標(biāo)題: Titlebook: Basics of Magnetic Resonance Imaging; William Oldendorf,William Oldendorf Book 1988 Martinus Nijhoff Publishing, Boston. 1988 computed tom [打印本頁] 作者: 歸納 時(shí)間: 2025-3-21 20:03
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書目名稱Basics of Magnetic Resonance Imaging讀者反饋學(xué)科排名
作者: maudtin 時(shí)間: 2025-3-21 22:55
Book 1988ansition to the magnetic resonance of the atomic nucleus is made. Chapter 3 describes the principles of imaging. In Chapter 4, the terms T 1 and T 2 are described and their relationship to tissue characterization; the fun- damental role of thermal magnetic noise in T 1 and T 2 is discussed.作者: 警告 時(shí)間: 2025-3-22 00:53 作者: GUILE 時(shí)間: 2025-3-22 06:54 作者: connoisseur 時(shí)間: 2025-3-22 09:01 作者: 現(xiàn)存 時(shí)間: 2025-3-22 13:47 作者: Hiatus 時(shí)間: 2025-3-22 18:45
https://doi.org/10.1007/978-4-431-55028-0 it can also be driven from its resting state by subjecting it to an alternating external magnetic field. When the alternation occurs at the needle’s natural or resonant frequency, the compass needle absorbs energy.作者: anniversary 時(shí)間: 2025-3-22 21:21
https://doi.org/10.1007/978-4-431-55028-0f the slice has been processed and placed on a viewbox, the image would be essentially the same as that produced by the CT scanner. The CT scanner produces these results without physically altering the head. Except for slight tissue ionization, this process is entirely harmless (Figure 1).作者: dissolution 時(shí)間: 2025-3-23 01:50 作者: RENIN 時(shí)間: 2025-3-23 07:54 作者: 木訥 時(shí)間: 2025-3-23 11:36 作者: 鋸齒狀 時(shí)間: 2025-3-23 16:32 作者: archetype 時(shí)間: 2025-3-23 20:01
Applications and Future Prospects,osis. Our vision sees only the surface. What we wish to examine is the body’s interior. To provide this information, the patient’s body is interrogated by means of various probes. Each probe interacts in some way with the tissues. The nature and extent of the interaction and its anatomic location are noted.作者: 生命層 時(shí)間: 2025-3-23 23:32 作者: 客觀 時(shí)間: 2025-3-24 05:38
Ullrich Pietsch,Václav Holy,Tilo Baumbach plane). An obvious difference, however, is that the inner and outer tables of the skull are black on the MRI scan, while compact bone on the CT scan is white. It would be a mistake to consider MRI as just the next generation CT scanner (Figure: see frontispiece).作者: DAMN 時(shí)間: 2025-3-24 07:53
https://doi.org/10.1007/978-1-4613-2081-4computed tomography (CT); imaging; magnetic resonance; magnetic resonance imaging; magnetic resonance im作者: synovitis 時(shí)間: 2025-3-24 12:02
978-1-4612-9234-0Martinus Nijhoff Publishing, Boston. 1988作者: Pudendal-Nerve 時(shí)間: 2025-3-24 17:48 作者: Neonatal 時(shí)間: 2025-3-24 22:14 作者: FRET 時(shí)間: 2025-3-25 03:07 作者: 牙齒 時(shí)間: 2025-3-25 05:30
https://doi.org/10.1007/978-3-642-82477-7Magnetic resonance is an interaction between a magnet and a magnetic field. The most familiar magnet is a compass needle. The most familiar magnetic field is that of the Earth. The most familiar interaction of a magnet with a magnetic field is the alignment of a compass needle with the Earth’s field: The compass points north and south.作者: comely 時(shí)間: 2025-3-25 10:37
Ullrich Pietsch,Václav Holy,Tilo BaumbachA clinical MRI scanner superficially resembles a CT scanner: There is a large gantry into which the patient is placed, a complex of computers, a control console, and various pieces of electronic apparatus. However, the dimensions of the gantries are quite different.作者: 革新 時(shí)間: 2025-3-25 14:01
