Gerald fin (18 risultati)

Soft cover. Condizione: Very Good. 180 pages. Philippa Levine "States of Undress: Nakedness and the Colonial Imagination" / Emily Harrington "Michael Field and the Detachable Lyric" / Natalie M Houston "Newspaper Poems: Material Texts in the Public Sphere" / Meredith Martin "Gerald Manley Hopkins and the Stigma of Meter" / Catherine Robson "The Presence of Poetry: Response" / Aviva Briefel "Hands of Beauty, Hands of Horror: Fear and Egyptian Art at the Fin de Siecle" / Suzanne Dale "Spinning Cotton: Domestic and Industrial Novels" / Claire Wintle "Career Development: Domestic Display as Imperial, Anthropological, and Social Trophy" (SL#54/1).…

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Taschenbuch. Condizione: Neu. Neuware.

Taschenbuch. Condizione: Neu. Neuware.

Taschenbuch. Condizione: Neu. Neuware.

Taschenbuch. Condizione: Neu. Neuware.

Taschenbuch. Condizione: Neu. Neuware.

Condizione: New. Print on Demand.

Condizione: New. Print on Demand.

Condizione: New. Print on Demand.

Condizione: New. Print on Demand.

Condizione: New. Print on Demand.

Paperback. Condizione: new. Paperback. Understand how a modern scanning system converts electrical energy into sound, receives returning echoes, processes measurements, and produces clinically useful information. This reference connects acoustic theory with equipment operation, display controls, artifacts, performance testing, and safe professional practice.The opening chapters establish the pulse-echo cycle, spatial mapping, amplitude representation, operating modes, system assumptions, uncertainty, and the operator's influence on the final display. Mathematical foundations cover units, scientific notation, ratios, vectors, wave motion, frequency, wavelength, pressure, power, intensity, decibels, pulsed-wave quantities, duty factor, and dimensional checking. Worked examples connect each calculation to its physical meaning.Propagation chapters explain acoustic impedance, reflection, transmission, scattering, refraction, attenuation, absorption, speed error, and tissue interaction. Readers learn how interfaces, travel paths, frequency, depth, and material properties determine which echoes return to the probe and how they are represented.Transducer coverage follows piezoelectric conversion, resonance, damping, bandwidth, matching layers, backing materials, array construction, focusing, steering, aperture, beam shape, side lobes, grating lobes, and probe selection. Hardware characteristics are linked directly to penetration, detail, sensitivity, field of view, and artifact behavior.System chapters trace transmit settings, receiver amplification, time-gain compensation, dynamic range, sampling, beamforming, scan conversion, filtering, persistence, compounding, harmonic techniques, display processing, storage, and measurement tools. Spatial detail, contrast discrimination, temporal response, sensitivity, and penetration are treated as connected trade-offs rather than settings that can all be maximized simultaneously.Dedicated chapters develop two-dimensional scanning, motion displays, spectral Doppler, color flow, power-based flow display, hemodynamic equations, angle dependence, aliasing, pulse-repetition frequency, wall filters, elastography, contrast-enhanced techniques, ultrafast acquisition, automation, and emerging computational approaches. Common artifacts are traced back to the physical assumption, equipment setting, propagation effect, or sampling limitation that produced them.Safety and performance chapters address acoustic output, exposure time, displayed indices, prudent operation, probe condition, routine testing, infection prevention, ergonomics, documentation, measurement uncertainty, and professional responsibility. Review cases and calculation exercises strengthen technical vocabulary, unit discipline, equipment reasoning, and recognition of display limitations.Written for students, clinicians, biomedical engineers, medical-physics personnel, educators, and technical staff, this independent reference supports structured learning and technical review. It does not replace supervised clinical education, current equipment instructions, institutional procedures, or qualified professional judgment.Inside, readers will learn how to: - Follow the complete pulse-echo signal path- Relate wave behavior to tissue interaction and displayed echoes- Understand probes, arrays, focusing, steering, and beam shape- Balance penetration, detail, contrast, and temporal response- Interpret Doppler methods, flow measurements, and artifacts- Apply prudent-output practices and equipment performance checks This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. …

Paperback. Condizione: new. Paperback. Understand how a modern scanning system converts electrical energy into sound, receives returning echoes, processes measurements, and produces clinically useful information. This reference connects acoustic theory with equipment operation, display controls, artifacts, performance testing, and safe professional practice.The opening chapters establish the pulse-echo cycle, spatial mapping, amplitude representation, operating modes, system assumptions, uncertainty, and the operator's influence on the final display. Mathematical foundations cover units, scientific notation, ratios, vectors, wave motion, frequency, wavelength, pressure, power, intensity, decibels, pulsed-wave quantities, duty factor, and dimensional checking. Worked examples connect each calculation to its physical meaning.Propagation chapters explain acoustic impedance, reflection, transmission, scattering, refraction, attenuation, absorption, speed error, and tissue interaction. Readers learn how interfaces, travel paths, frequency, depth, and material properties determine which echoes return to the probe and how they are represented.Transducer coverage follows piezoelectric conversion, resonance, damping, bandwidth, matching layers, backing materials, array construction, focusing, steering, aperture, beam shape, side lobes, grating lobes, and probe selection. Hardware characteristics are linked directly to penetration, detail, sensitivity, field of view, and artifact behavior.System chapters trace transmit settings, receiver amplification, time-gain compensation, dynamic range, sampling, beamforming, scan conversion, filtering, persistence, compounding, harmonic techniques, display processing, storage, and measurement tools. Spatial detail, contrast discrimination, temporal response, sensitivity, and penetration are treated as connected trade-offs rather than settings that can all be maximized simultaneously.Dedicated chapters develop two-dimensional scanning, motion displays, spectral Doppler, color flow, power-based flow display, hemodynamic equations, angle dependence, aliasing, pulse-repetition frequency, wall filters, elastography, contrast-enhanced techniques, ultrafast acquisition, automation, and emerging computational approaches. Common artifacts are traced back to the physical assumption, equipment setting, propagation effect, or sampling limitation that produced them.Safety and performance chapters address acoustic output, exposure time, displayed indices, prudent operation, probe condition, routine testing, infection prevention, ergonomics, documentation, measurement uncertainty, and professional responsibility. Review cases and calculation exercises strengthen technical vocabulary, unit discipline, equipment reasoning, and recognition of display limitations.Written for students, clinicians, biomedical engineers, medical-physics personnel, educators, and technical staff, this independent reference supports structured learning and technical review. It does not replace supervised clinical education, current equipment instructions, institutional procedures, or qualified professional judgment.Inside, readers will learn how to: - Follow the complete pulse-echo signal path- Relate wave behavior to tissue interaction and displayed echoes- Understand probes, arrays, focusing, steering, and beam shape- Balance penetration, detail, contrast, and temporal response- Interpret Doppler methods, flow measurements, and artifacts- Apply prudent-output practices and equipment performance checks This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. …