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461 results on '"Wang, ChenYing"'

10. Research Progress in Heterologous Expression, Fermentation and Application of Microbial Transglutaminase

Author

YAN Wenhui, SUN Xinjie, XI Xiangheng, WANG Chenying, REN Xidong

Subjects
transglutaminase, activation mechanism, fermentation, heterologous expression, application, Food processing and manufacture, TP368-456
Abstract

Transglutaminase (TG) is a widely used enzyme with excellent protein cross-linking capacity. TG is commonly found in plants, animals and microorganisms, and microbial TG (mTG) is widely used in industrial production and application because of its good enzymatic properties. This paper describes the physicochemical properties and activation mechanism of mTG, and summarizes recent progress in mTG production by wild and different genetically engineered strains. Meanwhile, the application and potential of mTG in various industrial fields are reviewed. This review is expected to provide a reference and new ideas for research on the potential of mTG for industrial production and application.

Published
2023
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25. Accelerate CU Partition in HEVC using Large-Scale Convolutional Neural Network

Author

Wang, Chenying, Yu, Li, and Wang, Shengwei

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

High efficiency video coding (HEVC) suffers high encoding computational complexity, partly attributed to the rate-distortion optimization quad-tree search in CU partition decision. Therefore, we propose a novel two-stage CU partition decision approach in HEVC intra-mode. In the proposed approach, CNN-based algorithm is designed to decide CU partition mode precisely in three depths. In order to alleviate computational complexity further, an auxiliary earl-termination mechanism is also proposed to filter obvious homogeneous CUs out of the subsequent CNN-based algorithm. Experimental results show that the proposed approach achieves about 37% encoding time saving on average and insignificant BD-Bitrate rise compared with the original HEVC encoder., Comment: 4 pages, 2 figures

Published
2018

26. The $r$-derangement numbers

Author

Wang, Chenying, Miska, Piotr, and Mező, István

Subjects
Mathematics - Number Theory, Mathematics - Combinatorics
Abstract

The classical derangement numbers count fixed point-free permutations. In this paper we study the enumeration problem of generalized derangements, when some of the elements are restricted to be in distinct cycles in the cycle decomposition. We find exact formula, combinatorial relations for these numbers as well as analytic and asymptotic description. Moreover, we study deeper number theoretical properties, like modularity, $p$-adic valuations, and diophantine problems., Comment: Published in Discrete Mathematics

Published
2018
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37. A new proof for a nonterminating 'strange' hypergeometric evaluation of Gasper and Rahman

Author

Wang, Chenying and Chen, Xiaojing

Subjects
Mathematics - Classical Analysis and ODEs, Mathematics - Combinatorics
Abstract

An elementary proof is given for a nonterminating "strange" cubic $_7F_6$-series summation formula of Gasper and Rahman, through the modified Abel lemma on summation by parts. As a byproduct, an interesting nonterminating $_3F_2({3}/{4})$-series identity conjectured by Gosper, is also rederived., Comment: This paper has been withdrawn by the author due to some mistakes

Published
2014

49. Partial Sums of Two Quartic q-Series

Author

Chu, Wenchang and Wang, Chenying

Subjects
Mathematics - Classical Analysis and ODEs
Abstract

The partial sums of two quartic basic hypergeometric series are investigated by means of the modified Abel lemma on summation by parts. Several summation and transformation formulae are consequently established.

Published
2009
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