removing duplicate rows based on a subset of columns
Tài liệu Báo cáo khoa học: Modeling of tRNA-assisted mechanism of Arg activation based on a structure of Arg-tRNA synthetase, tRNA, and an ATP analog (ANP) ppt
... under a linear gradient of NaCl from to m gave a pure tRNAArg transcript, which was precipitated by addition of ethanol Aminoacylation reaction The aminoacylation reaction of tRNA was measured at ... no means in a conformation that is fit to activate The fact that kcat and Km for tRNAArg in the aminoacylation reaction not change in the Asn106 fi Ala, Gln111 fi Ala and Phe109 fi Ala mutants of S ... form aminoacyl-tRNA In the aminoacylation reaction of class I aaRSs with aminoacyl-AMP, the 2¢-OH group of the ribose of A7 6 tRNA attacks the carbonyl carbon atom of the –Ca–(CO)–O– moiety of aminoacyl-AMP...
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Theory of nonequilibrium transport based on a class of chaotic fluctuations
... towards a state of chemical equilibrium Typically, transport equations arise from a set of balance equations after due consideration have been given to the physical laws Examples of such equations are ... presence of an appropriate potential or thermal gradient By using the Perron-Frobenius equation as a balance equation to the nonlinear dynamics of an overdamped particle, a transport equation in ... environment This ab initio assumption of a clear-cut separation of time scales between a slow variable and the fast variables of the environment amounts to a neglect of the hydrodynamic modes of...
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Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory
... Inflection Sridharan, A and Prakash, K 1995 Discussion on Point Method Geotechnique, 47 (1): 199-200 ‘Limitations of Conventional Analysis of Consolidation Robinson, R.G 1999 Consolidation Analysis ... The actual theoretical one-dimensional consolidation relationship between average degree of consolidation U and the time factor T obtained from the Terzaghi theory may, depending on the range of ... on Results 2007 Diagnostic Curve Methods for Geomechanics, ASCE, (1): 75-79 of One-dimensional Consolidation Tests, Soils and Sivaram, B and Swamee, P.K 1977 A Computational Foundations, Japan,...
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Báo cáo khoa học: "Automatic Acquisition of English Topic Signatures Based on a Second Language" potx
... disambiguation methods In Proceedings of the International Conference on Theoretical and Methodological Issues in Machine Translation, pages 101–112 Rada Mihalcea and Dan I Moldovan 1999 An automatic ... People’s Daily, one of the most influential newspaper in mainland China It maintains a vast database of news stories, available to search by the public Among other reasons, we chose this website because ... Proceedings of the 40th Anniversary Meeting of the Association for Computational Linguistics (ACL-02) Philadelphia, USA William A Gale, Kenneth W Church, and David Yarowsky 1992 Using bilingual materials...
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Báo cáo khoa học: "A FLEXIBLE NATURAL LANGUAGE PARSER BASED ON A TWO-LEVEL REPRESENTATION OF SYNTAX" ppt
... knowledge plays a fundamental role in choosing a particular analysis Milne argues that a one-word lookahead, with the substantial help of semantic information is what is needed to provide a model of N.L ... transition networks which represent in an integrated way all syntactic constraints As stated in the introduction, the authors are developing a N.L interface to a relational data base The lexical ... sex of the department X" A quite different behavior characterizes the at tachment of a role to a verb (a REF node to a REL node via a CONN node); of course, the attachment of a new case cannot...
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Báo cáo hóa học: "On the feasibility of a channel-dependent scheduling for the SC-FDMA in 3GPP-LTE (mobile environment) based on a prioritizedbifacet Hungarian method" doc
... n tasks to n possible candidates on a one-toone basis in an optimal way For this purpose, it has to be taken into account that there are exactly n! ways to assign n tasks to n candidates, and ... costs) The Hungarian mathematicians, D Konig and E Egervary, proposed an alternative to the computation of all possible combinations (which results computational inefficient as n! gets larger, e.g., ... following a prioritization based on the alternation of columns and rows it is possible to find an optimal solution Being important to note that in the above example the first and the last step...
