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| 1 | Certificateless Public Key Encryption with Keyword Search显示文摘Public Key Encryption with Keyword Search(PEKS),an indispensable part of searchable encryption,is stock-intrade for both protecting data and providing operability of encrypted data.So far most of PEKS schemes have been established on Identity-Based Cryptography(IBC) with key escrow problem inherently.Such problem severely restricts the promotion of IBC-based Public Key Infrastructure including PEKS component.Hence,Certificateless Public Key Cryptography(CLPKC) is efficient to remove such problem.CLPKC is introduced into PEKS,and a general model of Certificate/ess PEKS(CLPEKS) is formalized.In addition,a practical CLPEKS scheme is constructed with security and efficiency analyses.The proposal is secure channel free,and semantically secure against adaptive chosen keyword attack and keyword guessing attack.To illustrate the superiority,massive experiments are conducted on Enron Email dataset which is famous in information retrieval field.Compared with existed constructions,CLPEKS improves the efficiency in theory and removes the key escrow problem. | PENG Yanguo CUI Jiangtao PENG Changgen YING Zuobin | 2014 | China Communications2014，11，11： | 21 |
| 2 | PKS5,a SNF1-related kinase,interacts with and phosphorylates NPR1,and modulates expression of WRKY38 and WRKY62显示文摘NPR1 (Nonexpressor of Pathogenesis-Related gene 1) is a major co-activator of plant defense. Phosphorylations of NPR1 play impor-tant roles in fine-tuning its activity, however a kinase corresponding to such modification remains uncharacterized. Here, we report that NPR1 interacts with PKS5 (SOS2-like Protein Kinase 5). The AKR (AnKyrin Repeats) motif of NPR1 is required for this interaction. PKS5 phosphorylates NPR1 at the C-terminal region. Expression of PKS5 is induced quickly by Pseudomonas syringae pv. tomato DC3000. Expression level of two NPR1 target genes, WRKY38 and WRKY62, is reduced and/or delayed in pks5 mutants. Moreover, the expression of WRKY38 and WRKY62 displays a similar pattern in npr1-1pks5-1 double mutant comparing to that in npr1-1. Our results suggest that PKS5 functions at the upstream of NPR1 and might mediate expression of WRKY38 and WRKY62 possibly by interacting with and phosphorylating NPR1. | Changgen Xie Xiaona Zhou Xingwang Deng Yan Guo | 2010 | Journal of Genetics and Genomics2010，37，6： | 14 |
| 3 | Bayesian mechanism for rational secret sharing scheme显示文摘We consider the cooperation of rational parties in secret sharing. We present a new methodology for rational secret sharing both in two-party and multi-party settings based on Bayesian game. Our approach can resolve the impossible solutions to a rational secret sharing model. First, we analyze the 2-out-of-2 rational secret sharing using Bayesian game, which makes us able to consider different classes of the protocol player(for'good' and 'bad' players) and model attributes such as any other parties' preferences and beliefs that may affect the outcome of the game. Thus, the new model makes us able to reason rational secret sharing from the perspective of Bayesian rationality, a notion that may be in some scenarios more appropriate than that defined as per pure rational. According to these analyses, we propose a Bayesian rational protocol of 2-out-of-2 secret sharing. Also, our techniques can be extended to the case of t-out-of-n Bayesian rational secret sharing easily.Our protocol is adopted only by the parties in their decision-making according to beliefs and Bayes rule, without requiring simultaneous channels and can be run over asynchronous networks. | TIAN YouLiang PENG ChangGen LIN DongDai MA JianFeng JIANG Qi JI WenJiang | 2015 | Science China(Information Sciences)2015，58，5： | 9 |
| 4 | One-Time Rational Secret Sharing Scheme Based on Bayesian Game显示文摘The rational secret sharing cannot be realized in the case of being played only once,and some punishments in the one-time rational secret sharing schemes turn out to be empty threats.In this paper,after modeling 2-out-of-2 rational secret sharing based on Bayesian game and considering different classes of protocol parties,we propose a 2-out-of-2 secret sharing scheme to solve cooperative problem of a rational secret sharing scheme being played only once.Moreover,we prove that the strategy is a perfect Bayesian equilibrium,adopted only by the parties in their decision-making according to their belief system (denoted by the probability distribution) and Bayes rule,without requiring simultaneous channels. | TIAN Youliang MA Jianfeng PENG Changgen CHEN Xi JI Wenjiang | 2011 | Wuhan University Journal of Natural Sciences2011，16，5： | 8 |
