a novel sample preparation technique based on ionic liquids for preconcentration of cobalt prior to its determination by fiber optic linear array detection spectrophotometry in real water samples

sensitivity properties of a novel no2 gas sensor based on mesoporous wo3 thin film

Ngày tải lên : 20/03/2014, 13:07

... pattern of mesoporous WO3 thin films calcined at 250 ◦ C for h indicating that this crystallographic nucleation actually occurs during the calcination, but is limited to formation of nanocrystallite ... thin film calcined at 250 ◦ C for h: (a) bright field TEM image; (b) dark field TEM image obtained on the same area of (a) ; (a) inset: selected-area electron diffraction pattern recorded on the sample ... oxidizing and reducing gases The stability of the sensing characteristics was examined several times in a week It was found that the initial resistance was approximately maintained, but with a slightly...

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Báo cáo hóa học: " Research Article A Novel Image Compression Method Based on Classiﬁed Energy and Pattern Building Blocks Umit Guz" ppt

Ngày tải lên : 21/06/2014, 05:20

... transform in order to decorrelate the data in the least mean square (LMS) sense among all linear orthogonal transforms PCA is a linear orthogonal transform from an m-dimensional space to p-dimensional ... most of the useful information of the original IBV under consideration Once (17) is obtained, it can be converted to an equality by means of a pattern term Pi which is a diagonal matrix for each ... Because of its data reduction capability, DWT has become a standard method in the image compression applications In the wavelet compression, the image data is transformed and compressed as a single...

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Báo cáo hóa học research article a novel robust mesh watermarking based on BNBW

Ngày tải lên : 19/12/2015, 19:57

... including wavelet analysis for 3D meshes and conventional wavelet analysisbased watermarking methods In Section 3, we explain the watermark insertion and extraction algorithms in detail In Section ... EURASIP Journal on Advances in Signal Processing Watermark w Convert into spherical coordinates Original mesh Divide the vertices into S sections BNBW Add watermark Watermarked mesh Convert into ... the geometry attack of translation, rotation, and scaling Experimental results demonstrated that the algorithm is also robust against attack of translation, rotation, and scaling And the proposed...

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Development of a novel toll like receptor based two hybrid assay for detecting protein protein interactions and its application in the study of CD14 dimerization and FcyRIIA activation

Ngày tải lên : 12/09/2015, 08:20

... domain-containing adaptors and TLR signaling MyD88 is an essential TIR domain-containing adaptor for the induction of inflammatory cytokines via all the TLRs TIRAP/Mal is a second TIR domain-containing ... consisting of TGF-βactivated kinase (TAK1) and its two adaptor proteins, TAK1-binding protein (TAB) and TAB2 TAB2, an adaptor linking TAK1 to TRAF6, is associated with cell membrane under unstimulated ... enzymes involved in galactose utilization GAL4 contains a DNA binding domain (BD) (Keegan et al., 1986) and a transcription activation domain (AD) (Brent and Ptashne, 1985) which are separately...

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2013 a robust multiple watermarking scheme based on the DWT x

Ngày tải lên : 21/11/2013, 23:58

... transformed domain such as discrete cosine transf - Quantization based watermarking: This appr orm domain oach uses or discrete wavelet transform domain Watermark quantization to embed the watermark ... ad ditif : vers la se[9] S Rastegar, F Namazi, K singular value lection d’un es Yaghmaie and A Aliabadian, pace d’insertion decomposition and radon transform,” Interna 0,1 tional Journal of a ... )] Qualitative evaluation of the watermark presen ce can be done by comparing the two extracted watermarks with the original one Quantitativeevaluation is performed by calculating the similarity...

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2013 a robust multiple watermarking scheme based on the DWT

Ngày tải lên : 30/12/2013, 16:22

... Namazi, K Yaghmaie and A Aliabadian, “Hybrid watermarking algorithm based on singular value decomposition and radon transform,” International Journal of Electronics and communication (AEÜ), pp 658-663, ... uses only the original watermark - Blind decoding: extracts the watermark from the possibly distorted image using neither the original image nor the original watermark and contain information about ... Han and E Chang, A survey of digital image watermarking techniques,” Industrial Informatics, 3rd IEEE International Conference on, pp 709-716, 2005 S P Mohanty, “Digital watermarking : a tutorial...

