According to the characteristics of the inevitable fuzziness and andomness in the slope stability evaluation,we proposed the model of rock slope stability evaluation based on cloud model, combined the combination weighting game theory considering subjective and objective weight,evaluate the slope instances.The...

Intelligent environmental Protection is a complicated systematic project, involving all aspects of environmental management, which is based on the overall situation and also given attention to the details. Hence, it is necessary to make overall planning on the top-level design of smart environmental...

A pot experiment was conducted to study the effects of exogenous melatonin (MT) on photosynthetic characteristics of eggplant under cadmium (Cd) stress. Five treatments were used in the experiment: leaves were sprayed with 0 (CK), 25, 50, 100 and 150 mol•L-1 concentrations of melatonin solution. The...

From point view of operation and management, a time-space network optimization model of inter-city train operation for energy saving on a high speed rail line is proposed on the basis of train time table predetermined using rail stock circulation mileages. The model’s objectives are to minimize circulation...

In this paper, a study is done on the rubber-tired container gantry hybrid power crane in order to save energy. Because of the series structure is used in crane hybrid system and working statues of the crane change frequently, a “thermostat + power following “control strategy is used in the hybrid power...

Active crude oil water plugging is a kind of water plugging technology without damage to the reservoir selectivity, and can achieve a good water plugging and enhancing oil production of purpose. Aiming at some problems existing in water blocking activity of crude oil research, research and solve some...

Improving air quality is important to improve the quality of the environment. Taking Shanghai city as an example, this paper analyzes the main factors affecting the air quality by using the grey correlation theory. The results show that, in accordance with the influence factors for air quality from big...

Eulerian-Eulerian two-phase flow model was used to calculat the rheological properties of foam fracturing fluid. In the model, the foam fluid is treated as pseudoplastic fluid. And the calculation results of the model show that the non-Newtonian behavior of foam fracturing fluid is determined by the...

The effects of rape rootstock on phosphorus (P) and potassium (K) uptake and soil enzyme activity of post-grafting generation of Capsella bursa-pastoris under cadmium (Cd) stress was investigated through two pot experiments. Three treatments were used in the experiment: ungrafted (UG), post generation...

The effects of tolerant plants (Ranunculus sieboldii, Mazus japonicus, Clinopodium confine and Plantago asiatica) straws on nutrient uptake in Cd-accumulator Capsella bursa-pastoris were investigated through pot experiment under Cd-contaminated soil condition. Five treatments were used in the experiment:...

The effects of applying four hyperaccumulator species (Solanum photeinocarpum, Bidens pilosa, Siegesbeckia orientalis and Youngia erythrocarpa) straws in cadmium (Cd) contaminated soil on phosphorus (P) and potassium (K) uptake and soil enzyme activity of Capsella bursa-pastoris were studied through...

Taking the mining influence on the gas desorption characteristics of coal body into consider, a new gas adsorption and desorption system of coal sample under compression was manufactured. Using this test system, the gas desorption characters of coal samples were experimented under different gas pressure...

In this paper, the combustion features of dimethyl ether (DME) and liquefied natural gas (LNG) have been investigated by theoretical analysis. For the fuel consumption, the heat loss of the waste gas and the NO emission, we find that these indexes of LNG are higher than that of DME. However, the thermal...

a vacancy line defects on the [ ] and [ ] direction; the GaN single-layer terraces defects of GaN(0001) surfaces are studied by first-principle calculations based on density functional theory. The surface energy, charge density, and Mulliken charge population of defect surfaces are calculated, and the...

The internal transcribed spacer ( ITS) region in rRNA gene of Auricularia polytricha was cloned and sequenced, and the sequences were compared with those of some common species of Auricularia. The results showed that 6 strains among tested strains, except Teda with different origins, had the same length...

A pot experiment was conducted to study the effects of exogenous melatonin (MT) on photosynthetic characteristics of eggplant under cadmium (Cd) stress. Five treatments were used in the experiment: leaves were sprayed with 0 (CK), 25, 50, 100 and 150 mol•L-1 concentrations of melatonin solution. The...

