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楔形
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  wedge shaped
    In eosinophilic granuloma, to which children of 3~12 years old were particularly subject, the vertebral body became wedge shaped.
    嗜酸性肉芽肿多发生于青少年 ,且椎体呈楔形改变。
短句来源
    [WT5”FZ]Methods:[WT5”BZ]110 patients with cervical wedge shaped defects were restored by EM adhesive bonding with amalgam without retentive preparation,and 92 patients of same condition were repaired by light cured composite rasin as control.
    方法 :对 110例楔形缺损的患者在去龋后不制备固位形 ,加以EM牙科粘结剂后以银汞合金充填修复 ,并以 92例复合树脂修复者为对照。
短句来源
    Lesions of the white matter were found in 8 of the 17 patients. The white matter lesions displayed three distinct patters, such as thin radial bands, wedge shaped lesion, and nonspecific foci. These lesions were iso to hypointense to white matter on T 1WI and hyperintense to gray and white matter on T 2WI.
    白质病灶8例 ,病灶呈放射带状、楔形及非特异性病灶 ,T1WI呈等低信号 ,T2 WI呈高信号。
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  “楔形”译为未确定词的双语例句
    However the influence from the depths was large,we must use the formula F_w(d)=(a+bd)to control the deviations less than 2% in order to attain the rules from Quality Assurance in radiotherapy.
    但深度的影响却很大,必须通过修正公式F_w(d)=(a+bd)进行修正才能达到WHO放射治疗质量保证和质量控制有关楔形因子的精度必须好于2%的规定。
短句来源
    and the max deviations of5.2%for square wedged -fields and5.3%for rectangular wedged-fields if we assume the F W for10cm×10cm field and d max as standard data.
    如果以其他作者采用的以10cm×10cm照射野最大剂量深度处的楔形因素为标准值,则方野时楔形因素最大偏差达5.2%矩形野时最大偏差达5.3%。
短句来源
    This study iams at quantitation of these phenomena and finds out the diferences of 2.9% in beam quality index and of 4 mm in Dmax.
    本文研究楔形野和平野两种情况下的辐射质差异,发现辐射质指数I变化达2.9%,最大剂量点深度变化达4mm。
短句来源
    A wedge-tissue defect due to ne crotic i n 166Ho treated group and a cystic defect lined with reactive astroglial cell in 166Ho-CHICO treated group at 3 months after injection.
    注射后 3个月 ,166钬组中观察到坏死后楔形组织缺损 ,并且有浸润的胶质细胞 ;
短句来源
    But at off-axis points,the differences between calculated values and measured data were apparent.
    除楔形因子的离轴分布的计算值与实测值差异略大外 ,对称和离轴方野中心轴线上的楔形因子的符合性较好。
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  wedge shaped
The parabolic equation method permits one to develop valuable and flexible techniques to solve high frequency scattering problems in wedge shaped regions.
      
Such configurations belong to wedge shaped regions in the parameter space and their existence in the tetragonal and hexagonal classical Heisenberg model was proved in the smallQ limit.
      
These include wavenumber shifts of the absorption bands, the influence of a wedge shaped cell and limited spectral resolution.
      
Due to the wedge shaped arrangement of the saw cuts the segment fits exactly in its bed, needing no further fixation.
      
We have described techniques for the reconstruction of the lower lip, especially the wedge shaped excision, the methods developed by Dieffenbach, Langenbeck, Estlander, Gillies, Weerda, Bernard and Grimm.
      
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Sixty-seven (134 eyes) of bilateral high myopia with posterior staphyloma cases were examined by the OPHTHASONIC A-scan/B-scan Ⅲ plus made in he United States. Each eye was examined with direct contact manner. Axial length was measured automatically by ultrasound A and the shape, position and scope of staphylomas, were detected by ultrasound B. Four types of staphylomas were found. They are conic, square, wedge and arc shaped.The staphyloma showed the following features: (1) they were conic shaped in most eyes;(2)most...