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Tài liệu Báo cáo khoa học: "A Pronoun Anaphora Resolution System based on Factorial Hidden Markov Models" docx

Ngày tải lên : 20/02/2014, 04:20

... LDC2008T13 T.S Morton 2000 Coreference for NLP applications In Proceedings of the 38th Annual Meeting on Association for Computational Linguistics, pages 173–180 Association for Computational Linguistics ... resolution in a nonparametric bayesian model In Proceedings of the 45th annual meeting on Association for Computational Linguistics, page 848 A Haghighi and D Klein 2009 Simple coreference resolution ... hidden states by taking advantage of conditional independence between substates This conditional independence allows complex hidden states to be learned with limited training data 2.1 Factorial Hidden...

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Báo cáo khoa học: Nucleotide binding to human UMP-CMP kinase using ﬂuorescent derivatives ) a screening based on afﬁnity for the UMP-CMP binding site potx

Ngày tải lên : 07/03/2014, 09:20

... initial concentration of MABA-CDP bound to the enzyme, A is its total concentration, and P is the total concentration of human UCK Data were analyzed using kaleidagraph (Abelbeck Software, ALSYD, ... uorescence of MABA-CDP to its initial value, demonstrating the specicity of MABA-CDP binding to the acceptorbinding site (Fig 3A, inset) Titration of MABA-CDP with the enzyme (Fig 3A) indicated an increase ... reached an D600 of 0.6, 50 mg each of lysine, threonine and phenylalanine and 25 mg each of UMP-CMP kinase and acyclic phosphonate analogs leucine, isoleucine, valine and selenomethionine was added...

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Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

Ngày tải lên : 07/03/2014, 18:20

... elements contain all the additional information (explanations and descriptions) appearing in the scripts The extracted dialogues are stored into a data structure such that the information about ... is conducted, tokenization and vectorization of the user input is carried out During tokenization, an additional checking is conducted by the dialogue manager It looks for any adaptation command ... stored in the data collection as an utterance during the dataset preparation phase Several problems similar to this one, which are related to noise in the database, have been detected already To tackle...

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Báo cáo khoa học: "Introduction of a new paraphrase generation tool based on Monte-Carlo sampling" potx

Ngày tải lên : 17/03/2014, 02:20

... paraphrase table is state -of- the-art to generate paraphrases Colin Bannard and Chris Callison-Burch 2005 Paraphrasing with bilingual parallel corpora In Annual Meeting of ACL, pages 597–604, Morristown, ... This algorithm suits the paradigm proposed for paraphrase generation to search by applying successive transformations This space is composed of states connected by actions An action is a transformation ... SMT Language model and paraphrase table Paraphrase generation tools based on SMT methods need a language model and a paraphrase table Both are computed on a training corpus The language models...

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Báo cáo khoa học: "A Hierarchical Bayesian Language Model based on Pitman-Yor Processes" docx

Ngày tải lên : 17/03/2014, 04:20

... marginalized out This gives us an alternative representation of the hierarchical Pitman-Yor language model that is amenable to efﬁcient inference using Markov chain Monte Carlo sampling and easy ... problems), and has best performance overall Note that the parameter values in HPYCV are still not the optimal ones since they are obtained by cross-validation using IKN, an approximation to a hierarchical ... Annual Meeting of the Association for Computational Linguistics H Ishwaran and L.F James 2001 Gibbs sampling methods for stick-breaking priors Journal of the American Statistical Association, 96(453):161–173...

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Báo cáo khoa học: "A FLEXIBLE NATURAL LANGUAGE PARSER BASED ON A TWO-LEVEL REPRESENTATION OF SYNTAX" ppt

Ngày tải lên : 18/03/2014, 02:20

... Si arrampicano scalatori CURRENT CONN CRLINK REF CONN CRLINK ADJ REF FILL ADJ ACTION: An example of a sentence portion which otto, can be disambiguated only by inspecting the seman tic constraints ... non-admissibility of an attachment, the parser is forced to find another alternative This is done by first applying the natural changes and then, if all of them fail, by performing a backup A ... 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...

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a selective nh3 gas sensor based on fe2o3–zno nanocomposites at room temperature

Ngày tải lên : 19/03/2014, 16:47

... is preparation and application of nano-sized compound semiconductor materials Xingfa Ma, Professor, executive director in chief of the Department of Adhesives and Coatings, vice director of the ... of Czochralski silicon used for ultralarge scale integrated circuits (ULSI); preparation and application of silicon nano-wires, nano-tubes and other one dimensional semiconductor materials ... Department of Sealants and Rubber Composites of Shandong Research Institute of Non-metallic Materials, Committee Member of Chinese Standard of Adhesives and Sealants Now, he is a PhD candidate of...

