• 제목/요약/키워드: DALI

검색결과 63건 처리시간 0.021초

One-round Secure Key Exchange Protocol With Strong Forward Secrecy

  • Li, Xiaowei;Yang, Dengqi;Chen, Benhui;Zhang, Yuqing
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제10권11호
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    • pp.5639-5653
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    • 2016
  • Security models for key exchange protocols have been researched for years, however, lots of them only focus on what secret can be compromised but they do not differentiate the timing of secrets compromise, such as the extended Canetti-Krawczyk (eCK) model. In this paper, we propose a new security model for key exchange protocols which can not only consider what keys can be compromised as well as when they are compromised. The proposed security model is important to the security proof of the key exchange protocols with forward secrecy (either weak forward secrecy (wFS) or strong forward secrecy (sFS)). In addition, a new kind of key compromise impersonation (KCI) attacks which is called strong key compromise impersonation (sKCI) attack is proposed. Finally, we provide a new one-round key exchange protocol called mOT+ based on mOT protocol. The security of the mOT+ is given in the new model. It can provide the properties of sKCI-resilience and sFS and it is secure even if the ephemeral key reveal query is considered.

Morphological Identification and Phylogenetic Analysis of Laelapin Mite Species (Acari: Mesostigmata: Laelapidae) from China

  • Yang, Huijuan;Yang, Zhihua;Dong, Wenge
    • Parasites, Hosts and Diseases
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    • 제60권4호
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    • pp.273-279
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    • 2022
  • Laelapinae mites are involved in transmission of microbial diseases between wildlife and humans, with an impact on public health. In this study, 5 mite members in the subfamily Laelapinae (laelapin mites; LM) were morphologically identified by light microscopy, and the phylogenetic relationship of LM was analyzed in combination with the sequence information of part of the LM cytochrome oxidase subunit I (cox1) gene. The morphological identification revealed that 5 mites belonged to the genera Laelaps and Haemolaelaps, respectively. Sequence analysis showed that the ratio of nonsynonymous mutation rate to synonymous mutation rate of LM was less than 1, indicating that the LM cox1 gene had undergone purifying selection. Phylogenetic analysis showed that the Laelapinae is a monophyletic group. The genera Haemolaelaps and Hyperlaelaps did not separated into distinct clades but clustered together with species of the genus Laelaps. Our morphological and molecular analyses to describe the phylogenetic relationships among different genera and species of Laelapinae provide a reference for the improvement and revision of the LM taxonomy system.

BS2fit: A NEW TOOL FOR ANALYSING SPECTRA AND COLOR-MAGNITUDE DIAGRAMS OF GALAXIES AND CLUSTERS

  • LI, ZHONGMU;MAO, CAIYAN
    • 천문학논총
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    • 제30권2호
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    • pp.539-541
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    • 2015
  • We present a new tool for studying the spectral energy distributions (SEDs) and color-magnitude diagrams (CMDs) of galaxies and star clusters, BINARY STAR TO FIT (BS2fit). A key feature of this tool is that it takes the effects of binaries, stellar rotation and star formation history into account. It can be used to determine many parameters, including distance, extinction, binary fraction, rotational star fraction, and star formation history. Because more factors are included than in previous tools, BS2fit can potentially give new insight into the properties of galaxies and clusters. One can contact the authors for cooperation and helps via.

세미나 - 한국제지연합회, 제지산업 발전 방안 세미나

  • 임남숙
    • 프린팅코리아
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    • 제14권10호
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    • pp.98-99
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    • 2015
  • 한국제지연합회(회장 최병민)는 지난 9월 9일 오후 2시 대한상공회의소 중회의실에서 한국 제지산업의 도전과 기회라는 주제로 제지산업 발전 방안 세미나를 개최했다. 핀란드의 글로벌 제지 컨설팅기업 포리(Poyry)의 Timo Suhonen 핀란드 반타지역 대표, DALI ZHANG 중국 사업부 임원이 세계 제지산업의 동향 및 전망에 대해 발표했다.