X-Ray Scattering by Rough MultilayersDue to the nature of the magnetic probe used in MRI, this technique possesses several fundamental advantages: (1) tissue can be characterized in a number of ways, (2) any plane can be imaged, (3) bone is invisible, so all anatomic regions can be examined, (4) no contrast medium is required, and (5) there is no ionizing radiation.作者: FLAGR 時(shí)間: 2025-3-25 17:29 作者: antidepressant 時(shí)間: 2025-3-25 20:32 作者: tariff 時(shí)間: 2025-3-26 02:06 作者: intercede 時(shí)間: 2025-3-26 06:07
Applications and Future Prospects,osis. Our vision sees only the surface. What we wish to examine is the body’s interior. To provide this information, the patient’s body is interrogated by means of various probes. Each probe interacts in some way with the tissues. The nature and extent of the interaction and its anatomic location ar作者: 煤渣 時(shí)間: 2025-3-26 11:00
https://doi.org/10.1007/978-4-431-55028-0le is actually a small bar magnet which oscillates at a particular frequency when driven from its resting state. The frequency of its oscillation is proportional to the field strength in which it finds itself. While the simplest means of stimulating a compass needle is by a simple tap of the finger,作者: 博識(shí) 時(shí)間: 2025-3-26 14:43 作者: breadth 時(shí)間: 2025-3-26 19:52
Ullrich Pietsch,Václav Holy,Tilo Baumbachmight not be worth the major effort already undertaken to develop clinical scanners. The great potential of MRI derives from its ability to provide several means of characterizing normal and pathological tissues.作者: LINE 時(shí)間: 2025-3-26 22:47 作者: 種屬關(guān)系 時(shí)間: 2025-3-27 01:13
Ullrich Pietsch,Václav Holy,Tilo Baumbach plane). An obvious difference, however, is that the inner and outer tables of the skull are black on the MRI scan, while compact bone on the CT scan is white. It would be a mistake to consider MRI as just the next generation CT scanner (Figure: see frontispiece).作者: troponins 時(shí)間: 2025-3-27 08:46
Ullrich Pietsch,Václav Holy,Tilo Baumbachxity is both bewildering and a source of hope and challenge. To exploit the magnetic properties of tissues for clinical imaging, MRI scanners, which are probably an order of magnitude more complicated than CT scanners, have been built. However, the complexity of the magnetic properties of tissues of作者: Trigger-Point 時(shí)間: 2025-3-27 12:40
Topics in Neurologyhttp://image.papertrans.cn/b/image/181261.jpg作者: inquisitive 時(shí)間: 2025-3-27 16:09 作者: 地名詞典 時(shí)間: 2025-3-27 20:33 作者: 或者發(fā)神韻 時(shí)間: 2025-3-27 22:25 作者: 瘋狂 時(shí)間: 2025-3-28 04:58
Tissue Characterization: T1 and T2,might not be worth the major effort already undertaken to develop clinical scanners. The great potential of MRI derives from its ability to provide several means of characterizing normal and pathological tissues.作者: 在駕駛 時(shí)間: 2025-3-28 09:47
Tissue Characterization and Pulse Sequencing,those of a more familiar object — a compass needle. This comparison was valid because a compass needle and a hydrogen nucleus share several properties: In the presence of a magnetic field, they both tend to align with the external field, absorb energy through the phenomenon of resonance, and subsequ作者: larder 時(shí)間: 2025-3-28 12:13
Advantages and Limitations of CT, plane). An obvious difference, however, is that the inner and outer tables of the skull are black on the MRI scan, while compact bone on the CT scan is white. It would be a mistake to consider MRI as just the next generation CT scanner (Figure: see frontispiece).作者: Encoding 時(shí)間: 2025-3-28 15:36 作者: fledged 時(shí)間: 2025-3-28 20:30
9樓作者: Classify 時(shí)間: 2025-3-29 02:45
9樓作者: 止痛藥 時(shí)間: 2025-3-29 05:46
10樓作者: ARM 時(shí)間: 2025-3-29 09:01
10樓作者: 數(shù)量 時(shí)間: 2025-3-29 14:58
10樓作者: 漫步 時(shí)間: 2025-3-29 16:20
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