Advances in Engineering Research

Tortoise shell is the dry breastplate and carapace of the testudinidae animal turtle [Chinemys reevesii (Gray)]. Traditional identification methods can't meet the requirements of quality control of Tortoise shell market. We developed a detection kit for Tortoise shell DNA and to investigate the kit's...

According to the continuous increasing intelligent demands of power supply equipments in digital mine and the current upgrading needs of the feeder switch integrated protector, this paper describes a new type of intelligent mineral low voltage comprehensive protector with graphical interaction. The protector...

Comparative analysis of sedimentation conditions for the Hauterivian (IX ledge) and the Aptian (VIII ledge) sediments was realized according to the data of grain-size distribution using cluster analysis. (These sediments belong to the most significant Zimne-Stavkinsko-Pravoberezhny and Velichayevsko-Kolodezny...

The paper introduces the status and harm of ship air pollution in Yangtze River Delta, and expounds the regulations and policies of ship emission control in this area. In this paper, the problems of air pollution prevention and control for ships in Yangtze River Delta are analyzed, and the preventive...

The use of bamboo to replace the steel reinforcement starts from the fact that bamboo has high tensile strength as high as steel. As a renewable material bamboo has much benefit for green construction material. Bridge frame structure is one of structure that can use the bamboo reinforced concrete. The...

Transformer oil as an important mineral oil is widely used in power equipments and its fundamental properties can be obviously presented by the vapor pressure which is difficult to be accurately evaluated due to its complex compounds. According to the testing mechanism of thermal balance, a simple method...

In order to solve the problems on the holes caused by various factors in the 3D model, which have brought difficulties to the subsequent operation of the 3D model, a 3D hole repair method based on curvature feature is proposed. The basic concept of this algorithm is using Advancing Front Method to quickly...

Microalgae have great potential as the feedstock of renewable energy. Nevertheless, the high cost of microalgae cultivation hinders its development economically, so inexpensive cultural mediums are supposed to be found for the large-scale application of microalgae. Wastewater contains large amount of...

LEDs are semiconductor devices that emit light when biased in the forward direction of the p-n junction. LEDs present many advantages over traditional light sources, including lower energy consumption, longer lifetime, improved robustness and smaller size. A significant attribute of LEDs is their ability...

With the progress of science and technology, Internet technology has been widely used in various fields, bringing great changes from people's work and life. At the same time, as an important part of graphic design, visual image system design is applied in various fields such as architecture, medical...

Durian (Durio zibethinus Linn.) has been shown to have toxicity effect on acute toxicity in vivo. Objective: This study aimed to determine the acute toxicity of the Durian Mesocarpium Ethanol Extracts (EEMD), various doses of Durian Mesocarpium Ethanol Extracts (EEMD) by examining in vivo to the healthy...

Manual work in small medium enterprises involves a lot of repetitive activities that have potential to result in high musculoskeletal disorder. This study was conducted at PT ASM, a small industry that produces electrical spare parts with a make to order system using manual tapping machine operated by...

The process of sediment initiation is sometimes caused by high-intensity turbulence. Grid turbulence can effectively simulate the sediment movement under such special flow conditions. In this paper, the governing equations of the turbulence model are determined based on the large eddy simulation model...

The nickel mining industry can potentially produce SO2 emissions from nickel smelters. One activity that produces SO2 is mining industry activities that use coal or diesel as fuel. One province with large nickel resources is Central Sulawesi, which is precisely in Morowali Regency, Bahodopi District....

In the diagnostic center, effective management is crucial to providing quality medical care. Despite their critical role in healthcare, they must optimize resources and reduce patient waiting times to ensure patient satisfaction. Using a discrete-event simulation model, the study attempts to replicate...

With the development of the plastic connection technology and laser welding technology, as well as the improvement of the processing requirements of automotive plastic parts, laser transmission welding method is the first choice for the welding method of automobile plastic welding, which has the advantages...

The falling of wear layer on the surface of roller is a main form of roller failure. Based on the typical structure of normal roller and bionic coupling theory of structure and material, a coupling roller with strips on the surface of damping layer is designed. To study the mechanical property of the...

