使用直流电是产生静电磁场的另一个原因，例如铁路系统使用直流电，电视和计算机屏幕带有阴极放射管。
The use of DC electricity is another source of static electric fields, e.g. rail systems using DC, and televisions and computer screens with cathode ray tubes.
高压管是放射材料的第三道防护。
The pressure vessel is the third barrier to radioactive material release.
目前现有的一种放射性显示屏是基于有机的发光二极管。
One type of emissive display that already exists is based on organic light-emitting diodes (OLEDs).
目的评价直肠癌病人术前淋巴管造影和放射性核素淋巴显像的临床价值。
Objective The aim of this paper is to study the value of preoperative lymphography and radionuclide imaging for rectal cancer patients.
目的：探讨胰管结石的X线特征和放射学诊断。
Objective: to research the X-ray characters and radiological diagnosis of pancreatic duct stones.
目的：探讨胎儿脑发育过程中出现的放射状胶质细胞、伸展细胞和普通室管膜细胞之间的关系。
Objective: To explore the relationship of radial glial cells, tanycytes and common ependymal cells appearing in human fetal brain.
改进放射治疗设野技术，使用有效药物，采取鼓膜置管和鼓膜切开等方法对防治分泌性中耳炎的发生有一定用处，但其耳瘘发生率很高。
Improvement of radiotherapy technique, effective drug, ventilation tube insertion and myringotomy may be helpful in prevention of secretory otitis. But the incidence of otorrhea is very high.
目的：探讨术中置管术后分次放射治疗晚期或复发性妇科恶性肿瘤的疗效及可行性。
Objective: to investigate the therapeutic effect of intraoperative catheterization and postoperative fractional radiotherapy on advanced or recurrent gynecological malignancy.
局部皮肤血循环差（大剂量放射治疗后，反复多次手术局部瘢痕重） ，伤口感染软骨坏死排出，T形管损伤黏膜形成新的瘢痕狭窄和瘢痕体质。
The factors of failure were disturbance of local blood circulation, wound infection followed rib necrosis, T-tube injured mucomembrane then became a new stenosis, and restenosis for scar constitution.
一个光电倍增管，用来探测从镭放射源中随机发射的光子；
A photomultiplier tube, to detect the random photons thatemanate from the radium source.
目的探讨并确立伴生放射性矿物辐射卫生审管限值。
Objective to study and establish the regulatory Limits of radiological protection for minerals associated with radionuclides.
屋顶结构管桁架相贯连接，呈双向弧形放射状排布。
The structure pipe trusses on the roof are linked together, showing a two-way curved radial arrangement.
为在秦山三期CANDU-6型重水堆上生产放射性钴源，将秦山三期CANDU-6型重水堆排管容器内的21根不锈钢调节棒改为钴调节棒。
In order to produce cobalt rodlet in CANDU-6 reactor core of TQNPC, the 21 stainless steel control rods in reactor vessel were changed to cobalt control rods.
设置在上述板面上的龙骨呈从管头向外边的放射状。
The keel arranged on the board is in a radiation shape from the tube head to the outside;
设置在上述板面上的龙骨呈从管头向外边的放射状。
The keel arranged on the board is in a radiation shape from the tube head to the outside;
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