球管

Result: prevent the tube from arching and prolong its span.

结果：解决了球管放电的故障，延长了球管寿命。

Experiments show that the method is easy to apply and can reconstruct both bremsstrahlung and characteristic spectra with only a few attenuation data.

实验表明，该方法可利用较少的衰减数据重建包含特征辐射的球管光谱，算法简单易行。

Such as burning glass electric rice cookers, electric heated glass cookers, electric Niunaibei glass, glass, electric heated rice bags, glass, such as electric ovens A diagnostic radiology, with the ray protective devices, including the limited-hole plate (4), limited-hole plate (1), servo motor, with the upper limit switch (3), limit switch (7), and so on, installed in the activities Bed-shading of the ball before relying on the upper and lower limit switch servo motor control circuits and chain control, automatic transform limited-hole plate position, perspective and point of excess-ray films blocked so that patients and doctors have been reliable protection .

诸如玻璃电热烧锅、玻璃电热暖锅，玻璃电热牛奶杯、玻璃电热恒温电饭包、玻璃电热烤炉等一种放射线诊断时用的射线防护装置，包括方孔限光板（4）、圆孔限光板（1）、伺服电机、上限位开关（3）、下限位开关（7）等，装设在活动床球管遮光器前，依靠伺服电机上下限位开关及控制电路进行连锁控制，自动变换圆孔限光板的位置，将透视和点片时的多余射线遮挡住，使患者和医生都得到可靠的防护。

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。

X-ray tube spectrum model;spectrum reconstruction;attenuation data

X射线球管光谱模型；光谱重建；衰减数据

A physical meaningful seven-parameter X-ray tube spectrum model is firstly established. Then model parameters are calculated from attenuation data so that X-ray tube spectra can be reconstructed.

该方法首先建立一个具有物理意义的7参数球管光谱模型，再通过测量的光谱衰减数据求解模型参数，进而重建光谱。

Knowledge of tungsten anode X-ray tube spectra is essential for X-ray dose control, X-ray image quality evaluation and dual-energy X-ray imaging etc. A model-based tungsten anode X-ray tube spectrum reconstruction method is presented in this paper.

X射线球管光谱信息是进行X射线曝光剂量控制、X射线成像质量评估、X射线双能量成像等必不可少的，为此本文提出一种基于模型的钨靶X射线球管光谱重建方法。

A bulb thermometer, or a non-imbedded thermocouple or resistance temperature detector applied to the points accessible to the usual bulb thermometer.

将球管温度计，或未置热电偶或电阻器的温度设施，放在合适的位置。

I confirm that no changes have been made to the irradiating apparatus/x-ray tube under my possession.

兹证明本人并未有对管有的照仪器/X 射线球管作出任何改动。

Its main products include: medical X ray tubes, image intensifier tubes and rotating anode X ray tubes etc., which are all in conformity with the national standards and registered with the "Yuan Xing" trade mark.

主要产品有：医用X射线管、影像增强管、下球管等，均执行国家技术标准，以&元星牌&为注册商标。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。