Scientific library

Xem 1-20 trên 82 kết quả Scientific library
  • I shall commence this chapter by a description of Spanish Guiana (Provincia de la Guyana), which is a part of the ancient Capitania general of Caracas. Since the end of the sixteenth century three towns have successively borne the name of St. Thomas of Guiana. The first was situated opposite to the island of Faxardo, at the confluence of the Carony and the Orinoco, and was destroyed* by the Dutch, under the command of Captain Adrian Janson, in 1579. (* The first of the voyages undertaken at Raleigh's expense was in 1595; the second, that of Laurence Keymis, in...

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  • A tablon, equal to 1849 square toises, contains nearly an acre and one-fifth: a legal acre has 1344 square toises, and 1.95 legal acre is equal to one hectare. A torta weighs three quarters of a pound, and three tortas cost generally in the province of Caracas one silver rial, or one-eighth of a piastre. It is sufficient to mention, that the cubic foot contains 2,985,984 cubic lines. Foot (old measure of France) about five feet three inches English measure.

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  • Phage display technology is a powerful selection approach to identify strong and specific binders to a large variety of targets. In this study, we compared the efficacy of a phage library displaying human heavy chain complementarity determining region 3 (HCDR3) repertoires with a set of conventional random peptide libraries for the identification of CXCR4

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  • Foma is a compiler, programming language, and C library for constructing finite-state automata and transducers for various uses. It has specific support for many natural language processing applications such as producing morphological and phonological analyzers. Foma is largely compatible with the Xerox/PARC finite-state toolkit. It also embraces Unicode fully and supports various different formats for specifying regular expressions: the Xerox/PARC format, a Perl-like format, and a mathematical format that takes advantage of the ‘Mathematical Operators’ Unicode block. ...

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  • Research purpose: Giving arguments, the scientific basis of the theoretical and practical of IR development and propose possible solutions for the development of IR of the public library system in Vietnam in terms of quantity and quality to meet the demand of users.

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  • In this article, different definitions of the term Digital Libraries are discussed. Two major definitions are dwelled upon: one emerging from the library world and the other from the world of scientific research.

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  • Design patterns provide good solutions for problems occurred in the design stage. Using design patterns in the software development processes helps improve productivity and quality of software products. Pattern Oriented Analysis and Design Process has four steps related to patterns, namely the acquaintance with design patterns in the pattern library, the retrieval of the pattern candidate, the selection of suitable patterns and the application of selected patterns.

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  • Aleksander Peczenik unexpectedly died in 2005 at the age of 68. At that time, he was still very active both as the chairman of the IVR (International Association for Philosophy of Law and Social Philosophy) and as a scientist. During his prolific scientific career, Peczenik wrote several books, and it is a hazardous enterprise to pick out one of them as the most important one. If this hazardous enterprise needs to be undertaken, however, On Law and Reason would be a responsible choice.

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  • The inner magnetosphere is an important region of space plasma because it is one of the “kitchens” for space weather effects. The scientific understanding of this region is important for predicting the interaction between space environmental conditions and human activities. The inner magnetospheric plasma is a unique composition of different plasma particles and waves. It covers a huge plasma energy range with spatial and time variations of many orders of magnitude.

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  • The Gram-positive soil bacteriumCellulomonas fimiis shown to produce at least two intracellular b-N-acetylglucosaminidases, a family 20 b-N-acetyl-hexosaminidase (Hex20), and a novel family 3-b-N-acetylglucosamini-dase⁄b-glucosidase (Nag3), through screening of a genomic expression library, cloning of genes and analysis of their sequences.

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  • This studydescribesamodifiedcolorimetricassay foruricase activity in flexible 96-well microtiter plates using the uricase/ uric acid/horseradish peroxidase/4-aminoantipyrine/3,5-dichloro-2-hydroxybenzene sulfonate colorimetric reaction. The utility of this assay was demonstrated in a screen for mutant uricase enzymes derived from theuricasegene of the thermophilic bacteriumBacillus subtilisby a modified stag-gered extension process (StEP) mutagenesis. AnEscherichia coli library of StEP-derived uricase mutant clones was screened yielding two identical active mutanturicasegenes....

