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Fabrication of porous metal nanoparticles and microbumps by means of nanosecond laser pulses focused through a fibre microaxicon 利用纳秒激光脉冲聚焦光纤微轴突制备多孔金属纳米粒子和微凸点
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.011
Alexander A. Kuchmizhak , Oleg B. Vitrik , Yuri N. Kulchin
{"title":"Fabrication of porous metal nanoparticles and microbumps by means of nanosecond laser pulses focused through a fibre microaxicon","authors":"Alexander A. Kuchmizhak ,&nbsp;Oleg B. Vitrik ,&nbsp;Yuri N. Kulchin","doi":"10.1016/j.pscr.2014.08.011","DOIUrl":"10.1016/j.pscr.2014.08.011","url":null,"abstract":"<div><p>We present a novel optical element: a fibre microaxicon (FMA) for laser radiation focussing into a diffraction-limited spot with a Bessel-like profile as well as for precision laser nanostructuring of metal film surfaces. Using the developed FMA for single-pulse irradiation of Au/Pd metal films on a quartz substrate, we demonstrated the formation of submicron hollow microbumps, each with a small spike atop it as well as hollow spherical nanoparticles. The experimental conditions for the controllable and reproducible formation of ordered arrays of such microstructures were defined. The internal structure of the fabricated nanoparticles and nanobumps was experimentally studied using both argon-ion polishing and scanning electron microscopy. These methods revealed a porous inner structure of laser-induced nanoparticles and nanobumps, which presumably indicates that a subsurface boiling of the molten metal film is a key mechanism determining the formation process of such structures.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 55-61"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88867393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling of RO installations for wastewater treatment plants 污水处理厂反渗透装置的建模
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.008
Viacheslav V. Slesarenko
{"title":"Modelling of RO installations for wastewater treatment plants","authors":"Viacheslav V. Slesarenko","doi":"10.1016/j.pscr.2014.08.008","DOIUrl":"10.1016/j.pscr.2014.08.008","url":null,"abstract":"<div><p>The investigation results of the processes involved in the combined plants for water and drainage cleaning, including an RO and UF membrane apparatus for magnetic water treatment, are presented in this paper. The potential of the magnetic water treatment method for correcting the nanofiltration processes is highlighted. New schemes are proposed for using the magnetic water treatment apparatus for the purpose of preventing the formation of colloid and salt deposits on the membrane surface of the RO and UF apparatuses. The membrane system mathematical model that enables the evaluation of the intensity of formation of deposits in the membrane apparatus were considered by accounting for the hydrodynamic flow and diffusion processes. The membrane system model accounts for the influence of the magnetic water treatment on the nanofiltration processes. The data of the experiments performed at the laboratory stand with water desalination via a RO membrane apparatus equipped with the additional group for influencing the water cleaned by the magnetic field are introduced in the current paper.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 40-44"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88624997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Surface plasmon polaritons in standard optical fibres with a metallised cladding 金属包层标准光纤中的表面等离子激元极化子
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.014
Yuri N. Kulchin , Oleg B. Vitrik , Аnton V. Dyshlyuk
{"title":"Surface plasmon polaritons in standard optical fibres with a metallised cladding","authors":"Yuri N. Kulchin ,&nbsp;Oleg B. Vitrik ,&nbsp;Аnton V. Dyshlyuk","doi":"10.1016/j.pscr.2014.08.014","DOIUrl":"10.1016/j.pscr.2014.08.014","url":null,"abstract":"<div><p>A numerical study is presented of a novel approach to fibre optic SPR-sensor development for biosensing applications. The proposed technique is based on a standard SMF-28 type bent single-mode optical fibre with a thin metal film applied to its optical cladding. It was shown that by adjusting the curvature radius and the metal film thickness, one can achieve effective coupling between the fundamental mode of the fibre and the surface plasmon mode supported by the metal/surrounding medium interface through the meditation of whispering gallery modes propagating along the bent inner surface of the fibre cladding. This effect is demonstrated to enable refractometric measurements, both in the wavelength and in the intensity-modulated regimes, with a resolution of up to 10-8 RIU. The use of standard noise reduction techniques for intensity-modulated optical signals promises further increase in accuracy.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 71-74"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78476111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel mode converter based on a 2D dielectrically chiral photonic structure 一种基于二维介质手性光子结构的新型模式转换器
