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楔形
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  wedge shaped
    The lesions manifested as round and round like in 6 cases(50 %), irregular in 4 cases(33.33 %), wedge shaped in 2 cases(16.67 %).
    形态上呈圆形或椭圆形 6例 ,占 5 0 %、不规则形 4例 ,占 33.33%、楔形 2例 ,占 16 .6 7% ;
短句来源
    \ Results\ Multiple pulmonary nodules of soft dense appeared in 6 cases on CT scans, the map like pulmonary infiltritive dense in 2 cases,the peripheral wedge shaped shadows on the pleura in 3 cases.
    3结果  6例表现为肺内多发性结节 ,2例出现地图状病灶 ,3例可见基底贴附于胸膜面的楔形阴影。
短句来源
    (3) Type Ⅲ, early enhancement of peripheral nodules or wedge shaped areas without any space occupying lesion nearby (n=3).
    (3)肝脏边缘结节形、楔形提早强化区 ,且其邻近无占位性病变 (Ⅲ型 ) 3例。
短句来源
    Some gas was seen in 1 case of abscess,and it was diagnostic significant. Of 28 cases of hepatic abscess,15 showed periabscess wedge shaped or patchy enhanced area in arterial phase (53.5%).
    增强扫描动脉期 2 8例均表现为病灶边缘极轻或轻度环状强化 ,其中有 15例 ( 5 3 .5 %)出现灶周楔形或片状一过性强化 ;
短句来源
    Periabscess wedge shaped or patchy enhancement in arterial phase is another valuable CT sign.
    动脉期的灶周楔形或片状一过性强化是肝脓肿又一重要CT表现 ,对诊断有指导意义
短句来源
  cuniform
    Materials and Methods:Using a cuniform pad on the pressing ball,correct and reduce the movement of the pressing ball caused by the obese patient′s abdomen expansion as well as the influence caused by the alteration of the pressing acting force.
    材料与方法 :在压迫球上方加用楔形垫 ,纠正并减少肥胖病人因腹部膨隆引起的压迫球滑动和压迫作用力方向改变的影响。
短句来源
    Results:Divide the cases into two groups. 32 cases usre cuniform pad and 24 cases,as a control group,do not use. It is shown that the cuniform pad group has superior ureter pressing effect to the control group.
    结果 :32例使用楔形垫的病例和 2 4例不使用楔形垫的对照组对比 ,使用楔形垫组输尿管压迫效果优于对照组。
短句来源
    Conclusion:To some extent,exerting a cuniform pad on the pressing ball can ameliorate the effect of ureter pressing in the obese patient vein urography.
    结论 :在压迫球上方加用楔形垫 ,在一定程度上可以改善肥胖病人静脉尿路造影检查中对输尿管压迫的效果。
短句来源
  “楔形”译为未确定词的双语例句
    The Applied Value of CT on Diagnosis for Simple Wedge-compression Fracture of Lumbar Vertebrae
    CT在腰椎单纯性楔形压缩骨折诊断中的应用价值
短句来源
    Decreasing of the bone density was found in 26 cases (29.6%), and deformation of vertebrae and pelvis were also seen in some cases.
    26 例表现为骨小梁稀疏、模糊,骨密度普遍减低甚至椎体呈双凹、楔形变和骨盆变形,分为疏松型及软化型,占29.6%。
短句来源
    Whereas among the 34 lesions of wedgeform,there were 25 cases of inflammatory pseudotumor and only 5 peripheral cancer as wedgelike,3 tuberculosis and 1 abscess.
    楔形肿块34例,其中炎性假瘤25例(分别占全部病例的40%,楔形肿块的74%),周围型肺癌5例,肺结核3例,肺脓肿1例。
短句来源
    Results:The main changes of pulmonary parenchyma after pulmonary embolism are:①multiplicity and variability in shape of parenchymal consolidation,typical wedge-shaped lesion with pleural base and apex toward hilum is rare;
    结果: 肺栓塞后肺实质病变的CT征象包括: ①多发性、多形态的肺内实变影; 典型的以胸膜为底、尖端指向肺门的楔形阴影并不多见;
短句来源
    Objective:To determine whether plain films alone are sufficient in the estimation on stability of simple wedge-compres-sion fracture of lumbar vertebrae.
    目的:评价在腰椎单纯性楔形压缩性骨折的稳定性的判断中单纯平片检查是否充分。
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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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The Iinear beam model is proposed according to the characteristicsof high energy photon beams. This model of a radiation linear beam is that(1)Thepercent depth doses on the beam axis can be described by P(x)= a+ bx,(2)THE PDDsof the points which located at same depths are equal.The equations of calcuiatingdose distributiou Was Show ed for mulliple linear beams,The Wedge field andobligue beam were treated as linear, too. A example was desscribed to expldin the application of the model in detail Its result wds...

