vapor liquid equilibrium based on activity coefficient models

... combinations of the basic features We selected the combined features based on our intuition In our future work, we believe some methods for automatic feature selection should be studied One of ... parser based on maximum entropy models Conference on Empirical Methods in Natural Language Processing Eric Sven Ristad 1998 Maximum entropy modeling toolkit, release 1.6 beta http ://www.mnemonic.com/software/memt ... relationship at index t in the test corpus as: P(f]ht) = P ( f l Information derivable from the test corpus related to relationship t) The computation of P ( f ] h ) in M.E is dependent on a set...

Ngày tải lên: 08/03/2014, 21:20

... finding duration below a certain amplitude level which lasts more than one second Topic Identification based on HMMs We employ HMMs for topic identification, where a hidden state corresponds to a topic ... of long japanese sentences based on the detection of conjunctive structures Computational Linguistics, 20(4) Regina Barzilay and Lillian Lee 2004 Catching the drift: Probabilistic content models, ... Kurohashi 2004 Automatic construction of nominal case frames and its application to indirect anaphora resolution In Proceedings of the 20th International Conference on Computational Linguistics, number...

Ngày tải lên: 31/03/2014, 01:20

... costs data, and the smoothed price and cost models based on the data points Figure Simulation and optimisation components of a management schedule with one pre-commercial thinning (dashed line), ... year depending on site index as follows: t = 35 – 0.677 ´ SI on data provided by the Forest Technology Centre of Catalonia The tending year function was estimated based on a study by Montero et al ... random solution, and analysing the variation among solutions The standard deviation of soil expectation value was 7223 ptas ha–1, which is 0.49% of the mean The standard error of mean was only 0.049%...

Ngày tải lên: 08/08/2014, 01:21

... following classes: • Numerical simulation based • Partial simulation techniques • Numerical model based Numerical simulation based: Simulation based methods rely on a numerical simulator, usually ... produced the second class of synthesis methods which are based on optimization Optimization based synthesis: These methods use robust optimization algorithms to develop parametric optimization tools ... solution and thus is needed at each iteration of the flow Optimiza6 tion based synthesis methods can be classified based on the class of evaluators they use Design evaluators may belong to one of...

Ngày tải lên: 30/10/2014, 20:02

... interactions among the motion vector field, the intensity segmentation field, and the video segmentation field The notion of Markov Random field is used to encourage the formation of continuous regions ... environments Chapter proposes a unified framework for spatio-temporal segmentation of video sequences based on graphical models [71] Motion information among successive frames, boundary information ... sometimes one area of similar intensity may belong to different objects, the intensity segmentation constraint is weakened when the motion information within one intensity segmentation region is...

Ngày tải lên: 16/09/2015, 17:11

... a few considerations made us reconsider First, exceptions are found in the corpus Personal pronouns such as she or he are used to refer to country, regions, states or organizations Second, existing ... this novel FHMM -based pronoun resolution system Model Description This work is based on a graphical model framework called Factorial Hidden Markov Models (FHMMs) Unlike the more commonly known Hidden ... solved the problem with add-one smoothing and deleted interpolation in training models besides the transformation in the generation order of the observation model Conclusion and Future Work This...

Ngày tải lên: 20/02/2014, 04:20

... to produce a normalized conditional probability distribution Additional constraints on the previous For all previous smoothing methods other than KN, we refer the reader only to the excellent comparative ... the best approach when language models based on ordinary counts are desired Evaluation and Conclusions We trained and measured the perplexity of 4gram language models using English data from the ... interpolation parameters to the same double duty that other models force the discount parameters to Jelinek-Mercer smoothing is an exception to this generalization, but since it has only interpolation...

Ngày tải lên: 20/02/2014, 09:20

... reaction conditions on the activity of MnCoCe 1-3-0.75 69 3.2.4 Activity for the treatment of soot and the influence of soot on activity of MnCoCe 1-3-0.75 72 3.2.5 Influence of aging condition on ... concentration was calculated as 2% by simulation method with a Hysys program Table 2.5 Composition of mixture gases at different reaction conditions for C3H6 oxidation Composition Concentration, ... reaction conditions for CO oxidation Composition Deficient oxygen condition 16 Balance CO O2 N2 Concentration,% Sufficient oxygen condition 13.33 6.67 Balance Excess oxygen condition 4.44 7.22 Balance...

Ngày tải lên: 12/05/2014, 17:14

... Shin, HJ Kwon, NS Kim, Voice activity detection based on conditional MAP criterion IEEE Signal Process Lett 15, 257–260 (2008) 16 Shiwen Deng, Jiqing Han, A modified MAP criterion based on hidden ... babble noise conditions The experimental results show that the VAD based on MP coefficients outperforms the ones based on the DFT in all of the testing conditions, and it can be concluded that ... Voice activity detection based on a family of parametric distributions Pattern Recogn Lett 28(11), 1295–1299 (2007) 10 JW Shin, JH Chang, HS Yun, NS Kim, Voice activity detection based on generalized...

