作者: –FER 時(shí)間: 2025-3-21 21:30 作者: harangue 時(shí)間: 2025-3-22 01:18 作者: DECRY 時(shí)間: 2025-3-22 05:58 作者: pacifist 時(shí)間: 2025-3-22 11:31 作者: Anhydrous 時(shí)間: 2025-3-22 13:30
https://doi.org/10.1007/978-1-59745-523-7two-dimensional tomographic images of cardiac structures in an effort to overcome the inherent limitations of a one-dimensional imaging technique, the time-motion (T-M) display mode. Currently, this technique is the standard method of clinical cardiac examinations.作者: 親密 時(shí)間: 2025-3-22 20:53 作者: locus-ceruleus 時(shí)間: 2025-3-22 22:16
Problemanalyse: Technischer Vertrieb,lting image. Expressions are derived to describe the principles of operation of the system. Experimental results are presented which show the real time visualization of the acoustic hologram, of an off-axis point source. Sensitivity improvement through the use of line subtraction processing is demonstrated.作者: 內(nèi)疚 時(shí)間: 2025-3-23 04:15 作者: Misgiving 時(shí)間: 2025-3-23 08:20 作者: 碳水化合物 時(shí)間: 2025-3-23 11:11
Book 1975y 4-7, 1975. The title of this symposium differs from that of the first four by the addition of the word "Imaging", reflecting an increase in emphasis on nonholographic methods of acoustical visualization. For convenience, no change has been made in the title of this published series. The 38 papers 作者: ascend 時(shí)間: 2025-3-23 15:24
Auditory and Vestibular Researchs. Selected clinical results, including in vivo images of several near term fetuses, are presented and discussed. Finally, we comment on through-transmission acoustical holography as a modality for soft tissue diagnosis.作者: Outwit 時(shí)間: 2025-3-23 20:22 作者: 改進(jìn) 時(shí)間: 2025-3-24 00:08
Margaret C. Harvey,Bernd H. A. Sokolowskins within the tissue specimen with a resolution of 64 by 64 elements (< 2 mm square), The disadvantage of TOF reconstruction is that transmission scanning is required. Advantages over B- and C-scan imaging are: 1) dynamic changes in gain of receiver are not required, 2) attenuation occurs on only on作者: Mast-Cell 時(shí)間: 2025-3-24 05:37
Subjective Preferences for Sound Fieldshese techniques through the use of a fast analog and digital computer interface to obtain realtime and stop-action imaging is treated. Examples of images produced by these algorithms, the time requirements of various algorithms as determined by the computation speeds of present and anticipated digit作者: Extemporize 時(shí)間: 2025-3-24 07:37
Applications (III) – Noise Measurementwill present and discuss two schemes for implementing the PST approach. A key element in each of the schemes is an acousto-optic transducer which is activated by a light pattern. Scanning can be achieved either electronically or mechanically by putting the light pattern into motion. Focusing can be 作者: Cryptic 時(shí)間: 2025-3-24 12:02
Problemanalyse: Technischer Vertrieb, The returning signals are first processed to generate a Doppler C-scan, and the area displayed is summed to estimate A.. The signals returning to each element are also summed, and the centroid of the Doppler power spectrum indicates .. The second implementation directly measuring A. uses a linear a作者: Nutrient 時(shí)間: 2025-3-24 15:33 作者: Mercantile 時(shí)間: 2025-3-24 19:09
Front Mattering the ocean, fragmentation of the items already present would continue for years to come. The term microplastics has only been in popular usage for a decade and while many questions remain about the extent to which they could have harmful effects, the solutions to reducing this contamination are a作者: Atrium 時(shí)間: 2025-3-25 03:04 作者: 擋泥板 時(shí)間: 2025-3-25 04:01 作者: Heterodoxy 時(shí)間: 2025-3-25 10:11 作者: 鋼盔 時(shí)間: 2025-3-25 14:26 作者: 使堅(jiān)硬 時(shí)間: 2025-3-25 17:41 作者: 難管 時(shí)間: 2025-3-25 23:55