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Báo cáo hóa học: " Research Article Inference of Gene Regulatory Networks Based on a Universal Minimum Description Length" pot
... Inference, Morgan Kaufmann, San Francisco, Calif, USA, 1988 [2] N Friedman, M Linial, I Nachman, and D Pe’er, “Using Bayesian networks to analyze expression data,” Journal of Computational Biology, ... = 80 In terms of computation time, Reveal was fairly constant for all of the simulation settings, taking an average of 6.35 seconds to find predecessors for gene using Matlab on a Pentium IV desktop ... implies a degree of generality that is violated if we rely upon a user-defined value 2.3 Normalized Maximum Likelihood One alternative that alleviates these drawbacks is to measure codelength based on...
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Báo cáo hóa học: " Research Article A Multiuser MIMO Transmit Beamformer Based on the Statistics of the Signal-to-Leakage Ratio" doc
... function of the antenna spacing, average direction of arrival of the scattered signal from ith user, and the corresponding angular spread [20] We invite our readers to have a look at [20] and the ... i = (exponential correlation model) 10−1 5.1 Exponential Correlation Model In this example, the amplitudes of the spatial correlations among the elements of the BS antenna array are considered ... Telatar, “Capacity of multi-antenna Gaussian channels,” European Transactions on Telecommunications, vol 10, no 6, pp 585–595, 1999 [6] J.-H Chang, L Tassiulas, and F Rashid-Farrokhi, “Joint transmitter...
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Báo cáo hóa học: " A pH sensor based on electric properties of nanotubes on a glass substrate" pptx
... Japan Cover glass was purchased from Matsunami Glass Ind., Ltd., Japan A photoresist (OFPR-800) was purchased from Tokyo Ohka Kogyo Co., Ltd., Japan CNT immobilization on glass Fabrication of ... over that of using a single layer of APS After deposition of the source and drain electrodes, the top gate was fabricated on a 500-nm-thick APS layer on nanotubes and source and drain electrodes ... to fabricate a nanotube device on a cover glass and to investigate its applications Regarding the fabrication process of the nanotube FET sensor, chemical vapor deposition (CVD) method has been...
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Báo cáo hóa học: "Frequency and 2D Angle Estimation Based on a Sparse Uniform Array of Electromagnetic Vector Sensors" pptx
... estimation is a fundamental problem in estimation theory and its applications include radar, array signal processing, and frequency synchronization For scalar sensor array, a number of ESPRIT -based ... “Direction and polarization estimation using arrays with small loops and short dipoles,” IEEE Transactions on Antennas and Propagation, vol 41, no 3, pp 379–386, 1993 [4] B Hochwald and A Nehorai, ... polarization estimation in spatiopolarizational beamspace,” IEEE Transactions on Antennas and Propagation, vol 48, pp 1235–1245, 2000 [17] K T Wong and M D Zoltowski, “Closed-form direction finding...
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Báo cáo hóa học: " Video Waterscrambling: Towards a Video Protection Scheme Based on the Disturbance of Motion Vectors Yann Bodo" pdf
... coding, facial image analysis, virtual imaging, face cloning, and talking heads He is an author or coauthor of more then 65 publications that have appeared as journal papers or proceeding articles, ... book chapters, and international patents He gave several tutorials on digital watermarking and image compression at major conferences He has been an invited speaker and/or member of the program committee ... an adaptation of still image techniques Langelaar et al [10], Nikolaidis and Pitas [11], and O’Ruanaidh et al [12] have each proposed good overviews of still image watermarking techniques that...
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Báo cáo toán học: "A short proof, based on mixed volumes, of Liggett’s theorem on the convolution of ultra-logconcave sequences" docx
... representation Let a = (a0 , , am ) be a real sequence, satisfying the Newton inequalities (2) of order m I.e we dropped the condition of nonnegativity from the definition of ultra-logconcavity It ... reading of the original version of this paper Their corrections and suggestions are reflected in the current version I would like to thank the U.S DOE for financial support through Los Alamos National ... Burago and V A Zalgaller, Geometric Inequalities, Springer-Verlag, 1988 [3] H Davenport and G Polya, On the products of two power series, Canad J Math 1(1949), 1-5 [4] L Gurvits, On multivariate...
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Báo cáo khoa học: "Diffuse anorectal melanoma; review of the current diagnostic and treatment aspects based on a case report" doc
... Anorectal melanoma A rare and highly malignant tumor entity of the anal canal Pathologe 2004, 25:171-7 Ishizone S, Koide N, Karasawa F, Akita N, Muranaka F, Uhara H, Miyagawa S: Surgical treatment ... efficacy comparable to dacarbazine in a randomized trial of cutaneous melanoma, a combination of temozolomide, cisplatin, and liposomal doxorubicin in one patient with metastatic anal melanoma was used ... Discussion As with other anal canal tumors there is often a delay in diagnosis that results in advanced stage disease at the time of presentation Because anorectal melanomas are rare, staging of the...