Sixty-seven (134 eyes) of bilateral high myopia with posterior staphyloma cases were examined by the OPHTHASONIC A-scan/B-scan Ⅲ plus made in he United States. Each eye was examined with direct contact manner. Axial length was measured automatically by ultrasound A and the shape, position and scope of staphylomas, were detected by ultrasound B. Four types of staphylomas were found. They are conic, square, wedge and arc shaped.The staphyloma showed the following features: (1) they were conic shaped in most eyes;(2)most staphylomas were situated in the posterior poles; (3) the shape and position were similar in most patients with bilateral staphylomas ; (4)the conic shaped staphylomas were commonly situated 2- 5mm temporal to the border fo the optic disc ; (5)as the square shaped staphylomas enlarged, the axis length of eye shortened gradually; (6)the wedige shaped staphylomas most frequedtly appeared horizontal and were lengthened as the axis length of eye prolonged.

对67例双眼高度近视伴后巩膜葡萄肿患者(143眼)用美国产OphthasonicA/BⅢ眼科专用扫描仪进行探测,直接接触法。A超自动测量眼轴长度,B超探测葡萄肿形态、位置及范围,发现葡萄肿有锥形、方形、楔形、弧形四种形态,后巩膜葡萄肿有以下特征:①大部分为锥形;②多位于后极部;③双眼者绝大部分形态、位置相同;④锥形者以位于距视盘颞侧2~smm范围为多;⑤方形位于后极部者随葡萄肿面积扩大,眼轴逐渐变短;③楔形者以横形为主,随眼轴延长而加长。

The manfacturing way of missing tissue compensating paraffin phantom and the development of support are introduced in this artical. They are designed to solve the problem that the dose is bad-distribated when the wedged plates are taken the places of tissue compensator in the course of missing tissue teletherapy. The manfactaring way of missing tissue compensating paraffin phantom is simple、Keeping paraffin phantom in position is accarate and the operating is simple and convement.

本文介绍一种缺陷组织填充补偿蜡模的制作方法,并设计和研制了一种蜡模置放支架系统。它主要针对钴-60放射治疗过程中应用楔形块廉作组织补偿时剂量分布不均匀而设计。蜡模制作方法简单、支架系统定位准确,操作简单、方便。

Purpose To study MRI appearances of vertebral compression with primary spinal osteoporosis. Methods MRI appearances of 60 cases with vertebral compression associated with primary spinal osteoporosis, verified by X ray film and clinical materials in three years, were reviewed and compared with normal group. Results 162 collapsed vertebrae were found due to osteoporosis, with concave type ( n =98), wedge ( n = 51) and flat( n =13). The neighbouring intervertebral disc usually...

Purpose To study MRI appearances of vertebral compression with primary spinal osteoporosis. Methods MRI appearances of 60 cases with vertebral compression associated with primary spinal osteoporosis, verified by X ray film and clinical materials in three years, were reviewed and compared with normal group. Results 162 collapsed vertebrae were found due to osteoporosis, with concave type ( n =98), wedge ( n = 51) and flat( n =13). The neighbouring intervertebral disc usually bulged into the concave area of collapsed vertebral body. 47 vertebral bodies showed different extents and different types of low signal within the vertebral body on sagittal T 1 weighted image. Conclusion Protrusion of posterior bone fragment of the vertebral body into the spinal canal, bandlike low signal beneath vertebral end plate and low signal involving the whole vertebral body except its posterior angle on T 1WI are relatively typical MRI signs of vertebral compression with primary osteoporosis.

目的探讨脊柱原发性骨质疏松椎体压缩的MRI表现。方法对3年间X线诊断、临床证实的60例脊柱原发性骨质疏松的MRI表现进行回顾分析,并与对照组比较。结果162个椎体表现为压缩变形,其中凹陷形98个,楔形51个,扁平形13个。压缩椎体邻近椎间盘常膨突到椎体凹陷区内;矢状位T1WI47个椎体表现为椎体内不同范围、不同类型的低信号。结论压缩椎体后上角突入椎管内,T1WI椎体终板下呈带状低信号和除椎体后角外全椎体呈低信号,为原发性骨质疏松椎体压缩MRI比较典型的表现。

 
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