APU is an important part of the large and medium-sized passenger jets, which is used to provide auxiliary power for the aircraft, including the auxiliary gas source and the auxiliary power source. The auxiliary gas source supplied by APU can be used to engine starting or the environmental control system...

Most research on virtual machine (VM) migration focus on the issue of single VM migration by using the post-copy or pre-copy migration strategy. In this paper we focus on multiple VM migration, which becomes important when we have several cooperating VMs providing services, and propose an improved serial...

The trend of development index of oilfield which mainly is decided by two aspects: On the one hand, it depends on geologic condition. On the other hand, it depends on well pattern arrangement. In recent years, with well spacing density gradually adjusted and improved for Beierxi of Daqing oilfield, thus...

There are a number of folders at today's workplace. Although some people will spend time to arrange them neatly, when the quantity is abundant, it is not easy to identify them from a lot of files. The workers are being affected by these complicated problems. Even small problems sometimes are annoying....

Condition monitoring of substation equipment plays an important role for the safe and stable operation of power grid, aiming at the insufficient of existing condition monitoring system, a practical substation equipment condition monitoring integrated system is designed which adopts J2EE technology, SOA...

The concept of moving target detection is monitoring and detecting the moving target in the target area, achieving the goal of monitoring the target area all-day and all-weather. During the process of monitoring, the multi-frame SAR images which get from the same scenario need to be registered. The Range...

In this paper, the influence factors of separation of waste lubricating oil by molecular distillation were studied,and the optimal conditions were determined. The preheating temperature, system pressure, distillation temperature and feeding rate had main influence on yield and viscosity index of lube...

Pedestrian detection and retrieval plays an important role in intelligent video surveillance and automobile auxiliary driving system. Video surveillance creates mass monitored data among which a little effective information exists and could be hardly found. To settle the problem, based on pedestrian...

With the rapid development of science and technology, manipulators are becoming more and more widely used in various industries. When using the manipulator to achieve various trajectories, it is necessary to calculate the coordinates of the key track points, especially the circular trajectory. For many...

An coal mine belongs to the coal mining under medium aquifer, under which there is no stable clay aquifuge.To demonstrate the safety and reliability of coal and rock pillars, study and analysis of the failure and movement feature of overlying strata are conducted in the condition of the mine’s geology...

The microstructure and texture analysis of Ti-6Al-4V are investigated through SEM (Scanning Electron Microscope). Based on original references, the results show that, the to phase transformation at the welding center enhances yield strength and ultimate strength through orientations distribution. In...

The prokaryotic expression system was employed in order to compare the catalytic properties of L183Q mutation and wild DAHP synthase enzyme. The gene of L183Q mutation and wild DAHP synthase enzyme was cloned and expressed by pET vector system and Eco.li BL21. The specific activity of the two recombinant...

In this paper, we studied the disk radius R graphene quantum dots of electronic spectroscopy by solving the Dirac equation of electron. We obtained two shapes of armrest and saw boundary of graphene quantum disk electronic energy level in the situation of whether with applied magnetic field or not, along...

As the central of railway hub, railway marshalling yard is the base for vehicle distribution and disintegration. Time-consuming of operation and residence for vehicle is common to spend 70% of the goods turnover cycle, thus the railway line here is extremely complex. Meanwhile, there are few articles...

Variable cross-sectional Concrete Filled Steel Tubular (CFST) laced column with flat lacing tube is a kind of emerging combination column; it has broad application prospects in high pier bridges and high-rise buildings. The finite element analysis method of CFST laced columns is built with universal...

In this paper, a novel overlapping approach between the copper foil windings and copper bar is presented. The electromagnetic field is computed and analyzed using three-dimensional (3-D) finite element method based on an actual SCB transformer with amorphous foil winding. The current density cloud of...

Based on the theory and method of structural geology, through the systemic analysis on seismic data, the author researched on characteristics of structure geometry and kinematics, and its dynamics mechanism: There are a series of half-grabens in the Lower-Middle Cambrian Series of the Central Uplift...