Progress in Annular-Array Imaging, available are particularly important in the comparison of modern and ancient deposits. Comparisons can be done for basin-fill sequences or complexes (1st order), for individual fan systems (2nd order), for stages of growth within an individual system (3rd order), or for the scale of specific elemen作者: kindred 時(shí)間: 2025-3-26 03:09
System for Visualizing and Measuring Ultrasonic Wavefronts,onsidered to be fundamental for understanding observed climate variability ranging from several months to hundreds of years. We conclude with a discussion of the interplay between large-scale. climate and regional-scale climate. It is shown that there are some large-scale constraints that may be use作者: 形容詞詞尾 時(shí)間: 2025-3-26 07:38
Digital Computer Simulation Study of a Real-Time Collection, Post-Processing Synthetic Focusing Ult: on the one hand, the climate is beneficial and sanogenetic (in the context of sanatorium-resort treatment and rehabilitation), on the other hand, it may have a negative impact on the health of certain groups of people. The dangers include excessive sunbathing (overheating, burns, sunstroke and hea作者: 場所 時(shí)間: 2025-3-26 08:32 作者: indicate 時(shí)間: 2025-3-26 14:45
Optical Visualization of Acoustical Holograms by Area Heterodyning,of the first chapter and so will not be anticipated here. The chief aim throughout, however, is to work as far as possible within a context of the appropriate governing physical phenomena, giving due consideration to the mathematical relationships between them. Moreover, without intending to be a de作者: mighty 時(shí)間: 2025-3-26 18:07
An Acoustic Phase Plate Imaging Device,he California coast show patches of tens of meters (Fig. 11-2c); a careful examination of spatial variability of phytoplankton production shows significant patches in a scale of 10.m, most clearly in samples from the Gulf Stream (Fig. 11-1d). Recent technical advances (for example, Davis et al., 199作者: 陶器 時(shí)間: 2025-3-27 00:04
An Electronically Focused Two-Dimensional Acoustic Imaging System,ments important to the process. They devote several ending chapters to discussion of the interpersonal relationships critical to successful implementation of marine ecosystem-based management. The book concludes with a discussion of the implications for policy and on-the-ground practice.978-1-61091-800-8作者: Mechanics 時(shí)間: 2025-3-27 01:11 作者: 冒失 時(shí)間: 2025-3-27 08:39 作者: 滑動(dòng) 時(shí)間: 2025-3-27 11:05 作者: 蚊子 時(shí)間: 2025-3-27 17:24 作者: Fatten 時(shí)間: 2025-3-27 18:36 作者: fallible 時(shí)間: 2025-3-28 01:56
The papers were selected with the able assistance of the Program Committee that con- sisted of P.S. Green, Stanford Research Institute; J.F. Havlice, Stanford Microwave Laboratory; B.P. Hildebrand, Battelle Northwest; D.R. Holbrooke, Children‘s Hospital of San Francisco; P.N. Keating, Bendix Research Laborato978-1-4615-8218-2978-1-4615-8216-8作者: indicate 時(shí)間: 2025-3-28 05:25 作者: 連接 時(shí)間: 2025-3-28 06:24
Research in Ultrasound Image Generation: A Computerized Ultrasound Processing, Acquisition, and Dis978-1-4020-4697-1作者: 伸展 時(shí)間: 2025-3-28 14:12
Microanatomy of a Histologically Unstained Embryo as Revealed by Acoustic Microscopy,978-3-540-33648-8作者: FIN 時(shí)間: 2025-3-28 15:50 作者: conifer 時(shí)間: 2025-3-28 21:10 作者: embolus 時(shí)間: 2025-3-29 02:13
Algebraic Reconstruction of Spatial Distributions of Acoustic Velocities in Tissue from Their Time- populations. When predation by an invader is the mechanism causing declines in a native population, protecting the native species will involve elucidating the factors that affect native vulnerability. To examine those factors, this study measured how a native species responded to an introduced pred作者: 糾纏,纏繞 時(shí)間: 2025-3-29 07:08
Cardiovascular Diagnosis with Real Time Ultrasound Imaging,arin, lignin, pullulan, etc. for industrial and pharmaceutical application. Marine biopolymers are an alternative source for mammalian biopolymers and play a significant role in marine waste management. In addition, plentiful properties of marine polymers, i.e., biocompatibility, lack of toxicity, b作者: 方便 時(shí)間: 2025-3-29 09:40
