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This research aimed to explore the challenges designers face when using asynchronous collaboration methods across different time zones. A literature review revealed a knowledge gap in comparing synchronous and asynchronous collaboration methods and in comparing design students and professional practice. To fill this gap, a study was conducted with a group of engineering design students and practitioners asking them to conduct two design exercises, one synchronously and one asynchronously. The results highlighted unique challenges faced and that experience of design process had little effect on performance when using unfamiliar design tasks. The study contributes new insights and firsthand recommendations for design teams, educators and software developers.

Selection of suitable computer-supported collaborative design (CSCD) technologies is crucial to facilitate successful projects. This paper presents the first systematic method for engineering design teams to evaluate and select the most suitable CSCD technologies comparing technology functionality and project requirements established in peer-reviewed literature. The paper first presents 220 factors that influence successful CSCD. These factors were then systematically mapped and categorised to create CSCD requirement statements. The novel evaluation and selection method incorporates these requirement statements within a matrix and develops a discourse analysis text processing algorithm with data from collaborative projects to automate the population of how technologies impact the success of CSCD in engineering design teams. This method was validated using data collected across 3 years of a student global design project. The impact of this method is the potential to change the way engineering design teams consider the technology they use and how the selection of appropriate tools impacts the success of their CSCD projects. The development of the CSCD evaluation matrix is the first of its kind enabling a systematic and justifiable comparison and technology selection, with the aim of best supporting the engineering designers collaborative design activity.

China publishes 5,052 academic journals in science, technology, and medicine. It ranks third in terms of the number of publications, behind the United States and the United Kingdom. In recent years, English-language journals have increased annually in China, but there are only just over 300 English journals published, accounting for about 6.5% of all published journals, whereas Chinese journals account for about 93.5%. Using 30 years’ data from the Chinese science citation database (CSCD), I compiled statistics on the average number of papers, the average number of references, the language of references, the distribution of author age, etc. I also analyzed the role of Chinese STM journals in terms of their academic significance. It is observed that the average number of journal papers and references per paper has been on the rise in the past 30 years. English literature accounts for a large proportion of the references, and the authors are young. The conclusion is that Chinese journals are important for young scholars to publish their papers, and Chinese scholars widely use international research results for reference in their research.

This study used all-journal data and systematic random sampling data to primarily determine the average number of issues per year and the average number of articles per issue among the Science Citation Index (SCI), Social Sciences Citation Index (SSCI), Chinese Science Citation Database (CSCD) (China), and Chinese Social Sciences Citation Index (CSSCI) (China) journals. The random sampling data were based on 5% SCI and SSCI samples and 10% CSCD and CSSCI samples. The objectives were to have a 2018–2019 record of the journal publication frequency detailing the number of articles per issue and the number of issues per year for the journals on the lists, as well as to compare Chinese journals’ data with those of international journals, in the perspective of scholarly publishing transformations in the world as well as in China during the past two decades. The study found that the average number of issues per year for SCI, SSCI, CSCD, and CSSCI journals was 10.95, 5.18, 9.17, and 7.87, respectively, and that CSCD/CSSCI journals publish more articles than SCI/SSCI, with CSSCI journals publishing significantly more articles per year than SSCI journals. The author fees for non-OA journals in China could play a role in the higher number of articles. The “mega journal” phenomenon does not seem to be a common practice among all the journal lists studied.

In order to effectively integrate the superior resources in the field of production design and cooperate every procedure in the process of design and manufacture, this paper proposes a kind of cooperative product design for knowledge-oriented management. According to knowledge classification, this research can be divided into product design and program design; along with the form of CSCD’s dynamic distribution, this research also analyzes the knowledge management architecture under the collaborative environment; furthermore, it then establishes the knowledge-oriented cooperation environmental management system under the logical framework. Finally, through the example of special vehicle co-operation projects, this paper gives illustration to the research and verifies the actual effectiveness of the method.

As the rapid growth of three-dimensional (3D) designing approaches to hydraulic structures designing in the last few years, computer supported collaborative design (CSCD) methods and systems are becoming more and more important and essential to the field of hydraulic engineering. This paper introduces the basic concepts of 3D design and CSCD, gives the necessity of 3D and CSCD methods in hydraulic structure designing, conducts a survey of the development stages of hydraulic structure designing and finally proposes a potential way to improve the design process and productivities in the hydraulic structure 3D designing.

The Journal of Acupuncture and Tuina Science, a peer- review journal with an international scope （ISSN 1672-3597, CN 31-1908/R, Bimonthly）, is embodied by ＇Springer Verlag＇ Database, Index of Copernicus （IC） and Chinese Science Citation Database （CSCD）.

Editor in Chief Chen Han-ping The Journal of Acupuncture and Tuina Science, a peer- review journal with an international scope （ISSN 1672-3597, CN 31-1908/R, Bimonthly）, is embodied by ‘ Springer Verlag＇ Database, Index of Copernicus （IC） and Chinese Science Citation Database （CSCD）. You can search full text on htto：//www.springerlink.com/content/1672-3597. http：//epub.cnki.net/kns/oldnavi/n item.aspx？naviid= 100＆base id=zjtn＆navilink=j ournal＋of＋acupuncture＋and＋tuina＋science. and http：//c.wanfangdata.com.cn/oeriodical-zitnvx-e.aspx.MANUSCRIPT INFORMATION Scope of contributions We welcome manuscripts in Chinese or English on all aspects of acupuncture-moxibustion and tuina （massage） from any part of the world. We publish original research article, review article, case report.

The Journal of Acupuncture and Tuina Science, a peerreview journal with an international scope （ISSN 1672-3597, CN 31-1908/R, Bimonthly）, is embodied by ＇Springer Verlag＇ Database, Index of Copernicus （IC） and Chinese Science Citation Database （CSCD）.

Distributed cooperative design is carried out by teams located at different places. The regional limitation must be overcome to facilitate information exchange, knowledge processing, and design result exchange, etc., among the teams. This paper proposes a multi-agent based model for cooperative design. The model consists of five types of agents according to cooperative design environment and design activities. Integrated fine grained security mechanism into different agents is the major feature of this model.