Photodegradation of Polycyclic Aromatic Hydrocarbons (PAHs) is a main environmental behavior and plays an important role in the fate of PAHs in environment. In order to understand the photodegradation law of Polycyclic Aromatic Hydrocarbons?PAHs?in soil, aeolian sand in blow-sand region of Northern Shaanxi...

The possibility of increasing the stability of the grinding process of corrosion-resistant steels using titanium alloy mandrels with a low modulus of elasticity is considered. The titanium alloy acts as an artificial damper to facilitate the absorbing of vibrations arising during processing.

A building or a construction is erected on the soil foundation. Its stability, reliability and operation are determined not only by design solutions, but also by soil properties. The main reason for load-bearing structures’ deformation is the uneven or excess foundations slumping. So, the primary problem...

Structural Parameters of frame of electric sightseeing vehicle are designed, three-dimensional model of frame is established using CATIA Software, static analysis of established frame model is conducted under full-load condition using Ansys, the result shows that designed intensity satisfies intensity...

An optic determination method based on the oxidation of 2-chlorophenol (2-CP) catalyzed by Iron (III) Tetrasulfophthalocyanine (Fe (III) PcTs) was developed for the determination of 2-CP. The optical oxygen sensing film containing fluorescence indicator Ru (bpy)3Cl2 was used to detect the consumption...

This page proposed a hearing and hypnosis all-in-one machine which used CD4069 as the core, it can be achieved Hearing and hypnosis. This design is mainly use the six COS/MOS inverter circuits of CD4069 chip, converted the voice of the outside world which collected by MIC to electrical signals and amplifier,...

In this paper, we analyzed the muffler acoustic performance by the finite element method and Virtual.lab. We changed the simple expansion chamber muffler size and expansion ratio related, expansion cavity length, and the number of expansion chambers effectively to improve the muffler. Through muffler...

This paper adopts physical experiment method to design uniform experiment on the basis of ultrafine unsized tailing in allusion to the problem of ultrafine unsized tailing back-filling. In this paper, the relationship between the strength of filling material and the ingredients-concentration-ratio of...

Swarm earthquake in the Jailolo region based on data from the Geophysical Station BMKG Ternate in November 2015, there were 701 event earthquakes. Measurement of the value of physical vulnerability based on amplification factors produces a map of the physical vulnerability of an area by welding, which...

This research is a follow-up research to improve performance of Smart Control Electrical Energy (SiSCE) at idle time. In previous research, device serves to control consumption of electrical energy outside from operational hours of the institution. In this study, device performance is improved to be...

Over the past few decades, the need for wireless connectivity has increased dramatically. A new Wireless Technology known as 6th generation system developed with full AI support is expected to use between 2027 and 2030. Higher system capacity, much higher data rate, much lower latency, higher security,...

An oil spill is a highly dangerous disaster for both local fishermen and, especially, the marine ecosystem. Such spills can take thousands of years for the marine environment to recover. Tankers transporting oil are particularly vulnerable to pollution incidents, which may result from collisions, tank...

Various studies suggest a correlation how much of the product has been sold and product price to make decisions about sales strategy. Tokopedia, an e-commerce corporation, maintains a sales database encompassing consumer behavior data. This data can be a valuable resource for vendors who wish to develop...

Simulation based formative assessment is one method for measuring comprehensive problem solving. The purpose of this study is to analyze the impact of simulation based formative assessment on student problem solving skills. Fifty high school students participated in this quantitative study with explanatory...

Serially concatenated continuous phase modulation (SCCPM) combines serially concatenated convolutional coding (SCCC) with continuous phase modulation (CPM). Continuous phase encoder which is decomposed from CPM is used as a convolutional coder, and iterative decoding based on log-MAP (maximum a posteriori...

With the release of super low-power consumption Bluetooth 4.0, the development of wearable intelligence devices is so fast in the world. In the field of wireless sensor net, to apply low-power consumption Bluetooth could decrease the cost of system and reduce the devices' volume, especially lower the...