The Iinear beam model is proposed according to the characteristicsof high energy photon beams. This model of a radiation linear beam is that(1)Thepercent depth doses on the beam axis can be described by P(x)= a+ bx,(2)THE PDDsof the points which located at same depths are equal.The equations of calcuiatingdose distributiou Was Show ed for mulliple linear beams,The Wedge field andobligue beam were treated as linear, too. A example was desscribed to expldin the application of the model in detail Its result wds compared with that obtained by TPS.The linearr mo can ba used to estimate the dose distribution and also can help the doctor arra position and the dose of each field in order to make dosedistibution uniforrnly.

根据高能光子射线蕊区剂量分布的特点提出了线性线束的概念。线性线束是①射束轴百分深度量为P(X)=a+bX:②正入射时同深度点百分深度量相等的线束。文中给出线件束交叉照射时重叠区剂量计算方法。并把楔形野、斜入射等统一用线性来处理,导出了单楔板多楔角计算公式等有用的公式。最后通过一实例介绍本模型使用基本方法并讨论了结果的可靠性。线性模型可用于对已有照野设计方案靶区剂量分布的分析,也可用于指导合理布野和给剂量使靶区剂量分布均匀化。

The doses at three points along the oblique direction of isodose line at the same depth aremeasured.The wedgeangle and the line-oblique angle are derived from these doses measured according to the following formula:The wedge angles calculated by above formula were compared with these measured by 3-D water-scanner phantom,It was found that the results were very closed,this confirmed the correctness of the for-mula.It is recommended that the wedge angles may be measured before its use,because the wedge anglesvaries...

The doses at three points along the oblique direction of isodose line at the same depth aremeasured.The wedgeangle and the line-oblique angle are derived from these doses measured according to the following formula:The wedge angles calculated by above formula were compared with these measured by 3-D water-scanner phantom,It was found that the results were very closed,this confirmed the correctness of the for-mula.It is recommended that the wedge angles may be measured before its use,because the wedge anglesvaries greatly tissue with the depth.

本文提出沿着等剂量线倾斜方向,等距地在同深度测量三点剂量,根据这三点剂量推导出楔形角和线顺角的方法,计算公式为:式中α为射线入射角,K是三点剂量及射束轴上百分深度量的函数。文中比较了本法和三维水箱扫描法所得楔形角大小.二者十分一致。在楔形角测量中、作者发现钴-60γ线楔形角随深度有明显改变,故建议在使用楔形滤板前,应作必要的校测。

Purposes The variation of the wedge factor (WF) with field size was determined. This variation is very important in dose calculations for radiation therapy. Material and methods The WF was measured with different depth in water phantom on Siemens Mevatron 12, using 0.6cc chamber and 3570 dosemeter. Result and conclusion The WF measured at depths between points of maxium doseage and 20cm under surface in water phantom are within 6%, and compared with WF measured at 10cm WF variations are under 3%.

目的:确定楔形因子(WedgeFactorWF)随射野大小变化对于放射治疗中吸收剂量的影响。材料与方法:笔者在SIEMENSMEVATRON12(以下简称SIEMENS)直线加速器上对WF随水体模中测量深度变化关系进行了测量研究,使用配有0.6cc电离室的3570剂量仪作为剂量测量仪。结果与结论:通过测量发现在体模内最大剂量点到体模内20cm范围内WF随测量深度变化最大有6%的改变。而WF与体模表面下10cm处测得的WF相比最大有3%的偏差。

 
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