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High Efficient Consistency Maintenance Strategy of Real-time String Text Editing Systems
Liping Gao,Wenfeng Tang 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.10
The idea of address space transformation provides a new way for concurrency control. During concurrent processing, it retraces the document status back to the state when the operations are generated to maintain consistency. However the previous concurrency processes strategy is based on single characters, the transmission cost during processing is too high, especially when the network is unstable. Due to this problem, this paper presents a consistency maintenance strategy based on string editing operations, and proposes the string splitting mechanism combined with the idea of the address space transformation in order to maintain consistency.
Si Tan,Jianmin Tang,Wenjing Shi,Zhuwei Wang,Yuanyuan Xiang,Tingwei Deng,Xiaoxu Gao,Wenfeng Li,Shengyou Shi 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.3
The aim of this study was to investigate the effects of three different drying methods, freeze drying (FD), vacuum drying (VD) and oven drying (OD) on phenolic contents and antioxidant activities of litchi fruits. 20 polyphenols were exactly identified in the litchi fruits by UPLC-QqQ/MS. Significant losses were observed in the contents of total polyphenols and antioxidant activities in the dried litchi when compared with the fresh litchi. Principle component analysis indicated that there was significant difference of phenolic component between the use of thermal drying (VD and OD) and FD. Our results suggest that FD is the optimum drying method for litchi fruits considering the content of total polyphenols and antioxidant activities.