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Báo cáo y học: "iagnostic Markers based on a Computational Model of Lipoprotein Metabolism" ppsx
... available data on lipoprotein concentrations and metabolic fluxes Since the model outcomes cannot be measured directly, the only available technical validation was corroboration For an initial ... indication of clinical usefulness of lipoprotein metabolism ratios based on Particle Profiler Future development We plan to conduct a further clinical validation of Particle Profiler -based metabolic ... shape of the uptake function The Weibull function normally has two shape parameters, but the available data not contain enough information to fit both Therefore we gave s u ,liver a constant value...
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báo cáo khoa học: " Classification of unknown primary tumors with a data-driven method based on a large microarray reference database" ppsx
... Okamura N, Masuda T, Gotoh A, Shirakawa T, Terao S, Kaneko N, Suganuma K, Watanabe M, Matsubara T, Seto R, Matsumoto J, Kawakami M, Yamamori M, Nakamura T, Yagami T, Sakaeda T, Fujisawa M, Nishimura ... portraits of human breast tumours Nature 2000, 406:747-752 Soda M, Choi YL, Enomoto M, Takada S, Yamashita Y, Ishikawa S, Fujiwara S, Watanabe H, Kurashina K, Hatanaka H, Bando M, Ohno S, Ishikawa ... A summary of the reference data, the name of each cancer type and the number of samples it has Additional file 3: Heatmap of all genes and all cancers used in the analyses Genes are colored according...
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Báo cáo khoa học: " A simple and rapid Hepatitis A Virus (HAV) titration assay based on antibiotic resistance of infected cells: evaluation of the HAV neutralization potency of human immune globulin preparations" potx
... cutoff indicating the absence of anti-HAV antibodies Evaluation of anti-HAV neutralizing antibodies in the human IG preparations by ARTA The HAV neutralization potency of the IG preparations was ... a more direct evaluation of the potency of the IG preparations We used the ARTA to evaluate the HAV neutralization potency of two commercially available IG preparations and a WHO anti-HAV standard ... http://www.virologyj.com/content/5/1/155 Figure Determination of the HAV neutralization potency of human IG preparations by ARTA Determination of the HAV neutralization potency of human IG preparations by ARTA HAV-Bsd...
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báo cáo khoa học: " A high-throughput screening system for barley/powdery mildew interactions based on automated analysis of light micrographs" docx
... research institute as well as at international cooperating partners As a general conclusion, the developed solution can be understood as a proof of concept of how to extend already available ... Scan of interesting regions at large magnification (10x-objective) Detailed images Analysis of detailed images • Segmentation of transformed cells • Segmentation of potential haustoria • Classification ... Binarize enhanced image based on color saturation • Classifiy object on axis of maximum discriminance • Transform feature vector into one dimension via LDA Figure Image analysis pipeline Image analysis...
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Báo cáo y học: " Construction of a polycystic ovarian syndrome (PCOS) pathway based on the interactions of PCOS-related proteins retrieved from bibliomic data" docx
... microarray -based comparison of ovarian tissues (theca cells, follicular granulose cells, total ovarian tissue, and ovarian connective tissue) from PCOS patients with ovarian tissues from healthy ... DNA-damage-inducible) alpha and beta, geminin, proliferating cell nuclear antigen, CDK6, and S-phase kinase associated protein isoform a; whilst SET translocation (myeloid leukemia-associated) is a multitasking ... in apoptosis, transcription, nucleosome assembly and histone binding; and v-akt murine thymona viral oncogene homolog is type of AKT that is capable of phosphorylating several known proteins Based...
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A hubel wiesel model of early concept generalization based on local correlation of input features
... immature representations that are based on accidental features (appearance similarities) Recent theoretical and practical developments in the study of mature categorization indicate that generalization ... cognition Generalization of new concepts (conceptual patterns) based on prior features (conceptual features) leads to categorization judgments that can be used for induction For example, given that ... Temporal (cycle) and spatial (hierarchy) relationships of seasons and months…….58 Figure 3.14 (a) Less abstraction in the categorization, (b) higher levels of abstraction in the categorization due to...
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