Jump to ContentJump to Main Navigation

You are looking at 1-20 of 76 items

  • Keywords: pulses x
Clear All Modify Search

View:

The X‐ray laser and the single molecule — no crystal needed?

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0019
Subject:
Physics, Crystallography

Major increases in brightness are anticipated with the upcoming coherent X‐ray lasers. Extrapolation suggests that a single macromolecule ‘sample’ may be sufficient to generate a measurable X‐ray ... More


An electronically driven pendulum

Robert James Matthys

in Accurate Clock Pendulums

Published in print:
2004
Published Online:
January 2010
ISBN:
9780198529712
eISBN:
9780191712791
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198529712.003.0032
Subject:
Physics, History of Physics

An electromagnetically driven pendulum is more accurate than a mechanically (escapement) driven pendulum. This is because a pendulum is disturbed less by an electromagnetic drive pulse than by ... More


The domestication of non-cereal crops

Denis J. Murphy

in People, Plants and Genes: The Story of Crops and Humanity

Published in print:
2007
Published Online:
September 2007
ISBN:
9780199207145
eISBN:
9780191708893
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199207145.003.0007
Subject:
Biology, Plant Sciences and Forestry

Non-cereal crops are dominated by pulses (large-seeded legumes) and root crops, such as potatoes and yams. With their higher protein content and nitrogen-fixing ability, pulses complement cereals ... More


People and the emergence of crops

Denis J. Murphy

in People, Plants and Genes: The Story of Crops and Humanity

Published in print:
2007
Published Online:
September 2007
ISBN:
9780199207145
eISBN:
9780191708893
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199207145.003.0008
Subject:
Biology, Plant Sciences and Forestry

This chapter is concerned with the emergence and spread of the major crop groups from their centres of origin in Eurasia, Africa, and the Americas. Although the initial domestication of some crops ... More


Seeds of Destruction: Conflagration in the Grain Stores of Dichin

P. GRINTER

in The Transition to Late Antiquity, on the Danube and Beyond

Published in print:
2007
Published Online:
January 2012
ISBN:
9780197264027
eISBN:
9780191734908
Item type:
chapter
Publisher:
British Academy
DOI:
10.5871/bacad/9780197264027.003.0010
Subject:
Classical Studies, Archaeology: Classical

This chapter reviews the preliminary results and methodology used in the archaeobotanical research programme at Dichin, a multi-period late Roman site in Bulgaria. The remarkable state of ... More


The Premiere

Robert Carl

in Terry Riley's in C

Published in print:
2009
Published Online:
September 2009
ISBN:
9780195325287
eISBN:
9780199869428
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195325287.003.0003
Subject:
Music, Popular, History, American

This chapter tells the story of the 1964 premiere of In C at the San Francisco Tape Center. Participants in the concert recount the event in oral interviews. The process of composition and rehearsal ... More


The Division of the Elite

Paul U. Unschuld

in What Is Medicine?: Western and Eastern Approaches to Healing

Published in print:
2009
Published Online:
May 2012
ISBN:
9780520257658
eISBN:
9780520944701
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520257658.003.0015
Subject:
Anthropology, Medical Anthropology

This chapter focuses on a radical breakthrough into the knowledge of new medicine. It happened in antiquity, when technical media were still quite limited. All body processes had to be visible from ... More


Creative Misunderstandings: Chinese Medicine in Seventeenth-Century Europe

Harold J. Cook

in Cultures in Motion

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691159096
eISBN:
9781400849895
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691159096.003.0009
Subject:
History, World Modern History

This chapter examines how “creative misunderstandings” can travel by focusing on how Chinese medical ideas and practices were perceived in seventeenth-century Europe. It first considers one example ... More


Paraxial quantum optics

J. C. Garrison and R. Y. Chiao

in Quantum Optics

Published in print:
2008
Published Online:
September 2008
ISBN:
9780198508861
eISBN:
9780191708640
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198508861.003.0008
Subject:
Physics, Atomic, Laser, and Optical Physics

The classical concept of a paraxial wave is extended to quantum optics as a condition on the state vector, and the family of vectors obeying this condition defines a paraxial Hilbert space. Field ... More


Concepts of spatial resolution

Bernhard Blümich

in NMR Imaging of Materials

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526766
eISBN:
9780191709524
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526766.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

Various methods have been proposed for generation of images by nuclear magnetic resonance (NMR). However, only the variants of the Fourier technique are used on a routine basis in clinical imaging. ... More


