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Study on Innovation in Chinese Time-honored Enterprises Based on Organizational Routine
FAN Xin,XU Yanmei 인하대학교 정석물류통상연구원 2009 인하대학교 정석물류통상연구원 학술대회 Vol.2009 No.10
Evolutionary economics has become the focus of the international academic community since the end of the 20th century. Organizational routine is the core concept of evolutionary economics, and it is also the analysis unit on organization innovation. Chinese time-honored enterprises are the precious treasures of Chinese traditional business, witnessing the development history of Chinese economy. Unfortunately, many living time-honored enterprises have gotten into trouble, and one of the most important reasons is the lack of innovation. The study on innovation in Chinese time-honored enterprises from the perspective of organizational routines is of significance in both theoretical and practical area. This article explains the connotation of organizational routine, analyze the main characteristics of organizational routine, and researches into the evolutionary pa고 of organizational routine. In the framework of organizational routine, this paper studies the status of innovation in Chinese time-honored enterprises, and gives the corresponding strategies.
Fanxin Zeng,Xiaoping Zeng,Lingna Xiao,Zhenyu Zhang,Guixin Xuan 한국통신학회 2013 Journal of communications and networks Vol.15 No.6
Based on an interleaving technique and quadriphase periodiccomplementary sequence (CS) mates, this paper presents amethod for constructing a family of 16-quadrature amplitudemodulation(QAM) periodic CS mates. The resulting mates arise fromthe conversion of quadriphase periodic CS mates, and the period ofthe former is twice as long as that of the latter. In addition, basedon the existing binary periodic CS mates, a table on the existenceof the proposed 16-QAM periodic CS mates is given. Furthermore,the proposed method can also transform a mutually orthogonal(MO) quadriphase CS set into an MO 16-QAM CS set. Finally,three examples are given to demonstrate the validity of the proposedmethod.
New Construction Method for Quaternary Aperiodic, Periodic, and Z-Complementary Sequence Sets
Fanxin Zeng,Xiaoping Zeng,Zhenyu Zhang,Xiangyong Zeng,Guixin Xuan,Lingna Xiao 한국통신학회 2012 Journal of communications and networks Vol.14 No.3
Based on the known binary sequence sets and Gray mapping,a new method for constructing quaternary sequence sets is presented and the resulting sequence sets’ properties are investigated. As three direct applications of the proposed method, when we choose the binary aperiodic, periodic, and Z-complementary sequence sets as the known binary sequence sets, the resultant quaternary sequence sets are the quaternary aperiodic, periodic, and Z-complementary sequence sets, respectively. In comparison with themethod proposed by Jang et al., the new method can cope with either both the aperiodic and periodic cases or both even and odd lengths of sub-sequences, whereas the former is only fit for the periodic case with even length of sub-sequences. As a consequence,by both our and Jang et al.’s methods, an arbitrary binary aperiodic,periodic, or Z-complementary sequence set can be transformed into a quaternary one no matter its length of sub-sequences is odd or even. Finally, a table on the existing quaternary periodic complementary sequence sets is given as well.
New Construction Method for Quaternary Aperiodic, Periodic, and Z-Complementary Sequence Sets
Zeng, Fanxin,Zeng, Xiaoping,Zhang, Zhenyu,Zeng, Xiangyong,Xuan, Guixin,Xiao, Lingna The Korea Institute of Information and Commucation 2012 Journal of communications and networks Vol.14 No.3
Based on the known binary sequence sets and Gray mapping, a new method for constructing quaternary sequence sets is presented and the resulting sequence sets' properties are investigated. As three direct applications of the proposed method, when we choose the binary aperiodic, periodic, and Z-complementary sequence sets as the known binary sequence sets, the resultant quaternary sequence sets are the quaternary aperiodic, periodic, and Z-complementary sequence sets, respectively. In comparison with themethod proposed by Jang et al., the new method can cope with either both the aperiodic and periodic cases or both even and odd lengths of sub-sequences, whereas the former is only fit for the periodic case with even length of sub-sequences. As a consequence, by both our and Jang et al.'s methods, an arbitrary binary aperiodic, periodic, or Z-complementary sequence set can be transformed into a quaternary one no matter its length of sub-sequences is odd or even. Finally, a table on the existing quaternary periodic complementary sequence sets is given as well.
Zeng, Fanxin,Zeng, Xiaoping,Xiao, Lingna,Zhang, Zhenyu,Xuan, Guixin The Korea Institute of Information and Commucation 2013 Journal of communications and networks Vol.15 No.6
Based on an interleaving technique and quadriphase periodic complementary sequence (CS) mates, this paper presents a method for constructing a family of 16-quadrature amplitude modulation (QAM) periodic CS mates. The resulting mates arise from the conversion of quadriphase periodic CS mates, and the period of the former is twice as long as that of the latter. In addition, based on the existing binary periodic CS mates, a table on the existence of the proposed 16-QAM periodic CS mates is given. Furthermore, the proposed method can also transform a mutually orthogonal (MO) quadriphase CS set into an MO 16-QAM CS set. Finally, three examples are given to demonstrate the validity of the proposed method.
Indian Hedgehog signalling triggers Nkx3.2 protein degradation during chondrocyte maturation.
Choi, Seung-Won,Jeong, Da-Un,Kim, Jeong-Ah,Lee, Boyoung,Joeng, Kyu Sang,Long, Fanxin,Kim, Dae-Won Biochemical Society 2012 The Biochemical journal Vol.443 No.3
<P>The Ihh (Indian Hedgehog) pathway plays an essential role in facilitating chondrocyte hypertrophy and bone formation during skeletal development. Nkx3.2 (NK3 homeobox 2) is initially induced in chondrocyte precursor cells, maintained in early-stage chondrocytes and down-regulated in terminal-stage chondrocytes. Consistent with these expression patterns, Nkx3.2 has been shown to enhance chondrocyte differentiation and cell survival, while inhibiting chondrocyte hypertrophy and apoptosis. Thus, in the present study, we investigated whether Nkx3.2, an early-stage chondrogenic factor, can be regulated by Ihh, a key regulator for chondrocyte hypertrophy. We show that Ihh signalling can induce proteasomal degradation of Nkx3.2. In addition, we found that Ihh can suppress levels of Lrp (low-density-lipoprotein-receptor-related protein) (Wnt co-receptor) and Sfrp (secreted frizzled-related protein) (Wnt antagonist) expression, which, in turn, may selectively enhance Lrp-independent non-canonical Wnt pathways in chondrocytes. In agreement with these findings, Ihh-induced Nkx3.2 degradation requires Wnt5a, which is capable of triggering Nkx3.2 degradation. Finally, we found that Nkx3.2 protein levels in chondrocytes are remarkably elevated in mice defective in Ihh signalling by deletion of either Ihh or smoothened. Thus these results suggest that Ihh/Wnt5a signalling may play a role in negative regulation of Nkx3.2 for appropriate progression of chondrocyte hypertrophy during chondrogenesis.</P>