packs during charging, according to different operating conditions of lithium ion batteries, The...

Based on the mathematical programming method, this paper constructs the retail CPFR-based replenishment model, analyzes the determination of replenishment strategy, and tests the model. Then, through the analysis of the sensitivity of relevant parameters, the impacts of demand and product satisfaction...

Some kinds of compound soil conditioners (i.e.,Fe1,Fe2,Fe3 and Fe4) were made from materials including zero-valent iron, sulfur and calcium hydroxide according to a certain weight proportion of them. And a soil-pot trial was conducted to test effects of using those soil conditioners on vegetable yield,...

Bean Dregs contain abundant dietary fibers (DF), proteins, fats, vitamins and microelements, among which DF takes more than 50% content thus bean dregs are good raw material for extracting DF. DF is named as the seventh major nutrients since it has many important physiological functions. It can promote...

This paper has established the robot model of three-arm and five-degree freedom increasing large scope of traversing welding and given decoupling method of model in "large scope of traversing", "triangle movement of two arms" and "spherical movement of one arm". This has completed the image of using...

TiN coatings were prepared by means of reactive plasma spraying (RPS) titanium powders, and characterized by SEM, XRD and other methods in the paper. In order to optimize spraying process parameters and get a satisfactory spraying effect, the microstructure, the hardness, the organizations and phases...

Appropriate classroom lighting environment in universities should be able to meet the needs of the students physical and mental, and it has the practical significance to improve the student' vision, physical and mental health and learning efficiency. The paper uses the subjective and objective research...

Amidst the continuous enhancement of China’s comprehensive transportation infrastructure and tourism’s emergence as a pivotal strategic industry in the national economy, the harmonious integration of transportation and tourism has emerged as a novel trend in the transformation and evolution of traditional...

Horticultural farmers’ work activities include preparing land for planting, caring for plants by fertilizing, pulling grass or weeds, spraying pests, and harvesting and processing or handling post-harvest fruit. This is not easy work, especially if the land being worked on is quite large and there are...

The purpose of this study is to reduce environmental problems by using wasted material i.e. with crushed glass. 15% crushed glass has substituted with 15% total weight of sand materials then added polypropylene fibers within RC specimens. Specimens treatment added in this case used freshwater and seawater...

The otter board is a vital component of single trawl system, of which the hydrodynamics can directly affect the trawl operation and catch performance. This paper studied the hydrodynamics of the rectangular otter board using numerical simulation, and the simulation accuracy was verified by flume tank...

In traditional FPN model,the matrix operations are too excessive and it does not meet the requirements of real-time in fault diagnosis system.The paper has improved the FPN model and proposed a CFPN(Controlled Fuzzy Petri Net) modeling method.This method has added controlled place in FPN and improved...

Since a vehicle is prone to instability under extreme steering working conditions, an Electronic Stability Program (ESP for short) is adopted. The dynamic characteristics of the vehicle are nonlinear under the extreme conditions. To control the nonlinearity, a sliding mode controller is established based...

Reaction of the nitronyl nitroxide radical NIT-CH3 with Gd(hfac)3 affords a one-dimensional lanthanide–nitronyl nitroxide compound: [Gd (hfac)3 (NIT-CH3)]n (1) Single crystal X-ray crystallographic analysis reveals that this compound is one-dimensional chain built up by Gd(hfac)3 units bridged by radicals...

Pumping station flow channel is an important part of water pumping station, and plays an important role in the running process. The construction of the pumping station flow channel currently mainly depends on the pre-assembled wooden model, and the construction quality cannot be effectively assessed....

The motion of the lost plane will be affected mainly by the wind stress, and the Coriolis force, of which the Coriolis force will be always on work. The motion of the plane after downed to the water can be divided into three steps. Our model analyzed the plane wreck’s motion in the horizontal direction...

In view of the problem that the artillery tube life is difficult to accurately forecast under the random using condition, through the analysis of the heat transfer process of the inner wall of the tube body, introducing internal heat strengthening hypothesis, the calculation method of the highest inner...

Due to the most of popular algorithms based on image retrieval have a large calculation. While the method of DCT domain have less calculation, and compatible with international popular standard of data compression (JPEG MPEG H261/263). So this paper proposes an image retrieval method based on DCT compression....

Based on investigation dada on petroleum hydrocarbon (PHC) in July, August and October 1984 in Jiaozhou Bay, we analyzed the content, distribution of PHC. Results showed that PHC contents in 1984 in surface waters were 0.01-0.16 mg L-1 and were meeting Grade I (0.05 mg L-1), II (0.05 mg L-1) and III...

In the control of CNC machine tools, the emergency stop control is essential, and it plays an important role in the operation of the whole CNC machine tool. By analyzing the scram control principle of FANUC 0I-MC CNC system, this thesis is designed to put forward the diagnosis method of emergency stop...

Robustness refers to the ability to ensure the software system execute correctly under normal or abnormal conditions in software testing. Robustness testing needs a large number of illegal and effective inputs, which are one of the key researches. The data variance is based on mutation testing, which...

Based on TZK6026 CNC lathe tool post that as the research object,using SolidWorks2010 software to build 3D entity modeling.And then through the proprietary software interface input the 3D modeling into ANSYS Workbench to Build finite element model of the cutter saddle.Then use the ANSYS Workbench to...