Ngày tải lên: 18/06/2014, 22:20

... white noise at SNR = (a) based on the proposed VAD; (b) based on the combined method Figure VAD at non-stationary noise at SNR = (a) based on the proposed VAD; (b) based on the combined method ... Nakatani, A voice activity detection based on the adaptive integration of multiple speech features and signal decision scheme, in Proceedings of the IEEE International Conference on Acoustics, Speech ... noise suppression methods is given in Section The detail experiments and simulation results are shown in Section Finally, the discussion and conclusion are drawn in Section and Section respectively...

Ngày tải lên: 20/06/2014, 20:20

... noise conditions The experimental results show that the VAD based on MP coefficients outperforms the ones based on the DFT in all of the testing conditions, and it can be concluded that the MP coefficients ... noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test the distribution of the MP coefficients, ... Shin, HJ Kwon, NS Kim, Voice activity detection based on conditional MAP criterion IEEE Signal Process Lett 15, 257–260 (2008) Shiwen Deng, Jiqing Han, A modified MAP criterion based on hidden...

Ngày tải lên: 20/06/2014, 21:20

... the signal Consequently, algorithms based on periodic structure [13, 16, 17, 19] will fail Moreover, the AA wave is not stationary, so it is difficult for a constrained independent component analysis ... smooth the transitions between different intervals, we employed cubic spline interpolation Furthermore, clinical experience shows that V1 lead contains the largest AA contribution among the 12-lead ... spectral concentration values in the band of peak indicate high quality in AA estimation SC is defined as × 100%, Figure 4: (a) The extracted AA signal from patient one; (b) The corresponding PSD along...

Ngày tải lên: 21/06/2014, 22:20

... prediction of prognosis will rely on a combination of numerous clinical data concerning the individual patient, particularly information relating to biomarkers However, translational integration of ... months, those with unambiguous prognosis who survived for more than 12 months but less than 60 months, and those who survived 60 months or longer Log-rank tests confirmed significant effects on ... of correlation coefficients for selecting and weighting the variables is based on the assumption that any close functional linkage to survival is reflected by significant correlations, negative...

Ngày tải lên: 13/08/2014, 16:20

Ngày tải lên: 14/11/2014, 12:00

... put the emphasis on the categorization system Retrieval Categorization 3D Models One vs one A Number of Comparison Similar Models One vs class A Class of Comparison Similar Models Bag-of-words ... existing models In this thesis, the one-to-one comparison scenario is named as 3D model retrieval and the one-to-class comparison procedure is called 3D model categorization The input format of 3D models ... corresponding to physical locations of an object Spherical representations are the most natural and common representations for 3D models This representation is in general not invariant to rotations;...

Ngày tải lên: 10/09/2015, 09:10

... stationary increments The time-to-response is assumed to follow a general distribution which can depend on both the treatment allocation and the response observed The central limit theorem on Yn ... polychotomous responses, continuous outcomes are also very common, such as blood pressure Rosenberger (1993) developed a biased coin randomization scheme for continuous outcomes based on a linear rank ... successful response on treatment k is obtained, additional one ball of type k is CHAPTER PRELIMINARIES 17 added; if it is a failure, proportional balls of the other K − types are added based on the relative...

Ngày tải lên: 11/09/2015, 14:32

... have displaced conventional separation processes such as distillation, absorption, adsorption, solvent exchange, crystallization, etc Compared to other conventional mass separation technologies, ... copper concentration changes in feed solution 107 Figure 4.2: Copper removal rate as a function of carrier concentration 110 Figure 4.3: Influence of the feed Cu(II) concentration on flux ... precipitation, cementation and sedimentation [6, 7], flotation [8], adsorption [9], evaporation [10], ion exchange [11, 12], electrolysis [13], electrodialysis [14-16], solvent extraction [17],...

Ngày tải lên: 14/09/2015, 18:20

... derivative was converted with thionyl chloride under standard conditions to the corresponding acidic chloride To a suspension of this acid chloride (2 mmol) in 20 ml CH2Cl2, a solution of 3-amino ... Hank’s solution containing 2% DMSO as a control After 25 minutes, the solutions were removed from the cells, then cells were washed twice with Hank’s solution and kept in Hank’s solution containing ... Ligation reaction based on the Diels Alder Reaction with invers electron demand [EP 06 012 414.6] 6-10-2006 46 Reppe W, Schlichting O, Klager K, et al Cyclisierende Polymerisation von Acetylen I...

Ngày tải lên: 26/10/2012, 09:07