| 5 | Large eddies induced by local impulse at wall of boundary layer with pressure gradients显示文摘Large eddies induced by local impulse at the wall with pressure gradients in the boundary layer was studied by direct numerical sim- ulations. The results show that the amplitude evolution, the high and low speed stripes, the formation of streamwise vortices, the ejection and sweeping, inflexions and distortion at the mean velocity profiles, as well as other characteristics, are consistent with the experimental and other numerical results. It is also found that large eddies are easy to be excited with adverse pressure gradient in the boundary layer, and the growth of amplitudes, formation of streamwise vortices and the influencing area etc., are much larger than those with favorable pressure gradient in the boundary layer. In contrast, large eddies are hardly to be induced through local impulse disturbance at the wall with favorable pressure gradients in the boundary layer. | Changgen Lu Weidong Cao Yanmei Zhang Jintao Peng | 2008 | Progress in Natural Science:Materials International2008，18，7： | 3 |
| 6 | Numerical solution for dynamics of pneumatic DTH hammer system显示文摘The pneumatic down-the-hole(DTH) hammer is one of the efficient equipments used in medium hard to very hard rock drilling frield,and any change in its structure design affects all performance parameters of a pneuamtic DTH hammer directly.Yet,owing to the complexity of the dynamic interaction among the components in DTH hammer systems,until now it has been difficult to obtain reliable estimates of the design parameter affects.Thus providing an design parameter optimization and the layout of dynamics behavior of DTH hammer is of great importance.This paper documents the development and solution of a computational model for the dynamic response of a pneumatic DTH hammer.The model consists of rigid piston dynamics equation and chamber thermodynamics equations.The resulting model represented by a set of coupled nonlinear differential equations were computed in Visual C++ program.The developed solutions are used to perform a parametric study to illustrate the inffluence of the piston mass and supply pressure on the impact performance of DTH hammer system. | QU Yegao,BU Changgen,LIU Baolin,Lian Yinjun(China University of Geosciences,Beijing 100083,China) | 2009 | 探矿工程(岩土钻掘工程)2009，36，S1： | 2 |
| 7 | Research into a theoretical mode of coherent structures in the wall region of a turbulent boundary layer induced by a wall local disturbance显示文摘The idea of applying direct numerical simulation (DNS), a theoretical mode of coherent structures in the wall region of a turbulent boundary layer, has been discussed in the literature. The various aspects of the formation mechanism of the coherent structures agree well with both DNS and experimental results. In addition, a close relationship has been found between the evolutional characteristics and factors such as the magnitude and structural distribution of the wall local impulse disturbance, and the amount of energy a local disturbance introduces into the wall region. Moreover, these parameters play key roles in the formation of coherent structures near the wall region of a turbulent boundary layer. Therefore, the wall local impulse disturbance provides a theoretical model for triggering the formation of coherent structures in the wall region of a turbulent boundary layer. | Changgen Lu Qinjuan Qi | 2009 | Progress in Natural Science:Materials International2009，19，9： | 2 |
| 8 | Boundary-layer receptivity under interaction of free-stream turbulence and localized wall roughness显示文摘The boundary-layer receptivity under the interaction of free-stream turbulence(FST) and localized wall roughness is studied by the direct numerical simulation(DNS) and the fast Fourier transform. The results show that the Tollmien-Schlichting(T-S) wave packets superposed by a group of stability, neutral, and instability T-S waves are generated in the boundary layer. The propagation speeds of the T-S wave packets are calculated. The relation among the boundary-layer receptivity response, the amplitude of the FST, the roughness height, and the roughness width is determined. The results agree well with Dietz's experiments. The effect of the roughness geometries on the receptivity is also studied. | Luyu SHEN Changgen LU | 2016 | Applied Mathematics and Mechanics(English Edition)2016，37，3： | 2 |