SIGNAL PROCESSING

Helmuth Spieler

in Semiconductor Detector Systems

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198527848
eISBN:
9780191713248
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527848.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses signal processing for pulsed signals. Optimization of signal-to-noise ratio is analyzed under the constraints of signal rate capability. General properties of pulse signal ... More


The Hanle effect and the theory of resonance fluorescence experiments

Alan Corney

in Atomic and Laser Spectroscopy

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.003.0015
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter provides an account of atomic resonance fluorescence and its depolarization by external magnetic fields, also known as the Hanle effect. Experiments in mercury vapour and their ... More


Research on Temporal Perception and its Relevance for Theories of Musical Meter

Justin London

in Hearing in Time: Psychological Aspects of Musical Meter

Published in print:
2004
Published Online:
September 2007
ISBN:
9780195160819
eISBN:
9780199786763
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195160819.003.0003
Subject:
Psychology, Cognitive Psychology

The “speed limits” for meter are explored, as elucidated by previous research on rhythmic perception, production, and discrimination. This includes studies of subjective rhythmization, melody ... More


The Phase Shifting Pulse Gate—Four Organs—Phase Patterns—An End to Electronics (1968–70)

Steve Reich

in Writings on Music 1965–2000: 1965-2000

Published in print:
2004
Published Online:
October 2011
ISBN:
9780195151152
eISBN:
9780199850044
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195151152.003.0006
Subject:
Music, History, American

This chapter details Reich's development of the Phase Shifting Pulse Gate; musical applications of this device, including his first performance of Pulse Music in April 1969; and his composition of ... More


‘Apollo’s touch’: The Pharmacy of Imagination

Nicholas Roe

in John Keats and the Culture of Dissent

Published in print:
1998
Published Online:
October 2011
ISBN:
9780198186298
eISBN:
9780191674495
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198186298.003.0008
Subject:
Literature, 19th-century Literature and Romanticism

The chapter discusses Keats's poetry drawing extensively on his medical training with Hammond and at Guy's, seeking to identify a role for the poet in a world where the revolutionary idealism ... More


Hippocampal electrical stimulation and localisation of long-term episodic memory

Robin G. Morris, Steven G. Coleshill, Maria E. Lacruz, Antonio Valentin, and Gonzalo Alarcon

in Epilepsy and Memory

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199580286
eISBN:
9780191739408
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199580286.003.0020
Subject:
Neuroscience, Disorders of the Nervous System, Behavioral Neuroscience

The clinical use of depth-electrode recording in the hippocampus in people undergoing neurosurgical treatment for epilepsy has also facilitated exploration of hippocampal memory function though ... More


Relevant Research on Rhythmic Perception and Production

Justin London

in Hearing in Time: Psychological Aspects of Musical Meter

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199744374
eISBN:
9780199949632
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199744374.003.0002
Subject:
Music, Psychology of Music, Theory, Analysis, Composition

The “speed limits” for meter are explored, as elucidated by previous research on rhythmic perception, production, and discrimination. This includes studies of subjective rhythmization, melody ... More


Electronic circuits for quantitative microscopy

G. A. D. Briggs and O. V. Kolosov

in Acoustic Microscopy: Second Edition

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199232734
eISBN:
9780191716355
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199232734.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

In order to select only the echo from the sample and eschew unwanted echoes, short pulses must be used, but the shorter the pulse in the time domain, the wider the bandwidth in the frequency domain. ... More


Shocks and Spasms: Rhythm and the Pulse of Verse

Kirstie Blair

in Victorian Poetry and the Culture of the Heart

Published in print:
2006
Published Online:
January 2010
ISBN:
9780199273942
eISBN:
9780191706592
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199273942.003.0003
Subject:
Literature, 19th-century and Victorian Literature

This chapter broadly considers connections between metre and the pulse. Victorian medical explanations of the heartbeat often turned to musical or rhythmic comparisons, while writers on prosody and ... More


Spherical-wave dynamical theory: I. Kato’s theory

ANDRÉ AUTHIER

in Dynamical Theory of X-Ray Diffraction

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198528920
eISBN:
9780191713125
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528920.003.0010
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter is the first of two dealing with the dynamical diffraction of incident spherical waves. It makes use of Kato's theory, which is based on a Fourier expansion of the spherical wave. The ... More


View: