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  • Electronic books.  (4)
  • Cell & Developmental Biology  (2)
  • 3D external beam radiotherapy  (1)
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  • 1
    Online Resource
    Online Resource
    Oxford :Oxford University Press, Incorporated,
    Keywords: Birds -- Conservation -- America. ; Birds -- Migration -- America. ; Birds -- Ecology -- America. ; Birds -- Habitat -- America. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (506 pages)
    Edition: 1st ed.
    ISBN: 9780195359176
    DDC: 598.252/5/097
    Language: English
    Note: Intro -- Contents -- Introduction: Importance of Knowledge and its Application in Neotropical Migratory Birds -- PART I: POPULATION TRENDS -- 1 Population Trends from the North American Breeding Bird Survey -- 2 The Strength of Inferences about Causes of Trends in Populations -- PART II: TEMPORAL PERSPECTIVES ON POPULATION LIMITATION AND HABITAT USE -- 3 When and How are Populations Limited? The Roles of Insect Outbreaks, Fire, and Other Natural Perturbations -- 4 Summer versus Winter Limitation of Populations: What are the Issues and What is the Evidence? -- 5 Habitat Requirements During Migration: Important Link in Conservation -- 6 Habitat Use and Conservation in the Neotropics -- PART III: FOREST MANAGEMENT -- 7 Impacts of Silviculture: Overview and Management Recommendations -- 8 Effects of Silvicultural Treatments in the Rocky Mountains -- 9 Silviculture in Central and Southeastern Oak Pine Forests -- PART IV: GENERAL HUMAN EFFECTS -- 10 Effects of Agricultural Practices and Farmland Structures -- 11 An Assessment of Potential Hazards of Pesticides and Environmental Contaminants -- 12 Livestock Grazing Effects in Western North America -- PART V: SCALE PERSPECTIVES -- 13 Habitat Fragmentation in the Temperate Zone -- 14 A Landscape Ecology Perspective for Research, Conservation, and Management -- 15 Ecology and Behavior of Cowbirds and their Impact on Host Populations -- 16 Single-Species versus Multiple-Species Approaches for Management -- 17 Summary: Model Organisms for Advancing Understanding of Ecology and Land Management -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- K -- L -- M -- N -- O -- P -- R -- S -- T -- W.
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  • 2
    Keywords: Science-Philosophy. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (250 pages)
    Edition: 1st ed.
    ISBN: 9782346065783
    DDC: 501
    Language: French
    Note: Intro -- À propos de Collection XIX -- Titre -- INTRODUCTION -- I -- II -- III -- IV -- ESSAI I - LA SCIENCE ET LES SCIENCES -- II -- III -- IV -- ESSAI II - LA SCIENCE PHYSIOLOGIQUE ET L'HYPOTHÈSE MATÉRIALISTE -- ESSAI III - L'HÉTÉROGÉNIE ET L'ORIGINE DE LA VIE SUR LA TERRE -- I -- II -- III -- IV -- V -- ESSAI IV - L'AME ET LA VIE DU CORPS -- I - Définition des termes et position de la question -- II - Examen des principes et de la méthode -- III - Examen des conséquences -- IV - Écuelle à éviter -- V - Aperçu d'une doctrine, conciliante -- ESSAI V - DIEU LE MONDE ET L'INFINI MATHÉMATIQUE -- Ire PARTIE -- I -- II -- III -- IIe PARTIE -- I -- II -- ESSAI VI - LES SUPERSTITIONS DANGEREUSES POUR LA SCIENCE ET LEURS RAPPORTS AVEC LES SYSTÈMES DE LA PHILOSOPHIE MODERNE -- I - Rapports naturels des superstitions avec les principales doctrines sur la Divinité -- II - Les superstitions et le monothéisme chrétien -- III - Les superstitions et le rationalisme des déistes -- IV - Les superstitions et l'athéisme mystique qui veut être une religion -- V - Les superstitions et les philosophes panthéistes ou athées -- VI - La mystique dite naturelle de certains théologiens catholiques et protestants d'Allemagne -- VII - Théories mystiques et magiques des philosophes transcendentalistes -- VIII - Le magnétisme animal transcendant, les tables tournantes et parlantes, les médiums et les esprits -- IX - La science compromise par les superstitions issues soit d'un rationalisme visionnaire, soit d'un naturalisme panthéiste ou athée, mais protégée contre ces superstitions par la philosophie chrétienne -- COMPLÉMENT DE L'ESSAI III - ORIGINE DE LA VIE ANIMALE ET DE L'HOMME SUR LA TERRE -- Note au lecteur -- Page de titre de l'édition imprimée -- Copyright.