The modern commercial display design is a design form which integrates display space, exhibition environment, and visual elements. The purpose is to design space environment and visual image to meet the requirements of goods display which can create environment of information exchange and transmission...

Aiming at the frame strength of the load isolated pure electric vehicle (LIPEV) which is modified by a micro truck, the three-dimensional model of the frame was established based on UG. The finite element analysis model of the frame was established based on ANSYS. The load before modified and the load...

Based on the shift actuator table of AT and the Principle of the hydraulic system ,it is easy to get the logical-shift formula with the help of the logical analysis,which could help to design AT hydraulic system .Besides,it conducts a feasibility analysis of their shift solenoid valve control state .

This paper has picked cloud storage services provided by 5 cloud providers that the users are familiar with, investigated, added up and analyzed their 12 service indicators and eventually come up with the total scores and ranking of the service quality for cloud storage. It has creatively come up with...

On the background of Lanzhou-Chongqing railway Guangyuan Jialing river (82+172+82) m long-span continuous beam-arch combination bridge, the beam-arch joint stress distribution rules of a railway continuous beam-arch bridge has been studied, which the main span is over 150m, the construction and services...

In face of the fundamental problem about how to change from traditional state-owned enterprises to modern enterprises, the State Grid Corporation continues to deepen understanding in innovative practice, constantly breaks the shackles of the traditional management thinking of the power grid enterprises,...

Optimization of hyperlens structure and composition of materials is a key problem for its application in biological imaging and nanometer lithography. This paper systematically optimizes and analyzes overall structure of the curved multilayer hyperlens. The influences of structure parameters, such as...

The conventional Sigma-Delta modulators have several drawbacks: e.g. the major problem with dual quantization architecture is that it can only be applied in a single loop topology, which causes the dynamic range (DR) problem; The inter-stage feedback topology only cancels nonlinear errors by introducing...

The wood biomass with certain moisture content prepared by spraying artificially was pulverized by universal mill, cutting mill and the cage mill with the drying and transporting gas. The morphological characteristics of powder of the wood biomass with different moisture content were investigated by...

For the study on water hammer protection problems of long distance, high lift and a pressurization hoisting for long distance water supply system, the paper analyzes a long distance water transmission system whose high lift is up to 2100 meters by a pressurization hoisting in southwest china. The water...

Bangka Island is a potentially large area of both secondary and primary tin producers, indicated by exploration and exploitation that took place since Dutch colonialism. The need for primary tin exploration in Tanjung Gunung Village, Central Bangka Regency to optimize the acquisition of primary tin resources...

ZnAgInSe quantum dots with 5 and 6.7 nm particle sizes were obtained by accommodating the reaction time. The red shift in the photoluminescence spectra of ZnAgInSe quantum dots with size from 5 to 6.7 nm was caused by the quantum confinement effect. The temperature dependence of chromaticity coordinate...

A particle filter object tracking algorithm based on dynamic feature fusion is proposed in this paper. The presented algorithm uses the complementary features, which are gray histogram and gradient histogram, to represent the object model. In the tracking procession, the confidence for each feature is...

FLUENT was used to analyze how the bending cycles of nanopaper affects the temperature distribution of composites reinforced by pulse bending nanopaper with different bending cycles during heating process. The temperature distribution of the polymer composites reinforced by pulse bending nanopaper along...

In the process of using drilling muds in the oil and gas reservoirs, bentonite clay accumulates, which precludes their development, if not swelling it with carbon dioxide. The objection of this paper is to present the results of the sedimentation study and the degree of bentonite swelling depending on...

The power supply situation of the coal mine is complex, there exists problems such as short route, unable to guarantee the overcurrent set value, it is easy to cause a short circuit, electric leakage, and then electric power system leapfrog to the ground, causing blackouts underground area, production...

In order to satisfy the requirement of image registration in multi-band SAR system, a controlling unit with real time phase difference detection was implemented using in this paper. The phase difference detection was based on the DFT method combined with undersampling technique. This paper also provides...

