This paper introduced the overall situation and tourism resources in Guizhou Province, and studied the anion distribution and air quality of scenic places of this region based on the results obtained by the test of some scenic spot, Using city gravity model and actual data, analysis the potential visitors...

It is proposed the evaluation theory of inverse analysis arithmetic, and it is introduced the evaluated equation on compensate fuzzy control by stainless steel, the affecting gene model of stainless steel on compensate fuzzy control is built. The application of installation process is introduced. The...

Based on the Johnson-Holmquist-Ceramics material model in LS-DYNA, the penetration process of the bullet impact sapphire plate is simulated by finite element method, and the penetration failure mechanism is also analyzed. Four main observations are obtained-First, when the bullet hits the sapphire plate,...

Aiming at the problems existing in the current tunnel supporting method, offered a new proposals for rock support with steel concrete structure in tunnel engineering. This paper introduces new supporting method and construction process, from the safety of the tunnel construction, schedule, waterproof,...

A kind of desert sand steel-PVA fiber high performance concrete is researched. The high performance concrete is composed of water, cement, fly ash and sand. Desert sand instead of part of the river sand, the replacement rate of 30%; fly ash instead of part of the cement, the replacement rate of 15%....

The present study aims to elaborate the particle in-flight behavior during plasma spraying and its significance in determining the microstructure and mechanical properties of plasma sprayed yttria partially stabilized zirconia (YSZ) thermal barrier coatings (TBCs). The as-sprayed YSZ coatings were characterized...

Natural diamond can be cut and grinded for manufacturing the super-hard tool in the field of ultra-precision machining. But the natural diamond cutting technology with high precision and high quality is still a challenge. The idea that laser cutting method combined with the other technologies provides...

This paper describe the solution to the ECML/PKDD discovery challenge on taxi destination prediction. The work consisted in predicting the destination of a taxi based on the beginning of its trajectory, represented as a variable-length sequence of GPS points, and diverse associated meta-information,...

With the shortage of fly ash in south of China and rush towards sustainability, how to use of resources of volcanic powder has become a new field for experts and scholars. This paper aims to study the suitability of replacing cement by volcanics in producing autoclaved aerated concrete (AAC) and find...

The mechanical and pressure-sensitive properties of nano-Fe2O3 cement paste were experimentally studied. The experimental results showed that, except at the 7-day age, the compressive strength of cement paste doped with different amounts of nano-Fe2O3 measured at the 14-day and 28-day ages had a steady...

This study explored the effect of adding different concentrations of carbon nanotubes (CNTs) on the resistance to chloride ions penetration of cement mortars through natural penetration of chloride ions and Mercury Intrusion Porosimetry. The experimental results of natural penetration of chloride ions...

The damage mechanics-effective stress method are used to predict the life of the structure under the interaction of creep and fatigue. The effective stress method is used to calculate the stress field of the component, and the repeated modification of the stiffness matrix is avoided, and the calculation...

The compressive strength and hydration process of cement-based materials containing with carbon nanotubes (CNTs) were investigated in this paper. The experimental results showed that the compressive strength of QC-CNT group under standard curing and dry-wet cycles was higher than that of Control group...

Porous materials with high specific surface areas was prepared by a combined method of microwave drying carbonization and activation processes, in which castor rhizome was used as carbon source, and KOH was used as activator, respectively. The porous material was added to the cigarette filters and the...

This study aimed to synthesize N-alkylated chitosan derivates with similar degree of substitution (DS) and alkyl groups of different carbon chain lengths via reductive alkylation, and then to compare their coagulation properties. Structural properties of the N-alkylated chitosan derivates were characterized...

A series of N-alkylated chitosan (NACS) with various alkyl chain length and degree of substitution (DS) was prepared by a reductive amination method. The synthesis and structural characteristics of NACS was determined by FTIR, NMR and elemental analysis (EA). Fluorescence spectroscopy was used to analyze...

This paper implements a four axis ball grinder to the high precision processing of graphite balls. In this paper, the mechanism of grinding effect by the four axis ball grinding method was analyzed. The influence from the size of lapper, the pressure and the grinding coefficient was studied. Then this...

Based on the experimental study of four RC full-size round columns under constant axial loading and lateral cyclic loading, the effectiveness of strengthening the RC round columns using the high performance ferrocement laminates (HPFL) for improving their seismic behavior has been examined. And with...

This paper discussed the structure composition and connection mode of composite cross arm, By tightened the vibration, redesigned the tower head structure of cup-tower, cathead tower and Upper Shape Tower using composite cross arm, the corridor width decreased by 3.2m and 3m-3.6m, Effectively solved...

The use of fireproof thermal insulation material in building external wall insulation system is of great significance. In this paper, through the research of three kinds of fireproof polystyrene insulation board in our country building market in recent years, the comparison and analysis with traditional...

For sandy slope, size of rock fall, groundwater level and type of site are all important factors which have significant influences on the movement characteristics of rock falls. To obtain the importance of each factor, orthogonal analysis was studied and shaking table test was drawn up. In the tests,...

The concrete quality is of great significance for the safety of buildings. This paper conducted the research on this subject in the actual concrete mixing plant, with concrete compressive strength (CCS) being the indicator of concrete quality. Firstly, in order to make the quality evaluation models feasible,...

Nine representative examples of water conservancy projects are selected, and the cost changes of water conservancy project are calculated by combining the cost adjustment method of replacing business tax with value-added tax on water conservancy project. At the same time, analyzing the reason for the...

In the view of the serious problem of low-rise gable roof buildings damaged by typhoon, a method of using wind-resistant energy dissipation devices on roof wind pressure to reduce the damage of strong wind on low-rise gable roof buildings is proposed in this paper. The wind tunnel experiments were carried...

This paper applies P-A model to study the fractal characteristics of 17 sub-watersheds in the study area from Badong county to Zigui county in TGP reservoir region. The results indicate that the small watersheds have obvious fractal characteristics and that the fractal of water system in the study area...

This paper focuses on the application, characteristics and advantages of composite girder with corrugated steel webs at home and aboard. The comparison between concrete girder and composite girder includes material quantity, intensity and stiffness. The results show that composite beam has saving on...

This paper highlights the production process, performance feature and engineering application of film laminated metal composite decorative panel , on the basis of introducing film materials. The development prospect of the product is broad by virtue of its excellent product performance and advantage...

By means of laboratory experiment, pump performance of crush sand concretes with different stone powder content and methylene blue value are measured. More stone powder provides better lubrication and better pump performance on low-strength concrete. Paste viscosity increases by increasing stone powder...

through the data plane and control plane isolation, SDN network architecture framework helps to simplify network configuration and management, improves the development efficiency, and the centralized logic controller to give more control over the entire network, the network has full visibility. These...

The essence of failure for compression-shear sliding unstable rock belongs to the fracture of dominant fissure. The fracture mechanics model of compression shear type dangerous rock is established by combining rock failure criterion with fracture strength factor; By equivalent stress method, the equivalent...

In this study, optical microscope (OM), tensile test, X-ray diffraction(XRD) method were used to investigate the effect of hot rolling parameters on texture and tensile properties of X65MO offshore pipeline steel. Result of microstructure observation reveals that the anisotropy of mechanical properties...

Visible-light responsive bismuth pyrostannate (Bi2Sn2O7) photocatalysts with the clew-like morphology have been synthesized by the hydrothermal method. XRD, FE-SEM, BET, UV-vis DRS was used to characterize the phase structure, surface morphology, and optical properties of catalysts. When the hydrothermal...