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Articles by W. XU
Total Records ( 2 ) for W. XU
  L.D. XIAO , K.S. MAI , Q.H. AI , W. XU , X.J. WANG , W.B. ZHANG and Z.G. LIUFU
  A 10-week feeding trial was conducted to determine the optimal requirement of cobia (Rachycentron canadum Linneaus) for dietary ascorbic acid (AA). Graded levels of L-ascorbyl-2-polyphosphate (LAPP) were supplemented in basal diet to formulate six semi-purified diets containing 2.70 (the control diet), 8.47, 28.3, 80.6, 241 and 733 mg AA equivalent kg−1 diet, respectively. Each diet was randomly fed to triplicate groups of fish in flow-through plastic tanks (300 L), and each tank was stocked with 25 fish with average initial weight of 4.59 ± 0.36 g. Observed deficiency signs included poor growth, higher mortality and lower feeding rate (FR) in the fish of the control group. Fish fed the control diet had significantly lower weight gain (WG), lower feed efficiency ratio (FER) and lower tissue AA concentrations in fish liver and muscle. With the increase of dietary AA, the survival, WG, FER, hepatic and muscular AA concentrations of cobia significantly increased and then levelled off. The dietary AA requirement of cobia was estimated to be 44.7 mg kg−1 based on WG, 53.9 mg kg−1 or 104 mg kg−1 based on either hepatic or muscular AA concentration, respectively.
  J.K. Zhang , W. Xu and D. Ewins
  This paper describes the use of a new distributed middleware technology ‘Web Services’ in the proposed Healthcare Information System (HIS) to address the issue of system interoperability raised from existing Healthcare Information systems. With the development of HISs, hospitals and healthcare institutes have been building their own HISs for processing massive healthcare data, such as, systems built up for hospitals under the NHS (National Health Service) to manage patients’ records. Nowadays many healthcare providers are willing to integrate their systems’ functions and data for information sharing. This has raised concerns in data transmission, data security and network limitation. Among these issues, system and language interoperability are one of most obvious issues since data and application integration is not an easy task due to differences in programming languages, system platforms, Database Management Systems (DBMS) used within different systems. As a new distributed middleware technology, Web service brings an ideal solution to the issue of system and language interoperability. Web service has been approved to be very successful in many commercial applications (e.g., Dell computer, etc.), however it is different to healthcare information system. As the result, Web Service-based Integrated Healthcare Information System (WSIHIS) is proposed to address the interoperability issue of existing HISs but also to introduce this new technology into the healthcare environment.
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