作者: 翻動 時間: 2025-3-21 22:16
S. Gumina,F. Postacchiniix composite has been investigated. Recently, with the development of metal matrix composites (MMCs), high-performance depositing composite coatings on low-grade substrate materials have become an interesting area of research. Particularly, various carbide-reinforced MMC coatings have been developed作者: Nibble 時間: 2025-3-22 03:58 作者: instulate 時間: 2025-3-22 05:24
F. Postacchini,W. Rauschningding global broadband connectivity is introduced. Finally, a communication architecture (three-layer networks) to integrate satellite communications into terrestrial and other satellite networks using laser/optical (FSO) links is discussed, and the concept of satellite constellation networks is intr作者: BATE 時間: 2025-3-22 11:44 作者: 壯觀的游行 時間: 2025-3-22 16:10
F. Postacchini,G. Cinottiics, it then turns to the electromagnetic interactions involved in slowing and trapping atoms and ions, in both magnetic and optical traps. The concluding chapters discuss a broad range of applications, from atomic clocks and studies of collision processes to diffraction and interference of atomic b作者: 佛刊 時間: 2025-3-22 18:55
F. Postacchini,S. Guminanance; similarly, the light in the beam moving parallel to the atom will be shifted toward the red, further out of resonance. Atoms will therefore interact more strongly with the laser beam that opposes their velocity and they will slow down. This is illustrated in Fig. 7.1.作者: 并入 時間: 2025-3-22 23:21 作者: 想象 時間: 2025-3-23 02:20 作者: COKE 時間: 2025-3-23 06:29
F. Postacchini,G. Trasimeniemission of crystal lasers as far as ≈3 μm in recent years [655] encourages the prospect of their wide application in laser chemistry [543, 544]. Because crystal lasers are characterized by high monochro-maticity and high-peak-power output, they may be used, together with gas lasers, for selective e作者: 抵制 時間: 2025-3-23 12:44
F. Postacchini,G. Giannicola is that all the enumerated crystals are from one physical-chemical system Y.O.-Al.O.. A comprehensive comparison of the properties of the crystals formed in this system may reveal the qualities which cause such a unique combination not only of physical but also of spectral and stimulated-emission p作者: 客觀 時間: 2025-3-23 14:17 作者: Evolve 時間: 2025-3-23 20:12
F. Postacchini,I. Caruso,V. M. Saraceniemission of crystal lasers as far ≈ 3 .m in recent years [655] encourages the prospect of their wide application in laser chemistry [543, 544]. Because crystal lasers are characterized by high monochromaticity and high-peak-power output, they may be used, together with gas lasers, for selective exci作者: 拔出 時間: 2025-3-24 00:57
F. Postacchini,H. M. Mayerg of the laser treatment of vas- physics, which also covers safety aspects, chap- lar lesions. ters are dedicated to laser treatment of vascular When considering treatment of pigmented lesions, pigmented lesions and tattoos, un- lesions, accurate diagnosis of the pigmented wanted hair, and ablative 作者: DEFT 時間: 2025-3-24 04:20 作者: 新星 時間: 2025-3-24 10:07 作者: 相容 時間: 2025-3-24 13:57
Physiopathology of Lumboradicular Pain,an external layer, the Key and Retzius sheath, lies adjacent to the Schwann sheath. The Key and Retzius sheath is closely connected to the endoneurium and is particularly thick in sensory nerve fibers (Ruffini’s sheath) (.).作者: 假裝是我 時間: 2025-3-24 18:20 作者: 牲畜欄 時間: 2025-3-24 22:17
Differential Diagnosis. II. Psychogenic Pain,evaluation methods have attained a higher level of standardization and many studies have been epidemiological in nature, with the aim of clarifying the relationships between low back pain and the patient’s psychologic traits.作者: 去世 時間: 2025-3-24 23:20
Percutaneous Treatments,he patent for chymopapain, for the symbolic sum of 1 dollar, to Baxter-Travenol Laboratories, which marked the product under the trade name Discase, a combination of chymopapain, cysteine sodium sulfite and EDTA.作者: Arable 時間: 2025-3-25 04:43 作者: 出汗 時間: 2025-3-25 09:29 作者: 洞穴 時間: 2025-3-25 12:02
F. Postacchini,S. Guminaderstanding of the laser treatment of vas- physics, which also covers safety aspects, chap- lar lesions. ters are dedicated to laser treatment of vascular When considering treatment of pigmented lesions, pigmented lesions and tattoos, un- lesions, accurate diagnosis of the pigmented wanted hair, and ablative 978-3-642-05958-2978-3-540-27205-2作者: Ancestor 時間: 2025-3-25 17:29 作者: erythema 時間: 2025-3-25 21:15 作者: 半導(dǎo)體 時間: 2025-3-26 00:52 作者: 熒光 時間: 2025-3-26 05:16 作者: Exposition 時間: 2025-3-26 10:21 作者: 和平主義者 時間: 2025-3-26 13:01 作者: Euthyroid 時間: 2025-3-26 20:39 作者: LURE 時間: 2025-3-26 21:45
