role of mannuronan c5 epimerases and their application of in vitro alginate

facile synthesis of porous a - fe2o3 nanorods and their application in ethanol sensors

Ngày tải lên : 19/03/2014, 16:48

... condition in a chamber with a volume of 15 L at a working temperature of 250 °C and 40% relative humidity (RH) An appropriate amount of ethanol vapor was injected into the closed chamber by a microinjector, ... average diameter of about 10-15 nm and a length of about 200 nm After being calcined at 300 °C for h, the sample still maintains the rodlike 1-D morphology, as is shown in Figure 3c and d Compared ... (c, d) TEM and HRTEM images of porous R-Fe2O3 nanorods (e) The corresponding ED pattern and (f) HRTEM image of a single R-Fe2O3 nanorod The morphologies of the as-prepared R-FeOOH and R-Fe2O3...

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Báo cáo khoa học: "Self-Organizing Markov Models and Their Application to Part-of-Speech Tagging" potx

Ngày tải lên : 31/03/2014, 03:20

... Part -of- Speech Tagger In 6’th Applied Natural Language Processing H Sch¨ utze and Y Singer 1994 Part -of- speech tagging using a variable memory Markov model In Proceedings of the Annual Meeting of ... Lexicalization In Proceedings of the Joint SIGDAT Conference on Empirical Methods in NLP and Very Large Corpora(EMNLP/VLC99) F Pla and A Molina 2001 Part -of- Speech Tagging with Lexicalized HMM In Proceedings ... language learning problems One of the main obstacles is the fact that features used for language learning often have huge sets of values, which cause intensive fragmentation of the training corpus...

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Báo cáo hóa học: " Fabrication of Porous TiO2 Hollow Spheres and Their Application in Gas Sensing" pdf

Ngày tải lên : 21/06/2014, 17:20

... further investigated by the TEM image as shown in Fig 1b, and the intensive contrast between center and edge of the spheres indicates the formation of hollow structure in the ﬁnal products, and the ... c0 and c are MB concentrations before and after mixing, respectively; A0 and A are absorbencies of the MB solution before and after mixing, respectively; V is the volume of the solution, and ... by centrifuging and sequentially washing with water and ethanol for several times and then dried in a vacuum oven at 60°C for h Characterization The phase of the product was determined by X-ray...

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Báo cáo hóa học: " Facile Synthesis of Novel Nanostructured MnO2 Thin Films and Their Application in Supercapacitors" pptx

Ngày tải lên : 21/06/2014, 20:20

... surface of MnO2 and also possible intercalation/deintercalation of H? and alkaline metal cations in the bulk of MnO2 [29] Since the 3-D dandelion-like microspheres of the sample A are composed of ... of existing MnO2 sites, leading to the formation of 1-D nanowhiskers from the initial colloidal microspheres With increase in the processing duration, ﬁnally dandelion-like 3-D microspheres of ... areas of the sample A and the sample B are about 414 and 125 m2 g-1 respectively Pseudocapacitance of MnO2 mainly originates from the adsorption of cations in the electrolyte (M? = Li?, Na?, and...

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Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution

Ngày tải lên : 02/07/2014, 14:14

... Science and Engineering C 30 (2010) 304–310 305 into ml of CH3COOH (99.5 wt.%, d = 1.05 g/ml) and 45 ml of distilled water (pH = 2–3), FeCl2 and FeCl3 were dissolved in 1:2 molar ratio and then ... properties of these composite beads, which can be explained by high coating efﬁciency by chitosan (high loading of Fe3O4 core, thin layer of chitosan shell) on Fe3O4 particles Therefore, maintaining ... Especially, the band shift of Fe–O stretching (from 610 to 595 cm− 1) and that of N–H bending vibration from 1638 to 1681 cm− is the most signiﬁcant These data indicated possible binding of iron ions...

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Báo cáo y học: "Statistical methods for detecting and comparing periodic data and their application to the nycthemeral rhythm of bodily harm: A population based study" ppsx

Ngày tải lên : 10/08/2014, 09:20

... for finding the frequencies of oscillating data is described Using harmonic frequencies the data are modeled as a sum of sine and cosine oscillations and a Fourier transform is performed In our ... intervals In particular the number of crimes on d6 and d7 are distinct We are interested in the nycthemeral rhythm and not in total numbers; so we normalize the data by dividing the number of crimes ... Quantil-quantil-plot of residuals of d6 and d7 against standard normal quantiles (black cross) The gray line joins the first and the third quartile The absence of large deviations between the black crosses and...

