Homogenization methods

Xem 1-16 trên 16 kết quả Homogenization methods
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Colour Image Segmentation Using Homogeneity Method and Data Fusion Technique

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  • Different aspects of metal forming, consisting of process, tools and design, are presented in this book. The chapters of this book include the state of art and analysis of the processes considering the materials characteristics. The processes of hydroforming, forging and forming of sandwich sheet are discussed. Also, a chapter on topography of tools, and another chapter on machine tools are presented. Design of a programmable metal forming press and methods for predicting forming limits of sheet metal are described....

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  • The prototypical catalytic reductiveC–Cbond formations, the Fischer-Tropsch reaction [1] and alkene hydroformylation [2], were discovered in 1922 and 1938, respectively [3,4]. These processes, which involve reductive coupling to carbon monoxide, have long been applied to the industrial manufacture of commodity chemicals [5]. Notably, alkene hydroformylation, also known as the oxo-synthesis, has emerged as the largest volume application of homogeneous metal catalysis, accounting for the production of over 7 million metric tons of aldehyde annually.

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  • Steel Bridge Construction Figure 45.26a Erection of individual wire loops. Figure 45.26b Adjustment of individual wire loops. Figure 45.26 Cable-spinning procedure for constructing suspension bridge-parallel-wire main cables, showing details of aerial spinning method for forming individual 5 mm wires into strands containing 400 to 500 wires. Each wire loop is erected as shown in Figure 45.26a (refer to Figure 45.25), then adjusted to the correct sag as shown in Figure 45.26b. Each completed strand is banded with tape, then adjusted to the correct sag in each span.

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  • One of the most promising, generally applicable and well-adopted methods to enhance the surface performance of materials is the use of coatings. The reason is that it is extremely difficult and expensive to meet homogeneous materials having on their surface the ensemble of desired properties, such as high hardness, wear resistance, adequate stiffness, increased ductility, chemical inertness, stainlessness, controllable electrical and thermal conductivity behavior, etc.

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  • High-level synthesis – also called behavioral and architectural-level synthesis – is a key design technology to realize systems on chip/package of various kinds, whether single or multi-processors, homogeneous or heterogeneous, for the embedded systems market or not. Actually, as technology progresses and systems become increasingly complex, the use of high-level abstractions and synthesis methods becomes more and more a necessity. Indeed, the productivity of designers increases with the abstraction level, as demonstrated by practices in both the software and hardware domains.

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  • For the investigation of art in its early stages and in its widest sense—there is probably no fairer field than that afforded by aboriginal America, ancient and modern. At the period of discovery, art at a number of places on the American continent seems to have been developing surely and steadily, through the force of the innate genius of the race, and the more advanced nations were already approaching the threshold of civilization; at the same time their methods were characterized by great simplicity, and their art products are, as a consequence, exceptionally homogeneous. ...

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  • By means of the Hardy-Littlewood method, we apply a new mean value theorem for exponential sums to confirm the truth, over the rational numbers, of the Hasse principle for pairs of diagonal cubic forms in thirteen or more variables. 1. Introduction Early work of Lewis [14] and Birch [3], [4], now almost a half-century old, shows that pairs of quite general homogeneous cubic equations possess non-trivial integral solutions whenever the dimension of the corresponding intersection is suitably large (modern refinements have reduced this permissible affine dimension to 826; see [13]). ...

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  • Cardoso et al. Nanoscale Research Letters 2011, 6:370 http://www.nanoscalereslett.com/content/6/1/370 NANO EXPRESS Open Access The influence of the dispersion method on the electrical properties of vapor-grown carbon nanofiber/epoxy composites Paulo Cardoso1,2, Jaime Silva1,2, Donald Klosterman3, José A Covas2, Ferrie WJ van Hattum2, Ricardo Simoes2,4* and Senentxu Lanceros-Mendez1 Abstract The influence of the dispersion of vapor-grown carbon nanofibers (VGCNF) on the electrical properties of VGCNF/ Epoxy composites has been studied.

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  • Penna et al. AMB Express 2011, 1:25 http://www.amb-express.com/content/1/1/25 CORRECTION Open Access A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control Claudio Penna1, Rosana Massa1, Florencia Olivieri1, Gabriel Gutkind2 and Fabricio Cassán3* Correction The authors regret that an error appears in Penna etal. (2011). The fourth sentence in the section Formulation and evaluation of the selective medium “This compound was initially solubilized in 98% ethanol, sterilized using 0.

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  • Process costing is used in situations where homogeneous products or services are produced on a continuous basis. Costs flow through the manufacturing accounts in basically the same way in a process costing system as in a job-order costing system. However, costs are accumulated by department rather than by job in process costing. In process costing, the equivalent units of production must be determined for each cost cat- egory in each department.

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  • The goals of experimental neuroscience research are fundamentally to gain mechanistic understanding of the pathology of disease in order to identify appropriate targets for potential pharmacological intervention and evaluation of putative therapies. With the advances in gene manipulation and transgene technologies, we have unprecedented ability to generate animal models of disease that more closely mimic the clinical conditions. Noninvasive techniques capable of investigating altered pathophysiologies are now of paramount importance.

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  • Eukaryotic genomes are composed of isochores, i.e. long sequences relat-ively homogeneous in GC content. In this paper, the isochore structure of Arabidopsis thalianagenome has been studied using a windowless technique based on theZcurve method and intuitive curves are drawn for all the five chromosomes. Using these curves, we can calculate the GC content at any resolution, even at the base level.

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  • We address the issue of using heterogeneous treebanks for parsing by breaking it down into two sub-problems, converting grammar formalisms of the treebanks to the same one, and parsing on these homogeneous treebanks. First we propose to employ an iteratively trained target grammar parser to perform grammar formalism conversion, eliminating predefined heuristic rules as required in previous methods.

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  • The multicopper oxidase from the hyperthermophilic archaeonPyrobacu-lum aerophilum (McoP) was overproduced in Escherichia coliand purified to homogeneity. The enzyme consists of a single 49.6 kDa subunit, and the combined results of UV–visible, CD, EPR and resonance Raman spectroscopies showed the characteristic features of the multicopper oxidases. Analysis of the McoP sequence allowed its structure to be derived by comparative modeling methods.

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  • Many organelle enzymes coded for by nuclear genes have N-terminal sequences, which directs them into the organelle (precursor) and are removed upon import (mature). The experiments described below charac-terize the differences between the precursor and mature forms of water-melon glyoxysomal malate dehydrogenase. Using recombinant protein methods, the precursor (p-gMDH) and mature (gMDH) forms were puri-fied to homogeneity using Ni 2+ –NTA affinity chromatography.

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