查询词典 x-rays

Both TEM photograph and X-ray diffraction indicate that its size is of the ordedr 70〓.

用加热固态Cd〓方法，制备了凝聚相CdSe粒子，X-射线衍射表明它是立方晶体。X-射线衍射计算和TEM分析都说明它们的大小为7nm。

on the one hand the cr x-ray photograph bedside on the other hand the traditional x-ray photograph bedside, was improving the image quality, the photograph success ratio with and reduces patient and medical care personnel's aspect and so on radiation dose has made the signify cant contribution.

cr床边照片较传统床边x线照片相比，在提高影像质量、照片成功率与及降低病人和医护人员的辐射剂量等方面作出了重大贡献。

Methods A study of several eases of pelvic injury was done, in which biomechanics and classification of pelvic injury were analyzed, moreover imaging methods were compared with each other, such as fluoroscopy, X-ray photography, computerized tomography and so on.

研究数例法医学鉴定中骨盆损伤的案例，结合骨盆环的生物力学和骨盆损伤分型，并对X线透视、X线摄片检查、CT等检查方法进行比较。

The composition,structure and optical band gap of the films were characterized by energy dispersive spectrometer and X-ray diffraction.

通过X射线能谱、X射线衍射仪的测定，对薄膜进行了结构及所包含硅晶粒大小的表征。

Scanning electron microscopy , X-ray energy dispersive spectrometer, X-ray photoelectron spectroscopy and infrared spectroscopy were used to investigate the structure and composition of the coating.

通过扫描电镜、能谱仪、X射线光电子能谱、红外光谱分析膜层的结构、微观形貌和化学成分。

A new method unfolding soft X-ray spectra for a soft X-ray spectrometer,which is based on maximum entropy principle,is put forward.

提出软X光能谱仪的一种新的解谱方法即最大熵法，运用新的平滑方法即样条拟合方法处理滤片的边带结构，并对最大熵法的收敛性和稳定性进行了分析。

The polarization spectrometer could measure X-ray lines radiated by plasma in the directions of vertical and horizontal.

为了研究等离子体各向异性及确定高温等离子体中电子束的存在，研制了X射线极化晶体谱仪，探讨了极化光谱学的理论，推演了X射线极化度的计算方法。

The CeO2 thin films were characterized by X-ray photoelectron spectroscopy and spectrometer, X-ray diffraction, Raman spectroscopy and scanning electron microscopy.

采用光电子能谱、X射线衍射、拉曼光谱和扫描电镜等测试方法表征薄膜的特性。

Reduction of the X-ray tube voltage instead of increase of the exposure level would improve the DSA system performance.

结论对DSA系统而言，降低X射线机管电压要比增大X射线机输出强度更能有效改善其低对比度血管的检测能力。

So it is quite important for the XRFA system with X-ray tube excited resource that HV power supply has high reliability, good stability and automatic regulation.

效率高、稳定性好、调节控制自动化的高压电源在以X光管作为激发源的X荧光分析系统中起着十分重要的作用。

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。