查询词典 alpha ray

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。

Results Among 152 cases,149 (17 kidney; 11 ureter, 121 bladder) cases was with typical X-ray finding, and 3 cases blank at the X-ray photography.

结果 在152例中，149例（肾结石17例；输尿管结石11例；膀胱结石121例）具有典型的X线表现，其中3例为阴性结石X线片上未见显示。

Severe acute respiratory syndrome ; tomography ; X-ray computer ; X-ray photography ; TTM ; diagnosis

严重急性呼吸综合症；体层摄影术； X线计算机； X线摄影术；热断层；诊断

Up to now, the diagnosis of cancers depends mainly on in vitro detection procedures and such imaging techniques as ultrasonic imaging, X-ray photography, X-ray computed tomography, nuclear magnetic resonance imaging and positron emission tomography, etc..

癌症的诊断迄今所依赖的主要是一些离体检测方法以及超声波、X射线透视、X射线CT、核磁共振成像和PET等影像学技术。

The spectral resolution, spatial resolution of monochromatic X-ray images of a spectrograph based on convex crystal were discussed by ray tracing calculations taking into consideration the effect of rocking curve of the crystal.

考虑晶体摇摆曲线的影响，用光线追迹方法讨论了凸晶摄谱仪的能谱分辨率、单色图像径向空间分辨本领以及晶体与X射线源之间的距离对它们的影响。

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 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。

In order to control the quality of X-ray diagnostic machine, non-intrusive X-ray tube voltage measurement system was designed according to the theory of radiation dosage testing.

为了实现X射线诊断机的质量控制，根据辐射剂量测量的原理，设计了非介入式X射线管电压测量系统。

DR system consists of x-ray detector, high-frequency high-pressure anti-sheng, x-ray tube composed of three main components.

DR 系统由 x 线探测器、高频高压反生器、 x 线球管三个主要部件组成。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。