Based on the connotation and function Prognostics and Health Management (PHM) technology, the feasibility of PHM applied in status management of environmental testing equipment was analyzed. The status management system of environmental testing equipment based on PHM was proposed, in which the functions...

Global buckling for exposed HPHT (High Pressure / High Temperature) subsea pipelines is an important feature that needs to be considered during detailed design. The design of exposed pipelines will aim for; either to document that the pipeline will not buckle laterally, or, that the pipeline will buckle...

A novel magnetic nanocomposites (MNCs) adsorbent was synthesized for the removal of methylene blue (MB) dyes from wastewater. The inner core Mn0.6Zn0.4Fe2O4 magnetic nanoparticles (MNPs) were coated with an outer shell of silica based on a facile method using tetraethylorthosilicate (TEOS) as a precursor...

Fault in Tahe Oilfield southeast slope has a positive meaning for more oil and gas reservoir, it can be divided into eight groups. Three of them have significant control action for the gas-water including north-south, NNE and NEE. They have closely related with fracture and karst reservoir seam holes,...

Polymer flooding, as a promising method, can deliver conventional oil-displacing agents effectively to contaminants distributed within heterogeneous soil. In this study, combinations of polymer (xanthan) and common remediation agents (potassium permanganate and/or sodium persulfate) were used for polymer-enhanced...

Analysis and Diagnosis work are important jobs to find out the energy over consumed steps in the power generating process, and how to avoid these energy over consumptions. A suit of analysis and diagnosis methodology including staged indexes and methods are presented and a diagnosis application example...

Bluish-green BaSi2O2N2:Eu2+ phosphors were synthesized by a method using Ba2SiO4 as a precursor. The luminescence properties and formation process of BaSi2O2N2:Eu2+ phosphors formed by the method at varied Eu2+ concentrations and varied temperatures were investigated by X-ray diffraction (XRD), fluorescence...

To investigate the pollution situation of Pb in Zhengzhou city and obtain high bioaccumu- lation green plants, the Pb contents of plants leaves from the green belts on major traffic roads in Zhenzhou city, were analyzed by using graphite furnace atomic absorption spectrometry . The results showed that...

The effects of applying four accumulator species (Conyza canadensis, Cardamine hirsute, Eclipta prostrate and Nasturtium officinale) straws in cadmium (Cd) contaminated soil on phosphorus (P), potassium (K) and nitrogen (N) uptakes of Galinsoga parviflora were studied through the pot experiment. Five...

The effects of intercropping with accumulator species (Capsella bursa-pastoris, Cardamine hirsute and Galium aparine) on phosphorus (P) and potassium (K) uptakes of Galinsoga parviflora under cadmium (Cd) contaminated soil were studied through the pot experiment. Seven treatments were used in the experiment:...

A novel sulfur ion exchange fiber - thiosemicarbazide chelating ion exchange fiber (TSCIEF) was prepared by nucleophilic substitution reaction of chloramethylated polypropylene graft styrene (CPP-g-St) fiber and thiosemicarbazide, using anhydrous ethanol as swelling agent. The structure of TSCIEF was...

NSE plays a vital role in PC12 cell differentiation, expecialy the length of the synapse and the formation of microtubules. Here, NGF(Nerve Growth Factor) and OGD(oxygen-glucose deprivation) were used to stimulate PC12 cells, and convert them into neurons to establish an ischemia in vitro model. In order...

The effects of applying four accumulator species (Conyza canadensis, Eclipta prostrate, Nasturtium officinale and Cardamine hirsute) straws in cadmium (Cd) contaminated soil on phosphorus (P) and potassium (K) uptake and soil enzyme activity of Capsella bursa-pastoris were studied through a pot experiment....

Eggplant cultivar ‘Changhong’ was subjected to low temperature treatment of 15/10 (day/night) in the artificial climate chamber. The effects of exogenous melatonin (MT) on the photosynthetic of leaves under low temperature and weak light stress was investigated. The results showed that with the increasing...