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  • 3
    Online Resource
    Online Resource
    Chicago :Prakash Books,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (500 pages)
    Edition: 1st ed.
    ISBN: 9789358562064
    Language: English
    Note: Intro -- Title -- Copyright -- Front Matter 1 -- Contents -- Preface -- Part I: Polyphase Currents -- 1. Biographical and Introductory -- 2. A New System of Alternating Current Motors and Transformers -- 3. The Tesla Rotating Magnetic Field-Motors with Closed Conductors-Synchronizing Motors-Rotating Field Transformers -- 4. Modifications and Expansions of the Tesla Polyphase Systems -- 5. Utilizing Familiar Types of Generator of the Continuous Current Type -- 6. Method of Obtaining Desired Speed of Motor or Generator -- 7. Regulator for Rotary Current Motors -- 8. Single Circuit, Self-Starting Synchronizing Motors -- 9. Change from Double Current to Single Current Motor -- 10. Motor with "Current Lag" Artificially Secured -- 11. Another Method of Transformation from a Torque to a Synchronizing Motor -- 12. "Magnetic Lag" Motor -- 13. Method of Obtaining Difference of Phase by Magnetic Shielding -- 14. Type of Tesla Single-Phase Motor -- 15. Motors with Circuits of Different Resistance -- 16. Motor with Equal Magnetic Energies in Field and Armature -- 17. Motors with Coinciding Maxima of Magnetic Effect in Armature and Field -- 18. Motor Based on the Difference of Phase in the Magnetization of the Inner and Outer Parts of an Iron Core -- 19. Another Type of Tesla Induction Motor -- 20. Combinations of Synchronizing Motor and Torque Motor -- 21. Motor with a Condenser in the Armature Circuit -- 22. Motor with Condenser in one of the Field Circuits -- 23. Tesla Polyphase Transformer -- 24. A Constant Current Transformer with Magnetic Shield Between Coils of Primary and Secondary -- Part II: The Tesla Effects With High Frequency and High Potential Currents -- 25. Introduction-The Scope of the Tesla Lectures -- 26. Experiments with Alternate Currents of Very High Frequency and their Application to Methods of Artificial Illumination. , 27. Experiments with Alternate Currents of High Potential and High Frequency -- 28. On Light and Other High Frequency Phenomena -- 29. Tesla Alternating Current Generators for High Frequency, in Detail -- 30. Alternate Current Electrostatic Induction Apparatus -- 31. "Massage" With Currents of High Frequency -- 32. Electric Discharge in Vacuum Tubes -- Part III: Miscellaneous Inventions and Writings -- 33. Method of Obtaining Direct from Alternating Currents -- 34. Condensers with Plates in Oil -- 35. Electrolytic Registering Meter -- 36. Thermo-Magnetic Motors and Pyro-Magnetic Generators -- 37. Anti-Sparking Dynamo Brush and Commutator -- 38. Auxiliary Brush Regulation of Direct Current Dynamos -- 39. Improvement in the Construction of Dynamos and Motors -- 40. Tesla Direct Current Arc Lighting System -- 41. Improvement in "Unipolar" Generators -- Part IV: Appendix-Early Phase Motors and the Tesla Mechanical and Electrical Oscillator -- 42. Mr. Tesla's Personal Exhibit at the World's Fair -- 43. The Tesla Mechanical and Electrical Oscillators -- Backcover.