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Báo cáo khoa học: "A Latent Topic Extracting Method based on Events in a Document and its Application" pot

Ngày tải lên : 23/03/2014, 16:20

... Proceedings of the 38th Annual Meeting on Association for Computational Linguistics:294–301 Anastasios Tombros and Mark Sanderson 1998 Advantages of query biased summaries in information retrieval In ... Mitze, and Lisa F Rau 1995 Automatic condensation of electronic publications by sentence selection Information Processing and Management: an International Journal - Special issue: summarizing text,31(5):675–685 ... Takashi Uemura, Takuya Kida, and Hiroki Arimura 2010 Extension to word phrase on latent dirichlet allocation Forum on Data Engineering and Information Management,i-6 Yee W Teh, David Newman, and...

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Báo cáo khoa học: "A Statistical Machine Translation Model Based on a Synthetic Synchronous Grammar" docx

Ngày tải lên : 31/03/2014, 00:20

... David Chiang 2007 Hierarchical phrase -based translation In computational linguistics, 33(2) Jason Eisner 2003 Learning non-isomorphic tree mappings for machine translation In Proceedings of ACL 2003 ... in (Zhang et al., 2008) in our current implementation 2.2 The SSG -based Translation Model The translation in our SSG -based translation model can be treated as a SSG derivation A derivation consists ... Galley, M and Graehl, J and Knight, K and Marcu, D and DeNeefe, S and Wang, W and Thayer, I 2006 Scalable inference and training of contextrich syntactic translation models In Proceedings of ACL-COLING...

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Báo cáo toán học: " A virtual infrastructure based on honeycomb tessellation for data dissemination in multi-sink mobile wireless sensor networks" pot

Ngày tải lên : 20/06/2014, 20:20

... investigate the eﬀect of using hexagonal tessellation instead of rectangular grids and using three diagonal lines acting as rendezvous area instead of only one line -based region The simulations ... gathering of all of the generated data in the network and permits the performing of certain data optimizations (e.g., data aggregation) before sending the data to the destination sink [6] Second, ... number of nodes having the packets on a border line In data dissemination and data transfer process, a node in each cell receives and transmits the data e 2NC packet along the diagonal line (i.e.,...

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Báo cáo toán học: " Integrated acoustic echo and background noise suppression technique based on soft decision" docx

Ngày tải lên : 20/06/2014, 20:20

... [13] To see the performance of the conventional integrated algorithm for comparison, we also evaluated the performance of the conventional acoustic echo and noise suppression algorithm by Gustafsson ... echo and the noise signal with a single gain based on soft decision For this, the noise and echo spectral are separately and eﬃciently estimated and combined by a single power in the soft decision ... power of the acoustic echo and noise is adopted to the integrated suppression algorithm based on soft decision to address the artifacts such as the nonlinear distortion and the disturbed noise introduced...

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Báo cáo hóa học: " Research Article A Stereo Crosstalk Cancellation System Based on the Common-Acoustical Pole/Zero Model" docx

Ngày tải lên : 21/06/2014, 08:20

... Ministry of Education of China and National Research Council of Canada.The authors gratefully acknowledge stimulating discussions with Dr Heping Ding and Dr Michael R Stinson from Institute for ... responses after crosstalk cancellation Figure 7: Impulse responses of crosstalk cancellation in the asymmetric case Conclusion This paper investigates crosstalk cancellation for authentic binaural ... cancellation algorithm is crucial for practical applications To reduce the computational cost, this paper presents a novel crosstalk cancellation system based on common-acoustical pole/zero (CAPZ)...

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báo cáo hóa học:" Integrated acoustic echo and background noise suppression technique based on soft decision" pptx

Ngày tải lên : 21/06/2014, 17:20

... [13] To see the performance of the conventional integrated algorithm for comparison, we also evaluated the performance of the conventional acoustic echo and noise suppression algorithm by Gustafsson ... echo and the noise signal with a single gain based on soft decision For this, the noise and echo spectral are separately and eﬃciently estimated and combined by a single power in the soft decision ... power of the acoustic echo and noise is adopted to the integrated suppression algorithm based on soft decision to address the artifacts such as the nonlinear distortion and the disturbed noise introduced...

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Báo cáo hóa học: " Integrated acoustic echo and background noise suppression technique based on soft decision" doc

Ngày tải lên : 21/06/2014, 19:20

... [13] To see the performance of the conventional integrated algorithm for comparison, we also evaluated the performance of the conventional acoustic echo and noise suppression algorithm by Gustafsson ... echo and the noise signal with a single gain based on soft decision For this, the noise and echo spectral are separately and eﬃciently estimated and combined by a single power in the soft decision ... power of the acoustic echo and noise is adopted to the integrated suppression algorithm based on soft decision to address the artifacts such as the nonlinear distortion and the disturbed noise introduced...

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