Advanced Materials Research Vols. 926-930

Abstract: In this paper, we present a modification Raman spectroscopic method-Spatially Offset Raman Spectrosocpy (SORS) for the noninvasive detection for the complex mixed soultion through diffusely scattering and fluorescing bottles and other packaging (including transparent, colored, diffusely cattering palstic and glass beverage, medicine and cosmetic bottles). Compared with conbentional Raman spectroscopic method, SORS is able to effectively supress fluorescence and Raman contributions originating from the container. This inherent ability cans substantially enhance the sensitivity. The application is demonstrated on the noninvasive detedtion of complex mixed solution. The experiments were performed using a 1064nm laser with 500mW average power, and a circular array of collection fibers were surround with the exciting laser. The resluts show that the SORS technology was capable of identifying the presence of concealed complex mixed solution in both transparent and non-transparen samples in quality control and authentication of chemical products.

Abstract: Pectin was extracted from the potato residues by acidolysis and salting out. The effects including extraction volume, extraction pH, extraction temperature, extraction time and different methods of salting out on the extraction yield were observed. The optimal conditions of extraction were gained by single experiment and orthogonal test as follows: pectin was extracted by extraction volume 240ml, pH 2.0, extracting 1.0h at 85°C. The extraction yield was 16.98%.

Abstract: Dichloromethane (CH2Cl2) is one of main components of odorous gases from pharmaceutical sewage treatment plants. In this work, firstly the CdS/TiO2 loaded on ACFs composite photocatalysts was prepared. Gaseous CH2Cl2 was selected as the model reactant, the photocatalytic activities of CdS/TiO2/ACFs composites had been investigated. The results showed that the degradation rate of CH2Cl2, when the light was turned on after the CdS/TiO2/ACFs composites were saturated, was significantly higher and could maintain a longer time than that one of direct light. At initial stage, the degradation rate of CH2Cl2 could reach to 94%, while it decreased with the increase of the irradiation distance. It increased with the amount of composites before illumination 70 min; however it becomes reverse after 70 min. The degradation rate of CH2Cl2 decreases with the inlet concentration, when the inlet concentration was 26.5 mg m-3, the photodegradation rate declined about 70 % than that one of 8.5 mg m-3 when light 30 min.

Abstract: The deformation behavior of as-cast AZ61 alloy in the temperature range 300-450°C and in the strain rate range 0.01~5 s⁻¹ has been studied using processing maps. For obtaining the processing map, the variation of the efficiency of power dissipation given by [2m/(m+1)] where ‘m’ is the strain rate sensitivity, is plotted as a function of temperature and strain rate. The map exhibited a domain of dynamic recrystallization (DRX) occurring at 425 °C and 0.1 s⁻¹ which are the optimum parameters for hot working of the alloy.

Abstract: The preparation process of porous alumina ceramics, the effect of process parameters on the performance of porous ceramic, the findings suggest that pore-forming agent sintered alumina ceramics sintered strength properties and have a greater impact; binders for ceramic porous A1203 porosity has a greater impact.

Abstract: Gold nanoparticles coated on indium tin oxide substrate have been attracting great attention due to their excellent optical, electronic, electrocatalytic and biosensing application in recent years. In this paper, recent research progress in the preparation methods of gold nanoparticles on indium tin oxide substrate surface such as assembling with polymer, seed-mediated growth method and electrodeposition are presented. The applications of gold nanoparticles modified indium tin oxide substrate are also reviewed in electrode, catalyst, sensors and biochemical analysis.

Abstract: The development of sports needs the use of new high - tech materials and forces human to research and make use of new materials1 It is very importent and urgent to study and summary the effects of new high - tech materials on the development of sports. New materials applied in the game equipment greatly promoted the increase of sports results. Summarizing and researching new materials in sports equipment in the role, interaction, main material and function and the production process characteristics helps accelerate the sports value and application of new materials.

Abstract: Polyether imidazole ionic liquid (PIIL) was blended with general-purpose epoxy resin (EP). PIIL/EP was cured by ethylenediamine curing agent. The structure of PIIL/EP was determined by FTIR. The effect of the content of PIIL on the impact strength of EP was studied. The toughness of epoxy resin could be significantly improved by PIIL. The impact strength of the modified EP was improved with the increase of PIIL and leveled off when the content of PIIL was more than 45%, and the modified EP showed rubber elasticity obviously.

Abstract: The characteristics of a successful work is difficult to completely define. When artists create his work, he transform to poet and alchemists. And then, his creature get the feeling of mysterious, a kind of unspeakable quality. There has a sense of life in it. Its the form, that can deliver such kind of spirit. But as the medium which is closely connected with the creation is material---can produce certain effect for its expression. This paper has enumerate several kinds of medium material used in different sculpture art, to analyze the different visual feelings, to discuss how can the material characteristic impact on sculpture forms at deeper level.

Abstract: The mineral processing technology of a copper ore was studied in this paper. In light of the characteristics of the ore, the experiment studied the process flow and reagent system two aspects and finally determined one roughing, one cleaning, a scavenging of flotation process and reasonable system of medicament. The results showed that for the raw ore with Cu grade of 1.0%, Cu concentrate with Cu grade of 14.62% and recovery of 88. 01% was obtained. The whole process is simple, low cost and can be widely used in industrial production.