Báo cáo hóa học: "A Two-Step Hydrothermal Synthesis Approach to Monodispersed Colloidal Carbon Spheres" pdf
Báo cáo hóa học: "A Two-Step Hydrothermal Synthesis Approach to Monodispersed Colloidal Carbon Spheres" pdf
... lead to the formationof multiple shapes and/or sizes in the product due to thedurative polycondensation [33]. Two-Step Approach for Monodispersed CCS To achieve monodispersed CCS, the carbon ... (a–e)Nanoscale Res Lett (2009) 4:971–976 973123NANO EXPRESSA Two-Step Hydrothermal Synthesis Approach to Monodispersed Colloidal Carbon SpheresChuyang Chen Æ Xudong Sun Æ Xuchuan Jiang ÆDun ... studies focused on the synthesis of carbon colloids via the hydrothermal approach. For example,Wang et al. [1] were the first to report the hydrothermal synthesis of hard carbon spheres by using...
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Báo cáo hóa học: " A Constrained Least Squares Approach to Mobile Positioning: Algorithms and Optimality" pot
... can alsobe expressed in vector form a srTOA= fTOA(x)+nTOA,(4)whererTOA=rTOA,1rTOA,2···rTOA,MT,nTOA=nTOA,1nTOA,2···nTOA,MT,fTOA(x) =⎡⎢⎢⎢⎢⎢⎢⎢⎢⎣x ... disturbance, denoted by rTOA,i,ismodeled asrTOA,i= di+ nTOA,i=x − xi2+y − yi2+ nTOA,i, i = 1, 2, , M,(3)where nTOA,iis the range error in rTOA,i.Equation(3) can ... is to recast theCWLS estimators to unconstrained minimization problems,and then to use the analysis technique for unconstrainedproblems [28] to find out the mean and covariance of theestimators....
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Báo cáo hóa học: " A Bayesian Super-Resolution Approach to Demosaicing of Blurred Images" potx
... Di-rector of the Motorola Center for Seamless Communications anda Member of the academic affiliate staff, Department of Medicine,at Evanston Hospital. He is the Editor of Digital Image Restoration(New ... His ar-eas of research interest are image restoration(applications to astronomy and medicine),parameter estimation in image restoration,low -to- high image and video, and blind deconvolution. ... performed to estimate the parameter vector Θcand the unknown high-resolution band fc. It is important to remember that we areassuming that fcand fcare known.The process to estimate...
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Báo cáo hóa học: " A truly green synthesis of a-aminonitriles via Strecker reaction" pdf
... through imines requires a carbonyl com-pound and an amine. Our study suggests that carbonylcompounds, amines and TMSCN in the presence of amild acidic reagent will lead to the synthesis of a-ami-nonitriles ... ionic liquid [21]. To prepare a-aminonitriles (precursor to a-aminoacids) generally an imine is reacted with a cyanidesource. Notable among them are HCN [22], KCN [23],(EtO)2P(O)CN [24,25], ... procedure for the synthesis of a-aminonitriles will find application in the synthesis of complex biologically active molecules.BackgroundStrecker reaction [1], the oldest known synthesis of a-aminonitriles,...
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báo cáo hóa học: " A refined in vitro model to study inflammatory responses in organotypic membrane culture of postnatal rat hippocampal slices" potx
... Live/dead-cytotoxicity kit L-3224 (MolecularProbes), respectively, according to the manufacturer's pro-tocol.LDH leakage to the culture medium was measured with aCytoTox 96 nonradioactive cytotoxicity ... slices seem to retain stability as what comes to lysis of cells (LDH leakage) and to their ability to releasecytokine IL-6 and NO.In addition, the slice cultures seem to be able to switchfrom ... pro and anti-inflammatory stimuli during the cultureNext, we wanted to see if either proinflammatory histonedeacetylase inhibitor TSA or anti-inflammatory NF-κBinhibitor helenalin could influence...
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Báo cáo hóa học: " A large vocabulary continuous speech recognition system for Persian language" pdf
... data in the corpus. In this approach, wor ds are grouped into classes and each wordis assigned to one or more classes. To determine theword classes, one can use the automatic word clusteringmethods ... grammati-cal rules to find a combination that generates a tree to illustrate the structure of the input sentence. This issimilar to the search problem in s peech recognition. Atop-down chart parser ... sampling rate. Apre-emphasis filter with a factor of 0.97 is applied to eachframe of speech. A Hamming win dow is also applied to the signal in order to reduce the effect of frame edge dis-continuities....
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Báo cáo hóa học: " A Method for Single-Stimulus Quality Assessment of Segmented Video" pdf
... step towards automated image anal-ysis with applications in scene interpretation, object recog-nition, and compression, especially in view of the fact that itwas shown to be well tuned to the ... adaptation to the local topology can yield performance g ains relative to the performance obtained using a nonadaptive filter function[21].For our purposes, it would be advantageous to use asmoothing ... information. The approach is in-dependent of parameter definition and experimental resultsshow an increased robustness to noise a nd increased sensi-tivity to local error with respect to the methods...
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Báo cáo hóa học: " A Robust Capon Beamformer against Uncertainty of Nominal Steering Vector" pdf
... new approach to robust beamform-ing in the presence of steering vector errors,” IEEE Transactionson Signal Processing, vol. 42, no. 7, pp. 1826–1829, 1994.[11]Z.L.Yu,Q.Zou,andM.H.Er,“Anewapproachtorobustbeamforming ... sensitivity to mismatch of opti-mum array processors,” TheJournaloftheAcousticalSocietyofAmerica, vol. 54, no. 3, pp. 771–785, 1973.[20] R. T. Compton, “ T he effectofrandomsteeringvectorer-rors ... 1985 and was promoted to a Full Professor in 1996. He served as anAssociate Editor of the IEEE Transactionson Signal Processing from 1997 to 1998 and is a Member of theEditorial Board of IEEE...
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Tài liệu Báo cáo khoa học: "A Novel Feature-based Approach to Chinese Entity Relation Extraction" ppt
... relation extraction drives us to investigate how to find an approach that is particularly appropriate for Chinese. 3 A Chinese Relation Extraction Model Due to the aforementioned reasons, ... types/subtypes and of the correct order. One way to improve the previous feature-based classification approach is to make use of the prior knowledge of the task to find and rectify the incorrect results. ... classification problem. Existing approaches include feature-based and kernel-based classification. Feature-based approaches transform the context of two entities into a liner vector of carefully selected...
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Tài liệu Báo cáo khoa học: "A Logic-based Semantic Approach to Recognizing Textual Entailment" ppt
... NE(x1) &negotiatorNN(x2) & nn NNC(x3,x1,x2)work VB(e1,x2,x4) & for IN(e1,x1) helps theprover infer that Christopher Hill works for the US from topUS negotiator, Christopher Hill.10Harabagiu ... the system, automatically, generatesaxioms to break down complex nominals andcoordinating conjunctions into their constituentsso that other axioms can be applied, individually, to the components. ... NE(x1)when it tries to infer electoral campaign is held inNicaragua from Nicaraguan electoral campaign.We ensured the relevance of the lexical chainsby limiting the path length to three relations...
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