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  • 4
    Online Resource
    Online Resource
    Charlottesville, Va : University of Virginia Library
    Keywords: Edison, Thomas A. ; Edison, Thomas A. 1847-1931 Edison, Thomas A. 1847-1931 ; Edison, Thomas A ; Edison, Thomas A. ; Inventors Biography ; United States ; Inventors Biography ; United States ; United States ; Inventors Biography ; Electronic books ; Inventors Biography. ; Electronic books. ; Electronic books Biography
    Type of Medium: Online Resource
    ISBN: 0585233187 , 9780585233185
    Series Statement: EBSCOhost eBook Collection
    Language: English
    Note: *Vol. 2* , The text for this NetLibrary eBook was obtained from the University of Virginia Library Electronic Text Center , Access may be limited to NetLibrary affiliated libraries , Mode of access: World Wide Web.
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  • 5
    ISSN: 1439-099X
    Keywords: Key Words: Prostate cancer ; HDR brachytherapy ; 3D external beam radiotherapy ; Androgen deprivation ; Dose volume histograms ; Schlüsselwörter: Prostatakarzinom ; HDR-Brachytherapie ; Externe 3D-Radiotherapie ; Androgendeprivation ; Dosis-Volumen-Histogramme
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Hintergrund: Auswertung der Praktikabilität, Verträglichkeit und Effektivität einer neuen interstitiellen 3D-HDR-Brachytherapie-Technik, kombiniert mit externer 3D-Radiotherapie und Androgendeprivation beim Prostatakarzinom. Patienten und Methoden: Von Januar 1997 bis August 1998 behandelten wir 35 Patienten mit Prostatakarzinomen im Stadium cT1–3 N0 M0. Die Daten von 32 Patienten mit einer Nachbeobachtungszeit von zwölf bis 28 Monaten (median: 18 Monate) wurden ausgewertet. Nach ultraschallgesteuerter transrektaler Implantation von vier nicht parallelen Nadeln erfolgte die CT-gestützte 3D-Brachytherapie-Planung (“Offenbach-System”). Alle Patienten erhielten vier Fraktionen der 3D-Brachytherapie mit einer Einzeldosis von 5 oder 7 Gy im Abstand von jeweils 14 Tagen. Anschließend erfolgte die externe 3D-Radiotherapie bis 39,6 oder 45,0 Gy. Alle Patienten erhielten zusätzlich eine Androgendeprivation, die zwei bis 19 Monate vor der Brachytherapie eingeleitet und drei Monate nach Abschluss der externen Radiotherapie abgesetzt wurde. Ergebnisse: Bei 29/32 Patienten (91%) sank der posttherapeutische PSA-Wert unter 1,5 ng/ml, davon bei 25 Patienten auf unter 0,5 ng/ml, bei vier Patienten auf 0,5 bis 1,5 ng/ml. Zwei Patienten entwickelten ein biochemisches Rezidiv. Die transrektale Implantation wurde sehr gut toleriert. Ein Patient entwickelte akute Grad-3-Toxizitäten des Harntraktes, kein Patient akute gastrointestinale Nebenwirkungen größer als Grad 1. Eine Grad-3-Spättoxizität des Harntraktes zeigte ein Patient, gastrointestinale Spättoxizitäten entwickelte kein Patient. Alle 140 Dosis-Volumen-Histogramme der 3D-HDR-Brachytherapie wurden ausgewertet. Schlussfolgerung: Die neue 3D-HDR-Brachytherapie-Technik, kombiniert mit externer 3D-Radiotherapie und Androgendeprivation, stellt eine praktikable, bisher gut verträgliche und effektive Therapiemodalität nach Kurzzeitnachbeobachtung von median 18 Monaten dar.