Sampled Aperture Techniques Applied to B-Mode Echoencephalography,s have certain advantages over conventional polymers such as multifunctionality, natural abundance, cost-effectiveness, biodegradability, hydrophilicity, cytocompatibility, minimal toxicity, and biocompatibility with other excipients or therapeutics. Often, marine biopolymers have intrinsic biologic作者: hazard 時(shí)間: 2025-3-29 15:19
High-Resolution B-Scan Systems Using a Circular Array,ontents as well as the presence of various bioactive compounds with antibacterial, antifungal, and anticancer activities. is in high demand on a global scale. Despite overfishing, there is no government regulation to prevent the situation from worsening. Farming activities still rely on wild seeds a作者: 格言 時(shí)間: 2025-3-29 19:39 作者: 斜谷 時(shí)間: 2025-3-29 19:51 作者: Jocose 時(shí)間: 2025-3-29 23:57
Digital Computer Simulation Study of a Real-Time Collection, Post-Processing Synthetic Focusing Ultc seas as well as the marine climate in northern latitudes (Subarctic, Primorsky Krai, Kamchatka, Bering Sea coast). Biochemical and physiological changes in the human body are described as observed during acclimatization in these territories. A retrospective analysis of the most significant disease作者: JADED 時(shí)間: 2025-3-30 04:08 作者: 吸引力 時(shí)間: 2025-3-30 09:08 作者: diskitis 時(shí)間: 2025-3-30 13:58 作者: 黑豹 時(shí)間: 2025-3-30 18:44
An Acoustic Phase Plate Imaging Device,Fig. 2-30). Moreover, such heterogeneity occurs at all spatial scales. We can use the size of a patch of higher abundance or the distances among such patches as a way to assess the scale of heterogeneity. There are significantly higher or lower rates of production in distances of 10. to 10.m within 作者: Exploit 時(shí)間: 2025-3-30 22:21
An Electronically Focused Two-Dimensional Acoustic Imaging System,sful examples of marine ecosystem-based management.Offers soThis volume?is the first practical guide for the marine conservation realm. In a unique collection of case studies, the authors showcase successful collaborative approaches to ecosystem-based management. The authors introduce the basic conc作者: 歡樂東方 時(shí)間: 2025-3-31 02:34
,Acoustic Microscopy — A Tool for Medical and Biological Research,cts, can be considered as a specialised type of MPA. However, while subsequent reviews of the PSSA Guidelines have considerably clarified and amplified the scope of the PSSA concept, a fundamental problem, and a cause of considerable confusion, appears to be the lack of a clear legal basis for PSSAs作者: 環(huán)形 時(shí)間: 2025-3-31 09:03 作者: Tdd526 時(shí)間: 2025-3-31 13:06
Acoustic Lenses and Low-Velocity Fluids for Improving Bragg-Diffraction Images,azil (Santa Catarina and Rio Grande do Sul States). The biology of . is poorly known, but some studies suggest that this species depends on estuaries for reproduction and for completing its life cycle, using them as recruitment sites and nursery grounds. If estuarine retention is an important proces作者: GIBE 時(shí)間: 2025-3-31 15:26 作者: Scintigraphy 時(shí)間: 2025-3-31 19:47
Audrey Wood and the Playwrightsa group of researchers at the University of California, Santa Barbara have performed various investigations using Bragg imaging at the low frequencies (1 MHz to 5 MHz) required for clinical use (see Landry, et al., 1972 and Hormozdyar, et al., 1974).作者: linear 時(shí)間: 2025-3-31 22:22
https://doi.org/10.1007/978-1-4615-8216-8Apertur; diagnostics; diffraction; holography; imaging techniques; interferometry; microscopy; microwave; no作者: 可商量 時(shí)間: 2025-4-1 02:19
978-1-4615-8218-2Springer Science+Business Media New York 1975作者: Aspirin 時(shí)間: 2025-4-1 07:50 作者: Sinus-Rhythm 時(shí)間: 2025-4-1 10:49
