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1. |
Record Nr. |
UNISA996465763803316 |
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Titolo |
Automata, Languages and Programming [[electronic resource] ] : Seventh Colloquium, Noordwijkerhout, The Netherlands, July 14-18, 1980. Proceedings / / edited by J. W. de Bakker, J. van Leeuwen |
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Pubbl/distr/stampa |
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Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1980 |
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ISBN |
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Edizione |
[1st ed. 1980.] |
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Descrizione fisica |
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1 online resource (X, 671 p.) |
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Collana |
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Lecture Notes in Computer Science, , 0302-9743 ; ; 85 |
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Disciplina |
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Soggetti |
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Computer programming |
Computers |
Mathematical logic |
Programming Techniques |
Computation by Abstract Devices |
Mathematical Logic and Formal Languages |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Bibliographic Level Mode of Issuance: Monograph |
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Nota di contenuto |
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How to get rid of pseudoterminals -- Test sets for homomorphism equivalence on context free languages -- Languages with homomorphic replacements -- Functions equivalent to integer multiplication -- Languages with reducing reflexive types -- Semantics of unbounded nondeterminism -- A shifting algorithm for min-max tree partitioning -- A characterisation of computable data types by means of a finite equational specification method -- A note on sweeping automata -- Border rank of a p×q×2 tensor and the optimal approximation of a pair of bilinear forms -- Derivations et reductions dans les grammaires algebrioues -- Semantic analysis of communicating sequential processes -- Dos systems and languages -- Algebraic implementation of abstract data types: concept, syntax, semantics and correctness -- Parameterized data types in algebraic specification languages -- Characterizing correctness properties of parallel programs using fixpoints -- Formal properties of one-visit and multi-pass attribute grammars (extended abstract) -- |
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Cryptocomplexity and NP-completeness -- On the analysis of tree-matching algorithms -- Generating and searching sets induced by networks -- The complexity of the inequivalence problem for regular expressions with intersection -- An almost linear time algorithm for computing a dependency basis in a relational data base -- Bipolar synchronization systems -- Testing of properties of finite algebras -- A transaction model -- On observing nondeterminism and concurrency -- Terminal algebra semantics and retractions for abstract data types -- The complexity of semilinear sets -- A theory of nondeterminism -- A representation theorem for models of *-free PDL -- Present-day Hoare-like systems for programming languages with procedures: Power, limits and most likely extensions -- Symmertric space-bounded computation (extended abstract) -- On some properties of local testability -- Semantics :Algebras,fixed points,axioms -- Measuring the expressive power of dynamic logics: An application of abstract model theory -- Pebbling mountain ranges and its application to DCFL-recognition -- Space-restricted attribute grammars -- A constructive approach to compiler correctness -- A worst-case analysis of nearest neighbor searching by projection -- Proprietes syntactiques du produit non ambigu -- On the optimal assignment of attributes to passes in multi-pass attribute evaluators -- Optimal unbounded search strategies -- A "fast implementation" of a multidimensional storage into a tree storage -- Grammatical families -- Partitioned chain grammars -- An improved program for constructing open hash tables -- On the power of commutativity in cryptography -- Characterizations of the LL(k) property -- Computability in categories -- On the size complexity of monotone formulas -- Reversible computing -- The use of metasystem transition in theorem proving and program optimization -- On the power of real-time turing machines under varying specifications. |
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2. |
Record Nr. |
UNINA9910695363603321 |
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Autore |
Johnson Robert D (Robert David), <1974-> |
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Titolo |
Simultaneous quantitation of atenolol, metoprolol, and propranolol in biological matrices via LC/MS [[electronic resource] ] : final report / / Robert D. Johnson, Russell J. Lewis |
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Pubbl/distr/stampa |
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Washington, DC : , : U.S. Dept. of Transportation, Federal Aviation Administration, Office of Aerospace Medicine |
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[Ft. Belvoir, VA] : , : [Available through the Defense Technical Information Center] |
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Springfield, VA : , : Available through the National Technical Information Service, , [2005] |
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Descrizione fisica |
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i, 18 pages : digital, PDF file |
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Altri autori (Persone) |
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Soggetti |
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Adrenergic beta blockers - Analysis |
Aircraft accidents |
Hypertension - Treatment |
Propanolamines - Analysis |
Adrenergic beta-Antagonists - analysis |
Accidents, Aviation |
Aerospace Medicine - methods |
Chromatography, Liquid - methods |
Hypertension - drug therapy |
Mass Spectrometry - methods |
Technical Report |
United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from PDF t.p. (viewed May 24, 2006). |
"May 2005." |
"DOT/FAA/AM-05/10." |
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Nota di bibliografia |
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Includes bibliographical references (pages 6-7). |
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Sommario/riassunto |
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Hypertension is a growing medical concern in the United States. With an increasing number of Americans suffering from hypertension every |
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year, the use of antihypertensive medications such as beta-blockers has increased as well. Three beta-blocker medications--atenolol, metoprolol, and propranolol--were among the 200 most prescribed drugs in the United States in 2003, ranked 4, 14, and 165, respectively. Pilots that successfully manage their hypertension either with diet, exercise, and/or medication may remain medically certified to operate an aircraft. However, these pilots are closely monitored to ensure that their hypertension is properly controlled. The FAA classifies approximately 8% of all active civil aviation pilots as "hypertensive with medication." Toxicological evaluation of postmortem samples obtained from pilots is an important part of the investigation of fatal civil aviation accidents. During this evaluation it is not uncommon to detect beta-blocker compounds such as atenolol, metoprolol, or propranolol in the submitted biological samples. In forensic toxicology laboratories, these compounds are most commonly confirmed and/or quantitated by gas chromatography with mass spectrometric detection (GC/MS). Liquid chromatography coupled with mass spectrometric detection (LC/MS), however, is becoming increasingly more prevalent in the field of forensic toxicology and is considered a superior alternative to GC/MS for the analysis of many compounds. There are very few analytical LC/MS methods published for the determination of beta-blockers from biological specimens. Furthermore, we were unable to find any citation for the toxicological determination of beta-blockers in postmortem fluid and tissue specimens using LC/MS; in particular, atmospheric pressure chemical ionization (APCI) in conjunction with ion trap MS. This manuscript describes the validation and application of such a method. |
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