    Notes: Background: Evaluation of feasibility, tolerance and efficiency for a new 3D interstitial HDR brachytherapy technique combined with 3D external beam radiotherapy and androgen deprivation for prostate cancer. Patients and Methods: Between January 1997 and August 1998 we treated 35 patients with Stage cT1–3 N0 M0 prostate cancer. Thirty-two patients with a follow-up of 12 to 28 months (median: 18 months) were evaluated. After ultrasound-guided transrectal implantation of 4 non-parallel needles, CT based 3D brachytherapy treatment planning (“Offenbach system”) was performed. All patients received 4 fractions brachytherapy using a fractional dose of 5 or 7 Gy. Time between each fraction was 14 days. After brachytherapy 3D external irradiation followed up to 39.6 or 45.0 Gy. All patients received androgen deprivation, starting 2 to 19 months before brachytherapy, ending 3 months after 3D external radiotherapy. Results: Posttreatment PSA levels dropped to 〈 1.5 ng/ml in 29/32 patients (91%). In 25 patients PSA levels were 〈 0.5 ng/ml, in 4 patients 0.5 to 1.5 ng/ml. In 2 patients we noted biochemical relapse. Transrectal implantation was very well tolerated. Grade 3 acute urinary toxicity occurred in 1 patient. We noted no Grade 2 or higher acute gastrointestinal toxicity. One patient developed a Grade 3 late urinary toxicity. No patient showed late gastrointestinal side effects. All 140 dose-volume histograms for 3D HDR brachytherapy were analyzed. Conclusions: The new 3D HDR brachytherapy technique, combined with 3D external irradiation and androgen deprivation, is a feasible, so far well tolerated and effective treatment in the short-time follow-up of median 18 months.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 109 (1981), S. 289-297 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: GH pituitary cells have been widely utilized for studies of hormone response mechanisms. Studies reported here were motivated by the desirability of isolating characterized GH clones defective in cyclic AMP synthesis or action. Spontaneously occurring GH1 cell variants resistant to the growthinhibitory effects of cyclic AMP analogs were isolated. Characterization of four variants showed that these were deficient in adenosine kinase and had acquired resistance to the cytotoxic effects of purine nucleoside derivatives formed in the culture medium. A second-stage selection was undertaken with mutagenized adenosine kinase-deficient cells. One 8 Br cAMP-resistant variant was found to have normal cyclic AMP-dependent protein kinase activity but exhibited altered adenylate cyclase activity. Activation of cyclase activity by fluoride, guanyl nucleotides, cholera toxin, and hormone (VIP) was subnormal in the variant. Mndependent cyclase activity was also subnormal, suggesting that the 8 Br cAMP-resistant variant may have a deficiency in the catalytic moiety of adenylate cyclase.Surprisingly, adenosine 3′ :5′ -monophosphate and 5′ -monophosphate derivatives were found to be equally potent in growth-inhibiting adenosine kinasedeficient cells. Cross-resistance to 8 Br AMP was observed in the 8 Br cAMP-resistant variant. We conclude that cyclic AMP derivatives inhibit growth of GH cells by an unanticipated mechanism that is, nonetheless, related to endogenous cyclic AMP synthesis.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 103 (1980), S. 489-502 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Previous studies (J. Biol. Chem, 253: 99-105, 1978) showed that thyrotropin-releasing hormone (TRH) acutely stimulated uridine uptake in pituitary cell (GH4C1) cultures. Studies on the role of protein synthesis in this response to TRH led to the finding that an inhibitor of ribosomal translation, cycloheximide, also stimulated uridine uptake acutely. Studies reported here attempt to determine the mechanism of cycloheximide action and whether cycloheximide and hormone stimulation of uridine uptake occurred by similar pathways. The experiments presented indicate that: (1) seven inhibitors of ribosomal translation stimulated uridine uptake; (2) in contrast, inhibition of protein synthesis at tRNA aminoacylation resulted in reduced rates of uridine uptake; (3) inhibition of tRNA aminoacylation blocked cycloheximide but not TRH stimulation of uptake; (4) cycloheximide stimulation of uptake was restricted to amino acid-depleted cultures; (5) amino acid supplementation stimulated uridine uptake with a time-course identical to that of cycloheximide; (6) cycloheximide and amino acid supplementation promoted reacylation of cellular tRNAs in amino acid-depleted cultures; and (7) cycloheximide stimulation of uridine uptake resulted from enhanced nucleoside phosphorylation rather than increased uridine transport. We conclude that cycloheximide and amino acid stimulation of uridine phosphorylation may be mediated through a common pathway involving the extent of amino-acylation of cellular tRNAs. Furthermore, cycloheximide and TRH stimulate uridine phosphorylation by pathways that are distinguishable. It is apparent that not all cellular effects of cycloheximde can be attributed solely to inhibition of the synthesis of proteins.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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