At present, river and lake water quality monitoring method is single and the monitoring range is limited, then the paper designs a river and lake water quality monitoring ship based on the autonomous navigation technique, including forward and reverse power module, battery power module, autonomous navigation...

Taking an office building in Changsha city, Hunan Province as the research object, its all-year hourly dynamic load is simulated by EnergyPlus software. On this basis, a simulation model of U-tube ground heat exchangers is built with the GSHP design software of GLD2012. The heat balance problem of the...

The adsorption of CO2 on Bi-end and MoO-end Bi2MoO6 (010) surfaces has been investigated by density functional theory (DFT) calculations. The results indicate that CO2 exhibits physical absorption on both of the two surfaces, and Bi-end surface is more slightly active than MoO-end surface. Our results...

MAP2 plays a vital role in PC12 cell differentiation, expecialy the length of the synapse and the formation of microtubules. Here, NGF (Nerve Growth Factor) and OGD (oxygen-glucose deprivation) was used to stimulate PC12 cells, and convert them into neurons to establish an ischemia in vitro model. In...

The thesis calculates the noise of the strain gauge driving circuit in order to obtain high resolution. With the analysis the thesis points out the methods to reduce the noise. The thesis also draws the conclusion that an amplifier with lower noise spectral density but wide bandwidth perhaps is not suitable...

CFD modeling method was applied on simulation analysis for ice can structure impacting on flow field of ice tank in this article. The cross section of existing ice cans was rectangular structure. Velocity between frontal side and lee side of ice cans was close to zero, fluid resistance was large. Contrast...

A numerical simulation model based on the particle size composition of High Viscous Dredger Fill (HVDF) was established. Consolidation process of HVDF was in the action of Direct Drainage Vacuum Preloading (DDVP) and was in the Graded Vacuum Preloading (GVP), which was described the drainage consolidation...

EPC process, based on the casting structure, technical requirements, production volume, production conditions determines the casting solution, process planning. In this paper, the author from three aspects , the analysis of die casting process design principles, design principles and infiltration technology,...

The article is based on precision CNC lathe spindle system of the 170CP06 as the research object.The steady and transient temperature field model of the mechanical spindle is established by using the finite element analysis method.As the heat rate for the load and the convective heat transfer coefficient...

In order to improve the accuracy and efficiency of no-reference blur image quality assessment based on General Regression Neural Network. We choose Simulated Annealing algorithm to optimize the method. Using LIVE (Laboratory for Image & Video Engineering) database as the initial study database. 174 images...

In this paper, a method of image quality assessment based on visual regions of interest and Structural Similarity(SSIM) is proposed through combining human visual interest regions and structural similarity. In this algorithm, we firstly use the SSIM to separately assess those interest regions, and get...

Mantis shrimp eyes possess apposition compound eyes, complex visual systems, and unique ability of polarization identification. Within row 5 and row 6 in the mid-band of mantis shrimp eyes, the arrangement of microvilli in retina cells (R1-8) provides possibility of polarization identification. This...

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

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

Put three knuckles nimble finger as the research object, the paper described its configurations by the application of topology and degree of freedom, expressed mechanism topology characteristics by association matrix based on the metamorphic mechanism theory, analyzed configuration transformation process...

To investigate the surgical techniques and the clinical outcomes in the treating of the avulsion fracture of the fibula head by using suture anchors. From November 2008 to April 2013, 27 patients with the avulsion fracture of the fibular head were treated by open reduction and internal fixation with...

The paper expounds the necessity of scientific and objective evaluating and comparing the safety level of special equipment. Through the introduction of analytic hierarchy theory, the paper establishes a comparative analysis model of the safety level of the special equipment, and establishes the price...

The intergranular corrosion behavior of 430 ferritic stainless, with 0.025% up to 0.065% nitrogen contents, was studied by DL-EPR testing, SEM and EDS to elucidate the influence of nitrogen. The results indicated that, with the increase of the nitrogen content in the steel, the susceptibility to intergranular...

The realization of the special physical properties of metamaterials depends on the artificially designed constitutive relations, and their mechanical properties become the key research point. In order to enhance the analysis efficiency of mechanical properties of three-dimensional (3D) pentamode metamaterials,...

Taken Pseudosciaena Crocea fillets as experimental material, effects of three drying methods on the quality of fish fillet were compared, including hot air drying, controlled freezing-point vacuum drying and vacuum freeze drying. The result showed: when the final moisture content was set to 20%, hot...

In this paper, a pulse width modulation (PWM) control approach to speed trackong control is developed for the three-phase induction motor in electric vehicles. The PWM technique is amployed to design controllers. By incorporating the three-phase bridge recifier into the motor based on the PWM technique...

This paper studies the trajectory planning and the optimization of the end spray gun of the mechanical arm, aiming at the running distance of the spray gun. The proposed way makes the whole process of gun required to run the shortest distance of the spraying trajectory. It builds mathematical model towards...

Luminescent gold nanoparticles(NPs) modified by Polyvinylpyrrolidone (PVP) with high stability and well dispersed property were successfully via synthesized hydrothermal method. UV-visible spectrophotometer, fluorescence spectrophotometer, fourier transform infrared spectrophotometer (FT-IR) and transmission...

For investigating the effects of gradient energy coefficients on the void-matrix interface thickness during Czochralski silicon single crystal, an established phase field model and the corresponding program code were used to simulate the evolution process of a single void. Based on the given criterion...

Differential evolution (DE) is an algorithm highly effective in solving problems with continuous variables while not applicable to problems with discrete variables. To overcome this disadvantage an elite-guiding binary differential evolution (EGBDE) is proposed. Inspired by the mutation with GA which...

This paper proposes a microstrip wide-ring sensor for moisture content (MC) determination based on transmission power measurement. The microstrip wide-ring sensor with low insertion loss was designed to operate at frequency range from 1 GHz to 3 GHz. Calibration equations for measurement of MC at 2.50...

This article discusses the role of reactive oxygen species in plants,composition of antioxidant system,composition and role of antioxidant enzymes, and effect of heavy metals stress on the individual antioxidant enzymes activity.Under normal circumstances,in plants bodies, reactive oxygen species production...

Femtosecond pulsed laser(800nm, 120fs, 1000Hz) was used. And methods of element doping, abaxially rolling and moving were applied. Problems of conflict between transmission and inner-stress, and large area asymmetric of diamond like carbon (DLC) films deposited by pulsed laser were overcome. Hydrogen-free...

Machining precision of the middle-convex and varying ellipse piston is an important aspect influenced by machining technological, and influencing the functional performance of engine directly. The scientific and rational machining technological is the key to determine the manufacturing quality and cost-performance...

Recently,the number of swimming pool is increasing, the swimming lover is also rising, more and more people love playing and vacation on the sandy beach. According to statistics, the private swimming pools have tens of thousands in our country, and there are many small swimming pools. Many people love...

This paper describes the fundamental theory of true 3D virtual reality which involves the theory of scene structure, modeling and scene construction. It presents the true 3D virtual reality development process, construction basic graphics library of 3D and simplified programming.

In this paper, the 1082 orbits CCD camera data of Chang'e-1 satellite (2c Data) are processed and sorted, using professional remote sensing software such as ENVI ERDS NASA PDS Viewer etc. to generate the full moon image map. And the spatial resolution is 120m which lays the foundation for the census...

In order to improve the measurement accuracy of the non-contact laser coordinate measuring machine, both the error model of coordinate measuring machine and laser measurement are built based on blade measurement. The influence of the surface color and surface inclination angle of the measured object...

Aiming at the problem of occlusion and shadow in the existing video object segmentation algorithm, a new video object segmentation based on background reconstruction is proposed. In the time domain, the motion area of a single frame image is obtained, and the method of changing the template with the...

Context-aware applications can sense and explore the context of production processes to provide proper and useful services to managers in workshop. Firstly, a multi-level ontology model of materials is found which is expressed in OWL as an ontology collection of describing places ages and events and...

In order to optimize the structure of the pick cutter under the premise to meet its performance, and to achieve their own weight, the pick cutter of the longitudinal axis roadheader, which works under complicated seam conditions, is regarded as the research object. Based on the finite element method,...

The PLC control system is used to control and adjust the parameters in the process of high strength steel production, and the working principle and process of PLC control is introduced. Experience of production practice shows that the system has a strong operational and practical, can greatly improve...

The deformation behavior of aluminum alloy 5052 is studied by isothermal hot compression in a wide range of temperatures ranging from 300 °C to 450 °C and strain rates ranging from 0.01 s-1 to 1 s-1. The results show that the peak stress increases with the strain rate while decreases with the temperature....

A modulated float-assisting, Bulletproof, stab resistant cloth is designed; the preparation method and corresponding product are brought forward. The cloth is composed of the coat, the standardized modules and components. The cloth has a neck protection body, the coat and crotch portion protecting body....

The calculation method and formula of orifice area and area gradient of double triangular groove and U shaped groove assembled shape orifice is analyzed, the calculating program of valve orifice area is established in MATLAB software. It uses polynomial segmentation to fit the combination valve orifice...

Material inventory management plays an increasingly important role in modern operations management within manufacturing enterprises. And a multi-attribute classification model has been put up based on the application of the decide tree model and fuzzy artificial neural network. First the material inventory...

Hydrolysate of steam-exploded wheat straw (SEWS) was used as the carbon source of xanthan production. The effects of common inhibitors generated during steam explosion on xanthan production were evaluated; a combine method was used to improve the fermentability of enzymatic hydrolysate of SEWS. All the...

In order to optimize the shell structure of the shearer ranging arm, the force of the shearer drum is analyzed, and it used three-dimensional software Solidworks to establish the shell entity model. The structural static analysis of the shell is implemented by ANSYS software. Then it attained the static...

Based on the bearing frictional theory and thermal theory, establishing a three-dimensional finite element model of the rotating liner hanger bearing, using finite element software ANSYS-Workbench to simulate the temperature field distribution. Discussing the influence of the slurry temperature and the...

The hydrogen peroxide photometric method for analyzing main constituent titanium in vanadium alloy were investigated in the paper, including the sample digestion method, chromogenic conditions, Lambert-Beer’s law range, matrix interferences, method precision, recovery of standard addition, sample analysis...

The nylon-12 as raw material of balloon catheter and paclitaxel as coating drug, the paclitaxel drug-coating balloon was made by directing coating method. This paper investigated the effect of paclitaxel drug-coating on the balloon physical performances by Hydraulic Pressure Tester, Laser Diameter Gauge,...

When there is multi-variables in a sample, some samples which obviously disturb the relationships among variables are called outlier samples. However the presence of an extremely significant outlier sample tends to conceal some other outlier samples, which bringing great challenge to the identification...

The plasma spraying Al2O3-13%TiO2 (hereinafter referred to as AT-13) ceramic coating on Q235B steel surface was dealt with laser remelting technique , then change of the microstructure and properties of the laser remelting AT-13 coating was studied. The experiment results show that the microstructure...

In order to overcome the defect of open-loop detection of micro-gyroscope, based on comb capacitance detection of micro-structure, the working principle of electrostatic force suppressing capacitance comb vibration was analyzed. The Coriolis signal vibration amplitude of micro-gyroscope was extracted;...

A set of command simulation system, which can be used for training of jumpmasters, later evaluating of training situation, as well as aiding of decision making, is developed in this paper. The software system realizes teaching monitoring, teaching quality assessment, and automatic forced parachuting...

The separation performance of the teetered bed separator for coarse coal slurry has been investigated. Experimental results show that the stability of the teeter bed has huge impact on separation efficiency. A number of data describe that the recovery of the separator involves both particle density and...

A kind of green compound corrosion inhibitor has been made from sodium molybdate, benzotriazole, calcium gluconate, sodium polyphosphate and zinc sulfate. The inhibition capability of the corrosion inhibitor in seawater for carbon steel is carried out by weight-loss method and electrochemical method....

In order to improve the speed of gestures image processing in interactive projection, the paper uses field programmable logic devices to design image processing system on-chip, studies the realization method of image wavelet transform IP core, designs gesture image of Haar wavelet decomposition and reconstruction...