A multi-body model based on dolly rollover test for the minivan is introduced in detail and validated by comparing time relative error of the key motions in the absence of dummy. It is shown that the simulation model is accurate enough for later research. The influence law between rollover characteristics...

Based on GIS, Baidu map API and Android SQLite database terminal software design of terminal management system which to Achieve user login, monitor the status of street lamps and fault repair and other functions, and ultimately the entire street lamp management system to achieve intelligent management...

Conventional or electronic sticks are one of the tools that are often used by people with blind persons for independent activities. Both tools have limitations that cannot provide a sense of comfort in the form of information on the distance position between blind persons. In this research, electronic...

The quality and efficiency of the 3-dimensional contour map of the Mahat watershed are very useful in helping to analyze the distribution of the ideal soil composition (Vw, Vg, Vs). Furthermore, the distribution of soil characteristics is compared with the topography to help integrate and sustainable...

Roads need to possess the proper combination of thickness and design to safeguard the subgrade from damage and to support the load pressure on the road. This study investigates the impact of incorporating fly ash and plastic granules on the performance of asphalt mixtures (AC-WC) for sustainable road...

This study aims to understand the regulatory mechanism of Conyza canadensis water extract (CCE) on the photosynthetic characteristics of Pakchoi through two application methods: root irrigation and exogenous foliar spraying, in order to analyze the impact of allelopathic substances on the photosynthetic...

Seismic activity and stress concentration in soil cavities are prone to induce landslides, resulting in surges and overflows that reduce the stability of dam structures, thereby posing a threat to the safety of downstream areas. To analyze the stability of slopes under different water storage conditions...

The author of this paper in the process of detonation possible problems: not accident when explosive accident, when not explosion point or not, the airbag static expansion needed power supply parameters, can be designed for air bag deployment time, adjustable current size parameters of embedded power...

High-rise buildings have very slender, atypical, and lightweight shapes such that the higher they become, the more flexible they are, and it is very important to review closely the structure behavior, stability, and usability when designing ultrahigh-rise buildings with a great influence from dynamic...

Food packaging plays a crucial role on food safety. A gas chromatography and mass spectrometry technology was used to determine and analyze eight solvent residues in three kinds of moon cake plastic packages. In the experiment, linear calibration curves of the eight compounds were obtained with correlation...

According to the statistics, the energy consumption of the university is more than the social average consumption. Coupled with the construction of energy-saving requirements, the external walls and roof are not adopted, the structure of the performance is poor.At the same time, relevant standards is...

Aiming at the key problem of GLCC multiphase flowmeter control system design, this thesis proposes a kind of gas-liquid separation task handed to the VxWorks, and adoptes liquid level fuzzy control by using of the theory of fuzzy mathematics to ensure the full separation of the gas-liquid. The technology...

Algorithms based on Khatri-Rao (K-R) product improve the degree of freedom (DOF) of virtual arrays and thus more source angles can be estimated. However, the estimation accuracy is not satisfying. In this paper, a method considering spatial sparsity (SS) of sources in K-R subspace is proposed to estimate...

The flow stress curves of Cu-1.0%Zr-0.15%Ce alloy during high temperature deformation were analyzed by using a Gleeble-1500D thermal simulation machine at the hot deformation temperature of 550 C, 650 C, 750 C, 850 C and 900 C, the strain rate of 0.001 s-1 0.01 s-1 0.1 s-1 1 s-1 10 s-1 , respectively....

In the study investigate the ameliorative effect of the extract of Polygonum Cuspidatum (PC) in combination with aerobic exercise in hyperlipidemia rat. The rats were raised by high fat diet for four weeks; meanwhile these rats were treated with PC and aerobic exercise for four weeks. The rats were executed...

We present a combined early arrival P-wave and Rayleigh wave inversion strategy that uses the cross-gradient between the P-velocity and S-velocity as a regularization term. First, the P-velocity model is inverted by the early arrival full wave inversion (FWI) method. Then the magnitude spectra of the...

