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Ce Liang,Dequan Zhang,Xiaochun Zheng,Xiangyuan Wen,Tongjing Yan,Zhisheng Zhang,Chengli Hou 한국축산식품학회 2021 한국축산식품학회지 Vol.41 No.3
This study was aimed to compare the physicochemical properties and bacterial community structure of tray‐packaged fresh lamb meat under different storage temperatures, such as 4℃ (chilling), –1.5℃ (supercooling), –4℃ (superchilling) and –9℃ (sub-freezing). The total viable counts (TVC), total volatile base nitrogen (TVB-N), bacterial diversity and metabolic pathways were investigated. The results indicated that the shelf life of superchilling and sub-freezing storage was over 70 d, which was significantly longer than that of chilling and supercooling storage. TVC and TVB-N values showed an increasing trend and were correlated well (R2>0.92). And the TVB-N values of lamb meat were exceeded the tolerable limit (15 mg/100 g) only found under chilling and supercooling storage during storage period. At the genus level, Pseudomonas was the core spoilage bacteria then followed Brochothrix for chilling and supercooling storage. Pseudomonas, Ralstonia, Psychrobacter and Acinetobacter were the dominant spoilage bacteria for superchilling and sub-freezing storage. Furthermore, the bacterial community diversity of lamb meat stored at chilling and supercooling storage decreased with the storage time prolonged, which was opposite to the outcome of meat stored under superchilling and sub-freezing storage. For chilling and supercooling storage, the abundance of main metabolisms (carbohydrate metabolism and amino acid metabolism, etc.) of bacteria increased with the storage time prolonged, which was opposite to superchilling storage. This may be related to the bacteria community diversity and the formation of dominant spoilage bacteria. In conclusion, this work provides data for the preservation of fresh lamb meat which will benefit the meat industry.
An OT Analysis of Chinese Transliterations of English Place Names
Ce Liang 국제문화기술진흥원 2019 International Journal of Advanced Culture Technolo Vol.7 No.2
This paper focuses on the analysis of the Chinese transliterations of English place names in the Optimality Theory (OT) [1]. Three groups of monosyllabic, disyllabic and multisyllabic English place names are analyzed to represent the hierarchical ranking of both Markedness and Faithfulness constraints in terms of sound epenthesis, which is one of the most important repair strategies named the Preservation Principle [2] devised to “preserve” every source segment (or sound) of the target place names. By doing so, this paper tries to answer the question of why sound epenthesis takes place in transliterating words between languages. With the help of the established ranking of the relevant constraints, this paper explains the process of sound epenthesis formally.
Closed T-Spline Surface Reconstruction from Medical Image Data
Ce Shang,Jianzhong Fu,Zhiwei Lin,Jiawei Feng,Bin Li 한국정밀공학회 2018 International Journal of Precision Engineering and Vol.19 No.11
The reconstruction from medical image data to CAD model is an essential process of Bio-medical engineering. So far, it is still challenging to create medical model which is suitable for both design and manufacturing. This paper introduces a process of constructing a single-patched closed T-spline surface model based on medical image data. The image data is first converted into triangular mesh and then parameterized onto a rectangular domain. An iterative least-squares fitting process is proposed to finally obtain the T-spline surface model with a user-specified tolerance. In this fitting process, the smoothing part of the algorithm is redesigned, considering the flexible structure of T-mesh and the geometric complexity of the T-spline surface. Local smoothness weighting factors are introduced to the fitting formula to locally adjust the smoothness of the surface. An adaptive smoothness checking points distribution method is proposed to reduce the computational cost. These algorithms are easy to implement and the obtained model is simple in form. Compared with the STL and NURBS model, the T-spline surface model requires less storage space and can be easily modified. The obtained model is suitable for Bio-medical engineering applications like bone scaffolds design, surgical planning and related manufacturing process.
Some results on parametric Euler sums
Ce Xu 대한수학회 2017 대한수학회보 Vol.54 No.4
In this paper we present a new family of identities for parametric Euler sums which generalize a result of David Borwein et al. \cite{BBD2008}. We then apply it to obtain a family of identities relating quadratic and cubic sums to linear sums and zeta values. Furthermore, we also evaluate several other series involving harmonic numbers and alternating harmonic numbers, and give explicit formulas.
Support Vector Machine Optimization Based On Magnetic Bacteria Optimization Algorithm
Ce Yang,Zhaofeng Chen 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.9
Classification performance of support vector machine (SVM) will be influenced by its model parameters. For this problem, a new method named magnetic bacteria optimization algorithm (MBOA) that optimizes the parameters of SVM is proposed. It is tested by the UCI standard data sets and compared with the other optimization algorithms, such as particle swarm optimization (PSO). Experimental results show that the MBOA can optimize the parameters of SVM well and has better performance than the compared algorithms.