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Study in the preparation of poly (4 vinylpyridine) based nanoparticles and their application as an effective adsorbent for the recovery of palladium from aqueous solutions

Ngày tải lên : 10/09/2015, 15:54

... been gaining increasing popularity in recent years, including in environmental applications However, in spite of their great potentials and versatilities, practical engineered applications of nanomaterials ... and other supporting staff for administrative work and laboratory support of the Department of Chemical and Biomolecular Engineering as well as Division of Environmental Science and Engineering, ... and the intrinsic point -of- zero-charge (pHpzc) of these binding sites Heavy metal ions in contact with these binding sites will be adsorbed and removed from the bulk liquid phase, according to...

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Development of hybrid PSTD methods and their application to the analysis of fresnel zone plates

Ngày tải lên : 11/09/2015, 09:00

... method by applying ﬁne TDFEM grids and coarse PSTD grids in different sub-domains The overlapping meshing grids and boundary integral interfacing scheme are proposed for developing this hybrid ... (2.5.14) In conclusion, updating the components of E in the UPML for PSTD requires two steps in sequence: Obtaining the new values of the components of D according to Eqn.2.5.11; Using these ... examples of TDFEM are given, and the performance and stability of TDFEM are examined After introduction and investigation of the TDFEM method, the hybrid TDFEMPSTD method is developed in this...

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Formation of advanced gate stacks and their application to nano structure devices

Ngày tải lên : 16/09/2015, 08:30

... limitation of maintaining gate dielectric functions [1.2, 1.3], confirming the urgency of the needs for high-K dielectrics Etching processes including wet cleaning and plasma etching of high-K ... pressure of 10mTorr, and an Ar gas flow of 60sccm ………77 Fig 3.5 Comparison of remaining thickness of HfO2 as a function of etching time in 1% DHF with and without N2 plasma nitridation Thickness of ... substrate by scanning ranges of electron binding energy of (a) Hf4f, (b) Si2p and (c) O1s of XPS xiv List of Figures Cleaning process was performed to a remaining HfO2 film with a thickness of 40 Å after...

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Synthesis of crown ether and cyclam capped beta cyclodextrin bonded silica particles and their application as chiral stationary phases in liquid chromatography

Ngày tải lên : 17/09/2015, 17:19

... medicine and life science Initial miniaturizing efforts in LC are attributed to Horvath and co-workers in 1969 [17,18] In the late 1970s, Ishii and co-workers [19-24] reported the slurry packing of ... overlap Increasingly more people are becoming interested in this new technique, and the literature on CEC is increasing exponentially [62] The preparation and application of new types of CSPs ... groups involves altering the slope, size and other physical properties of the CD annuli and surfaces, and introducing new functional groups [77] This enhances the inclusion of guest molecules in...

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Báo cáo y học: " Predictors of hepatic steatosis in HBeAg-negative chronic hepatitis B patients and their diagnostic values in hepatic fibrosis"

Ngày tải lên : 25/10/2012, 11:48

... fixed in buffered formalin, embedded in paraffin, and stained with hematoxylin-eosin-safran and Masson's trichrome Hepatic steatosis, stage of fibrosis and grade of disease activity were determined ... significance of liver biopsy in determining the causes of high ALT levels The most important limitation of this study is the lack of long-term follow-up and evaluation of response to antiviral therapy in ... the predictors of clinical and pathological characteristics in these patients with steatosis and their diagnostic values in hepatic fibrosis Patients and methods Patients A total of 204 HBeAg-negative...

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LEAN MANUFACTURING PRINCIPLES AND THEIR APPLICATION 2008

Ngày tải lên : 07/02/2013, 09:23

... Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited ... without permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited ... without permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited...

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Frequency of Routine and Flooding-stage Observations for Precise Annual Total Pollutant Loads and their Estimating Method in the Yodo River

Ngày tải lên : 05/09/2013, 09:38

... period in 2005, mostly winter, was stable Fig shows the changes in TOC and DOC concentrations with the change of flow in 2005, and Fig shows the changes in TOC and T-COD loadings with the change of ... events and storm runoff events which bring increases in pollutant loads during flooding-stages in large river catchments As the traverse water mixing in the wide Yodo River was relatively weak during ... differences in traveling time of river water from their main pollutant sources and the lack of uniformity of rainfall distribution in the broad catchment It was particularly evident that the values and...

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remainder diffential algebras and their application makino

Ngày tải lên : 12/01/2014, 22:06

... 64 Makino and Berz In this paper, we discuss a combination of the techniques of computational dierentiation and interval methods, in a way that uses the advantages and diminishes the disadvantages ... again treated as a polynomial of f in the Taylor model computation The Lagrange remainder part of log(f (x)) becomes part of the remainder bound interval of the Taylor model of log(f ) The remainder ... domain into 104 subintervals, on which additions and divisions total 105 oating-point operations Thus, in the multidimensional case with six independent variables, the number of oating-point...