Defense is one of the most important aspects of the game who will win. This is be gradually accepted by many people. Today we have number of various defense training methods, but using the auxiliary equipment and simulation technologies, and calculating on the basis of individual differences in athletes...

PM 2.5, as an important index about air pollution, whose form and composition is very complicated, has a negative influence on humankind. The paper, according to the meteorological data from Wu Han environmental air automatic monitoring station, conducts an quantitative analysis of independence and the...

The effects of agricultural wastes on degradation of polycyclic aromatic hydrocarbons(PAHs) and abundance of ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) in PAH-polluted soils were determined by liquid chromatography and real-time quantitative PCR. The results showed that addition...

Dynamic explicit finite element analysis is practical and significant to study vehicle spiral rolling. By means of HyperMesh and LsDyna, numerical simulation is achieved with deformation, posture and acceleration obtained. During spiral rolling process, vehicle roof comes much close to occupant head...

Boronizing is one of the most effective methods of thermochemical treatment of iron-carbon alloys. Boride layers formed with the diffusion can considerably increase abrasion resistance (up to 5-30 times), heat resistance (up to 1.5-2 times) of steels. The aim of this paper is to study structure and wear...

With the coming of knowledge economy era, the knowledge that people learn in the college has been far from enough to meet the needs of the workplace, so the people need to learn the knowledge for lifetime. It becomes the key point of English education reform that how to improve the autonomous learning...

Growth behavior of intermetallic compounds (IMCs) layer between Sn-3.0Ag-0.5Cu solder and Cu substrate were studied during aging at 150 ?"? for 1 day, 3 days, 6 days, 8 days and 10 days, respectively. Results shows that the IMCs layer is scallop shape at aging stage, and the aspect ratio of scallop shape...

It is an urgent task for the coal industry in China and even the world to realize the position of the injured and the excavation equipment under the mine. Due to its advantages of high efficiency, low cost, and suitable accuracy, binocular stereo vision measurement methods have become a popular trend...

Procedures of control actions selection are considered for the purpose of state parameters adjustment to the feasible region. The calculation procedure is divided into two stages – steady state calculation (equality constraints) and state adjustment to the feasible region (inequality constraints).

Kuznetsk coal basin is one of the largest and most promising basins of the Russian Federation. Deposits of Kuzbass coal are complex ore-coal deposits, containing industrial concentrations of goal, platinum, rare metals in coals, waste coal and bottom ash waste, the extraction of which creates products...

In order to reduce the impact of measurement error on wireless sensor network localization, shuffled frog leaping algorithm is applied to location calculation of rang-based localization. This paper proposes a shuffled frog leaping localization algorithm. This algorithm designs fitness function weighted...

Sewage sludge contains large amounts of energy and gasification of sewage sludge may be one of the promising sustainable approaches for hydrogen-rich syngas production from sewage sludge. However, raw sludge is unsuitable for direct gasification and thus pretreatment is necessary to improve its fuel...

In recent years, there are many reports about the flood disaster. These reports reflect the lag of the early warning system of hydrological safety in our country, and it is an urgent need to establish the flood disaster safety early warning system of hydrological in these areas . In order to quickly...

As number and frequency of flight is increasing, the safety of air traffic becomes important issue of concern. Currently what is used to ensure the safety of air traffic contains air traffic control (ATC), airborne collision avoidance system (TCAS) and automatic dependent surveillance technology (ADS-B),...

Due to the disadvantages of traditional mercury thermometers, such as longer measurement time and necessity of contact with the human body, a thermometer that uses infrared sensors to detect temperature without contact is designed. The Infrared temperature sensor MLX90614 is designed to collect human...

Geospatial Artificial Intelligence (Geo-AI) is an interesting topic in its development and application in our lives. One of them is spatial planning which contributes to the economic and social development of a region or country. Spatial data is the main thing in this research, by maximizing the effectiveness...

Highway construction progress management in Southeast Asia is backward and inexperienced, in order to address this problem, this paper analyzes the highway construction progress management in Southeast Asian environment and proposes a dynamic optimization scheme. The article takes Thailand Rama San to...