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.010
Jun-Qing Li, Chao-Chen Li, Bian Ying
{"title":"A novel mode converter based on a 2D dielectrically chiral photonic structure","authors":"Jun-Qing Li,&nbsp;Chao-Chen Li,&nbsp;Bian Ying","doi":"10.1016/j.pscr.2014.08.010","DOIUrl":"10.1016/j.pscr.2014.08.010","url":null,"abstract":"<div><p>We designed a novel two-dimensional periodic chiral waveguide structure, which can achieve complete TE-TM mode conversion. We study the effect of the relevant parameters of structure on the conversion efficiency and confirm that in a certain range, the mode conversion has a rather high efficiency.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 49-54"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84820222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Laser-assisted nanostructuring of metal films by means of a fibre dielectric microprobe 用纤维介电微探针激光辅助金属薄膜的纳米结构
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.012
Alexander A. Kuchmizhak , Oleg B. Vitrik , Yuri N. Kulchin
{"title":"Laser-assisted nanostructuring of metal films by means of a fibre dielectric microprobe","authors":"Alexander A. Kuchmizhak ,&nbsp;Oleg B. Vitrik ,&nbsp;Yuri N. Kulchin","doi":"10.1016/j.pscr.2014.08.012","DOIUrl":"10.1016/j.pscr.2014.08.012","url":null,"abstract":"<div><p>A simple apertureless dielectric microprobe in the form of a section of the tapered optical fibre was proposed for surface laser nanomodification. This probe enables surface <em>λ</em>/2-localisation of laser beam, as demonstrated both numerically and experimentally. The controllable formation of single through nanoholes with the minimum size down to 35 nm (∼<em>λ</em>/15) in the 50-nm Au/Pd film was shown using this probe and a 532-nm pump nanosecond laser. We also report for the first time on the formation of micro- and nanobumps, jet-like microstructures and microholes on optically thick gold films using single nanosecond laser pulses focused through the fibre dielectric apertureless probe. Both the shape and the sizes of the obtained microstructures were demonstrated to be determined by the pulse energy and film thickness.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 62-67"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85559238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A qualitative study on the bicultural experience of second-generation Korean immigrants in Germany 韩国第二代移民德国双文化体验的质性研究
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.020
Hyo-Seon Lee , Seok-Ki Kim
{"title":"A qualitative study on the bicultural experience of second-generation Korean immigrants in Germany","authors":"Hyo-Seon Lee ,&nbsp;Seok-Ki Kim","doi":"10.1016/j.pscr.2014.08.020","DOIUrl":"10.1016/j.pscr.2014.08.020","url":null,"abstract":"<div><p>This research focuses on second-generation Korean immigrants and the strategies they used to combine two different cultures – parents' and resident cultures – in their everyday lives. Using a case to reconstruct the meaning behind the strategies employed, this study aims to identify factors that influence immigrants' development when exposed to two different cultures. To investigate this development, an autobiographical interview was conducted on a second-generation Korean immigrant in Germany. The interview was analyzed through objective hermeneutics. The findings of the case study reveal how Ji-Hye Song (interviewee) was able to blend into both Korean and Germany societies, similar to a chameleon. The interviewee developed the ability to combine and control the influences of two cultures in a ‘Korean island’ located in Germany.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 2","pages":"Pages 97-109"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88092936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Combination of wastewater treatment plants and heat pumps 污水处理厂和热泵的组合
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.007
Leonid N. Alekseiko , Viacheslav V. Slesarenko , Alexander A. Yudakov
