岛津MCl25L-30型移动X线机3例故障维修

来源 :中国医学影像学杂志 | 被引量 : 0次 | 上传用户:vincechuang
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
1.1故障现象 设定kV、mAs值,按下充电按钮,机器充到预定值,按下手闸第一档,旋转阳极启动,按下曝光档X-RAY灯亮,机器曝光,有X线产生,但洗出胶片影像发淡。1.2故障分析用同样的IP板,在其他机器曝光后,洗出胶片正常,并排除了IP板和CR系统的故障,因此故障可能是由X线机引起。首先应考虑kV及mAs设定值与实际曝光值不符,X线曝光不足。关机打开控制台板,接通电源,设定kV及mAs值,按下充电开关,进行高压充电试验,发现高压发生器盖板上的2只氖灯,只有一只亮。
其他文献
[Sm(C7H5O3)2(C4H6NO2S)]·2H2O was synthesized from the reaction of samarium chloride hexahydrate with salicylic acid and thioproline,and characterized by IR
目的: 评价MRI术前诊断闭合性跟腱损伤的价值.材料和方法: 对18例闭合性跟腱损伤患者行MRI检查,分析其MRI表现并与手术结果对照.结果: 18例中16例行手术治疗,MRI显示10例为跟
The effects and the mechanisms of natural compounds ginkgolides on CFTR-mediate anion transport were investigated. The CFTR-mediate iodide influx rates were stu
乳腺炎为哺乳期的一种常见病,而非哺乳期乳腺炎由于症状不典型,容易被忽视或被误诊为其他疾病甚至肿瘤.本研究回顾性分析我院经手术病理证实的10例非产后期乳腺炎的钼靶X线表
文中介绍了一个基于TSMC0.18μmCMOS工艺,可应用于802.11a无线局域网标准的功率放大器设计。该电路采用三级全差分结构,驱动级采用电阻并联负反馈网络来保证稳定性。在3.3V电源电
[CoII(phen)3]2[{(ZnW12O40)CoII(phen)2(H2O)}2CoII(trien)2(NaH2O)2]·3H2O was synthesized via hydrothermal technique and characterized with elemental analyses
La0.7Sr0.3MnO3(LSMO) nanorods were synthesized by a method combining sol-gel with molten salts at 950 °C for 10 h, which employed KCl+NaCl(mass ratio 4:1)
<正>1 Introduction Ionic liquids(ILs) are attracting much attention in various fields of chemical synthesis, electrochemical applications, liquid-liquid extract
Stylopeptide 1 synthesized and isolated from different sources exhibits a large activity difference in inhibitory effect on the growth of a cancer cell.Based on
As an Hg-free lamp using phosphor, the Bi3+ and Eu3+ co-doped Y2O2S phosphors were prepared and their luminescence properties under vacuum ultraviolet(VUV) exci