Better precision X ray tube, and wider analysis scope, long lifetime up to 10 years.
激发源X射线光管精度更高,范围更宽,使用寿命长达10年以上;
This article described the design, principle of the mini ion pump and its application in the pumping process of X ray tube manufacture.
介绍微型溅射离子泵的结构、工作原理及其在X射线管制造中的应用。
Existing scanners usually have but a single X-ray tube. This is rotated around the patient, taking pictures as it goes.
现存的放射机通常只有一个X射线管,围绕一周患者进行拍摄。
Rotating around you, the x-ray tube and electronic x-ray detectors are located opposite each other in a ring, called a gantry.
有个称为龙门的环状物在你周围旋转,环上有若干对X射线管和电子X射线探测器在两侧。
The phases of corrosion products on underground steel tube and their changes with depth of rust layer were analysed using Mossbauer effect, X - ray diffraction and proton X -ray fluorescence analysis.
使用穆斯堡尔效应、x射线衍射分析及质子x射线荧光分析法,分析了地下钢管腐蚀产物的相态及其随锈层深度的变化。
Objective To study the relationship between X - ray tube potential and patient dose, and to explore the way to reduce the dose.
目的研究摄影管压与受检者剂量的关系,探讨减少受检者剂量的方法。
Through appearance inspection, wall thickness measurement, EDS analysis and X-ray diffraction, the corrosion cause of the coal economizer tube is analysed.
通过外观检验、壁厚测量、扫描电镜、能谱和X射线衍射,对省煤器管腐蚀原因进行了分析。
A new real time automatic detection algorithm is taken up for applying to X-ray images of screw steel tube.
为了检测X射线探伤图像中螺旋钢管焊缝缺陷,提出了一种新的实时自动检测算法。
Objective:To obtain suitable digital radiologic exposure factors of CR and DR by measuring stability of their X-ray tube voltage and exposure time.
目的:通过测试数字成像设备的X线机管电压和曝光时间稳定性,探讨数字成像摄影条件的选择原则。
Conclusion operation and deep X-ray the irradiation is valid-treatment methods of child lymphoid tube lump.
结论手法切除加深部x-射线照射是小儿淋巴管瘤有效的治疗措施。
The remainder molecules in the vacuum tube will be ionized by X-ray irradiation, the ionization current can be detected at a constant DC voltage.
利用X射线对气体分子的电离作用,在一定电压下用一束X射线照射真空灭弧室,使灭弧室内产生电离电流。
CTDI was reduced and X-ray tube efficiency is improved.
它降低了X线剂量指数,提高了球管效率。
In this paper we discussed the means and skills of how to replace of the X-ray tube, and pointed out attention during the course of replacement of the tube.
本文主要论述了医用X线机X线管的更换方法及技巧以及X线管更换中应注意的问题。
Conclusion Radiation injuries may effectively decreased with reducing X-ray tube voltage and exposure level under the precondition of X-ray image quality to be guaranteed.
结论在保证X线图像质量前提下,降低X射线管电压和曝光量,可以有效地减少放射性损害。
Radiographic examination was performed with portable X-ray fault detector appling the special radiographic technique for fillet weld of heat exchange tube-tubeplate.
用普通便携式X射线机,采用特殊的透照技术,对换热管与管板角焊缝进行射线检测。
The tube assembly consists of an Unipolar X-Ray tube with cooled anode at ground potential and a high voltage receptacle socket.
管路安装由单级X射线管,地电位的冷却性阳极和高电压插座组成。
The X-ray backscattering from the inner electrodes and the tube wall of an X-ray image intensifier (XRII) will degrade the spatial resolution and the contrast of an output image.
影像增强器内电极和管壳对X射线的背向散射将降低增强器输出图像的空间分辨率和对比度。
The purpose is to improve the performance of flash X-ray tube produced at present time.
使目前生产的闪光X射线管性能得到进一步改进。
A novel X-ray imaging system was designed and its key device is X-ray image intensifier tube, which is a vacuum and non-vacuum mixed device.
本文设计了新型的X光成像系统,它的核心部件X光影像增强器是一个混合型器件。
The dependence of the intensity of grazing emission X-ray fluorescence on the anode voltage of X-ray tube has been investigated.
文章探讨掠发射X射线荧光强度与X射线管阳极高压的关系。
This avoids ion bombardment on an electron emitter (111) of the X-ray tube (100).
这避免了对X射线管(100)的电子发射器(111)的离子轰击。
When impinging onto the getter electrode (141) the ions (150) are permanently collected and thus removed from the interior of an evacuated envelope of the X-ray tube (100).
当撞击到吸气电极(141)上时,所述离子 (150)被永久地收集并因此从所述X射线管(100)的真空罩的内部去除。
Comparing this tube with chalni con made in Japan and used frequently in X-ray television camera, we consider that D7072 is very suitable for application in this camera.
并与目前国内医用X线电视摄象机中常用的日本进口硒化镉摄象管进行了对比讨论,从而确认了D7072氧化铅摄象管在X线电视中的应用地位。
The invention has strong radiation protection ability, safe use, convenient operation, long service life of the X-ray tube and high detection precision and greatly lowers production cost.
本发明使 用防辐射能力强,使用安全,操作方便,X光管使用寿命长,检测精度高,大大降低了生产成本。
The Modulation Transfer Function(MTF) of X-ray tube focal sPOt and its size are the main parameters, which can be used to describe the photo function of X-ray tube focal spots.
线管焦点的调制传递函数(MTF)和焦点尺寸是描述X线管焦点成像性能的主要参数。
Tube-current is the all-important parameter of the X-ray machine; it affects the reciprocity between the X-ray and the others material.
管电流是X射线机中非常重要的参数,它影响X射线与其它物质的相互作用。
It is described a filter (300) for at least partially compensating for an X-ray tube (10) the target Angle heel effect and preserving the tungsten spectrum of the X-rays.
本发明公开了过滤器(300),其用于至少部分补偿X射线管(10)的靶角度足跟效应并保持X射线的钨光谱。
This paper based on analyzing the X-Ray tube designs the switching power supply circuit, analyzes the principle of APFC, LCC half bridge resonance convertor and dual rectifier circuit.
本文在分析X射线管外特性的基础上,设计制作了开关电源功率主电路,分析了有源功率因数校正器原理、LCC半桥谐振变换器原理及倍压整流电路原理。
This paper based on analyzing the X-Ray tube designs the switching power supply circuit, analyzes the principle of APFC, LCC half bridge resonance convertor and dual rectifier circuit.
本文在分析X射线管外特性的基础上,设计制作了开关电源功率主电路,分析了有源功率因数校正器原理、LCC半桥谐振变换器原理及倍压整流电路原理。
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