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Der Ring des Nibelungen --- Wagner, Richard

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Organic compounds --- Ring formation (Chemistry). --- Synthesis. --- Ring formation (Chemistry) --- Cyclization (Chemistry) --- Cycloaddition --- Exo-condensation --- Chemical reactions --- Chemistry, Organic --- Chemistry, Synthetic organic --- Organic synthesis (Chemistry) --- Synthetic organic chemistry --- Synthesis

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This self-contained monograph is the first to feature the intersection of the structure theory of noncommutative associative algebras and the algorithmic aspect of Groebner basis theory. A double filtered-graded transfer of data in using noncommutative Groebner bases leads to effective exploitation of the solutions to several structural-computational problems, e.g., an algorithmic recognition of quadric solvable polynomial algebras, computation of GK-dimension and multiplicity for modules, and elimination of variables in noncommutative setting. All topics included deal with algebras of (q-)differential operators as well as some other operator algebras, enveloping algebras of Lie algebras, typical quantum algebras, and many of their deformations.

Associative rings --- Grobner bases. --- ALGEBRA --- Filtered rings. --- Gröbner bases --- Algebra --- Filtered rings --- Data processing. --- data processing. --- Data processing --- Grèobner bases --- Mathematical Theory --- Mathematics --- Physical Sciences & Mathematics --- Associative rings. --- Rings (Algebra). --- Algorithms. --- Associative Rings and Algebras. --- Algorism --- Arithmetic --- Algebraic rings --- Ring theory --- Algebraic fields --- Rings (Algebra) --- Foundations --- Associative rings - Data processing. --- ALGEBRA - data processing. --- Algebra - Data processing

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Since the last ASI in Turkey in Sept. 1995, the olefin metathesis has made remarkable strong developments with an incredible speed in various directions. New catalyst systems have been developed which have resulted in the synthesis of novel materials. Other fascinating developments have been the new catalysts for stereoselective metathesis and catalysts with considerable functional group tolerance. These new catalysts in addition to Ring Opening Metathesis Polymerisation (ROMP) and Acyclic Diene Metathesis (ADMET) are now powerful tools for Ring Closing Metathesis (RCM) and have found many applications in the synthesis of natural products. A lot of information has been established about all aspects of the olefin metathesis and there is a vast literature concerning the process, covering the initiators, mechanistic features and applications of this reaction in organic and polymer synthesis. The NATO ASI on rd th ROMP and Related Chemistry took place in Polanica-Zdroj, Poland during 3 to 15 Sept. 2000, to highlight the developments in this area and to discuss the prospects and visions for the year 2000 and beyond. The aims of the ASI were: to provide a platform for dissemination of knowledge; to promote communication between people who have a serious interest in this field of chemistry; to help establishing international scientific contacts and to provide an opportunity for the scientists with an appropriate scientific background to learn of recent developments in this field of science. There were 15 lecturers and 67 participants in this NATO ASI.

Ring-opening polymerization --- Chemistry --- Physical Sciences & Mathematics --- Organic Chemistry --- Polymérisation par ouverture de cycle --- Congresses. --- Congrès --- Organic chemistry. --- Physical chemistry. --- Chemical engineering. --- Polymers  . --- Inorganic chemistry. --- Organic Chemistry. --- Physical Chemistry. --- Industrial Chemistry/Chemical Engineering. --- Polymer Sciences. --- Inorganic Chemistry. --- Inorganic chemistry --- Inorganic compounds --- Polymere --- Polymeride --- Polymers and polymerization --- Macromolecules --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Engineering --- Chemistry, Technical --- Metallurgy --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Organic chemistry

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This volume contains monographs prepared at the fifty-eighth meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), which met in Rome, Italy, from 21 to 27 February 2002. The toxicological monographs in this volume summarize the safety data on the veterinary drug residues that were evaluated toxicologically by the Committee, which included two anthelminthic agents (doramectin and tiabendazole) and one antimicrobial agent (cefuroxime). The data summarized in these monographs served as the basis for the evaluations performed by the Committee. This volume and others in the WHO F

