查询词典 X ray

The development of modern computer imaging process makes it possible to solve this problem, and the development of digital X ray radiography technique put s forward an urgent demand for computerized automatic measurement and analysis system of cephalometry.

现代计算机图像处理科学的发展，使得这一问题的解决成为可能，而数字化X线摄影技术的发展，对开发全自动计算机头影测量分析系统提出了迫切的要求。

Key words: skeletal class III malocclusion; X-ray cephalometry; hard and soft tissue

关键词］骨性III类错牙合； X线头影测量；软硬组织

It is found by X-ray diffraction that the solution of Sm2O3 and Gd2O3 in ceria for the samples sintered in the range of 1 400─1 550 ℃ is better, but for the sample sintered at 1600 ℃, a new phase is formed with the reduction of lattice constants.

X射线衍射分析发现：对1 4001 550 ℃烧结的样品，Sm2O3和Gd2O3固溶较好﹔但对1 600 ℃烧结的样品，有新相生成，同时晶格常数减小。

Glass-ceramics of CaO-Al2O3-SiO2 system doped with ceria were prepared by sintering method and were characterized by differential thermal analysis, X-ray diffractometry, scanning electron microscopy and property measurements.

采用烧结法制备添加氧化铈的CaO-Al2O3-SiO2系微晶玻璃材料，并对其进行差热分析、X射线衍射分析、扫描电镜观察和性能测试。

According to the quasistatic model, the relationship is established between electron residual energy and driven laser polarization, intensity, wavelength, pulse and media ionization potential, residual charges. The electron residual energy change with the driven laser parameters and the media characteristical parameters is calculated. According to the calculated results, adequate driven laser parameters will be favor of the realization of OFI X-ray laser amplification.

作者根据准静态模型，建立了电子剩余能随驱动激光偏振度、激光强度、波长、脉宽以及介质电离能、剩余电荷数关系式，定量计算了电子剩余能随驱动激光参数以及介质本身一些性能参数变化关系，根据计算结果提出采用适合的驱动激光参数可能更有利于实现光场感应电离的X射线激光放大。

It can be used to characterize the structure of materials based on the interaction between X-ray and materials.

被材料散射的X射线携带着材料的结构信息，可以用来分析材料的结构特征。

At present, the inspection select two methods after the beer fill: Automatic Checkweigher, X Ray liquid level detector.

目前啤酒灌装后的检测采用二种方式：自动称重检测，X射线液面检测。

Chemical compositions and bond structures were investigated by Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy.

通过傅立叶变化红外光谱分析和X射线光电子能谱分析对薄膜的化学结构和成键情况进行了研究。

After reviewing the incident,team members note that the chest x-ray taken at the conclusion of the first procedure was of poor quality.

在回顾了事件发生后，小组成员注意到，胸部X光采取了缔结的第一个程序是穷人quality。

Sleep is restless and spiritual dispirited in 2 cases (3.6%), the chest X-ray normal position piece examination lungs tuberculosis pathological change in 52 cases (92.9%), the normal position piece examination does not have the obvious tuberculosis pathological change, but to lean the posit

睡眠不安、精神不振2例（占3.6%）胸部X线正位片检查肺部结核病变52例（占92.9%），正位片检查无明显结核病变而侧位片及胸部CT显示肺内及肺门淋巴结结核病变4例（占7.1%），结核菌素试验强阳性27例（占48.2%），痰查结核菌阳性3例（占5.4%），淋巴结活检 5例（占8.9%）。26例治疗9个月后病变完全吸收，29例6个月后病变完全吸收， 1例因药物肝炎不能顺利完成治疗。

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。