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本研究采用戊二醛将漆酶(Laccase)固定于细菌纤维素(BC)基材上,通过优化交联工艺,制备环境友好、重复使用的BC@Laccase消减材料;利用场发射扫描电子显微镜(FESEM)、傅里叶变换红外光谱仪(FT-IR)、热重分析仪(TGA)对其进行表征;评价其催化降解水体中2-氯苯酚性能。结果表明,BC@Laccase消减材料的最佳制备工艺条件为:固定时间4 h、固定温度25℃、环境pH值3.5;...
TRIFLE is a Round 1 candidate of the NIST Lightweight Cryptography Standardization process. In this paper, we present an interesting 1-round iterative differential characteristic of the underlying blo...
Related-Tweakey Impossible Differential Attack on Reduced-Round Deoxys-BC-256
related-tweakey impossible dierential attack tweakable block cipher Deoxys-BC-256
2018/7/17
Deoxys-BC is the internal tweakable block cipher of Deoxys, a third-round authenticated encryption candidate at the CAESAR competition. In this study, by adequately studying the tweakey schedule, we s...
利用同步荧光光谱、三维荧光光谱及分子动力学模拟方法研究了β-内酰胺类抗生素头孢西丁(CFX)与金属β-内酰胺酶BcⅡ之间的相互作用机制.荧光光谱分析表明,CFX与BcⅡ在结合过程中可诱导BcⅡ构象发生改变.分子动力学模拟结果表明,上述构象变化是BcⅡ在CFX的诱导下通过改变其结合口袋附近Loop构象,使二者达到完美匹配的一个诱导契合过程,并最终形成一个洞穴状疏水口袋以利于CFX的结合及催化水解.
MILP-Aided Related-Tweak/Key Impossible Differential Attack and Its applications to QARMA, Joltik-BC
Tweakable block cipher Impossible differential attack Related-Tweakey
2018/2/9
In this paper, we study the relation of single-key impossible differentials with the related-tweakey/key ones and propose an interesting algorithm that can efficiently derive longer related-tweakey/ke...
Impossible Differential Cryptanalysis on Deoxys-BC-256
authenticated encryption block cipher Deoxys-BC
2018/1/15
Deoxys is a third-round candidate of the CAESAR competition. This paper presents the first impossible differential cryptanalysis of Deoxys-BC-256 which is used in Deoxys as an internal tweakable block...
Impossible-Differential and Boomerang Cryptanalysis of Round-Reduced Kiasu-BC
cryptanalysis tweakable block cipher
2016/12/29
Kiasu-BC is a tweakable block cipher proposed by Jean et al. at ASIACRYPT 2014 alongside their TWEAKEY framework. The cipher is almost identical to the AES-128 except for the tweak, which renders it a...
Kiasu-BC is a tweakable block cipher presented within the TWEAKEY framework at AsiaCrypt 2014. Kiasu-BC is almost identical to AES-128, the only difference to AES-128 is the tweak addition, where the ...
Accessing Science Courses in Rural BC: A Cultural Border-Crossing Metaphor
Rural schools Senior science courses
2015/9/14
Students in small rural schools in British Columbia face barriers to accessing senior science courses. A case study employing questionnaire and interview methods sought the perspectives of principals,...
A GIS-based application for volume estimation and spatial distribution analysis of tephra fallout: a case study of the 122 BC Etna eruption
Geographic Information System (GIS) Tephra fallout Volume estimation Etna
2015/8/18
In this study, we demonstrate the use of a geo-spatial information system for volume estimation of fallout deposits and for identification of syn-eruptive and post-eruptive depositional mechanisms. Fo...
Evaluation of BC Williams and PI1/6 pear cultivars for their compatibility with 49 quince genotypes and their susceptibility to fire blight: Short communicaton
compatibility fire blight pear PI1/6 quince Williams
2015/1/22
In this study, the compatibility of the pear cultivars PI1/6 and BC Williams with 49 quince genotypes was evaluated. The results showed that the cv. PI1/6 had a good compatibility with several of the ...
Production of radially excited charmonium mesons in two-body nonleptonic Bc decays
Production radially excited charmonium mesons two-body Bc
2011/4/7
Production of radially excited charmonium mesons in two-body nonleptonic Bc decays 。
Ground-based remote sensing of an elevated forest fire aerosol layer at Whistler, BC: implications for interpretation of mountaintop chemistry
an elevated forest fire aerosol layer mountaintop chemistry
2010/12/28
On 30 August 2009, intense forest fires in interior British Columbia (BC) coupled with winds from the east and northeast resulted in transport of a broad forest fire plume across southwestern BC. The ...