| 9 | Grey Relational Analyzing Between Human Qulity and Accident显示文摘 | Jing Guoxun Wu Weidong Feng Changgen | 2000 | The Journal of Grey System2000，，3： | 1 |
| 10 | Application of the technique of local grooving top-caving with controlled explosion in disposing the abandoned-stope of Dongtongyu Gold Mine显示文摘 | LI Junping FENG Changgen | 2006 | Progress in Safety Science and Technology2006，6，： | 1 |
| 11 | Modeling of individual coherent structures in wall region of a turbulent boundary layer显示文摘 | Heng Zhou Changgen Lu Jisheng Luo | 1989 | Science in China Series A: Mathematics1989，，6： | 1 |
| 12 | Preliminary investigation of some large landslides triggered by the 2008 Wenchuan earthquake, Sichuan Province, China显示文摘 | Fawu Wang Qiangong Cheng Lynn Highland Masakatsu Miyajima Huabin Wang Changgen Yan | 2009 | Landslides2009，，1： | 1 |
| 13 | A statistical analysis of coal mine accidents caused by coal dust explosions in China显示文摘 | ZHENG Yuanpan FENG Changgen JING Guoxun | 2009 | Journal of Loss Prevention in the Process Industries2009，22，4： | 1 |
| 14 | Preliminary investigation of some large landslides triggered by the 2008 Wenchuan earthquake, Sichuan Province, China显示文摘 | Fawu Wang Qiangong Cheng Lynn Highland Masakatsu Miyajima Huabin Wang Changgen Yan | 2009 | Landslides2009，，1： | 1 |
| 15 | Differential SW16.1 allelic effects and genetic backgrounds contributed to increased seed weight after soybean domestication显示文摘Although seed weight has increased following domestication from wild soybean(Glycine soja) to cultivated soybean(Glycine max), the genetic basis underlying this change is unclear. Using mapping populations derived from chromosome segment substitution lines of wild soybean, we identified SW16.1 as the causative gene underlying a major quantitative trait locus controlling seed weight.SW16.1 encodes a nucleus-localized LIM domaincontaining protein. Importantly, the GsSW16.1 allele from wild soybean accession N24852 had a negative effect on seed weight, whereas the GmSW16.1 allele from cultivar NN1138-2 had a positive effect. Gene expression network analysis,reverse-transcription quantitative polymerase chain reaction, and promoter-luciferase reporter transient expression assays suggested that SW16.1 regulates the transcription of MT4, a positive regulator of seed weight. The natural variations in SW16.1 and other known seed weight genes were analyzed in soybean germplasm. The SW16.1 polymorphism was associated with seed weight in 247 soybean accessions, showing much higher frequency of positive-effect alleles in cultivated soybean than in wild soybean. Interestingly,gene allele matrix analysis of the known seed weight genes revealed that G. max has lost 38.5%of the G. soja alleles and that most of the lost alleles had negative effects on seed weight. Our results suggest that eliminating negative alleles from G. soja led to a higher frequency of positive alleles and changed genetic backgrounds in G. max,which contributed to larger seeds in cultivated soybean after domestication from wild soybean.Our findings provide new insights regarding soybean domestication and should assist current soybean breeding programs. | Xianlian Chen Cheng Liu Pengfei Guo Xiaoshuai Hao Yongpeng Pan Kai Zhang Wusheng Liu Lizhi Zhao Wei Luo Jianbo He Yanzhu Su Ting Jin Fenfen Jiang Si Wang Fangdong Liu Rongzhou Xie Changgen Zhen Wei Han Guangnan Xing Wubin Wang Shancen Zhao Yan Li Junyi Gai | 2023 | Journal of Integrative Plant Biology2023，65，7： | 1 |
| 16 | Simulation analysis of indoor gas explosion damage 显示文摘 | QIAN Xinming CHEN Linshun FENG Changgen | 2003 | Journal of Beijing Institute of Technology ( English version)2003，12，3： | 1 |
| 17 | Grey Relational Analysis the Relationship between Human Quality and Accidents显示文摘 | Jing Guoxun Wu Weidong Feng Changgen | 2000 | The Journal of Grey System2000，12，3： | 1 |
| 18 | Fair (t,n) threshold secret sharing scheme 显示文摘 | TIAN Youliang MA Jianfeng PENG Changgen | 2013 | lET Information Security2013，7，2： | 1 |
| 19 | Preliminary investigation of some large landslides triggered by the 2008 Wenchuan earthquake, Sichuan Province, China显示文摘 | Fawu Wang Qiangong Cheng Lynn Highland Masakatsu Miyajima Huabin Wang Changgen Yan | 2009 | Landslides2009，，1： | 1 |
| 20 | Velocity profiles in a closed,unbaffied vessel:Comparison between experimental LDV data and numerical CFD predictions显示文摘 | Armenante P M Luo Changgen Chou C C | 1997 | Chemical Engineering Science1997，52，20： | 1 |
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