Complications of Surgery,been reported between patients operated on by orthopaedic surgeons or neurosurgeons (.). The most frequent complications are: hemorrhages or hematoma infections (superficial or deep), dural sac or nerve-root injuries, cardio-pulmonary disturbances and urinary and gastrointestinal dysfunctions.作者: Deject 時間: 2025-3-27 04:01
d look at the single topic of lumbar disc herniation ... Franco Postacchini and his colleagues have provided us with 24 unique chapters ranging from a wonderful historical perspective through anatomy, pathophysiology, biochemistry and biomechanics, and ending with diagnostic imaging treatment algori作者: Obituary 時間: 2025-3-27 08:08
Anatomy,s of the results indicates that the transverse and sagittal diameters, as well as the height, as measured on the anterior aspect of the vertebral body, show a regular or only slightly irregular increase from L1 to L5 in all human populations.作者: 注射器 時間: 2025-3-27 11:43
Biomechanics,whole spine acts as a flexible column, straight in the frontal plane and curved in the sagittal plane. The curved alignment of the spine in the sagittal plane increases spinal flexibility and the ability to withstand mechanical forces, whilst maintaining the stability of the spine (.).作者: Tinea-Capitis 時間: 2025-3-27 17:41
Conservative Treatments, influenced by most conservative treatments currently carried out in patients with disc herniation. Regarding the latter aspect, therefore, also clinical studies including patients submitted to treatments with no known effects on the pathologic changes of the disc may be reliable.作者: 被告 時間: 2025-3-27 19:50 作者: Gene408 時間: 2025-3-28 01:46 作者: 模范 時間: 2025-3-28 03:12
S. Gumina,F. Postacchinistrength-to-weight ratio. However, its use in critical working environment is restricted because of low hardness and tribological properties. This section concentrated on the development in the laser cladding process, the most advanced surface modification process. It observed that laser process par作者: jabber 時間: 2025-3-28 07:08
G. Cinotti,F. Postacchinio improve products and processes continually. Additive manufacturing of metals has emerged as a potential technology for companies to create highly integrated and individualized products. Predominant in the additive field are two technologies: Laser powder bed fusion (LPBF) and laser cladding, also 作者: INCUR 時間: 2025-3-28 14:15
F. Postacchini,W. Rauschningmetrics for satellite communications, and link performance for communications between a satellite and a ground station as well as for inter-satellite links (ISL), are explained. Lead-ahead angles for establishing a link between a ground station and a satellite, between two low Earth orbit (LEO) sate作者: 指數(shù) 時間: 2025-3-28 16:41
G. Cinotti,F. Postacchiniogy based on integrating laser/optical communication constellation satellites, UAVs, balloons, and air terminals is presented. The analysis is discussed to determine the optimum number of satellites in a given orbit for best communication performance and different communication links for the constel作者: carotenoids 時間: 2025-3-28 21:26 作者: Medicare 時間: 2025-3-29 00:15 作者: Ingest 時間: 2025-3-29 03:19 作者: BOAST 時間: 2025-3-29 07:42
F. Postacchini,M. Pizzetti,D. Fredellaforce from more than just one beam. For example, if two low-intensity laser beams of the same frequency, intensity, and polarization are directed opposite to one another (., by retroreflection of a single beam from a mirror), the net force found by adding the radiative forces given in Eq. 6.2 from e作者: 錯 時間: 2025-3-29 11:40
F. Postacchini,G. Trasimeninted in Table 8.1 and facilitates selection of a laser with a desired stimulated-emission wavelength; it indicates the type of crystal, and its induced transition and operating temperature. This information will be useful both for constructing conventional lasers with given spectral properties and f作者: Cryptic 時間: 2025-3-29 17:37 作者: 敲竹杠 時間: 2025-3-29 23:42