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Tài liệu Báo cáo khoa học: "Logistic Online Learning Methods and Their Application to Incremental Dependency Parsing" doc

Ngày tải lên : 20/02/2014, 12:20

... parsing In Proceedings of the CoNLL-X Michael Collins and Nigel Duffy 2002 New ranking algorithms for parsing and tagging: Kernels over dis- 54 crete structures, and the voted perceptron In Proceedings ... McCallum, and Fernando Pereira 2001 Conditional random ﬁelds: Probabilistic models for segmenting and labeling sequence data In Proceedings of the 18th International Conference on Machine Learning ... reduce overﬁtting is to use the average of all successive weight vectors as the result of the training (Freund and Schapire, 1999) Algorithm General form of online algorithms input Training set T...

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Báo cáo khoa học: Post-ischemic brain damage: pathophysiology and role of inﬂammatory mediators ppt

Ngày tải lên : 07/03/2014, 03:20

... proteoglycan and laminin, but also process a number of cell-surface and soluble proteins, including receptors, cytokines and chemokines [81] Thus, in addition to their physiological roles, such ... target (Fig 1) Indeed, IL-1ra reduces brain injury in animal models of cerebral ischemia and, in a recent randomized clinical trial, intravenous administration of recombinant human IL-1ra in patients ... mice and from in vitro studies suggests that cytokine activation might also involve other mechanisms [138–140] Interestingly, in vitro studies have described the involvement of MMPs in cytokine...

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Báo cáo khoa học: "Large Scale Collocation Data and Their Application to Japanese Word Processor Technology" potx

Ngày tải lên : 08/03/2014, 05:21

... data causes 8.1% and 10.5 % raise of CS and TS rate, respectively, in case of relatively short input strings (fl) The raise of SS rate for t"1 is 2.7% In case of the longer input strings (t2) whose ... necessi- Results of the experiments are given in Table and Table for input file fl and 12, respectively Comparing the statistics of system A with D, we can conclude that the introduction of approximately ... cost (b-cost) of a segmentation candidate By this, the collocation tends to have priority over the ordinary word The standard and initial value of each segment cost is 2, and it is increased by...

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Báo cáo khoa học: "Inference Rules and their Application to Recognizing Textual Entailment" ppt

Ngày tải lên : 08/03/2014, 21:20

... relations In In Proceedings of EMNLP, pages 41–48 Idan Szpektor, Eyal Shnarch, and Ido Dagan 2007 Instance-based evaluation of entailment rule acquisition In Proceedings of the 45th Annual Meeting of ... against Britain and the US in T entails one case in H Similarly, in this context, the dispute over their demand for extradition of Libyans charged with blowing up a Pan Am jet over Lockerbie in ... QuioneroCandela, J.; Dagan, I.; Magnini, B.; d’Alch-Buc, F Machine Learning Challenges Marie-Catherine de Marneffe, Anna N Rafferty, and Christopher D Manning 2008 Finding contradictions in text In...

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A BRIEF HISTORY OF PANICS AND THEIR PERIODICAL OCCURRENCE IN THE UNITED STATES pdf

Ngày tải lên : 29/03/2014, 12:20

... manufacturers and other active classes of the minority of our voters may influence; and only twice in our history, from 1789 to 1808, and from 1846 to 1860, have enough of the minority found their interests ... because of the obviously unusual cause of sudden and enormous calling in of government bonds, the basis of bank-note issue.] and a very small reserve in specie and legal-tender notes and poor and ... secure and retain the attention of readers of this class of books This same conciseness has also been imposed on our author by the inherent dryness and minuteness of his faithful inquiry into hundreds...

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RECENT ADVANCES ON META-HEURISTICS AND THEIR APPLICATION TO REAL SCENARIOS pot

Ngày tải lên : 29/03/2014, 21:20

... problems 90% of the times, for the test instances of type I, and the 80% of the times in the test instances of type II, and in a reduced amount of time (less than a second), also in instan‐ ces in which ... the genes of each offspring individual generated by the crossover operator Step – Evaluation, sorting and grouping of individuals by dominance and crowding dis‐ tance The offspring population P ... problem consists of minimizing (or maximizing) a set of objectives while satisfying a set of con‐ 11 12 Recent Advances on Meta-Heuristics and Their Application to Real Scenarios straints In a MOCO...

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