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Research Advances of Leptotrombidium scutellare in China

  • Xiang, Rong;Guo, Xian-Guo
    • Parasites, Hosts and Diseases
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    • 제59권1호
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    • pp.1-8
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    • 2021
  • Leptotrombidium scutellare is one of the 6 main vectors of scrub typhus in China. It has been found in more than 15 provinces of China. Especially in Yunnan, it was found to be mainly distributed in some mountainous areas with high altitude, low temperature and low precipitation. Rodents and some other small mammals were the most common hosts of L. scutellare. To date, more than 40 host species of L. scutellare have been recorded with very low host specificity, and the main hosts varied in different geographical regions. L. scutellare had a strong resistance against the cold environment, and the temperature and humidity were 2 important factors affecting its growth and development. Among different individuals of their rodent hosts, L. scutellare mites often showed an aggregated distribution pattern, which reflected the interspecific cooperation of the mites. The chromosome karyotype of L. scutellare was 2n=16 and all the 8 pairs of chromosomes were short rod-shaped with metacentric or sub-metacentric types. The isozyme spectrum supported that L. scutellare, L. deliense and L. rubellum were in the same species group. Based on the natural infection, experimental transmission and epidemiological evidence, L. scutellare has been eventually confirmed as the second major vector of scrub typhus in China, which is second only to L. deliense.

단백질 3차원 구조의 지역적 유사성을 이용한 Flexible 단백질 구조 정렬에 관한 연구 (A Study of Flexible Protein Structure Alignment Using Three Dimensional Local Similarities)

  • 박찬용;황치정
    • 정보처리학회논문지B
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    • 제16B권5호
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    • pp.359-366
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    • 2009
  • 구조적 생물 정보학 분야는 단백질의 3차원 구조를 대상으로 단백질을 연구하는 분야이며, 본 논문에서는 구조적 생물 정보학 분야의 핵심 연구 주제중의 하나인 Flexible 단백질 구조 정렬에 관한 새로운 알고리즘을 제시한다. Flexible 단백질 구조 정렬을 위하여, 단백질의 3차원 구조의 지역적인 유사성을 이용하여 두 단백질의 유사한 부분 구조를 추출해 내고, 이 추출된 유사 구조간에 연결 가능성을 검색하여 정렬이 가능한 모든 유사 구조를 찾고, 이 유사 구조에 꺽임점을 도입하여 Flexible 단백질 구조 정렬을 수행하였다. 이 과정에서 단백질의 지역적 유사성을 정확히 비교하기 위하여 RDA를 이용한 방법을 제안하였고, Flexible 단백질 구조 정렬시 신뢰성 있는 꺽임점 위치 선정 방법과 그래프를 이용한 최적화 방법을 제안하였다. 성능 평가를 위하여 다양한 방법으로 Flexible 단백질 구조 정렬의 성능 평가를 수행하였고, 기존의 방법인 DALI, CE, FATCAT 보다 성능의 우수함을 나타내었다.

20세기 서구 남성 수염 스타일의 상징적 가치 (The Symbolistic Values of Western Beards' Style in the Twentieth Century)

  • 장미숙;이화순;이연희
    • 한국의류산업학회지
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    • 제12권1호
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    • pp.21-30
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    • 2010
  • The purpose of this study is to research the symbolistic values of western beards' style in the twentieth century. Namely, it is to consider the relationship between social-cultural factors and aesthetic meanings of western beards' style. The contents are, firstly, studying the conception and the types of beard. A beard is the hair that grows on a person's chin, cheeks, neck, and the area above the upper lip. At the World Beard & Moustache Championships, there are moustache category (natural, english, hungarian, dali, fu manchu, freestyle), beard category (natural, musketeer, goatee, sideburns, freestyle), and full beard category (natural, garibaldi, verdi, van dyck, freestyle), Secondly, this paper is continued by researching the history of beard from the ancient to the present day, and thirdly, analyzing political dictatorship, social resistance and expression of personality, religious dignity, related with the change of world situation, the formation of postmodern anti-culture and pop-culture, and the coexistence of traditional culture. There are long and bushy full beards in some religions like Hinduism, Judaism and Islam. The meanings of their beards are purity, life and holiness. The beards of some politicians symbolize dictatorship. Namely, the chaplin of Hitler, the moustache of Hussein and the musketeer of Castro express strong power and charisma. In 1950s'-70s' subcultures, Hipsters' goatee, Bikers' horseshoe, Beat generations' goatee and Hippies' natural represent the lack of adaptability and social resistance. Also, the celebrities and artists like Ronald Colman, Clark Gable, Don Johnson, George Clooney, and Salvador Dali express freedom, personality, and taste with beards. For that matter, the symbolistic values of beards' style in the twentieth century are the religious dignity, the political dictatorship, the social resistance and the expression of personality. Today the beards' style is one of fashion items as well as a symbol of masculinity, customs and classes.