F. Postacchini,G. Trasimenitablish the scheme of energy levels of the activator ion. The second stage of investigation is associated with determining the point symmetry group of the activator, symmetry properties of the wave functions of the Stark levels, and selection rules for the optical transitions and their intensities. 作者: Chromatic 時間: 2025-3-30 02:09 作者: transient-pain 時間: 2025-3-30 04:16
F. Postacchini,H. M. Mayertreatment of port wine stains miraculous. Over the last fifteen years, this field but purpura limits its acceptability by patients has continued to grow and expand with the for more cosmetic indications. Both facial and appearance of new technology. This book re- leg vein telangiectasia can also be 作者: 較早 時間: 2025-3-30 09:19
F. Postacchini,G. Cinottitreatment of port wine stains miraculous. Over the last fifteen years, this field but purpura limits its acceptability by patients has continued to grow and expand with the for more cosmetic indications. Both facial and appearance of new technology. This book re- leg vein telangiectasia can also be 作者: invert 時間: 2025-3-30 15:56
F. Postacchini,S. Guminamaterial: The continual array of laser technology matology. The pulsed dye laser is the most throughout the world has been nothing short of effective laser for treatment of port wine stains miraculous. Over the last fifteen years, this field but purpura limits its acceptability by patients has conti作者: 哎呦 時間: 2025-3-30 16:37
F. Postacchini,G. Cinottitreatment of port wine stains miraculous. Over the last fifteen years, this field but purpura limits its acceptability by patients has continued to grow and expand with the for more cosmetic indications. Both facial and appearance of new technology. This book re- leg vein telangiectasia can also be 作者: 拖債 時間: 2025-3-30 22:19
F. Postacchini,S. Guminamaterial: The continual array of laser technology matology. The pulsed dye laser is the most throughout the world has been nothing short of effective laser for treatment of port wine stains miraculous. Over the last fifteen years, this field but purpura limits its acceptability by patients has conti作者: Estimable 時間: 2025-3-31 03:21 作者: aesthetician 時間: 2025-3-31 07:56
Biochemistry, Nutrition and Metabolism,ich accounts for about 50% of the dry weight of the annulus fibrosus and some 20%–30% of that of the nucleus pulposus (.). Collagen fibers, which are flexible and inextensible, offer a high resistance to traction, but not to compressive loads.作者: Mindfulness 時間: 2025-3-31 11:01
Biomechanics,, the two adjacent vertebrae and the connecting ligaments; it represents the smallest segment of the spine showing biomechanical properties similar to those of the whole spine and, hence, is the anatomic unit of reference in biomechanical studies (.). Due to the presence of discs and ligaments, the 作者: 膠水 時間: 2025-3-31 13:30 作者: WITH 時間: 2025-3-31 19:01
Physiopathology of Lumboradicular Pain,re some differences between radicular and peripheral nerves. Both are formed by bundles of nerve fibers kept together by a framework of connective tissue. Each nerve fiber includes single axons ensheathed by longitudinal invaginations of Schwann cells. The largest nerve fibers are enwrapped in myeli作者: 身心疲憊 時間: 2025-4-1 01:42 作者: 潛伏期 時間: 2025-4-1 02:17
Clinical Features,d the distribution of the cutaneous nerves during anatomic dissections to identify the nerve roots from which they originate. Head (.) analyzed the areas of cutaneous dysesthesia in patients with diseases of the nervous system. Foerster (.) identified the regions of decreased sensitivity after surgi作者: HEAVY 時間: 2025-4-1 07:48
Imaging Studies, since most of the radiographic changes that may be observed are found, with similar frequency, in asymptomatic subjects. This holds for many radiographic findings, such as decreased disc height and spondylotic changes (., ., ., .), degree of lumbar lordosis (., ., .), retrolisthesis of L5 (.), scol作者: 熱心 時間: 2025-4-1 11:53 作者: 誘惑 時間: 2025-4-1 18:09
Differential Diagnosis. II. Psychogenic Pain,0’s and 60’s, a dichotomous opinion prevailed, according to which low back pain was purely organic or psychologic in nature. Clinical studies, in that period, were mainly aimed at identifying the psychologic factors which might predict the results of surgery. However, many of these studies had metho
