Introduction. In the world the prospective studies have been taking great acceptance, especially in developing countries, as they allow the prioritization and targeting of efforts in research on a specific topic. Objective. Contrast the positions of the key members of 2 Colombian universities about the...

Compatibility between POSS and polymer was the key element of effecting whether POSS as nanofillers could improve mechanical properties of polymer. Based on really materials and applied manufacturing process, a new kind of an effective modulus predictive method for POSS reinforced resin matrix composites...

With the continuous development of wearable health monitoring technology, new types of Electrocardiogram (ECG) electrodes become the focus of attention, such as textile electrode, non-contact electrode, and micro-needle electrode. However, there are not yet unified performance testing methods for different...

Gleeble thermal-mechanical simulation can accurately control the parameters such as thermal, force and displacement of certain working conditions, which has been widely applied in the HAZ simulation and other metallurgy behaviors. In this paper, Gleeble thermal simulation technique has been used to study...

A generalized variable-coefficient coupled Hirota-Maxwell-Bloch system is investigated, which can describe the ultrashort optical pulse propagation in a variablecoefficient nonlinear, dispersive fiber doped with two-level resonant atoms. Based on the obtained Lax pair, N-fold Darboux transformation (DT)...

In this paper, the magnetic flux leakage testing equipment of military metal oil tank is taken as the research object, and a finite element model is established by numerical simulation. The impact of the defect depth, liftoff value and plate curvature on magnetic flux leakage was calculated. The results...

With the facts that the hot-dip galvanizing industry continues to develop, the output of hot-dip galvanizing dross increased unceasingly and the zinc resources reduces constantly, the problem of the hot-dip galvanizing dross regenerative recovery has became the focus of the industrial circle, Therefore,...

Galvannealed coated sheet steels are extensively used in the automotive industry due to its good corrosion resistance, excellent spot weldability and paintability. However, galvannealed coated sheet steels generally present different forming behaviors, which mainly depend on the amount, orientation and...

A new cold working die steel was prepared by vacuum arc melting. Its structure characteristics and micro-hardness were measured and investigated. The results indicate that the ingot is mainly composed of dendrites. The grain size increases gradually from the edge to the center along the horizontal direction....

In order to study the influence of unbalanced three-phase load on distribution transformer's outlet voltage, the ATP-EMTP simulation model has been built. Distribution transformer's outlet voltage under different load parameters has been researched. The simulation results show that active and reactive...

A high resolution numerical model of Laoshan Bay is established in order to study the Influence of the National Deep-sea Center Engineering on Hydrodynamics. The model is verified by the observation data. The results show that although the hydrodynamic characteristics of the Laoshan Bay did not change,...

Because the Asphalt concrete pavement heavy-duty rutting, low temperature cracking and anti-fatigue cracking problems are prominent, the author mix the BRA rock asphalt and polyester fiber into the asphalt mixture preparation of wide temperature field asphalt mixture in accordance with various proportions....

According to the characteristics of children's early paintings, this paper designed a kind of hardware and software system based on FPGA and ARM dual-core architecture, the system realizes the physical image contour extraction, display, enhancement. And can through the SD card to store image and use...

This paper introduced the theoretical design of automotive muffler. The muffler three-dimensional model was established using the computer, and convert the format of the three-dimensional model into STL, then by using the method of rapid prototyping, print out the muffler entities. By using the related...

Aiming at the design defects and quality problems in Children's Furniture, flexible manufacturing of children's furniture is proposed. It is by flexible design, flexible production and information management that flexible manufacturing can overcome the impact of the function, style, quality requirement...

The pressure correction method based on N-S equation, using the split SIMPLE algorithm, the crosswind conditions of pantograph's aerodynamic characteristics numerically simulation analyzed. The results show that with the wind direction increasing, the pantograph's aerodynamic load is nonlinear, the lift...

By taking real domestic CRH high-speed trains as research object, using the Computational Fluid Dynamics software Starccm+ to carry out numerical simulation calculations when the train runs in different vehicle speeds and cross-wind speeds, We get aerodynamic loads in diverse working conditions. Furthermore,...

Cellulose insulation was introduced into Korea in the 1980s when several small companies started production. The cellulose industry in Korea is still in an early stage of development with current production of about 1000 tons a year. The Korean equipment used to produce cellulose insulation was imported...

Two new type of RC beam to concrete filled steel tubular column joints are proposed here. Test study on 22 joint specimens under vertical load is introduced here, which includes RC beam to concrete filled steel tubular column joints with four types of connections and RC beam to circular column joints....

In order to test the correctness and feasibility of high strain measured curve fitting method of pile, field tests of vertical bearing capacity of pile were carried out using prestressed concrete pipe pile. The following test results can be obtained: (1) According to the actual soil layer parameters...