The paper shows theoretical analysis and experimental study on the performance of the pump / valve hybrid drive system. Taking AE0505D16 type piezoelectric stack as power source, design and manufacture two new structures of pump: symmetric and staggered single-chambered dual piezoelectric stack pump....

Numerical control (NC) lathe plays an important role in the production of mechanical parts. Because of its complicated structures and frequent operation, there exists lots of failures. When the failure happens, the NC lathe stops working, then directly lower the productive efficiency. In order to help...

In order to get accurate license plate location, a method of license plate location based on Sobel operator and mathematical morphology is proposed. Sobel operator and Dilation and closing operation are used to obtain approximate position of the license plate. Then three steps are adopted to get accurate...

Many problems have occurred in using an 11-roll leveler in 2250 cross cutting line due to the increasing maximum strength of hot rolled coil. To determine the cause of these problems, a model to calculate the leveling capacity quickly is constructed using leveler’s structural parameters and force-energy...

To solve the problems of easily falling into local optimal solution and solving process instability for adaptive genetic algorithms, an improved adaptive genetic algorithm is presented by improving the crossover and mutation probability calculation method, which balances the solving stability and reliability...

The basic ant colony algorithm converges slowly, is prone to plunge into partial optimum. This paper proposes an improved ant colony algorithm with two highlights. First, dynamic candidate list (DCL) strategy is introduced. In the route construction, candidate routes, whose fitness value surpass some...

Ultrasonic surface rolling process (USRP) as a novel surface nanocrystallization method generates severe plastic deformation in material surface through combined static extrusion and dynamic impact. Since the dynamic impact acts at ultrasonic frequency, the elastic-plastic deformation is mainly induced...

This paper presents a system design of mechanical robotic manipulator with its own sensor end effectors. For the end effectors, they would be fixed with a fabricated micro-nano sensor. This system’s application is to detect specific heart rates of various population by executing a robotic arm action...

Statistical process control charts have been widely utilized in manufacturing processes for determining whether a process is run in its intended mode or in the presence of unnatural patterns, it’s a multi-class classifier problem. Effective approaches to recognize control chart patterns is essential...

Asymmetric flatness occurred on the products of a 2250mm hot rolling line when they were rolled in a cold mill. The production data reflected that these products deviated much in hot rolling. Because of the large thickness, rolled pieces show asymmetric profile instead of asymmetric flatness under asymmetric...

Laser tracker is an important optical instrument for precise geometric coordinate measurement in large scale. Position sensitive detector (PSD) is one core miss-distance detecting sensor of laser tracker to achieve precise cooperation target tracking. The tracking parameter calibration accuracy based...

The optical fiber has been extensively used as a sensor in some special fields. Because the optical fiber exists crackles itself and also produce the micro-crack as well as local damage, the fatigue behavior of the optical fiber become the main problem we care about. This paper presents the experimental...

Fiber-optic sensors are widely used in the long-term health monitoring of major engineering structures, and it will generate heat fatigue damage under the influence of the environment, which greatly affect the stability of the optical fiber sensor. In this paper, experimental analysis for optical properties...

This paper introduces design and structure of test system of discharge time for emergency lightings based on PIC MCU, including the structure of hardware and design of software. And the communication performance and human-machine interface (HMI) of the system are elaborated. In addition, due to functional...

To refine the microstructure and improve the mechanical properties of the metal tubes, a new kind of severe plastic deformation process of the cyclic rotating bending (CRB) process was newly proposed. This study focused on the investigation of evolution of microstructure and mechanical properties of...

A finite element model was built for the sheet metal multi-point stretch forming (MPSF), and the numerical simulation of the MPSF for the saddle and spherical surface workpiece were performed. The simulation results show that to hyperbolicity workpiece, the influence on precision is different in dissimilar...

During the power spinning process of large ellipsoidal heads with variable thicknesses (LEHVT), material parameters of the blank have a significant effect on the quality of LEHVT and the determination of forming parameters. In this paper, the influences of hardening exponent, yield stress and elastic...