Advanced Materials Research Vols. 201-203

Abstract: To improve the accuracy of description and the clarity degree of guiding of aviation equipment maintenance job card, the method of maintenance job card generation based on lightweight model was proposed. This method applies multi-view 3D annotation method to implement the separation show for technical requirements from different maintenance discipline and operation timestamp, uses dynamic viewpoint navigation method to make the show of disassembly and assembly simulation process of parts conform to the observation habit of human, finally, transforms the maintenance order information into 3D portable job card file based on lightweight model and releases it to maintenance site. The maintenance application instance of right aerofoil shows that this method can realize the accurate, intuitive and non-ambiguous description, increase the efficiency and quality of maintenance.

Abstract: In this study, platinum (Pt) and zinc oxide (ZnO) had been adopted as electrode and piezoelectric layer of an FBAR sensor. Based on the off-axis deposition of the ZnO film, longitude and shear modes resonance phenomenon can be approached to sensitive in air and liquid respectively. The preferred orientation and crystal properties of the ZnO film were evaluated by X-ray diffraction (XRD) using a SHIMADZU XRD-6000 with Cu K_α radiation. The crosssections of the grain structures of ZnO films were observed by scanning electron microscopy (SEM) (Philips XL40 FESEM). The electrical resistance of the bottom electrode was measured using the van der Pauw four-point probe method. The HP8720 network analyzer and CASCADE probe station (RHM-06/V + GSG 150) were used to measure the frequency responses of FBAR devices. The result of FBAR frequency response in liquid, the quality factor of longitude mode is decayed apparent and shear mode is kept high value. The Pt electrode of FBAR sensor has to withstand attack of acid/alkali solution.

Abstract: The production of bacterial cellulose (BC) from Gluconacetobacter xylinus could be improved by the two-stage cultivation strategy. The jar fermentor was applied at first stage to increase cell concentration. At the second stage, the bacteria statically grew within beaker. Three different fraction of cell volumes were cultured in modified YPD-glucose medium or YPD-molasses one. In the modified YPD-molasses medium, the BC yield were highest in this study when the consuming rate of reducing sugars (RS) was 0.181 g-dry BC L^-1 d^-1 and the BC production rate was 0.183 g-dry BC/g-RS, respectively. The modified YPD-glucose medium could get the maximum pellicle thickness of 5.56±0.64 mm and water content of 99.4%, respectively.

Abstract: When electrospinning has been used as a special technology of regenerative bone scaffold, for raising the efficiency of electrospinning and decreasing collecting area, the mechanism of bending instability was analyzed and concluded that the force of electric field is a key factor. Auxiliary gradient rings have been added to electric field, which changed the environment of electric filed. Then, it was verified that additive gradient rings could reduce the collecting area. On the other hand, Maxwell was used to analyze the strength and structure of electric field. The maximum intensity of electric field existed in the position of nozzle. The farther apart from nozzle, the rapidly intensity decreased. When auxiliary gradient rings had been added, the intensity of instability stage showed increased trend. Mechanism analysis and experimental result were confirmed by the simulation effectively.

Abstract: Google Maps JavaScript API enable users calculate directions by using the DirectionsService object. With these directions results, a new approach to solve the Travelling Salesman Problem (TSP) is proposed in this paper. This DirectionsService object communicates with the Google Maps API which receives directions requests and returns computed results. TSP is solved by simulated annealing genetic algorithm (SAGA) with help of returned directions results. In experiment example, the optimal route of the TSP was provided graphically with Google Maps and textually in user interface. The final results demonstrated the feasibility of the proposed approach.

Abstract: The existing evaluation models of enterprise informatization level are mostly static evaluation model. And they can’t meet the need of dynamic evaluation of enterprise informatization level. According to the principle of priority information, this paper proposes a new method to determine time series weights based on matrix norm. By using the driving principle of the difference, this paper gives a determination of index weights. And based on time series weights and determination of index weights, the paper establishes a dynamic evaluation model of enterprise informatization level, and gives the calculation steps. Through the case study, this paper tests the validity of the model.

Abstract: With the thorough application of Internet/Intranet in product data management field, system of product structure management based on Web has been becoming a development trend. A kind of product structure management method based on Ajax is presented. The method was realized through program. As an example, the algorithm was used in an actual product, and the algorithm was validated.

Abstract: With the rapid development of enterprise informationization, the application of decision support system has been the focus of interest of recent studies due to its high-efficiency. In order to realize the decision support of enterprise production management, we established integration model of production information based on heterogeneous databases, designed data mart of production management, in the design of data mart, we discussed the data model and the realization process of the data mart. We put forward the architecture of the system, studied the decision scheme, layered structure and decision rules, and then developed the enterprise production management decision support system. Enterprise production efficiency can be improved through the application of the system.

Abstract: This paper puts forward the top-down design of parts and products by using PRO/E-Based master part. This method can accord with requirements of customers in time, change the traditional working mode, thus, improving the design efficiency.

Abstract: Tourism is the most dynamic and potential industry of the world. The information constrution of tourism enterprise can promote the transformation of traditional tourism enterprises to the modern tourism enterprise, improve the production efficiency and enhance the core competitiveness of tourism enterprise. In this paper, the conception of tourism enterprise informater is clarified and the necessity of the information construction in modern tourism enterprise are analyzed. Finally, it is pointed out that we should pay more attention to four aspects: strengthen the support efforts of government to the information construction in modern tourism enterprise, improve the constrution of the tourist information management system (TIMS), optimize organization structure of tourism enterprises to promote information share, set up a professional team of tourism and information technology, encourage tourists to change their consumption habits.