1)  DSCT
双螺旋CT
1.
Objective:To Evaluated clinical sense and the quality on Multiplanar Coronal Reconstruction of Paranasal Sinuses with DSCT,to find appropriate parameter on scan and reconstruction.
目的:分析副鼻窦双螺旋CT(DSCT)扫描的MPR图像质量,找到合适的扫描参数及重建参数,并探讨其临床意义。
2)  twin-screw
双螺杆
1.
Characteristics and applications of twin-screw extruder;
双螺杆挤压设备的特征及应用
2.
5 twin-screw extruder was used in the experiments,and the effects of temperature,humidity,rotate speed of screw and feeding speed on the mould pressure were studied.
5双螺杆挤压机优化亚麻籽挤压膨化工艺。
3.
5 twin-screw extruder was used in the experiments.
5双螺杆挤压机优化亚麻籽脱毒工艺。
3)  double screw pump
双螺杆泵
1.
Energy conservation technology reformation of double screw pump substituting centrifugal pump;
油田双螺杆泵代替离心泵的节能技术改造
2.
Research on new-type double screw pumps and its application;
新型双螺杆泵研制与应用
3.
According to the serious rubber latex break and block in the imported centrifugal pumps, the new-type double screw pump is developed.
针对原进口胶乳输送离心泵存在严重的破乳堵挂现象研制开发了一种新型双螺杆泵。
4)  twin screw
双螺杆
1.
A new advance of the study of twin screw pulper——The development and application of SLG pulper;
双螺杆制浆机磨浆研究的新进展——SLG制浆机的开发与应用
2.
Study on application of ANSYS for theoretical analysis in food twin screw extruder;
ANSYS在食品双螺杆挤出机理论分析中的应用
3.
Computer-aided design of the screw system of twin screw refiner;
双螺杆磨浆机螺杆系统的计算机辅助设计
5)  double helical chain
双螺旋链
6)  double-screw pump
双螺杆泵
1.
Widespread circumstance that aim at the double-screw pump profile currently,a kind of arc shape that avoid the point contact was provide.
针对现有双螺杆泵型线普遍情况,提出了一种圆弧修正的型线,避免了点接触,从根本上解决影响双螺杆泵寿命的型线结构问题。
参考词条
补充资料:螺旋CT


螺旋CT


影像诊断学术语。螺旋CT是在常规CT基础上发展起来的90年代最新CT扫描技术。扫描时检查床与病人等速通过CT机架,同时X线球管连续旋转曝光,在一个螺旋形空间内连续采集扫描数据,亦称为体积CT扫描。螺旋CT连续扫描不间断获取数据具有许多优点:扫描时间短暂,能在一次屏气状态下完成整个扫描过程,可避免小病变因呼吸性位置而遗漏;增强扫描中可更准确获取靶组织动脉期图像信息并可减少造影剂用量;可任选观察面(横断、冠状、矢状或斜位)成像,并可获得高质量的三维重建图像。螺旋CT的不足之处是:mAs的增加受到X线管热容量和探测器技术的限制;可产生螺旋伪影和血流伪影。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。