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  • Embedded software grows more and more rapidly and complicatedly. This paper proposes a new structure and a comprehensible process to develop embedded software in JNI, a new programming framework allowing Java code running in a JVM to call or be called by native application and library written in C/C++. Therefore, programmer can develop application that benefit the simplicity and reusability features of Java and can always reuse legacy code for controlling device effectively written in C/C++ for embedded applications. ...

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  • Previous studies have suggested that microRNAs (miRNAs) may play important roles in tumorigenesis, but little is known about the functions of most miRNAs in cancer development. In the present study, we set up a cell-based screen using a luciferase reporter plasmid carrying the whole 4.7 kb 3¢-UTR of estrogen receptor a(ERa) mRNA cotransfected with a synthetic miRNA expression library to identify potential ERa-targeting miRNAs.

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  • Antibodies and their fragments are attractive binding proteins because their high binding strength is generated by several hypervariable loop regions, and because high-quality libraries can be prepared from the vast gene clus-ters expressed by mammalian lymphocytes. Recent explorations of new genome sequences and protein structures have revealed various small, nonantibody scaffold proteins.

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  • GF is a grammar formalism that has a powerful type system and module system, permitting a high level of abstraction and division of labour in grammar writing. GF is suited both for expert linguists, who appreciate its capacity of generalizations and conciseness, and for beginners, who benefit from its static type checker and, in particular, the GF Resource Grammar Library, which currently covers 12 languages.

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  • Chlamydomonas reinhardtii, a unicellular green alga, contains a hydrogenase enzyme, which is induced by anaerobic adaptation of the cells. Using the suppression subtractive hybridization (SSH) approach, the differential expression of genes under anaerobiosis was analyzed. A PCR fragment with similarity to the genes of bacterial Fe-hydrogenases was isolated and used to screen an anaerobic cDNA expression library of C. reinhardtii.

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  • A cDNA encoding 6-phosphofructo-2-kinase/fructose-2,6bisphosphatase was isolated from a Spinacia oleracea leaf library and used to express a recombinant enzyme in Escherichia coli and Spodoptera frugiperda cells. The insoluble protein expressed in E. coli was purified and used to raise antibodies. Western blot analysis of a protein extract from spinach leaf showed a single band of 90.8 kDa. Soluble protein was purified to homogeneity from S. frugiperda cells infected with recombinant baculovirus harboring the isolated cDNA. ...

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  • Carole A Estabrooks*1, Shannon Scott1, Janet E Squires1, Bonnie Stevens2, Linda O'Brien-Pallas3, Judy Watt-Watson3, Joanne Profetto-McGrath1, Kathy McGilton4, Karen Golden-Biddle5, Janice Lander1, Gail Donner3, Geertje Boschma6, Charles K Humphrey7 and Jack Williams8 Address: 1Faculty of Nursing, University of Alberta, Edmonton, Canada, 2Faculty of Nursing, University of Toronto and Hospital for Sick Children, Toronto, Canada, 3Faculty of Nursing, University of Toronto, Toronto, Canada, 4Toronto Rehabilitation Institute, Toronto, Canada, 5School of Management, Boston University, Boston, US...

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  • Cathelicidins comprise a family of antimicrobial peptides sharing a highly conserved cathelin domain, which play a central role in the early innate host defense against infection. In the present study, we report three novel avian cathelicidin orthologs cloned from a constructed spleen cDNA library of Coturnix coturnix, using a nested-PCR-based cloning strategy.

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  • Phage display of antibody libraries is a powerful tool for antibody discov-ery and evolution. Recombinant antibodies have been displayed on phage particles as scFvs or Fabs, and more recently as bivalent F(ab¢)2.We recently developed a technology (E-clonal) for screening of combinatorial IgG libraries using bacterial periplasmic display and selection by fluores-cence-activated cell sorting (FACS) [Mazor Yet al.

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