Xem 1-20 trên 951 kết quả Activation products
  • We describe how movement is handled in a class of computational devices called active production networks (APNs). The APN model is a parallel, activation-basod framework that ha= been applied to other aspects of natural language processing. The model is briefly defined, the notation and mechanism for movement is explained, and then several examples are given which illustrate how various conditions on movement can naturally be explained in terms of limitations of the APN device. I.

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  • ... blows down based on conductivity, and makeup proportional systems ... pump is activated based on addition of a set amount of makeup to the cooling ... makeup ...

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  • Several industries will need to contribute to successfully achieve this renewable resources vision. The Executive Steering Group therefore turned to a broad range of disciplines, including crop production, forestry, genomics, chemical processing, fermentation, industrial enzymes, materials science, biotechnology, plant physiology, and product manufacturing. The steering group sought input on key barriers, research goals, and interactions among related areas from more than 120 scientific experts and marketing professionals.

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  • In this activity, you will participate in a class discussion to identify the factors that will impact the selection of a programming model. Microsoft Official Curriculum (MOC), available to IT Academies at a discounted price, is professional courseware intended for IT professionals and developers who build, support, and implement solutions by using Microsoft products and technologies. MOC is designed to cover the topics that employers know are mission-critical in the real world.

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  • This research examines how differences in the organization of brand information in memory between higher and lower knowledge consumers affects which brands are retrieved when consumers are provided with a usage situation. A spreading activation network model of memory is used to predict the results of an experiment where the usage situations were varied at encoding and repeated recall sessions.

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  • Sales of herbal products have increased dramatically over the past five years. Unfortunately, the knowledge base devoted to the adverse effects of these products has not grown in proportion to their increased usage. Data of questionable accuracy, often designed to sell products rather than to provide objective information, can be found in the print and electronic media, most notably on the Internet. Even in medical journals, misleading information about the beneficial and adverse effects of herbs can be found....

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  • Pharmaceutical products covered in the Pharmaceutical Zero-for-Zero Initiative can be imported either as bulk active ingredients or in dosage forms that can be packaged for retail sale. Products in dosage form are generally classified under chapter 30 of the HTS, where most of the subheadings are duty-free. Many of the bulk pharmaceutical active ingredients and chemical intermediates are classified under HTS subheadings that also contain non-pharmaceutical products and have rates of duty ranging from 0 to 6.5 percent ad valorem.

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  • The water-soluble crude polysaccharides obtained from the liquid culture broth of Cordyceps militaris by ethanol precipitation were fractionated by DEAE cellulose and Sepharose CL-6B column chromatography. This fractionation process resulted in three polysaccharide fractions that were termed CPSN Fr I, CPSN Fr II, and CPSN Fr III. Of the fractions, CPSN Fr II was able to upregulate the functional events mediated by activated macrophages, such as production of nitric oxide (NO) and expression of cytokines (IL-1 and TNF-).

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  • During the years surrounding the new millennium, the field of vibrational optical activity (VOA), comprised principally of vibrational circular dichroism (VCD) and vibrational Raman optical activity (ROA), underwent a transition from a specialized area of research that had been practiced by a handful of pioneers into an important newfield of spectroscopy practiced by an increasing number of scientists worldwide. This transition was made possible by the development of commercial instrumentation and software for the routine measurement and quantum chemical calculation ofVOA.

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  • Information Systems have played an increasingly visible role over the past several years in improving the competitiveness of business. They are more than just tools for handling repetitive tasks; they will guide and advance all of a company’s daily activities. Integrated Management Software is today very often a key source of significant competitive advantage.

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  • Dalton et al. reported the average production costs and returns for 2004 from a sample of 30 organic dairy farms in Vermont and Maine. They reported a total cost for organic milk production of $22.58 per cwt, before a deduction for unpaid operator labor and management, which was not significantly different from milk revenues. Thus organic milk production did not generate any return to unpaid labor and management nor did it produce a positive return to farm assets or equity.

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  • Supreme Court justices are an aging tribe. Their longevity is a product of the legal safeguards established to ensure their independence. They are entitled to serve (and keep on serving) during “good behavior,” which means (in practical effect) as long as they want to. And they invariably want to for a very long time. The justices now in place are an especially elderly lot. Then again, they, too, are mortal. Vacancies occasionally appear to be fi lled by comparatively youthful men and women whose nominations evoke heated debate....

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  • As the U.S. Army transforms its combat force, inevitably the institu- tional Army—the “generating force” that fills and sustains the Army’s combat units—must change as well. Stabilizing soldiers at posts and in units demands different personnel and training routines from those that supported the Army’s long-standing “individual replacement” system.

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  • Cytochrome P450 enzymes promote a number of oxidative biotransformations including the hydroxylation of unacti-vated hydrocarbons.

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  • In this chapter, you will learn how globalization affects international marketing activities. You will also: Explore how firms develop their international product strategies. understand how companies blend product and promotional strategies for international markets, and examine the elements that influence international distribution and pricing strategies.

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  • Glutaminase from Micrococcus luteusK-3 [Micrococcusglutaminase (Mglu); 456 amino acid residues (aa); 48 kDa] is a salt-tolerant enzyme. Our previous study determined the structure of its major 42-kDa fragment. Here, using new crystallization conditions, we determined the structures of the intact enzyme in the presence and absence of its product l-glutamate and its activator Tris, which activates the enzyme by sixfold.

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  • Bacterial fructansucrase enzymes belong to glycoside hydrolase family 68 and catalyze transglycosylation reactions with sucrose, resulting in the syn-thesis of fructooligosaccharides and⁄or a fructan polymer. Significant dif-ferences in fructansucrase enzyme product specificities can be observed, i.e.

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  • GenesSNO1 and SNZ1 are Saccharomyces cerevisiae homologues ofPDX2andPDX1which participate in pyri-doxine synthesis in the fungusCercospora nicotianae.In order to clarify their function, the two genesSNO1and SNZ1were expressed inEscherichia colieither individually or simultaneously and with or without a His-tag. When expressed simultaneously, the two protein products formed a complex and showed glutaminase activity.

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  • Microorganisms produce a large number of pharmaco-logically and biotechnologically important peptides by using nonribosomal peptide synthetases (NRPSs). Due to their modular arrangement and their domain organization NRPSs are particularly suitable for engineering recom-binant proteins for the production of novel peptides with interesting properties.

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  • During the past several decades, air quality in homes and office buildings has become a matter of increasing concern. Indoor air concentrations of volatile organic compounds are often significantly higher than outside due to VOC emissions from building materials, furnishings, and occupant’s activities. This problem was exacerbated following the energy crisis in the 1970s as homeowners and builders improved the energy efficiency of their buildings by decreasing air exchange rates.

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