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Bibliometric analysis on scientific productivity of NIMTE,CAS

This study analyzes the scientific productivity of the Institute of Material Science and Engineering of Chinese Academy of Sciences (NIMTE, CAS) from 2006 to 2010. The study uses data from the Web of Science (WOS) and Engineering Village (EI) databases and examines the number of articles, research subjects, international collaboration, authors cited by NIMTE articles, and patents.

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Bibliometric analysis on scientific productivity of NIMTE,CAS

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  1. Bibliometric analysis on scientific productivity of NIMTE,CAS P.H.Lui and H.B.Qiu National Science Library, Chinese Academy of Sciences

  2. Institute of Material Science and Engineering of Chinese Academy of Sciences (NIMTE,CAS) The Institute of Material Science and Engineering of Chinese Academy of Sciences (NIMTE,CAS) was found in Ningbo at 2006.

  3. Data Source In this study, the main data source of analysis was derived from the WOS (including SCI & ISTP) database and Engineering Village (EI) database. The retrieve word was the name of the institute, the retrieve time period starts from 2006 to 2010 and the retrieve time is September 1st, 2010. The total effective number of the thesis involved is 428.

  4. Outputs Data in this study was required on Sept 1st, 2010 using the Address= “Ningbo Inst Mat Technol & Engn” selecting “all the years”. Totally 231 articles are gotten from the database as SCI-Expand and 27 articles as ISTP, which called Conference Proceedings Citation Index-Science (CPCI-S) now. For EI part, we turned to expert search of EI-compendex database using author affiliation retriever in all forms of NIMTE stored in Engineering Village Database and got 169 articles at last. Because of the limitation of the retrieval time, the data in 2010 is partial.

  5. 2006-2010:Number of Articles AARG 93% The total number of WOS articles from 2006 to 2000 is 428. From been established, the number of articles increased obviously and the increase rate is about 93% in average from the year of 2006 to 2009.

  6. Research Subjects NIMTE have six business unites such as polymers and composites, magnetic materials and advanced devices, surface engineering & remanufacture, functional materials and nanodevices, fuel cell & energy technology and fibers. Most published papers concentrated on materials, physics and chemistry science of common subject catalogue for that NIMTE researchers’ education background involves in the above branch of learning.

  7. International cooperation NIMTE has paid an extraordinary attention to it and have already achieved great successes. NIMTE involved in diverse international activities, such as cooperate with U.S.A, Japan and Australia, actively communicating with world-famous institutes.

  8. Research organization From the SCI article we can also found that its authors from China have a strong connection with the advanced research organization in turn from USA, Japan and Australia, etc. This kind of collaboration leaded demotic research of CAS rapidly to the world class research level.

  9. Authors cited by NIMTE articles The dates showed which famous experts were being followed and cited by NIMTE authors, taking INOUE A for example, who came from Kyushu University in Japan, is one of the authorities in magnetic material research of the world.

  10. Number of SCI Articles Cited There are 231 SCI articles published from 2006 to 2010, among which many thesis were cited by other papers. 1 to 5 time cited articles take part in 37%, 6 to 10 is 3%, 11 to 15 is 3%. It is significant that the most cited article was cited 35 times, which published in LANGMUIR, 23 (19): 9802-9807 on SEP 11 2007, and the work is mainly involve in silver hierarchical bowl-like array.

  11. Number of Articles in SCI,ISTP,EI by NIMTE Some experts of NIMTE published excellence work on SCI covered journals for many times since joining in the institute. Others published their papers in the journal included in EI. More than one scientist published over 20 SCI articles and over 10 EI articles, which showed that some scholars whose were so fruitful and NIMTE attract some hardworking experts.

  12. Clusters and Co-words Map of SCI Articles By co-words analysis it can be found that NIMTE lucubrate on the microstructure & nanostructure materials these years, the ZnO or magnetic material (coercivit) will become the next hotspot the NIMTE scientists concentrate on.

  13. Number of Patents Totally 123 patents were got from the SIPO of P.R.C among the year 2005 to 2010.The patents date was collected from China intellectual properties net using the CNIPR software to analysis. Patent application increased sharply after 2007 and authorized patents after 2008.

  14. Distribution of the Research Subjects The patent mainly concentrates in exploring the technology on: “class C: Chemistry, Metallurgy” “class H: Electricity”. The research field owning most patent distributed on coating technology (C23C), cell preparation (H01M) and organic polymer (C08G).

  15. Distribution of Applied Patents Most patents of NMITE were applied in 2008, which concentrated in cell preparation (H01M), organic polymer (C08G) and coating technology (C23C), while metallurgy (C22C), oxide (C04B) and magnet materials (H01F) in 2009. Patents application on coating technology (C23C) kept steadily after 2008.

  16. Pantents Application And Its Collaboration Most patents of NMITE were Exclusive Patents, which account for 94.7%, while 5.3% of the patents were cooperated with its partners.

  17. Distribution of Top 10 applicators • Most of them applied their patents in the year of 2008 and 2009; • The core technology of NIMTE developed rapidly in a short period since established.

  18. Clusters Analysis • Keywords are the main subject of one research paper concentrate on and through which one could clearly understand the topic or main idea of the publications. • By Keywords analysing , we can be found the main field NIMTE lucubrate on.

  19. Knowledge Mapping • A: SOFC,cell stack, cathode B: vacuum chamber,device,diaphragm • C: preparative method, ERF, titanyl oxalate D: Nd-Fe-B,alloy,material • E: composite materials,fiber,preparative method

  20. Conclusion Bibliometric analysis and knowledge mapping were applied to research the scientific productivity of SCI, EI, ISTP articles and patents of NIMTE, CAS from 2006 to 2010. The published papers and applied patents grown rapidly during these years and the paper authors took extensively collaboration with many research organizations of the world. Some research subjects such as microstructure or nanostructure lead the main research field of NIMTE. This institute has already formed five patents group in past few years which can be illustrated from the knowledge map and bibliometric analysis results.

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