Reliability-based design optimization (RBDO) is a more rational optimization design method due to its consideration of the structure reliability requirements. A new RBDO-kriging method that combines kriging agent model and covariance matrix adaptation evolution strategy (CMAES) is proposed to solve the...

Based on the experimental results and theoretical analysis, the study of the classification and mechanism of the premature failure for low-grade R.C. beams reinforced with bonded steel plate is placed on, finally, reasonable measure to overcome the premature failure is introduced..

In this paper, the present situation of roof waterproof technology was discussed and the working principle and failure reasons of roof waterproof system were analyzed. Combined with the actual high-rise building project, the key technologies of roof waterproofing design and construction have been discussed...

The large - span single - layer reticulated shell structure is a structure sensitive to the load distribution. Different distribution of snow load has an effect on the stable bearing capacity of the reticulated shell structure. The unfavorable snow load distribution may cause the stable bearing capacity...

Based on the creep characteristics of the overlying Jurassic sandstone in the goaf in Yulin area of Northern Shaanxiby the RLW-2000 microcomputer controlled rock triaxial compression creep testing machine, the parameter values of Burgers creep model of the Jurassic sandstone are determined, and the creep...

Shale inhibitor has been widely used as a cure of shale dispersion and swelling when drilling in shale formation. To make clear the effect of the interaction time, type and adding order of inhibitors on the hydration of bentonite, the particle size distribution (PSD) measurements of bentonite have been...

X-ray energy dispersive spectrometer (EDS) and X-ray diffraction (XRD) tests are performed to investigate the chemical composition of Hangzhou soft clay. For comparison purposes, the above two tests are carried out on Hangzhou stiff clay. Based on EDS results, sulfur(S) can't be found in Hangzhou stiff...

After reviewing the relevant literature on green campus, this study has analyzed the current design practice. It shows that there are shortcomings in the green campus design strategies for the outdoor physical environment. There are three aspects in the shortcomings: (1) the site planning, (2) the layout...

The proper disposal of sewage sludge has been paid much attention. The traditional methods of sludge disposal include sanitary landfill, composting, thermo chemical treatment (including pyrolysis and combustion), and sea disposal. Urban sludge has the dual attributes of pollutants and resources. The...

The present article aims to make a critical view of the current and prospective situation of mass transport systems in the Caribbean region based on technologies. One of the important and sensitive aspects of analysis is the impact that these systems are generating in the economic, social and environmental...

In recent years the growth of air cargo has accelerated, necessitating the assessment of the challenges that this growth will in the future, in order to overcome them and continue contributing to the economic development of the country. Considering the above, this paper proposes several models to estimate...

Intersection is an important component of the urban transport network. It is the main place where traffic congestion usually takes place. One of the key to solve urban transport problems is to organize the traffic in intersection reasonably and effectively.This paper learned the theory of signal control...

To solve the problems of little sample, multi-collinearity and bad robust ability of normal model remaining in measured dam data in process of analysis, This paper analyzed the monitoring data of measured dam crest crown cantilever and both sides of 1/4 arch of a gravity dam in 2013 using circannual...

Based on the CVaR measure, this paper introduces a Cooperation and Competition model for the risk management of the two-stage supply chain. It is supposed that both the supplier and the retailer are risk-averse and their objectives are to minimize their own CVaR(Conditional Value-at-Risk) objective instead...

Cretaceous, in Kuqa River-Kelasu River region of the northern Tarim Basin, is composed of, in ascender order, Shushanhe Formation, Baxigai Formation and Bashijiqike Formation. Based on field observations in the respectives of sedimentology, an alluvial depositional system consisted of fan-delta, braided...

Many debris flow hazards were triggered in Earthquake area after the Wenchuan Earthquake. In these debris flow hazards, the most notable one is the debris flow in Bayi Gully on Aug.13, 2010. Bayi Gully was a debris flow gully before the Wenchuan Earthquake, in the first three raining seasons after the...

Several typical existing calculation methods of earth pressure considering displacement are introduced and compared; Typical methods are used to calculate the condition of laboratory tests and the result is compared with that from Rankine earth pressure results to explain which is more reasonable. Based...

With the rapid development of the construction of large cities in China, the population density has soared, and the subway is an important transportation tool in modern cities. In order to solve the problem of fault information transmission, the paper adopts the technology of seamless connection between...

This paper takes the city management informatization public satisfaction as the research object, using the theory of customer satisfaction evaluation of mature, through the analysis of factors affecting public satisfaction, city construction management informatization public satisfaction index model,...

Based on the investigation on the status of the existing distribution system of agricultural products in Beijing and the analysis of the current problems of distribution and the factors affecting the quality and price fluctuations of fresh produce, this paper puts forward strategies to solve the distribution...