Feed additive residues -- Analysis -- Congresses. --- Feed additive residues -- Toxicology -- Congresses. --- Food contamination -- Analysis -- Congresses. --- Veterinary drug residues -- Analysis -- Congresses. --- Veterinary drug residues -- Toxicology -- Congresses. --- Antiparasitic Agents --- Body Burden --- Pharmaceutical Preparations --- Food Safety --- Cefotaxime --- Environmental Pollution --- Evaluation Studies as Topic --- Cephacetrile --- Investigative Techniques --- Public Health --- Anti-Infective Agents --- Chemicals and Drugs --- Therapeutic Uses --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Cephalosporins --- Environment and Public Health --- Health Care --- beta-Lactams --- Pharmacologic Actions --- Thiazines --- Lactams --- Sulfur Compounds --- Azabicyclo Compounds --- Chemical Actions and Uses --- Organic Chemicals --- Bicyclo Compounds, Heterocyclic --- Amides --- Bicyclo Compounds --- Bridged Compounds --- Polycyclic Compounds --- Cefuroxime --- Food Contamination --- Drug Evaluation --- Anthelmintics --- Drug Residues --- Veterinary Drugs --- Bridged Bicyclo Compounds, Heterocyclic --- Bridged Bicyclo Compounds --- Bridged-Ring Compounds --- Lactims --- Community-Based Distribution --- Contraceptive Distribution --- Delivery of Healthcare --- Dental Care Delivery --- Distribution, Non-Clinical --- Distribution, Nonclinical --- Distributional Activities --- Healthcare --- Healthcare Delivery --- Healthcare Systems --- Non-Clinical Distribution --- Nonclinical Distribution --- Delivery of Dental Care --- Health Care Delivery --- Health Care Systems --- Activities, Distributional --- Activity, Distributional --- Care, Health --- Community Based Distribution --- Community-Based Distributions --- Contraceptive Distributions --- Deliveries, Healthcare --- Delivery, Dental Care --- Delivery, Health Care --- Delivery, Healthcare --- Distribution, Community-Based --- Distribution, Contraceptive --- Distribution, Non Clinical --- Distributional Activity --- Distributions, Community-Based --- Distributions, Contraceptive --- Distributions, Non-Clinical --- Distributions, Nonclinical --- Health Care System --- Healthcare Deliveries --- Healthcare System --- Non Clinical Distribution --- Non-Clinical Distributions --- Nonclinical Distributions --- System, Health Care --- System, Healthcare --- Systems, Health Care --- Systems, Healthcare --- Chemical Actions --- Actions, Chemical --- Actions, Pharmacologic --- Critique --- Evaluation --- Evaluation Indexes --- Evaluation Methodology --- Evaluation Report --- Evaluation Research --- Methodology, Evaluation --- Pre-Post Tests --- Qualitative Evaluation --- Quantitative Evaluation --- Theoretical Effectiveness --- Use-Effectiveness --- Critiques --- Effectiveness, Theoretical --- Evaluation Methodologies --- Evaluation Reports --- Evaluation, Qualitative --- Evaluation, Quantitative --- Evaluations --- Evaluations, Qualitative --- Evaluations, Quantitative --- Indexes, Evaluation --- Methodologies, Evaluation --- Pre Post Tests --- Pre-Post Test --- Qualitative Evaluations --- Quantitative Evaluations --- Report, Evaluation --- Reports, Evaluation --- Research, Evaluation --- Test, Pre-Post --- Tests, Pre-Post --- Use Effectiveness --- Pollution, Environmental --- Soil Pollution --- Pollution, Soil --- Aventis Brand of Cefotaxime Sodium --- Aventis Pharma Brand of Cefotaxime Sodium --- Benaxima --- Biosint --- Cefotaxim --- Cefotaxime Sodium --- Cefradil --- Cephotaxim --- Claforan --- Fotexina --- Fustery Brand of Cefotaxime Sodium --- Galen Brand of Cefotaxime Sodium --- HR-756 --- Hoechst Brand of Cefotaxime Sodium --- Kendrick --- Klaforan --- Liomont Brand of Cefotaxime Sodium --- Merck Brand of Cefotaxime Sodium --- Pisa Brand of Cefotaxime Sodium --- Primafen --- Ru-24756 --- Taporin --- Viken Brand of Cefotaxime Sodium --- HR 756 --- HR756 --- Ru 24756 --- Ru24756 --- Sodium, Cefotaxime --- Safety, Food --- Pharmaceutic Preparations --- Pharmaceutical Products --- Preparations, Pharmaceutical --- Drugs --- Preparations, Pharmaceutic --- Products, Pharmaceutical --- Body Burdens --- Burden, Body --- Burdens, Body --- Antiparasitic Drugs --- Antiparasitics --- Parasiticides --- Agents, Antiparasitic --- Drugs, Antiparasitic --- Cephalosporanic Acids --- Antibiotics, Cephalosporin --- Acids, Cephalosporanic --- Cephalosporin Antibiotics --- Therapeutic Effects --- Effects, Therapeutic --- Uses, Therapeutic --- Anti-Microbial Agents --- Antiinfective Agents --- Antimicrobial Agents --- Microbicides --- Agents, Anti-Infective --- Agents, Anti-Microbial --- Agents, Antiinfective --- Agents, Antimicrobial --- Anti Infective Agents --- Anti Microbial Agents --- Environment, Preventive Medicine & Public Health --- Environment, Preventive Medicine and Public Health --- Health, Public --- Investigative Technics --- Investigative Technic --- Investigative Technique --- Technic, Investigative --- Technics, Investigative --- Technique, Investigative --- Techniques, Investigative --- Drug, Veterinary --- Pharmaceuticals, Veterinary --- Veterinary Drug --- Veterinary Pharmaceuticals --- Drugs, Veterinary --- Drug Residue --- Residue, Drug --- Residues, Drug --- Antihelmintics --- Vermifuges --- Drug Evaluation Studies --- Evaluation Studies, Drug --- Drug Evaluation Study --- Drug Evaluations --- Evaluation Study, Drug --- Evaluation, Drug --- Evaluations, Drug --- Studies, Drug Evaluation --- Study, Drug Evaluation --- Food Adulteration --- Adulteration, Food --- Adulterations, Food --- Contamination, Food --- Contaminations, Food --- Food Adulterations --- Food Contaminations --- Compounds, Polycyclic --- Chemicals, Organic --- Azabicyclo(1.1.0)Butanes --- Azabicyclo(2.2.2)Octanes --- Azabicyclo(3.3.1)Nonanes --- Azabicyclo(4.3.0)Nonanes --- Azabicyclo(5.2.2)Undecanes --- Compounds, Sulfur --- 4-Thia-1-Azabicyclo(3.2.0)Heptanes --- 4-Thia-1-Azabicyclo(4.2.0)Octanes --- beta Lactams --- C-36278-Ba --- Celospor --- Cephacetrile Sodium --- Cefacetrile --- C 36278 Ba --- C36278Ba --- Sodium, Cephacetrile --- Cephuroxime --- Ketocef --- Zinacef --- Bridged Ring Compounds --- Bicyclo Compounds, Bridged --- Bicyclic Heterocyclic Compounds --- Heterocyclic Bicyclo Compounds --- Heterocyclic Cpds, Bicyclic --- Bicyclic Heterocyclic Cpds --- Heterocyclic Compounds, Bicyclic --- Pharmacological and Toxicological Phenomena --- Drug Therapy --- Environmental Pollutants --- Dietary Exposure --- Hazard Analysis and Critical Control Points --- Pharmacology --- Drug Dosage Calculations --- In Vivo Dosimetry --- Infection --- Parasites --- Community Health --- Health, Community --- Preventive Medicine --- Education, Public Health Professional --- Helminthiasis --- Drugs, Investigational --- Hydrocarbons, Cyclic --- Pharmaceuticals --- Infections --- Sulfur Compound --- Compound, Sulfur --- Lactam --- Lactim --- beta-Lactam --- beta Lactam --- Drug --- Pharmaceutical --- Pharmaceutical Preparation --- Pharmaceutical Product --- Preparation, Pharmaceutical --- Product, Pharmaceutical --- Antiparasitic --- Cephalosporanic Acid --- Cephalosporin --- Cephalosporin Antibiotic --- Acid, Cephalosporanic --- Antibiotic, Cephalosporin --- Therapeutic Effect --- Therapeutic Use --- Effect, Therapeutic --- Use, Therapeutic --- Anti-Infective Agent --- Anti-Microbial Agent --- Antimicrobial Agent --- Microbicide --- Agent, Anti-Infective --- Agent, Anti-Microbial --- Agent, Antimicrobial --- Anti Infective Agent --- Anti Microbial Agent --- Anthelmintic --- Antihelmintic --- Vermifuge --- Amide --- Organic Chemical --- Chemical, Organic --- analysis. --- veterinary. --- toxicity.