{"title":"Combination of wastewater treatment plants and heat pumps","authors":"Leonid N. Alekseiko ,&nbsp;Viacheslav V. Slesarenko ,&nbsp;Alexander A. Yudakov","doi":"10.1016/j.pscr.2014.08.007","DOIUrl":"10.1016/j.pscr.2014.08.007","url":null,"abstract":"<div><p>An analysis of the effectiveness of the heat pumps installed in the wastewater treatment plants of Vladivostok is presented. A diagram of the urban wastewater heat utilisation apparatus is shown. The primary factors affecting the performance of heat pumps using low-temperature heat sources were identified. The economic evaluation of proposed technological solutions was implemented. The actual conditions of the use of heat pumps on the object were determined in the study. The study considered the technological characteristics of aggregates and the discharge of urban wastewater.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 36-39"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90729693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Research on a monitoring terminal for a fibre grating sensing device based on Android 基于Android的光纤光栅传感设备监控终端的研究
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.004
Xu Jiang , Lili Liu , Simeng Yu , Guohui Lyu , Xiaohan Zhan
{"title":"Research on a monitoring terminal for a fibre grating sensing device based on Android","authors":"Xu Jiang ,&nbsp;Lili Liu ,&nbsp;Simeng Yu ,&nbsp;Guohui Lyu ,&nbsp;Xiaohan Zhan","doi":"10.1016/j.pscr.2014.08.004","DOIUrl":"10.1016/j.pscr.2014.08.004","url":null,"abstract":"<div><p>According to the actual needs of FBG sensing instruments in terms of intelligent terminals, software for FBG sensing monitoring systems is designed based on the current mainstream Android operating system, which runs on 3G mobile phones. The software is used to remotely access and manage a fibre optic sensing device. The use of the intelligent terminal software will enhance the level of safety monitoring instrument intelligence so that the management of the monitoring system will be more flexible, system maintenance will be more convenient, and the reliability and security of monitoring equipment can also improved; i.e., it provides good value for the optical fibre sensing application.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 1","pages":"Pages 23-28"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83193672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Methodology of a system of professional competence 专业能力体系的方法论
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.017
Maya V. Bernavskaya
{"title":"Methodology of a system of professional competence","authors":"Maya V. Bernavskaya","doi":"10.1016/j.pscr.2014.08.017","DOIUrl":"10.1016/j.pscr.2014.08.017","url":null,"abstract":"<div><p>The paper is devoted to the problem of the development of professional communicative competence. The paper addresses the structure, content, organization and methodology of developing the professional communicative competence of future IT experts. The basic components to provide integrity for an educational process that increases the efficiency of training students and aims to support their personal development are described. The paper also describes the dynamics of the process of developing professional communicative competence and integrating the proposed system into the educational process.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 2","pages":"Pages 81-84"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72677733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Professional competences necessary for the bachelor-degree-holding engineer specialising in engineering industries 具有工程行业学士学位工程师的专业能力
Pacific Science Review Pub Date : 2014-06-01 DOI: 10.1016/j.pscr.2014.08.018
Irina G. Shamshina
{"title":"Professional competences necessary for the bachelor-degree-holding engineer specialising in engineering industries","authors":"Irina G. Shamshina","doi":"10.1016/j.pscr.2014.08.018","DOIUrl":"10.1016/j.pscr.2014.08.018","url":null,"abstract":"<div><p>Considering the requirements of technical university graduates (communicative readiness, creativity, positive relation to the profession, methods of the technical and economic analysis, etc.), the notion of professional competence, based on the federal educational standards and data from the interviewing industrial employees, is highlighted as one of the professional skills required of a bachelor-degree-holding engineer working in the engineering industries.</p></div>","PeriodicalId":100998,"journal":{"name":"Pacific Science Review","volume":"16 2","pages":"Pages 85-88"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pscr.2014.08.018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81791923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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