查询词典 x-rays

He added that there could one day be a useful outlet to the discovery - x-ray machines that would be cheaper and safer than conventional machines that require a permanent radioactive source and a highly trained technician for maintenance.

他补充说，也许有一天这个发现能派上用场――廉价安全的X光机，不象通常的X光机那样需要永久放射源，以及高度培训过的技工做维护。

Results the imaging manifestations of osteoid osteoma revealed a circular or oval radiolucency with different bone sclerosis around the nidus.the diameter ranged from 0.3cm to 1.6cm,with the average of 0.9cm.among 18 cases,only 14 cases showed nidus on plain film, all 15 cases with ct scanning showed nidus.the detection rate of nidus was 78％(14/18) for x-ray plain film and 100％(15/15) for ct, respectively.

结果 18例病灶均表现为一圆形或卵圆形的透亮区，直径0.3～1.6cm，平均0.9cm，其周围有不同程度的骨质硬化。18例x线平片仅14例显示瘤巢，15例行ct检查者均清楚显示瘤巢，x线和ct对瘤巢显示率分别为78％(14∕18)和100％(15∕15)。

All lesions were 7-12 mm in greatest diameter. Seven cases showed a round radiolucency or a thin clear sclerotic rim in middle or up-outer of femoral neck on X-ray film.

结果：8例股骨颈疝窝均为单侧单发病灶，X线平片仅显示7例，CT均表现为股骨颈前方皮质下类圆形骨质缺损，内为较均匀液体密度，边缘清楚伴有硬化缘，最大径线为7-12 mm.7例在X线平片上表现为股骨颈中轴线或其外上方的类圆形透亮区或硬化环。

An x-ray of the ''.'spinal'.'' cord after injection of air or a radiopaque substance into the ''.

脊髓x线照片脊髓的x射线，它将空气或射线不能透过的物质注入蜘蛛网膜下的''。

Objective To study the X-ray findings and evaluate the value of X-ray in diagnosis of stress fracture of the pubic ramus.

目的 探讨耻骨支应力性骨折的X线表现及其诊断价值。

In order to gather the information we need about y,according to the model,we regress x against y.

为了在模型中，从x中得到所需要的与y有关的信息，我们用y来回归x。

What is the significance of X?113. What are the facts about X? Reportage

这个其实和问题2有些类似，但是主要用于描述事件类的X，会有更清晰的思路。

Moreover, there exists a morphotropic phase boundary for the composition at x= 0.33 , and the rhombohedra phase and tetragonal phase coexists for the composi tion near MPB, but the pure rhombohedra phase and tetragonal phase separately exists for the composition away from MPB.

陶瓷样品X-射线衍射相组成和相结构分析表明：所有陶瓷样品均为纯钙钛矿相，无任何其他杂相出现；且组成在x=0.33处存在一准同型相界，在该相界附近三方相和四方相共存，而远离该相界则分别为纯三方相和四方相。

Rhys had acquired a defective gene on the X-chromosome-inherited from his mother.

里斯的 X 染色体是一个基因有缺陷（这个 X 染色体是从母亲那里继承的）。

Methods: In control group, the studied model was X-rayed with the central mark of scale penetrated vertically by the centerline of X-ray-tube and both ends of the scale included in the radiation field.

对照组：X线球管中心线对模型1标尺的中点标记进行垂直摄影，照射野包含标尺的两侧标记，摄影距离120cm，物－台距离3.5cm。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。