查询词典 X ray

Fumed-silica surfaces were modified with resorcinol and hexamethylenetetramine complex, and NR/M-silica nanocomposites were prepared in mixing and curing process. Structure and properties of NR/M-silica nanocomposites were investigated by mechanical testing ,cross-linking density determination, transmission electron microscopy, differential scanning calorimetry, fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The results showed that M-silica have obvious reinforcement effect on NR vulcanizate.

用间苯二酚与六亚甲基四胺络合物对气相法白炭黑进行表面改性，通过混炼和硫化制备了天然橡胶/改性气相法白炭黑（NR/M-silica）纳米复合材料，并通过力学性能测试、交联密度测定、透射电镜、差示扫描量热法、红外光谱和X射线光电子能谱等手段研究了纳米复合材料的结构和性能。

A high beam energy is also used to stimulate x-ray emission of higher-energy peaks.

高能量电子束也能用来激发高能量x射线峰的发射。

Four, 8, and 12 weeks after operation, all specimens were examined by X-ray and histological methods.

分别于术后4、8、12周采用X线和组织学方法检测缺损部位的成骨情况。

The X-ray technology there allowed scientists to examine metal samples that were, in Dr Hodson's words,"around 1,000 times smaller than a grain of salt".

那里的 X 射线技术使科学家们能够检测金属采样，拿霍德森博士的话说就是：能够检测比一粒盐还要小1000倍的金属采样。

Flash X-ray radiography is one of important methods for hydro testing in laboratory.

闪光X射线照相是进行实验室流体动力学试验的重要手段。

Objective Using X-ray cephelometrics,we analyzed the effect of the setback and the advancement of the jaw bone on the position of the hyoid bone and the hypopharyngeal airway,so that we could purpose some suggestions for the clinical treatment.

目的 通过X线头影测量分析了解颌骨后退与前徙对舌骨位置及咽下气道变化的影响情况，为临床治疗提供参数。

Methods Clinical data, including clinical manifestations, X-ray films, MRI and treatment outcomes, 121 patients with hyperextension injury were retrospectively analyzed.

回顾分析121例颈椎过伸性损伤患者的病史、临床表现、X线片、MRI等临床资料和随访结果，总结手术和保守治疗效果。

Result: Different projection positions of X-ray can evaluate different thoracic small joints. Image diagnosis were space changes, the deflection of the spinous process of vertebral and hyperostosis osteosclerosis. soft tissue lesions near thoracic spinal facet almost was not evaluated. CT plain scan can evaluate every changes of thoracic spinal facet. Image diagnosis were articular process hypertrophy, osteophyte formation, articular surface hyperostosis osteosclerosis, space changes, joint capsule and ligament calcification.

结果：X线平片不同投照体位可以评价不同胸椎小关节，表现为间隙改变、椎棘突偏斜及增生硬化，对胸椎小关节软组织病变基本无法评价；CT平扫对各胸椎小关节改变均可评价，表现为关节突肥大，骨赘样增生，关节面硬化，关节间隙改变，关节囊及韧带钙化。

Thus,in routine tests,it is reasonable and practical to use specific visible light instead of the X-ray beam as the illuminant for sensitometry.

因此 ，在日常的检测工作中，采用特定的可见光代替X射线作为感光测定时曝光的施照光，是实际而合理的方法。

Thus,in routine tests,it is reasonable and practical to use specific visible light instead of the X-ray beam as the illuminant for se nsitometry.

因此，在日常的检测工作中，采用特定的可见光代替X射线作为感光测定时曝光的施照光，是实际而合理的方法。

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。