Anchoring cables are widely used in the construction of foundation pit as a temporary support structure. After the construction is completed, the anchor cables left in the ground will not only cause environmental pollution but also cause a great waste of resources. The emergence of recyclable cable technology,...

In heavy equipment sales, mainly by credit payment, leasing company or owner gives customer the trust to use heavy equipment or machines and pay off the credit by the project income they are working on. Agreement between the two parties is generally implemented as a contract involving day-to-day working...

Based on the concept of national hectares, the traditional model of equilibrium factor and yield factor have been amended, and the deep analysis has been conducted about the per capita ecological footprint and ecological bearing and its changing trends of Hunan province from 2000 to 2011; And based on...

This paper designs the deer shed video monitoring system based on embedded. By using the embedded technology and video coding technology, applying the real-time camera to collect deer shed on-site information, and then via the video coding technology, analysing and displaying the received video data,...

Through expounding the ecological environment situation of key district of Changzhutan urban agglomeration, the two-oriented society ecological security evaluation of index system was established. Ecological Security was evaluation. The general structure and measures for improving the security of ecological...

The constant delays of projects demonstrate that traditional project planning methods may adopt an inefficient way to manage uncertainty. To tackle problems in traditional project system, CCPM (Critical Chain Project Management) was introduced by Goldratt(1997) to identify both task dependence and resource...

The end of query is the composition of SQL statements, completed by using the graphical interface. Operator precedence grammar was combined with segmentation to identify query statement in graphic interface, this paper customized the semantic action and added correctness judgment "constraints( )", realized...

The vocational college graduates can not find work which is related to the professional. This phenomenon results in the unfully utilization of the human resources and education resources. This situation have a great impact on individuals, businesses and society. To solve this problem, proposes a teaching...

There are the main sources of pollution of soils Kuzbass are presented. The ranges of electrical resistivity of solutions containing oil and contaminated soil, depending on the degree of contamination are presented

In order to study the corn combine harvester hydraulic drive system, the hydraulic system was designed, which mainly consists of two valve blocks, eight branch circuits and other components, mainly for cutting device, snapping roll device, raking and conveying device, Transverse transport device, husker...

This paper concludes on the application of straw in rural buildings and analyses problems existed in the application .Based on this, some new ways for straw application in rural buildings are explored in order to decrease the pollution from directly burning of straw in countryside and increase the reuse...

The inorganic ceramic membrane technology was utilized to treat harbour oily wastewater. The operational parameters were chosen and optimized. Finally, with the200nm- membrane module, the optimum parameters were obtained: operation pressure was 0.10MPa, operational temperature was 303K, surrounding pH...

The paper designs a new kind of laser marking system which is based on embedded microprocessor with several functions like continuing from the breakpoint, starting from any set point, marking on the curved surface, displaying the trace in real time and so on. The new kind of laser marking system is composed...

The ad hoc on-demand distance vector routing protocol based on delay forwarding (AODVDF) is proposed aiming at the problem of extend networks lifetime due to the limited energy in nodes. The turbulence phenomena in on-demand route protocol is presented, the delay forwarding technology is introduced in...

Grind-hardening is not only a complex process coupling mechanical, dynamical and thermal effects, but a process containing distinct changes of microstructure and performances in the surface layer of the grinded workpiece. Based on the software Deform-2D, this paper simulated the distribution and variation...

Through analysis related signal ADMAS simulation during exercise of the feed mechanism,shell transfer arm,rammer of the automatic ramming organ system,set up an automatic ramming organ system state parameters test system,which is made up of a set of laser displacement sensor,encoder,angular velocity...

This paper describes an electronic system which can enable the laser gun to aim, shoot and report target automatically. This system consists of a laser gun shoot system based on STM32F103VE MCU and an impact point identification system based on MC9S12XS128 micro controller. Laser gun, placed on a two-degrees-of-freedom...

This article deals with the issues of enhanced oil recovery in terrigenous reservoirs characterized by structural heterogeneity in both the section and along the strike. As a working oil displacing agent, high-pressure gas is used, which is more effective than water-based solutions. The mechanism of...

The article deals with the problem of classification of non-normative errors in measuring instruments. The use of such high-tech methods for creating integral joints, like induction soldering, electron beam welding, diffusion welding, is complicated by the presence of errors in measuring instruments...

Taking information technology means and using big data thinking to improve the quality and efficiency of audit has become the development trend of China's audit practice. The paper analyzes the problems existing in the audit of economic responsibility in colleges and universities, such as weak audit...

The Corn Belt of Northeastern China (CBNC) accounts for about 35% of the nation' corn production in China. In the past three decades, corn yield in CBNC have increased under changing in climate and crop management. It is important to investigate the contribution of these changing factors to the historical...

As one of new generation equipment in China, the main task of one type infantry fighting vehicle is to complete the breakthrough in the battle accompanying the main tank. It has not only the stronger firepower but equipped with auto-loader that is able to raise the fire rate and shrink the outer shape...

An ultra-high order Earth's gravity field model,such as EIGEN-6C4 and EGM2008, the order and degree of its expansion are limited, there will be a certain truncation error. RTM residual height anomaly can by high-resolution SRTM data and DTM2006.0 data using prism integral method is calculated. The experiment...

The high speed hobbing of ball end mill is affected by equipment and environmental condition, workpiece materials and heat treatment conditions and other factors, led to workpiece parameters analysis calculation error is large of parameters such as feeding speed, spindle speed etc, it is need for modification...